Product Details

Product Overview

This high-quality C4.4 piston, referencing OEM numbers 5081898 and 3636884, is a direct replacement for Caterpillar C4.4 diesel engines. Engineered for durability and optimal performance, this piston is ideal for heavy-duty applications including excavators, generators, and industrial machinery. We offer global shipping, with major distribution hubs serving North America, Europe, the Middle East, and Asia-Pacific, ensuring fast and reliable delivery to your port or facility.

Key Features & Benefits

• OEM Compatibility: Precision-engineered to match the exact specifications of the original Caterpillar part, ensuring a perfect fit and seamless installation.
• Superior Durability: Constructed from high-strength aluminum alloy with a reinforced crown, this piston withstands extreme combustion pressures and temperatures for extended service life.
• Optimized Performance: Features a precision-machined ring groove and skirt profile to reduce friction, improve oil control, and enhance overall engine efficiency.
• Rigorous Testing: Each piston undergoes stringent quality control checks, including dimensional inspection and material hardness testing, to guarantee reliability in demanding environments.
• Cost-Effective Solution: Offers a reliable alternative to genuine OEM parts without compromising on quality, helping to reduce maintenance and operational costs.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following OEM part numbers:

• Caterpillar OEM: 5081898, 3636884

Note: Always verify your engine’s specific part number before purchasing to ensure compatibility.

Compatibility

• Engine Models: Caterpillar C4.4 (including C4.4 ACERT, C4.4 DIT variants)
• Equipment Applications: Excavators (e.g., 308D, 309D, 310D), Wheel Loaders, Generators, and Industrial engines.
• Year Range: Compatible with engines manufactured from 2005 onwards.

Global Supply & Distribution

We are a global supplier of heavy-duty engine components, committed to fast and reliable delivery worldwide.

• Worldwide Shipping: We ship to all major ports and industrial centers, including the USA (Houston, Los Angeles), Europe (Rotterdam, Hamburg), Middle East (Dubai, Jebel Ali), and Asia-Pacific (Singapore, Shanghai).
• Fast Delivery: Standard lead times of 5-10 business days via express courier (DHL, FedEx, UPS) or sea freight for bulk orders.
• Trade Compliance: We ensure all products meet international export standards and provide full documentation for customs clearance.
• Bulk Orders: Competitive pricing and volume discounts available for wholesalers and fleet operators.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities, adhering to strict quality control processes.
• Warranty: Backed by a 12-month warranty against manufacturing defects.
• Testing: Each piston is tested for dimensional accuracy, material integrity, and surface finish to ensure reliable performance.

FAQ

1. Is this piston a direct fit for my Caterpillar C4.4 engine?

Yes, this piston is designed as a direct replacement for the Caterpillar C4.4 engine. It matches the OEM specifications for part numbers 5081898 and 3636884. However, we always recommend verifying your engine’s serial number and existing part number to confirm fitment, as engine variants may exist.

2. Does this piston come with piston rings and a wrist pin?

No, this listing includes only the piston itself. The piston rings and wrist pin are typically sold separately. We recommend using new rings and a pin during installation to ensure proper sealing and performance. Please contact us if you require a complete piston kit.

3. What is the recommended installation procedure for this piston?

Installation should be performed by a qualified diesel mechanic. Key steps include: cleaning the cylinder bore, lubricating the piston and rings, using a ring compressor to install the piston into the bore, and torquing the connecting rod bolts to the manufacturer’s specifications. We recommend consulting the Caterpillar service manual for your specific engine model for precise torque values and procedures.

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 .