2614B660 V Belt for Perkins 6.354 Engine OEM-Grade Replacement | Bulk Discounts Available ✔ Direct replacement for Perkins 3011595, 3040316 ✔ Compatible with FG Wilson 981-211 models ✔ High-tensile rubber with reinforced cords ✔ 30% longer lifespan than standard belts ✔ MOQ 10pcs with wholesale pricing B2B Special: Order 50+ units for additional 5% discount Request Bulk Quote Premium V Belt for Industrial Applications Features (F): Our 2614B660 V Belt is engineered for heavy-duty Perkins 6.354 diesel engines, featuring: Precision-molded EPDM rubber compound for heat resistance High-modulus polyester tension members for minimal stretch Optimal 30° wedge angle for maximum power transmission Molded cog design reduces bending stress by 40% Advantages (A): Compared to generic alternatives, this belt delivers: 15% higher load capacity (up to 8kW transmission) Operates in -40°C to +120°C temperature range Reduces maintenance intervals by 300-500 hours Vibration damping lowers bearing wear by 22% Benefits (B): For your business operations: Lower total cost of ownership vs. OEM parts Reduces customer downtime with reliable performance Increases service profitability with fewer warranty claims Compatible with all major aftermarket tensioners Evidence (E): Trusted by industrial distributors worldwide: ISO 9001:2015 certified manufacturing 100% tested before shipment 12-month performance guarantee Cross Reference & Compatibility OEM Part Number Brand Application 2614B660 Perkins 6.354 Engine Series 981-211 (981211) FG Wilson Generator Sets 2614B560 Perkins Alternate Part 3011595 Perkins Service Kit Reference Technical Specifications Parameter Value Belt Type Wrapped V-Belt (Classic) Top Width 17mm (0.67") Effective Length 1524mm (60") Tensile Strength ≥1800 N/mm² Operating Temp Range -40°C to +120°C Customer Testimonials ★★★★★ "These belts outlast OEM by 20%. Our fleet maintenance costs dropped 15% after switching." - Midwest Diesel Solutions ★★★★★ "Perfect fit for Perkins 6.354 in our generator sets. Zero returns in 500+ units sold." - PowerGen Distributors LLC ★★★★★ "Consistent quality across batches. Our go-to supplier for Perkins engine parts." - Global Heavy Equipment Frequently Asked Questions Q: What's the difference between this belt and OEM? A: Our belt uses premium EPDM compound rather than standard rubber, offering 30% longer service life while maintaining identical dimensions and performance specs. Q: Do you provide technical documentation? A: Yes, we supply installation guides, material certifications, and load test reports with bulk orders upon request. Q: What's the lead time for 500+ units? A: Typically 7-10 days for standard orders. Express production available with 5-day turnaround. Contact Our Sales Team For bulk pricing, OEM/ODM inquiries, or technical questions: WhatsApp/WeChat: +86 18965520297 Email: Sales@parts-machining.com Manufacturer: CHINA EVERLASTING PARTS CO., LIMITED Request a quote today and receive volume pricing within 2 business hours.

  Cummins Belt Tensioner Replacement for Diesel Engine Applications Cummins 3974102 Belt Tensioner Replacement This engine belt tensioner is built as a direct replacement part for high-use diesel platforms. It maintains consistent belt tension for the alternator, fan drive, water pump, and other belt-driven components. For distributors, fleet maintenance providers, wholesalers, and repair shops, this aftermarket belt tensioner offers a dependable balance of performance, fit, and value. Part Number: 3974102  |  Part Type: Belt Tensioner  |  MOQ: 10 pcs Request a Bulk Quote Product Overview: High Quality Belt Tensioner for Cummins Engines The 3974102 Belt Tensioner Replacement is designed for medium-duty and heavy-duty diesel engine belt tensioner applications, including the Cummins 4BT, 6BT, 6CT, QSB6.7, M11, and L10 engine families. This product supports fleet uptime by helping prevent belt slippage, tension loss, and accessory drive failure. Stocking this SKU can help parts distributors reduce order complexity and provide a professional-grade option to customers who need a reliable Cummins Belt Tensioner replacement. Features, Advantages, Benefits, and Evidence Calibrated Spring and Damping System Feature: The tensioner assembly uses a calibrated spring mechanism and a heavy-duty damping structure. Advantage: It keeps steady tension during engine acceleration and changing load conditions. Benefit: Your customers get longer accessory belt life, reduced noise, and fewer service calls. Direct-Fit Mounting for Common Cummins Platforms Feature: This Cummins Belt Tensioner replacement matches the mounting points and pulley geometry of the original 3974102 part. Advantage: Installation teams can complete replacement work without special modifications. Benefit: Repair shops save labor time, and distributors reduce the risk of returns caused by poor fitment. Application Coverage Across Multiple Engine Families Compatible with Cummins 4BT, 6BT, 6CT, QSB6.7, M11, and L10 diesel engines, this aftermarket belt tensioner provides wide coverage for wholesale buyers. Benefit: One SKU can support multiple engine service jobs, making inventory management simpler for independent parts stores and service centers. Evidence: Fleet parts buyers and independent repair shops report fewer belt-related returns and lower service comebacks after switching to this high quality belt tensioner. Product Specifications Specification Details Part Number 3974102 Part Type Belt Tensioner Brand Cummins Replacement MOQ 10 pcs Application Cummins 4BT, 6BT, 6CT, QSB6.7, M11, L10 Service OEM & ODM Packaging Neutral or custom packaging options available Why Source This Diesel Engine Belt Tensioner from CHINA EVERLASTING PARTS CO., LIMITED CHINA EVERLASTING PARTS CO., LIMITED is a professional supplier of high-quality filters and engine components. Our supply chain supports wholesale orders, retail groups, and service networks with stable production, flexible packaging, and OEM/ODM programs. Every high quality belt tensioner order can be tailored with neutral boxes, custom labels, or customer-specific packing requirements. We understand B2B procurement needs: consistent quality, clear communication, and reliable lead times. With a minimum order quantity of 10 pcs, this Belt Tensioner Replacement is accessible for initial stock testing and scalable for larger distribution programs. Customer Reviews from Diesel Parts Professionals ★★★★★ “We added the 3974102 Belt Tensioner Replacement to our 6BT and QSB6.7 service kits. Fitment was accurate, and belt noise comebacks dropped noticeably in the first two months.” Michael T. — Fleet Parts Procurement Manager ★★★★★ “As a heavy-duty parts distributor, I need consistent aftermarket belt tensioners. This 3974102 replacement covers several Cummins applications and has been a reliable stock item for our wholesale accounts.” Sandra L. — Heavy-Duty Parts Distributor ★★★★★ “We installed this engine belt tensioner on several M11 and L10 engines. Belt tension remained stable under load, and the installation was straightforward. Our shop will continue ordering.” David R. — Independent Diesel Repair Shop Owner FAQ: Cummins 3974102 Belt Tensioner Replacement Is this a genuine Cummins part? No. This is a Cummins Belt Tensioner replacement manufactured to meet aftermarket form, fit, and function standards. All brand names and part numbers are used for compatibility reference only. Which engines does this belt tensioner fit? This engine belt tensioner fits Cummins 4BT, 6BT, 6CT, QSB6.7, M11, and L10 applications. Always confirm engine serial number and part number before ordering. What is the minimum order quantity? The standard MOQ is 10 pcs. For sample evaluation or mixed SKU orders, please contact our sales team. Do you offer private labeling and OEM/ODM service? Yes. We provide OEM and ODM services including custom packaging, labeling, and brand program support for qualified wholesale buyers. Contact Our Wholesale Team Ready to stock the Cummins 3974102 Belt Tensioner Replacement? Contact us for pricing, samples, lead times, and custom packaging options. WhatsApp: +86 18965520297WeChat: +86 18965520297Email: Sales@parts-machining.com All trademarks, brand names, and part numbers are used for compatibility reference only. CHINA EVERLASTING PARTS CO., LIMITED is not affiliated with Cummins Inc.