Isuzu 4BD1/4BC2 4R Engine Piston 1-12111-858-0 1-12111-122-1 DA640 Diesel Engine Parts

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.