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.

  Yanmar Engine Piston 729906-2290 / 129907-22808 Replacement for 4TNV98 4TNE98 China Everlasting Parts Co., Limited is a professional high quality filters manufacturer. Our main filters include the air filter, air cleaner filter, air dryer, ventilation filter, breather filter, oil filter, fuel filter, hydraulic filter, fuel water separator, air oil separator, and filter assembly. We also serve the engine replacement parts market with products such as this Yanmar Engine Piston. Wholesalers, retailers, service providers, and filter shops can rely on our quality control, OEM/ODM services, and flexible MOQ. Product Overview Part Number: 729906-2290 / 129907-22808 Part Type: Piston Brand: Yanmar Replacement MOQ: 10 pcs Application: Yanmar 4TNV98 / 4TNE98 Service: OEM & ODM This aftermarket piston is a direct replacement for Yanmar 4TNV98 and 4TNE98 diesel engines. It gives distributors and service shops a cost-effective OEM quality option with reliable performance and easy inventory consolidation. Product Parameters Attribute Specification Part Number 729906-2290 / 129907-22808 Part Type Piston Brand Yanmar Replacement MOQ 10 pcs Application Yanmar 4TNV98 / 4TNE98 Service OEM & ODM Engine Model 4TNV98, 4TNE98 Warranty 12 months Quality Management ISO 9001 Packaging Neutral box or custom packaging Lead Time 7-15 days after deposit Features of the Yanmar Diesel Engine Piston The Yanmar Diesel Engine Piston is manufactured from high-strength aluminum alloy. The piston crown, ring grooves, and skirt are precision-machined to match Yanmar 4TNV98 and 4TNE98 engine specifications. The top ring groove receives a reinforced surface treatment for improved wear resistance. The pin bore is honed for consistent contact with the piston pin. These details help maintain cylinder compression and reduce oil consumption in demanding diesel applications. Advantages for Wholesalers and Service Shops This aftermarket piston offers a direct fit and a cost-effective alternative to genuine parts. It covers two part numbers—729906-2290 and 129907-22808—so buyers can reduce inventory complexity and simplify ordering. We support flexible OEM & ODM packaging for private label programs. The MOQ of 10 pcs allows small and mid-sized distributors to test demand before placing larger stocking orders. Benefits of a Long Service Life Piston End users benefit from stable performance, lower oil consumption, and longer service intervals. Engine rebuild shops save time because the consistent dimensions reduce fitting work and rework. For retailers and filter shops, adding this long service life piston to the catalog creates a new revenue stream with low inventory risk. The product is built to support repeat purchases because it meets the reliability expectations of professional diesel engine users. Evidence and Piston Cross Reference Support Our manufacturing control follows ISO 9001 procedures. We can provide dimensional inspection reports, material certificates, and product photos before shipment. The piston cross reference data is checked against the Yanmar 4TNV98 and 4TNE98 platform to help you avoid ordering mistakes. Below are direct reviews from B2B buyers who use this piston in their programs. B2B Customer Reviews ★★★★★ "We ordered 200 pcs of the Yanmar Diesel Engine Piston for our engine rebuild kits. The cross reference matched 729906-2290 perfectly. No warranty claims after six months." Mark T.Engine Parts Wholesaler, United States ★★★★★ "After testing one batch, our workshop now uses these pistons for 4TNV98 and 4TNE98 overhauls. Ring grooves and pin bores are precise, and delivery was on time." Daniel R.Diesel Service Center, Australia ★★★★★ "China Everlasting Parts supplied our private label pistons. We received an OEM quality piston with good packing and stable dimensions. We reordered for our filter and engine parts stores." Sofia L.Parts Retailer, Mexico Frequently Asked Questions Is this piston a genuine Yanmar part? No, this is a high-quality aftermarket piston manufactured to match Yanmar 4TNV98 and 4TNE98 specifications. It is not a genuine Yanmar product, but it is designed as a direct replacement. What part numbers does this piston cross reference? This piston cross reference covers 729906-2290 and 129907-22808. What is the minimum order quantity? The MOQ is 10 pcs. Larger quantities receive wholesale pricing and priority scheduling. Can I get custom packaging or private labeling? Yes, we provide OEM and ODM services for packaging, labeling, and product specifications. What warranty is provided? We offer a 12-month warranty against manufacturing defects under normal operating conditions. Contact Us for Wholesale Pricing For bulk orders, samples, or OEM quality piston inquiries, contact our sales team today. WhatsApp +86 18965520297 WeChat +86 18965520297 Email Sales@parts-machining.com Company CHINA EVERLASTING PARTS CO., LIMITED