Product Overview

This high-performance piston ring set, identified by part number 4181A033, is engineered for Caterpillar 3056 series diesel engines. As a critical component for engine rebuilds and overhauls, it is manufactured to meet or exceed stringent OEM specifications. We specialize in the global distribution of heavy-duty engine components, serving major industrial markets across North America, Europe, the Asia-Pacific region, and the Middle East with reliable shipping and logistics support.

Key Features & Benefits

• Premium Material Construction: Manufactured from high-grade alloyed cast iron and advanced coatings for superior wear resistance and heat dissipation.
• Precision Engineering: Ensures exact fitment and optimal sealing to restore cylinder compression, reduce blow-by, and improve engine efficiency.
• Enhanced Durability: Designed to withstand the high-pressure and high-temperature environment within the 3056 engine cylinder, extending service intervals.
• Performance Restoration: Critical for restoring engine power, reducing oil consumption, and maintaining emissions control in Caterpillar equipment.
• Cost-Effective Solution: Provides a reliable aftermarket alternative for fleet maintenance and engine rebuild shops, offering excellent value without compromising on quality.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM number:

• Caterpillar (CAT): 4181A033

Note: Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This piston ring set is designed specifically for the Caterpillar 3056 industrial diesel engine. This engine is commonly found in a variety of Caterpillar machinery, including:

• Power Generation Units (Gensets)
• Industrial Pumps and Compressors
• Marine Auxiliary Engines
• Various Off-Road and Stationary Equipment

Global Supply & Distribution

We are a trusted B2B supplier for heavy-duty engine components with extensive export experience. Our logistics network ensures efficient delivery to key global markets.

• Worldwide Shipping: We ship to all major continents via air and sea freight.
• Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, Middle East (UAE, Saudi Arabia), and South America.
• Fast Delivery: Consolidated shipments to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali. Expedited options available for urgent requirements.
• Trade Compliance: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided for smooth customs clearance worldwide.

Quality Assurance

Our commitment to quality ensures you receive parts that perform reliably in demanding applications.

• Manufacturing Standards: Produced in ISO-certified facilities using precision machining and quality-controlled materials.
• Rigorous Testing: Components undergo dimensional checks, material analysis, and performance validation to ensure they meet critical tolerances and functional requirements.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms and conditions.

FAQ

Q: How do I confirm this piston ring is the correct part for my specific Caterpillar 3056 engine?
A: The primary identifier is the part number 4181A033. For absolute certainty, especially for critical rebuilds, we recommend cross-referencing this number with your engine’s specific serial number (SN) plate information or consulting the official Caterpillar parts manual for your unit.

Q: Is this a full piston ring set for one cylinder?
A> Yes, this part number 4181A033 typically refers to a complete set of rings (compression rings and oil control rings) required for a single piston within the Caterpillar 3056 engine. Please confirm the quantity needed per engine (e.g., 4-cylinder, 6-cylinder) when ordering.

Q: What are the key installation checks for these rings?
A> Proper installation is crucial. Always check: 1. Ring End Gap: Measure and file (if necessary) to the specification in the engine service manual before installation. 2. Ring Side Clearance: Ensure the ring moves freely in the piston ring groove without excessive play. 3. Ring Orientation: Install rings according to markings (usually “TOP”) and stagger the ring end gaps around the piston circumference as specified. Always follow the official engine overhaul procedure.

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 .