Product Details

Product Overview

This premium Isuzu 4R engine piston is a direct replacement for models utilizing the DA640, 4BD1, and 4BC2 engine platforms. Manufactured to strict OE specifications, this component ensures optimal compression, reduced friction, and long service life for heavy-duty applications. We provide global shipping to major industrial centers including North America, Europe, Southeast Asia, and the Middle East, ensuring fast and reliable delivery for B2B procurement.

Key Features & Benefits

• High-Strength Alloy Construction: Designed to withstand extreme combustion pressures and high thermal loads.
• Precision Machining: Ensures perfect cylinder wall contact for reduced oil consumption and blow-by.
• Advanced Ring Grooves: Optimized geometry for superior ring retention and sealing efficiency.
• Wear Resistance: Special surface treatment extends service intervals compared to standard aftermarket parts.
• Direct Fitment: No modifications required; plug-and-play installation for qualified mechanics.

Technical Specifications

OEM Cross-Reference

This piston replaces the following OEM and aftermarket part numbers:

• Isuzu OEM: 1-12111-858-0, 1-12111-122-1
• Isuzu Engine Models: DA640, 4BD1, 4BC2
• Alternative Numbers: 8-98023-526-0, 8-98023-525-3

Compatibility

• Engine Models: Isuzu 4BD1, 4BC2, DA640 (4-cylinder diesel)
• Applications: Forklifts, excavators, generators, industrial pumps, and marine engines
• Vehicle Models: Isuzu Elf (N-Series trucks), Isuzu Forward, and various industrial equipment
• Year Range: 1980s–1990s (verification of engine model required)

Global Supply & Distribution

We are a trusted supplier to over 30 countries, offering:

• Worldwide Shipping: Express (DHL, FedEx, UPS) and sea freight (FCL/LCL) options available.
• Major Markets: USA, Canada, Germany, UK, Australia, UAE, Saudi Arabia, Singapore, Indonesia, Nigeria, and South Africa.
• Fast Delivery: 3–7 days to major ports (Rotterdam, Dubai, Singapore, Los Angeles).
• Trade Compliance: Full export documentation, customs clearance support, and CE/ISO certifications.

Quality Assurance

• Manufacturing Standards: ISO 9001:2015 certified production facility.
• Testing: 100% dimensional inspection and pressure testing before packaging.
• Warranty: 12-month warranty covering material and workmanship defects.
• Certification: CE, RoHS, and REACH compliant.

FAQ

Q1: Will this piston fit my Isuzu 4BD1T engine?

A: Yes, this piston is designed for naturally aspirated and turbocharged 4BD1 engines. Always verify your engine’s bore size (standard 102mm) and compression height before ordering. For turbocharged applications, ensure the piston cooling jet is present.

Q2: Does the piston come with rings and pin?

A: This listing includes the piston with pre-installed ring set. The piston pin and circlips are included. For complete engine overhaul kits, please contact our sales team for a bundled quote.

Q3: What is the recommended installation procedure?

A: Professional installation is recommended. Ensure cylinder walls are honed to the correct crosshatch pattern. Lubricate the piston and rings with clean engine oil before insertion. Torque connecting rod bolts to OEM specifications (typically 49–55 Nm for 4BD1). Break-in period: 50 hours at varying loads before full power operation.

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 .