Product Overview

This is a high-precision Diesel Fuel Injection Pump Plunger, manufactured by Original Element under part number 9443610664 (A775). Designed as a direct replacement for Bosch components, it is engineered to restore optimal fuel delivery and engine performance in demanding commercial and industrial diesel applications. We supply this critical engine part to B2B buyers and distributors worldwide, with major markets including North America, the European Union, the Middle East, and the Asia-Pacific region.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM tolerances for a perfect fit and reliable operation within the fuel injection pump assembly.
• Enhanced Durability: Crafted from high-grade materials to withstand extreme pressures and resist wear, ensuring long service life and reduced downtime.
• Optimal Fuel Economy: Precise machining ensures accurate fuel metering, helping to maintain factory-specified fuel efficiency and reduce operational costs.
• Restored Engine Performance: Corrects issues related to power loss, rough idling, or excessive smoke by ensuring proper fuel pressure and volume.
• Global Compliance: Produced for the international aftermarket, suitable for use in various global regions and engine configurations.

Technical Specifications

OEM Cross-Reference

This part is a direct interchange for the following OEM numbers:

• Bosch: 131153-9620
• Original Element: 9443610664, A775

Compatibility

This plunger is designed for use in specific Bosch-type diesel fuel injection pumps. It is critical to verify the pump model and existing part number before purchase. Typically compatible with a range of medium and heavy-duty diesel engines used in:

• Commercial Trucks & Buses
• Industrial & Agricultural Machinery
• Marine & Generator Set Engines

Note: Compatibility is determined by the injection pump model, not the vehicle make/model alone. Always cross-reference the pump’s OEM part number (e.g., 131153-9620) for confirmation.

Global Supply & Distribution

We are a specialist supplier to the global automotive aftermarket. Our logistics network ensures reliable delivery to key industrial hubs worldwide.

• Worldwide Shipping: Available via air and sea freight to all major markets.
• Key Regions Served: North America (USA, Canada, Mexico), European Union (Germany, UK, Poland, Benelux), Asia-Pacific (Australia, Japan, Southeast Asia), Middle East & Africa.
• Efficient Logistics: Fast dispatch to major ports including Rotterdam, Los Angeles, Singapore, and Jebel Ali.
• Export Expertise: All documentation, including commercial invoices and certificates of origin, is provided for smooth customs clearance in compliance with international trade regulations.

Quality Assurance

We partner with certified manufacturers to ensure every part meets rigorous performance standards.

• Manufacturing Standards: Produced using advanced CNC machinery and quality-controlled materials to match or exceed OEM specifications.
• Testing: Components undergo dimensional checks and material analysis to verify hardness, tolerance, and surface finish.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q: How do I confirm this plunger is compatible with my specific fuel injection pump?
A: Compatibility is determined by the OEM part number on the original plunger or the pump’s service manual. The key reference numbers for this part are 9443610664, A775, and the Bosch number 131153-9620. Match these to your existing component or technical documentation.

Q: What are the signs that a fuel injection pump plunger needs replacement?
A: Common symptoms include a noticeable loss of engine power, difficulty starting, excessive black or white exhaust smoke, irregular engine idling, and increased fuel consumption. These indicate the plunger may be worn and unable to maintain proper fuel pressure.

Q: Is professional installation required for this part?
A> Yes. Replacing a fuel injection pump plunger is a precision task that requires specialized tools, a clean environment, and expert knowledge of diesel fuel systems. Incorrect installation can lead to pump failure, engine damage, or safety hazards. We recommend installation by a qualified diesel technician.

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 .