Product Overview

This is a premium replacement piston designed specifically for the JCB 3CA diesel engine, a cornerstone of heavy-duty construction and industrial machinery. Engineered for durability and performance, this part is essential for engine overhauls and rebuilds. We specialize in global B2B supply, serving major markets across North America, Europe, the Middle East, and Asia-Pacific with reliable shipping and export compliance.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for a perfect fit and optimal compression.
• Superior Durability: Constructed from high-grade aluminum alloy to withstand extreme temperatures and pressures within the combustion chamber.
• Enhanced Performance: Designed to restore engine power, efficiency, and reduce oil consumption in JCB 3CA engines.
• Direct Replacement: A direct-fit component that eliminates compatibility concerns, ensuring a smooth installation process.
• Cost-Effective Solution: Provides OEM-level quality and reliability at a competitive price, reducing total cost of ownership for fleet managers.

Technical Specifications

OEM Cross-Reference

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

• JCB: 10304A103

Please verify your engine’s serial number for absolute confirmation before ordering.

Compatibility

This piston is specifically designed for use in the JCB 3CA series diesel engines. These engines are commonly found in a range of JCB construction equipment, including but not limited to:

• JCB Excavators (various models powered by the 3CA engine)
• JCB Loadall Telescopic Handlers
• Other JCB industrial machinery utilizing the 3CA power unit.

It is suitable for engines across multiple production years. Always cross-reference your engine’s specific part number for guaranteed compatibility.

Global Supply & Distribution

We are a trusted partner for heavy machinery parts distributors and workshops worldwide. Our logistics network ensures efficient delivery to key industrial hubs and ports.

• Worldwide Shipping: We export to all major continents, including North America (USA, Canada), Europe (UK, Germany, Poland), the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore).
• Fast Delivery: Consolidated shipments and established freight partnerships enable timely delivery to major logistics centers.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is prepared to full international trade compliance standards for smooth customs clearance.

Quality Assurance

We partner with ISO-certified manufacturers to ensure every part meets rigorous quality standards.

• Manufacturing Standards: Components are produced using advanced CNC machining and thermal treatment processes to ensure dimensional accuracy and material integrity.
• Testing: Critical dimensions and material hardness are verified against OEM blueprints.
• Warranty: This part is backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q: Is this piston sold as a single unit or as a set for the entire engine?
A: This listing is for a single piston. For a full engine overhaul, a set matching the number of cylinders in your JCB 3CA engine (typically 4) is required. Please inquire for set pricing.

Q: Does this piston come with piston rings and wrist pins included?
A: This part is typically supplied as a complete piston assembly, which includes the piston body, piston pin, and circlips. Piston rings are often sold separately. Please confirm the exact included components with our sales team before ordering.

Q: What are the recommended steps during installation to ensure longevity?
A: For optimal performance, we recommend: 1) Thoroughly cleaning the cylinder liner. 2) Checking ring end-gap clearance as per service manual specifications. 3) Properly lubricating the piston skirt and rings during assembly. 4) Following the engine manufacturer’s recommended run-in procedure after installation.

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 .