
Product Overview
This A2300 Piston Ring Set (Part Number 4900738) is a premium-quality aftermarket component engineered for Cummins diesel engines. Designed for durability and optimal compression, it is an essential part for engine overhauls and rebuilds. We specialize in global B2B supply, offering reliable shipping to major industrial hubs and markets worldwide, including North America, Europe, the Asia-Pacific region, and the Middle East.
Key Features & Benefits
- Premium Material Construction: Manufactured from high-grade alloy steel for superior strength, heat resistance, and reduced wear.
- Precision Engineering: Ensures exact fitment and optimal sealing to restore engine compression and performance.
- Enhanced Durability: Designed to withstand the high-pressure and high-temperature environment of diesel engines, extending service intervals.
- Improved Oil Control & Combustion: Precision-machined rings promote effective oil scraping and gas sealing, contributing to better fuel efficiency and reduced emissions.
- Cost-Effective Solution: Provides OEM-comparable performance at a competitive price point, ideal for fleet maintenance and engine rebuild shops.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | A2300 / 4900738 |
| Part Name | Piston Ring Set |
| Engine Compatibility | Cummins Diesel Engines |
| Application | Engine Rebuild & Overhaul |
| Material | High-Grade Alloy Steel |
| Condition | New, Aftermarket |
OEM Cross-Reference
This part is designed as a direct replacement for the following OEM part number:
- Cummins: 4900738
Note: Always verify part number compatibility with your specific engine model and serial number before purchase.
Compatibility
This piston ring set is designed for use in various Cummins diesel engine models. It is crucial to cross-reference the part number (4900738) with your engine’s service manual or via a trusted parts database to confirm exact application for models such as the N14, ISX, M11, and other series. Typically used in heavy-duty trucks, industrial power units, and generator sets.
Global Supply & Distribution
We are a trusted B2B supplier for automotive and industrial parts distributors worldwide. Our logistics network ensures efficient delivery to key global markets:
- Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, Middle East, and Africa.
- Shipping: We support FOB, CIF, and EXW terms, with reliable air and sea freight options to major ports like Los Angeles, Rotterdam, Singapore, and Dubai.
- Export Compliance: All shipments are prepared with complete commercial invoices, packing lists, and comply with international trade regulations for smooth customs clearance.
Quality Assurance
Every A2300 Piston Ring Set is manufactured to meet stringent quality standards.
- Manufacturing Standards: Produced in ISO-certified facilities using precision CNC machinery and advanced heat treatment processes.
- Rigorous Testing: Components undergo dimensional checks, hardness testing, and material analysis to ensure they meet or exceed original specifications.
- Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms applicable to your region and order volume.
FAQ
Q: How do I confirm this piston ring set is compatible with my specific Cummins engine?
A: Compatibility is determined by the OEM part number. Please verify that your engine’s required part number is 4900738. For absolute certainty, provide your engine model, serial number, and ESN (Engine Serial Number) to your parts specialist for cross-referencing.
Q: What is included in this “set”?
A: This set includes a complete set of piston rings (compression rings and oil control rings) required for one piston. Quantities per set vary by engine cylinder configuration. Please confirm the required number of sets for your rebuild project.
Q: What are the recommended installation procedures for these rings?
A> Professional installation is critical. Always follow the engine manufacturer’s service manual for ring end-gap measurement, ring orientation (top/bottom side), and installation using proper tools to avoid nicking or damaging the rings or cylinder liner. Proper cylinder honing is also essential for optimal ring seating and performance.
Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.
2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.
3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.
4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.
5. Scientific ERP system, easy and fast to locate the parts that customer needs.
6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.
Exhibition

Packing&Shipping

1. Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).
2. Once we get confirmation of payment, we will ship products in 2 days.
3. Our packaging is standard export wooden box or others as your requirement.
4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ
Q1. What is your company major products?
A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.
Q2.What is the MOQ?
A: Normally we can supply any quantity if we have in stock.
Q3. What is your payment term ?
A: We accept Western Union, T/T, Paypal.
Q4. What is the packing ?
A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.
Q5. When can you deliver products after payment ?
A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .
Q6. What can you do to complete order perfectly ?
A: In the beginning , We will communicate with clients in details to understand what they need .
Before packing , We will check the products and send photos to clients .After confirmation ,
We will packing products well to avoid damage . Once we get tracking number ,
We will send it to customer and keep contact in with clients .