Product Overview

This is a premium-quality replacement oil pump assembly engineered for the Isuzu 4HF1 diesel engine. Designed to meet or exceed OEM specifications, this critical component ensures reliable lubrication and engine protection. We specialize in global B2B supply, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with efficient logistics and export compliance.

Key Features & Benefits

• Precision Engineered: Manufactured to exact tolerances for a perfect fit and optimal oil pressure delivery.
• Enhanced Durability: Constructed from high-grade materials to withstand the demands of commercial diesel operation.
• Reliable Performance: Ensures consistent oil flow to protect engine bearings, turbocharger, and valvetrain from wear.
• Direct OEM Replacement: Designed as a complete assembly for straightforward installation, minimizing downtime.
• Rigorously Tested: Each unit undergoes performance checks to guarantee functionality and reliability.

Technical Specifications

OEM Cross-Reference

This oil pump assembly directly replaces the following OEM part numbers:

• Isuzu: 8-97147338-0, 8971473380

Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This oil pump is specifically designed for the Isuzu 4HF1 turbo-diesel engine. This engine is commonly found in Isuzu NPR66 and similar medium-duty truck platforms. For precise vehicle application, please confirm your engine model and chassis number.

Global Supply & Distribution

We are a trusted supplier in the global automotive aftermarket. Our logistics network ensures reliable shipping to key industrial hubs and ports worldwide, including:

• North America: Fast container shipping to major US and Canadian ports.
• Europe: Efficient delivery to EU member states and the UK.
• Asia-Pacific: Strong supply lines to Southeast Asia, Australia, and Japan.
• Middle East & Africa: Extensive experience supplying to regional distributors.

All exports are handled with full commercial documentation and compliance with international trade regulations.

Quality Assurance

Our commitment to quality is paramount. This oil pump is produced under strict quality control systems. Every batch is subject to dimensional inspection and functional testing to ensure it delivers specified oil pressure and flow. We stand behind our products with a competitive warranty, offering peace of mind for your business and your customers.

FAQ

Q: Is this a complete oil pump assembly ready for installation?
A: Yes, this product is supplied as a complete assembly, typically including the pump housing, gears, and relief valve, designed for direct bolt-on replacement of the original unit.

Q: What should I check before installing this oil pump on a 4HF1 engine?
A: Prior to installation, it is critical to inspect the engine’s oil pickup tube and screen for debris or blockage. We also recommend priming the new pump with clean engine oil before starting the engine to prevent dry start-up and ensure immediate lubrication.

Q: Do you support bulk orders for wholesale or distribution businesses?
A: Absolutely. We specialize in B2B transactions and offer competitive pricing for container loads (FCL) and mixed pallet orders. Contact our sales team for a customized quote and to discuss logistics to your destination country.

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 .