Product Overview

This is a genuine Zexel fuel injection pump plunger, part number 131151-7320 (A89), engineered for the Isuzu 6BF1 diesel engine. As a leading supplier in the global heavy-duty parts market, we provide reliable OEM-quality components with direct shipping to major industrial hubs across North America, Europe, Asia-Pacific, and the Middle East. This critical component is essential for maintaining optimal fuel delivery and engine performance in commercial truck fleets.

Key Features & Benefits

• Genuine Zexel Quality: Manufactured to original equipment specifications, ensuring perfect fitment and reliable performance.
• Precision Engineered: High-precision machining guarantees consistent fuel metering and injection timing for the 6BF1 engine.
• Enhanced Durability: Manufactured from high-grade materials to withstand the high pressures and wear of diesel fuel systems.
• Optimal Engine Performance: Restores factory-level fuel efficiency, power output, and emission control when replacing worn components.
• Global Availability: Supported by our international logistics network for fast delivery to workshops and distributors worldwide.

Technical Specifications

OEM Cross-Reference

This genuine Zexel part corresponds directly to the following OEM numbers:

• Zexel: 131151-7320, A89

Note: Always verify part numbers against your engine’s injection pump model for absolute compatibility.

Compatibility

This fuel injection plunger is designed specifically for use in Zexel fuel injection pumps fitted to the following application:

• Engine Model: Isuzu 6BF1 Diesel Engine
• Vehicle Applications: Primarily found in Isuzu commercial trucks and buses utilizing the 6BF1 powerplant.
• Typical Model Years: Applicable to various model years of the Isuzu 6BF1 engine series. Consult service documentation for specific vehicle fitment.

Global Supply & Distribution

We specialize in the international distribution of critical engine components. Our supply chain is optimized for B2B clients worldwide.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, Southeast Asia, the Middle East, and Africa.
• Fast Logistics: Efficient shipping to key ports and industrial centers via air and sea freight. Consolidated container options are available for large orders.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is provided for smooth customs clearance.
• B2B Focus: Dedicated support for wholesalers, distributors, and large fleet operators with competitive pricing for bulk purchases.

Quality Assurance

We guarantee the authenticity and performance of every part we supply.

• OEM Standard: This is a genuine Zexel component, meeting all original factory specifications and material standards.
• Rigorous Inspection: Each part undergoes visual and dimensional checks to ensure it is free from defects and meets precise tolerances.
• Reliability: Designed for long service life and reliable operation under the demanding conditions of commercial trucking.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact our sales team for specific warranty terms.

FAQ

Q1: How do I confirm this plunger is the correct part for my Isuzu 6BF1 engine’s injection pump?
A1: The surest method is to cross-reference the part number stamped on your original injection pump or the old plunger itself with our listed number (131151-7320 or A89). We recommend consulting the engine’s service manual or contacting our technical support with your pump model number.

Q2: What is the typical cause of failure for a fuel injection plunger, and what symptoms should I look for?
A2: Plungers typically fail due to wear, scoring, or corrosion from contaminated fuel. Symptoms include hard starting, rough idle, loss of engine power, excessive black smoke, and poor fuel economy. Regular fuel filter maintenance is crucial to prevent premature failure.

Q3: Do you provide technical support for international B2B customers regarding installation?
A3> Yes. While we supply the genuine component, we can provide access to relevant technical specifications and OEM documentation. For complex fuel injection pump overhaul procedures, we recommend the work be performed by a qualified diesel technician familiar with the Zexel system.

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 .