Product Overview

This high-performance Diesel Fuel Injection Pump is a direct replacement for the ISUZU 4JB1T engine, engineered to deliver precise fuel metering and high-pressure delivery for optimal combustion efficiency. As a critical component of the fuel system, this pump ensures reliable engine starting, smooth idling, and maximum power output. We are a leading supplier of diesel engine parts, exporting globally to markets in North America, Europe, Asia-Pacific, the Middle East, and South America. Our inventory supports rapid fulfillment for B2B buyers, including wholesale distributors, repair shops, and heavy equipment dealers.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed OEM specifications for exact fitment and reliable performance on the 4JB1T engine.
• High-Pressure Delivery: Ensures optimal fuel atomization for improved combustion, resulting in better fuel economy and reduced emissions.
• Durable Construction: Built with hardened materials to withstand high operating pressures and extreme temperatures, ensuring a long service life.
• 100% Professional Tested: Every unit undergoes rigorous testing for pressure, flow rate, and leak integrity before shipment to guarantee quality.
• Direct Bolt-On Fit: Designed as a direct replacement for ISUZU applications, minimizing installation time and complexity for mechanics.

Technical Specifications

OEM Cross-Reference

This fuel injection pump is a direct cross-reference for the following OEM and alternative part numbers:

• ISUZU OEM: 8972630863
• Alternative Number 1: 104746-5113
• Alternative Number 2: 8-97263086-3

Note: Always verify your engine’s specific part number before ordering.

Compatibility

• Engine: ISUZU 4JB1T (Turbocharged 4-cylinder diesel)
• Vehicle Applications: ISUZU N-Series trucks (NHR, NKR, NPR), ISUZU Bighorn, ISUZU Rodeo, and various industrial equipment utilizing the 4JB1T engine.
• Note: This pump is specifically designed for the turbocharged (T) version of the 4JB1 engine. Confirm your engine code before purchase.

Global Supply & Distribution

We provide a reliable global supply chain to support your business operations. Our logistics network enables fast and cost-effective shipping to major industrial regions worldwide.

• Worldwide Shipping: We ship from China via sea, air, and express couriers (DHL, FedEx, UPS, TNT) to meet your delivery deadlines.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, Poland), Asia-Pacific (Japan, Korea, Australia, Indonesia), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
• Fast Dispatch: Orders are processed and dispatched from our warehouse within 3-7 business days.
• Bulk Orders: We offer competitive pricing for wholesale and container orders (MOQ: 1 piece, but volume discounts available).

Quality Assurance

• Manufacturing Standard: Parts are produced in ISO-certified facilities, adhering to strict international quality control standards.
• Testing: 100% of units undergo professional testing for pressure calibration, flow rate consistency, and leak-proof sealing.
• Warranty: Backed by a 6-month warranty against manufacturing defects.
• Packaging: Securely packed using industrial standard materials (polyester bag + paper carton) to prevent damage during transit.

FAQ

Q1: Is this fuel injection pump a direct replacement for my ISUZU 4JB1T engine?
A: Yes, this pump (104746-5113 / 8972630863) is designed as a direct OEM replacement for the ISUZU 4JB1T engine. It matches the factory specifications for mounting, port configuration, and high-pressure output. We recommend checking your engine’s serial number and the existing pump part number to confirm compatibility.

Q2: What is the typical installation procedure for this high-pressure pump?
A: Installation should be performed by a qualified diesel mechanic. The process generally involves: 1) Removing the old pump after disconnecting the battery and fuel lines. 2) Transferring the drive gear (if applicable) to the new pump. 3) Installing the new pump and ensuring proper timing alignment with the engine’s timing marks. 4) Reconnecting fuel lines and bleeding the system to remove air. 5) Performing a final leak check and test run. Improper timing can affect engine performance.

Q3: How does this pump improve engine performance compared to a worn-out unit?
A: A worn injection pump can cause hard starting, low power, excessive smoke, and poor fuel economy. This new pump restores factory-specified injection pressure and precise fuel metering. This leads to improved atomization of fuel, resulting in smoother idle, increased horsepower, better throttle response, and reduced fuel consumption and emissions.