Fleetguard Air Filter AF25627 Equivalent to SA 16240 P608885 P812559 RS4638 1421340 For Komatsu Equipment.Scania Trucks.

AF25627 Primary Air Filter Used With AF25468

HIGH-EFFICIENCY REPLACEMENT FILTER Replacement for Fleetguard AF25550 Air Filter Engineered as a precise, direct replacement for the Fleetguard AF25550 primary air filter, this product guarantees uncompromised protection and performance for your heavy-duty engines. Manufactured by CHINA EVERLASTING PARTS, a professional filter specialist, it meets or exceeds OEM specifications, ensuring optimal airflow and superior contaminant removal to extend engine life and reduce operational costs. Why Choose Our Replacement AF25550 Air Filter? F (Feature): Crafted from high-grade, pleated synthetic media with reinforced rubber end caps and a sturdy metal center tube. Designed with exact dimensions (Overall Length: 186.19 mm) for a perfect fit. A (Advantage): Provides exceptional dust-holding capacity and filtration efficiency, maintaining optimal air-to-fuel ratio. The robust construction prevents collapse under high intake pressure, ensuring consistent performance. B (Benefit): Protects your valuable engine from abrasive particles, reducing wear on critical components like pistons and cylinders. This leads to lower engine maintenance costs, fewer downtimes, and extended engine service intervals, maximizing your ROI. E (Evidence): Rigorously tested in our labs to meet ISO standards. It directly cross-references with major brands like Caterpillar, Cummins, Donaldson, and John Deere (see full list below), proving its compatibility and reliability for a seamless Air Filter Change. Product Specifications & Pricing Parameter Detail Part Number AF25550 (Used With AF25967) Part Type Air Filter Primary Brand Fleetguard Replacement Overall Length 186.19 mm (7.33 inch) Largest OD 88.8 mm (3.496 inch) Largest ID 47.5 mm (1.87 inch) MOQ 20 pcs Service OEM & ODM Welcome Air Filter Price (Bulk) Highly Competitive. Contact for Quote! Looking for a Custom Air Filter? Our ODM service can tailor solutions to your exact needs. Extensive Fleetguard Air Filter Cross Reference Our AF25550 is a universal fit, interchangeable with numerous OEM part numbers, making it the ideal single-source solution for your inventory. This extensive cross-reference simplifies procurement and reduces Air Filter Replacement Cost. Compatible Part Numbers Include:  Alaska Diesel 2427301 Baldwin RS3715 Bobcat 198503901S IR54477187 6673752 Bomag 5741244 Caterpillar A000015986 1555410 1394834 Cummins 1403071 Donaldson P822686 Doosan 97400026 47400026 Fiat Hitachi 72274045 Fiat Kobelco 72276221 Freightliner DNP822686 Hengst E1505L Hifi SA 16263 Hitachi 4607538 L4383875 E4607538 Hyundai XJAF01587 12MJ21140 Ingersoll-Rand 54477187 36890135 JCB 32919900 32913902 32919902 John Deere EPC047374 AM140685 AM146078 AM145874 AM129559 AM136923 AM138732 AM140944 AM121644 M113621 Komatsu YM11965512560 1G65911220 11965512560 Kubota 1G65911221 RG15842931 K258182311 RG15842930 1G65911220 K121182321 K121182320 7200001074 1G65911222 1865911221 1665911221 Kobelco PA11P00002S002 PM11P00006S002 Luberfiner LAF8388 Mann C946/2 Massey Ferguson 6191362H1 6191362M1 Mitsubishi 30L3003400 New Holland 72276221 73185194 72276220 48145946 Orenstein & Koppel 2907630 Perkins 80109049 26510364 Sakura A-8504 Sdmo 330560580 Sany 60023849 Volvo 6050126 16631866 PJ6050126 43919166 VOE16631866 VOE6050126 VOE43919166 Wix 46449 Yanmar YM11965512560 11951512520 Contact us with your OEM number to confirm compatibility instantly. Trusted by B2B Partners Worldwide ★★★★★ "The quality matches genuine Fleetguard filters. Our workshop uses them for all common service jobs. Reliable performance and great bulk pricing." - Alex J.,Equipment Service Center, USA ★★★★★ "As a filter wholesaler, consistency is key. Everlasting Parts' AF25550 has zero fitment issues. Their cross-reference list is a huge time-saver for our team." - Maria L.,Wholesale Distributor, Germany ★★★★★ "We ordered a custom ODM batch with our logo. The process was smooth, and the final product quality was excellent. A trustworthy OEM Engine Air Filter supplier." - David K.,Retail Chain Owner, Australia Frequently Asked Questions (FAQ) Q1: Is this a direct fit for Fleetguard AF25550?A: Yes. It is engineered as a 1:1 replacement with identical dimensions and performance specifications. Q2: What is the lead time for an order of 100pcs?A: For standard AF25550, lead time is typically 15-20 days. We offer flexible logistics options for bulk B2B orders. Q3: Can you provide filters with our private label and packaging?A: Absolutely! We specialize in OEM & ODM services. Custom branding, packaging, and even slight design modifications are available upon request. Q4: How do I get a quote and what's the MOQ?A: MOQ is 20 pieces. Please contact us via the information below with your quantity and destination port for a competitive wholesale quote. Ready to Optimize Your Filter Supply Chain? Contact CHINA EVERLASTING PARTS CO., LIMITED – Your Professional High-Quality Filters Manufacturer. Get a competitive Air Filter Price for your business today. WhatsApp/WeChat: +86 18965520297 Email: Sales@parts-machining.com Main Products: Air Filter, Oil Filter, Fuel Filter, Hydraulic Filter, Fuel Water Separator, Filters Assembly.

  Home > Diesel Engine Parts > Pressure Relief Valves > 3963808 Part #3963808 — Pressure Relief Valve CUMMINS PRESSURE RELIEF VALVE 3963808 — OEM REPLACEMENT The Cummins Engine Pressure Relief Valve 3963808 is a precision-engineered replacement component designed for ISC, ISL, QSC, and QSL diesel engine platforms. Manufactured by CHINA EVERLASTING PARTS CO., LIMITED, a professional high-quality engine parts and filters manufacturer, this valve delivers OEM-equivalent performance at a competitive Pressure Relief Valve Price point. Our facility specializes in air filters, oil filters, hydraulic filters, fuel water separators, and precision diesel engine components — with full OEM & ODM service capability. ✅ Cross Reference: This valve matches Cummins Pressure Relief Valve Cross Reference part number 3963808 and is fully interchangeable with OEM specifications for seamless installation. Product Features — Cummins Pressure Relief Valve 3963808 The Cummins Engine Pressure Relief Valve 3963808 is constructed using high-grade alloy steel and precision-machined internal components to ensure consistent pressure regulation under the most demanding diesel engine operating conditions. This replacement valve is engineered to match the exact dimensional tolerances and flow characteristics of the original Cummins part, providing a direct bolt-on installation without modification. Part Number: 3963808 Brand: Cummins Replacement (Aftermarket OEM Quality) Material: High-strength alloy steel body with hardened internal spring mechanism Operating Pressure Rating: Calibrated to OEM factory specifications Finish: Anti-corrosion zinc-nickel coating for extended service life Precision Fit: CNC-machined threads and sealing surfaces for leak-free installation Quality Control: 100% pressure-tested before shipment to ensure consistent performance Packaging: Individually sealed in anti-static protective packaging with holographic authenticity label Product Advantages — Why Choose Our OEM Pressure Relief Valve Compared to purchasing directly from authorized Cummins dealerships, our OEM Pressure Relief Valve offers a significant cost advantage without compromising quality. The Pressure Relief Valve Replacement Cost is typically 40–60% lower than genuine dealer pricing, making it an ideal choice for fleet operators, independent repair shops, and wholesale parts distributors looking to maximize their margins while providing reliable components to their customers. Competitive Factory-Direct Price: Eliminate middleman markups with our manufacturer-direct pricing model. Compare our Pressure Relief Valve Price with dealer quotes and save immediately. OEM & ODM Customization: We offer custom branding, private labeling, and design modifications to meet your specific market requirements. Your logo, your box, your specifications. Low Minimum Order Quantity (MOQ): Start with just 10 pieces to test the market. Ideal for retailers, distributors, and service shops building their inventory. 12-Month Warranty: Every valve is backed by a comprehensive 12-month warranty against manufacturing defects, giving you and your customers peace of mind. Fast Global Shipping: With established logistics partnerships, we deliver to North America, Europe, Southeast Asia, and beyond within 7–15 business days. Dedicated B2B Support: A dedicated account manager is assigned to every wholesale, distributor, and OEM client for streamlined communication and order processing. Customer Benefits — What This Means For Your Business When you source the Cummins Pressure Relief Valve 3963808 from China Everlasting Parts, you are not just purchasing a component — you are building a supply chain advantage that impacts your bottom line. Here is how our clients benefit: Lower Total Cost of Ownership Reduce your Pressure Relief Valve Replacement Cost by up to 50% while maintaining OEM-grade quality, directly improving your service margins and competitiveness. Reduced Engine Downtime A properly functioning Pressure Relief Valve prevents over-pressurization damage. Our valves ensure your customers' equipment stays operational longer. Flexible Scaling & Customization From 10-piece trial orders to full container loads with custom branding, our OEM Pressure Relief Valve program grows with your business. Product Specifications — Cummins Pressure Relief Valve 3963808 Parameter Specification Part Number 3963808 Part Type Pressure Relief Valve Brand Cummins Replacement (Aftermarket OEM Grade) Application Cummins ISC, ISL, QSC, QSL Diesel Engines Minimum Order Quantity (MOQ) 10 Pieces Material High-Strength Alloy Steel, Zinc-Nickel Coated Pressure Calibration OEM Factory Specification (Certified Test Report Available) Service OEM & ODM — Custom Branding, Private Label, Design Modifications Warranty 12 Months Against Manufacturing Defects Net Weight (per unit) Approx. 0.35 kg (0.77 lbs) Packaging Individual Anti-Static Sealed Bag + Protective Box (Custom Packaging Available) Lead Time 3–5 Business Days (Stock Orders) / 15–25 Business Days (Custom OEM Orders) Verified Customer Reviews — What Our B2B Clients Say ★ ★ ★ ★ ★ "We ordered 200 units of the 3963808 valve for our fleet maintenance program. The Cummins Pressure Relief Valve Cross Reference was spot-on — direct bolt-in, zero leaks, and our techs couldn't tell the difference from dealer parts. The Pressure Relief Valve Price saved us over $4,200 compared to our previous supplier. This is now our go-to source." — Michael T., Procurement Manager Diesel Parts Wholesale Co., Texas, USA ★ ★ ★ ★ ★ "As an independent repair shop, we rely on quality aftermarket parts to stay competitive. The Cummins Engine Pressure Relief Valve from China Everlasting Parts has exceeded our expectations. We've installed over 80 units without a single warranty claim. The OEM & ODM option also lets us offer our own branded line to customers." — Sandra R., Owner Heavy Equipment Maintenance LLC, Ohio, USA ★ ★ ★ ★ ★ "We service a mixed fleet of ISC and ISL engines across three states. The 3963808 valve has become our standard replacement part. The team at China Everlasting Parts provided detailed Pressure Relief Valve Change instructions and always ships within 48 hours. Their WhatsApp support is incredibly responsive — even late at night our time." — David L., Operations Director Fleet Truck Service Center, California, USA Pressure Relief Valve Change — Installation Guidance for Professionals Performing a Pressure Relief Valve Change on Cummins ISC, ISL, QSC, or QSL engines requires attention to torque specifications and proper sealing techniques. The 3963808 valve is designed for a straightforward swap-out process that experienced diesel technicians can complete in approximately 30–45 minutes. Here are the key steps we recommend: Ensure the engine is fully cooled and the system is depressurized before beginning any service work. Locate the pressure relief valve housing on the engine block — typically near the oil filter assembly or high-pressure fuel rail. Clean the surrounding area thoroughly to prevent debris from entering the system during valve removal. Remove the old valve using a properly sized socket. Inspect the mating surface for wear, gouges, or corrosion. Install the new Cummins Engine Pressure Relief Valve 3963808 with a new copper or composite sealing washer as applicable. Torque to OEM specifications (contact our support team for detailed torque charts for your specific engine model). Start the engine and verify proper oil/fuel pressure readings. Check for any leaks around the valve seat area. Note: Always consult the engine manufacturer's service manual for model-specific procedures. China Everlasting Parts provides free technical documentation and video support for all wholesale and distributor clients. Frequently Asked Questions (FAQ) 1. What is the minimum order quantity for the Cummins Pressure Relief Valve 3963808? The MOQ is 10 pieces. This low threshold allows retailers, repair shops, and small distributors to test the product quality in their local market before committing to larger volume orders. For custom OEM/ODM orders, the MOQ may vary based on branding and packaging requirements. 2. Is the 3963808 valve a genuine Cummins part or aftermarket? This is a high-quality aftermarket replacement manufactured by China Everlasting Parts Co., Limited. It is engineered to meet or exceed OEM performance specifications and is fully interchangeable with the genuine Cummins part number 3963808. We are not affiliated with or endorsed by Cummins Inc. — the term "Cummins" is used solely for compatibility reference purposes. 3. What is the typical Pressure Relief Valve Replacement Cost comparison? Genuine dealer pricing for this part typically ranges from $85–$140 USD per unit. Our factory-direct Pressure Relief Valve Price for bulk orders is significantly lower — often 40–60% less — depending on order volume and customization requirements. Contact our sales team for a detailed quotation based on your specific quantity. 4. Do you provide OEM/ODM services for this product? Yes, absolutely. As a professional manufacturer, we offer full OEM Pressure Relief Valve services including custom branding (laser engraving of your logo), private label packaging, custom color finishes, and design modifications to meet specific performance requirements. Our engineering team works closely with clients to develop custom solutions tailored to their market. 5. Which Cummins engines are compatible with this pressure relief valve? The 3963808 valve is specifically designed for Cummins ISC, ISL, QSC, and QSL diesel engine platforms. These engines are commonly found in medium-duty trucks, buses, construction equipment, marine vessels, and industrial power generation units. If you need a Cummins Pressure Relief Valve Cross Reference check for a different engine model, contact our technical support team. 6. How long does shipping take for international orders? Standard international shipping via air freight typically takes 7–12 business days to major markets in North America, Europe, and Southeast Asia. Express shipping options (DHL, FedEx, UPS) are available for 3–5 business day delivery. Sea freight is recommended for large volume orders to reduce shipping costs — transit time is approximately 25–35 days depending on destination port. Get a Quote — Contact Our B2B Sales Team Ready to place an order or request a sample of the Cummins Pressure Relief Valve 3963808? Our B2B sales representatives are available 7 days a week to answer your questions and prepare a detailed quotation. WhatsApp: +86 18965520297 WeChat: +86 18965520297 Email: Sales@parts-machining.com Company: CHINA EVERLASTING PARTS CO., LIMITED — Professional High Quality Filters ManufacturerAir Filter | Air Cleaner Filter | Air Dryer | Ventilation Filter | Breather Filter | Oil Filter | Fuel Filter | Hydraulic Filter | Fuel Water Separator | Air Oil Separator | Filters Assembly | Diesel Engine Parts © 2025 China Everlasting Parts Co., Limited. All rights reserved. | OEM & ODM Manufacturer of High-Quality Filters & Diesel Engine Components Product images are for reference only. Specifications are subject to change without prior notice. Please confirm details with our sales team before ordering.

  CHINA EVERLASTING PARTS CO., LIMITED Professional High Quality Filters Manufacturer — Air Filter, Oil Filter, Fuel Filter, Hydraulic Filter, Fuel Water Separator, Air Oil Separator & Filter Assembly. Cummins Injector Fuel Supply Connector 2872395 Replacement Quick Specifications Part Number: 2872395 Part Type: Fuel Connector Injector Brand: Cummins Replacement Application: Cummins LPW2, LPW3, LPW4 Cross Reference: Cummins 4088578, 4903290 MOQ: 10 pcs Service: OEM & ODM Need wholesale pricing? Request a Cummins Injector Price quote for bulk stock. Product Features The Cummins Fuel Connector Injector 2872395 Replacement is manufactured as a direct-fit, OEM-grade replacement for the fuel supply connector used on selected Cummins Engine Injector systems. It replaces Cummins part numbers 2872395, 4088578, and 4903290 and fits LPW2, LPW3, and LPW4 engines. This connector is designed to maintain stable fuel delivery and consistent pressure at the injector inlet. Precision-machined fuel supply path for consistent fuel metering. Durable, fuel-resistant construction with corrosion protection. Dimensionally checked for direct fitment on Cummins LPW2, LPW3, and LPW4 applications. Leakage-tested to reduce fuel system comebacks and service downtime. Consolidates multiple Cummins part numbers into one reliable SKU. Advantages for B2B Buyers OEM Injector Quality Without the OEM Markup This OEM Injector alternative is produced for professional parts distributors, after-sales service providers, and fleet supply channels. It gives your customers a dependable replacement option while helping you maintain stronger gross margins. Reduced Risk of Fuel System Comebacks A dimensionally accurate fuel connector helps prevent misdiagnosed injector faults. For workshops, this reduces total Injector Replacement Cost by avoiding unnecessary injector replacements caused by a faulty fuel supply connector. Simplified Inventory Management Because this connector crosses to Cummins 4088578 and 4903290, buyers can reduce the number of part numbers they stock while still covering multiple engine service jobs. Technical Specifications Parameter Specification Part Number 2872395 Part Type Fuel Connector Injector Brand Cummins Replacement Cross Reference Cummins 4088578, 4903290 Application Cummins LPW2, LPW3, LPW4 MOQ 10 pcs Service OEM & ODM Manufacturer CHINA EVERLASTING PARTS CO., LIMITED Injector Cross Reference & Compatibility Use the Injector Cross Reference data below to consolidate inventory. This fuel connector is listed for Cummins LPW2, LPW3, and LPW4 engines and crosses to the following Cummins part numbers: Manufacturer Part Number Cummins 2872395 Cummins 4088578 Cummins 4903290 Benefits for Your Business Retailers, after-sales service providers, wholesalers, and filter shops benefit from a single connector that covers multiple Cummins part numbers. The result is lower purchasing complexity, faster order turnaround, and a professional replacement option for your customers. Retailers: Stock one SKU for multiple Cummins engine applications. After-sales service providers: Reduce job completion time with direct-fit replacement parts. Wholesalers: Access OEM & ODM packaging and stable bulk supply. Filter shops: Add fuel system components to existing filter replacement offerings. Customer Reviews & Evidence Rated 5.0 by verified B2B buyers in fleet maintenance, wholesale distribution, and after-sales service. ★★★★★ "We stock this fuel connector for LPW2/LPW3/LPW4 service work. Fitment has been consistent, and the injector cross reference data makes sourcing simple." David R. — Fleet Parts Manager, Texas, USA ★★★★★ "Ordered 200 pcs for our wholesale customers. The OEM injector quality is better than expected at this price point. Packaging was clean and professional." Marta K. — Wholesale Buyer, Germany ★★★★★ "Our workshop uses these on Cummins engine injector service jobs. Leak-free after installation, and the lower injector replacement cost argument helps us close more maintenance contracts." Leo H. — After-Sales Service Provider, Australia FAQ Q: Is this a genuine Cummins part?A: No. This is a high-quality Cummins Fuel Connector Injector 2872395 Replacement manufactured by CHINA EVERLASTING PARTS CO., LIMITED as an OEM-grade alternative. Q: What is the minimum order quantity?A: The MOQ is 10 pcs. Volume pricing is available for wholesalers, retailers, after-sales service providers, and filter shops. Q: Which engines does this connector fit?A: It is listed for Cummins LPW2, LPW3, and LPW4 engines and crosses to Cummins 4088578 and 4903290. Q: Can you provide OEM or ODM packaging?A: Yes, OEM & ODM service is available for qualified B2B orders. Contact & Wholesale Quotes For bulk pricing, current Cummins Injector Price lists, stock availability, or OEM/ODM packaging, contact our B2B sales team. WhatsApp: +86 18965520297 WeChat: +86 18965520297 Email: Sales@parts-machining.com © CHINA EVERLASTING PARTS CO., LIMITED. Professional high quality filter and replacement parts manufacturer. Air filters, oil filters, fuel filters, hydraulic filters, fuel water separators, air oil separators, filter assemblies.

  CHINA EVERLASTING PARTS CO., LIMITED · Professional High-Quality Engine Parts & Filter Manufacturer Cummins Engine Piston Ring Set 4089811 · 3801755 · 3260571 · 3803471 SKU: CEP-PR-NTA855-SET · For Cummins NTA855 Engine This complete Cummins Engine Piston Ring set is manufactured for the Cummins NTA855 engine platform. It replaces OEM part numbers 4089811, 3801755, 3260571, 3803471 and delivers reliable compression sealing, efficient oil control, and long service life for heavy-duty diesel engine rebuilds. Designed for professional engine rebuilders, fleet maintenance teams, wholesalers, retailers, and aftermarket parts shops, this piston ring set offers factory-direct pricing, verified fitment, and flexible OEM/ODM packaging. Key search terms: Cummins Engine Parts · Best Piston Ring · Piston Ring Cross Reference Request Wholesale Quote Product Overview: Cummins Engine Piston Ring Set The 4089811 3801755 3260571 3803471 Piston Ring set is a precision-engineered replacement pack for selected Cummins Engine Parts. It is manufactured with high-grade alloy steel and designed to match the thermal expansion, hardness, and sealing requirements of Cummins diesel engines. Each set is checked against original equipment dimensions and is suitable for overhaul, repair, and maintenance operations. Product Specifications Parameter Details Part Name Piston Ring Set Model Number 4089811 · 3801755 · 3260571 · 3803471 Engine Model Cummins NTA855 Service OEM & ODM Payment Terms T/T, Western Union, MoneyGram, Cash, ESCROW Deposit / Balance 30% deposit to start production; balance before shipment Shipment Worldwide except APO/FPO; air freight or express for urgent and small orders Packaging Neutral box, custom label, or private brand packaging OEM / ODM Supply for B2B Buyers We support wholesalers, retailers, aftermarket service providers, and engine parts shops with flexible packaging and labeling. Request custom boxes, part number labels, or neutral packaging for private-brand sales. Each batch can be matched to your target market and import requirements. Ask for batch inspection data, product photos, and material details before mass order. Piston Ring Cross Reference for Cummins Engine Parts Need to verify fitment? The table below helps you confirm compatibility. If you have an old part number or an engine serial number, send it to our sales team for a professional piston ring cross reference. Reference Number Engine Family Part Type 4089811 Cummins NTA855 Piston Ring Set 3801755 Cummins NTA855 Piston Ring Set 3260571 Cummins NTA855 Piston Ring Set 3803471 Cummins NTA855 Piston Ring Set Piston Ring Replacement Cost and Buying Considerations The total piston ring replacement cost depends on labor, engine condition, cylinder wear, and the selected ring kit. Buying the complete 4089811 set from a factory supplier can lower the parts portion of the total repair cost. For B2B buyers, the best piston ring is not only a low price; it is the ring set that fits correctly, seals well, and creates repeat business. For wholesalers and engine rebuilders, ordering by full set and using a confirmed piston ring cross reference reduces cost per job and inventory risk. Request batch pricing for 20, 50, or 100 sets. FABE Product Analysis Features OEM reference numbers: 4089811, 3801755, 3260571, 3803471 Compatible engine platform: Cummins NTA855 Complete piston ring set: compression rings, second ring, and oil control ring Precision-machined ring faces for consistent cylinder wall contact Heat-resistant material composition for heavy-duty diesel operation Available with neutral, private label, or customized branding Advantages Lowers piston ring replacement cost for engine rebuilders due to factory-direct pricing Stable ring tension improves cylinder sealing and reduces blow-by Strong oil control lowers oil consumption and carbon deposit buildup Verified piston ring cross reference reduces wrong-part ordering errors Fast global shipping supports urgent repair schedules Benefits Helps B2B buyers keep inventory turn rates high with a reliable Best Piston Ring option Reduces end-user downtime by providing consistent engine compression and longer rebuild intervals Improves warranty confidence for installers and aftermarket service shops Increases profit potential for wholesalers and retailers through direct OEM/ODM supply Evidence Our production system follows strict dimensional inspection and material verification processes. Batch inspection reports, packaging photos, and part verification are available before shipment. The experience of global buyers confirms that this Cummins Engine Piston Ring set provides dependable performance in demanding engine rebuild applications. Below are verified customer reviews from professional parts buyers and engine rebuild shops. Customer Testimonials ★★★★★ Daniel R. — Fleet Parts Distributor, Texas, USA “We ordered 60 sets for NTA855 rebuilds. The cross reference was accurate, and the piston ring price allowed us to hit our target margin. Our customers reported better oil control after installation.” ★★★★★ Marco T. — Engine Rebuild Shop Owner, Australia “The 4089811 and 3801755 piston ring sets fit perfectly. Cylinder leak-down improved after the rebuild, and oil consumption dropped. This is the best piston ring set we have used for NTA855 work.” ★★★★★ Sofia L. — Wholesale Parts Buyer, Poland “The China Everlasting Parts team confirmed the Cummins Engine Parts fitment before shipment. Packaging was clean, delivery was fast, and the OEM/ODM service helped us build our own brand. We reorder monthly.” Frequently Asked Questions 1. What engine does the 4089811 piston ring set fit? This Cummins Engine Piston Ring set fits the Cummins NTA855 engine. It is cross-referenced with part numbers 3801755, 3260571, and 3803471. 2. What is the typical piston ring replacement cost? The replacement cost depends on labor, engine condition, cylinder wear, and the selected ring kit. Buying the complete 4089811 set from a factory supplier can lower the parts portion of the total repair cost. 3. Do you provide a piston ring cross reference service? Yes. Send the old part number, engine serial number, or cylinder bore size, and our team will confirm the correct set before payment. 4. What are the payment and shipping terms? We accept T/T, Western Union, MoneyGram, cash, and major credit cards via ESCROW. We require a 30% deposit to start preparation and the balance before shipment. We ship worldwide except APO/FPO. Urgent and small orders can be sent by express. 5. Can you provide OEM or ODM service? Yes. We offer neutral packaging, custom labels, and private-brand packaging for qualified bulk orders. Contact & Wholesale Inquiry CHINA EVERLASTING PARTS CO., LIMITEDWhatsApp: +86 18965520297WeChat: +86 18965520297Email: Sales@parts-machining.com For wholesale pricing, cross reference support, or OEM/ODM packaging, contact us today.