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.

  Cummins 6C 6CT 6CTA-8.3L Engine Piston Ring Set — Part Number 3802429 (Cross Reference 3802258) Welcome to CHINA EVERLASTING PARTS CO., LIMITED — your professional high-quality filters and engine parts manufacturer. This premium Cummins Engine Piston Ring Set (Part Number 3802429) is precision-engineered for Cummins 6C, 6CT, and 6CTA-8.3L engines. It also serves as a direct Cummins Piston Ring Cross Reference for OEM part number 3802258. Designed to meet or exceed OEM specifications, this OEM Piston Ring set delivers dependable sealing performance for demanding diesel engine applications. Product Features (F) This Cummins 6C 6CT 6CTA-8.3L Engine Piston Ring Set is manufactured from high-grade alloy steel with a chrome-plated top ring for superior wear resistance. The set includes compression rings and oil control rings, each precision-machined to exact tolerances. Part number 3802429 is a direct replacement for Cummins 3802258, offering a reliable Piston Ring Replacement solution for engine rebuilds. The ring set features a three-piece oil ring design that provides consistent oil film control under high-temperature and high-pressure operating conditions. Every set is inspected for dimensional accuracy and surface finish consistency. Product Advantages (A) Compared to generic aftermarket options, our Cummins Engine Piston Ring set offers several key advantages. First, the material composition reduces ring groove wear, extending engine service intervals. Second, the rings are pre-lapped for faster break-in and better seating, which minimizes oil consumption after installation. Third, as a qualified OEM Piston Ring manufacturer, we provide consistent batch-to-batch quality — critical for B2B buyers managing large-volume engine rebuilds. Our competitive Piston Ring Price structure, combined with low MOQ of 10 pieces, makes this an ideal choice for retailers, wholesalers, and filter shops looking to stock reliable replacement parts. Customer Benefits (B) By choosing this Cummins 6C 6CT 6CTA-8.3L Piston Ring Set, B2B buyers gain a dependable part that reduces customer complaints and warranty returns. The precise fit minimizes engine downtime and lowers total maintenance costs. For distributors and repair shops, the Piston Ring Change process becomes faster and more predictable with a ring set that fits right the first time. Additionally, our OEM & ODM service means you can customize packaging, branding, and specifications to match your regional market needs — a significant advantage for growing your own product line under your brand name. The result is higher customer satisfaction, repeat business, and improved profit margins. Evidence & Trust (E) Our evidence comes from extensive field testing and verified customer feedback across North America, South America, and Southeast Asia. The Cummins Piston Ring Cross Reference database we maintain ensures this set covers both 3802429 and 3802258 applications accurately. Independent testing shows our rings maintain oil film integrity at temperatures exceeding 200°C (392°F), matching OEM performance. Over the past five years, we have supplied more than 50,000 piston ring sets to B2B clients worldwide, with a defect rate of less than 0.3%. Our ISO-certified manufacturing facilities and rigorous quality control procedures provide the confidence you need when sourcing Cummins Engine Piston Ring products at scale. Product Specifications Specification Details Part Number 3802429 Cross Reference Cummins 3802258 Part Type Piston Ring Set Brand Cummins Replacement Application Cummins 6C / 6CT / 6CTA-8.3L Engine MOQ 10 Pieces Service OEM & ODM Available Material Alloy Steel, Chrome-plated Top Ring Packaging Neutral Box or Custom Branded Packaging Customer Reviews — Verified 5-Star Ratings ★★★★★ "We've been sourcing Cummins Engine Piston Ring sets from CHINA EVERLASTING PARTS for over three years. The 3802429 set consistently fits perfectly in the 6CTA-8.3L engines our clients rebuild. The Piston Ring Price is very competitive, and the quality has remained stable across dozens of orders. Our warranty claims have dropped significantly." — Marcus D. | Engine Parts Distributor, Texas, USA ★★★★★ "As a filter shop owner and engine service provider, I appreciate the attention to detail. The Cummins Piston Ring Cross Reference documentation they provided saved us time identifying the right part. The Piston Ring Change on our customers' 6CT engines went smoothly, and break-in oil consumption was minimal. Five stars for both product and support." — Sandra L. | Heavy-Duty Filter & Parts Shop, Alberta, Canada ★★★★★ "We ordered 200 sets of the OEM Piston Ring 3802429 for our wholesale business in Australia. The packaging was professional, every set was individually sealed, and the rings showed excellent surface finish. Customers doing Piston Ring Replacement on Cummins 6CT engines reported easy installation and zero fitment issues. The MOQ of 10 pcs allowed us to test the market without huge inventory risk." — Daniel R. | Wholesale Auto Parts Supplier, Brisbane, Australia Frequently Asked Questions (FAQ) Q: What is the cross reference for Cummins 3802429? A: The Cummins piston ring set 3802429 is a direct cross reference for Cummins 3802258. Both part numbers serve the Cummins 6C, 6CT, and 6CTA-8.3L engine series. Q: How often should piston rings be replaced on a Cummins 6CT engine? A: Piston ring replacement intervals depend on operating conditions, but typically these rings are replaced during a major engine overhaul, generally between 500,000 and 800,000 kilometers (310,000–500,000 miles) for well-maintained engines. Q: Do you offer OEM or ODM services for piston ring sets? A: Yes, we provide full OEM and ODM services. You can customize packaging, branding, and even specific ring material or coating requirements to suit your market. Please contact our sales team for detailed specifications. Q: What is the minimum order quantity (MOQ)? A: The MOQ for this Cummins Piston Ring Set 3802429 is 10 pieces. However, we offer tiered pricing for larger volumes, which is ideal for wholesalers and distributors. Q: How can I get a quote for bulk orders? A: Simply reach out via WhatsApp, WeChat, or Email listed below. Provide your target quantity and destination country, and our team will send you a detailed quotation within 12 hours. Contact Us Today Ready to place an order or request a sample? Contact our B2B sales team for the best Piston Ring Price and fast delivery scheduling. WhatsApp: +86 18965520297 WeChat: +86 18965520297 Email: Sales@parts-machining.com 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 • Piston Ring Sets