Product Overview

This high-precision Diesel Fuel Injector Pump Plunger (Part No. 131152-5320 / A183) is a direct replacement component designed for Nissan industrial diesel engines. Manufactured to meet strict OE specifications, this plunger and barrel assembly ensures accurate fuel metering and injection timing, restoring engine performance and fuel efficiency. As a trusted supplier from Shandong, China, we serve a global B2B clientele, providing essential engine parts for construction, agricultural, and marine applications to markets across North America, Europe, Southeast Asia, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel with micron-level tolerances for a perfect seal and optimal fuel pressure generation.
• Durability: Hardened and ground surface resists wear from fuel contaminants and high-pressure cycles, ensuring a long service life.
• Direct Fit: 100% new part, designed as a direct OEM replacement for the 131152-5320 and A183 assemblies. No modifications are required for installation.
• Restored Performance: Replaces worn plungers to eliminate hard starting, low power, excessive smoke, and uneven engine running.
• Cost-Effective Solution: Provides a high-quality alternative to purchasing an entire injection pump, offering significant savings on engine repairs.

Technical Specifications

OEM Cross-Reference

This plunger assembly is a direct replacement for the following Original Equipment Manufacturer (OEM) numbers:

• Main Part Number: 131152-5320
• Alternative Number: A183

Note: Always verify your original part number before purchase to ensure compatibility.

Compatibility

This fuel injection pump plunger is specifically designed for use in the following Nissan diesel engines:

• Nissan FE6B
• Nissan WO4DE
• Nissan WO6DE
• Nissan FE6

Vehicle Application: Primarily used in Nissan industrial diesel engines found in forklifts, generators, construction machinery, and heavy-duty trucks.

Global Supply & Distribution

We offer reliable global logistics to support your business operations, whether you are a workshop, distributor, or OEM parts supplier.

• Worldwide Shipping: We ship via sea, air, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, Poland), Middle East (UAE, Saudi Arabia), Southeast Asia (Thailand, Indonesia), and Africa.
• Fast Delivery: Efficient processing and dispatch from our warehouse in Shandong, China, to major ports and industrial centers globally.
• Trade Compliance: Experienced in international export documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in a certified facility utilizing precision grinding and lapping technology.
• Testing: Each plunger and barrel assembly is tested for dimensional accuracy, surface finish, and leak-tightness before packing.
• Warranty: Comes with a 4-month warranty against manufacturing defects in materials and workmanship.

FAQ

Q1: How do I know if this plunger (131152-5320) is the correct part for my engine?
A: This part is specifically designed for Nissan FE6B, WO4DE, and WO6DE engines. You must verify the part number stamped on your old plunger or the injection pump. The numbers 131152-5320 or A183 must match your existing component. If your engine is a different model, please consult your engine manual or contact us with your engine serial number.

Q2: What are the signs that my fuel injection pump plunger needs to be replaced?
A: Common symptoms include: difficulty starting the engine, especially when hot; a significant loss of engine power; black or white smoke from the exhaust; unstable idling (hunting); and excessive fuel consumption. A worn plunger cannot maintain the high pressure needed for proper fuel atomization.

Q3: Is this a complete injection pump or just the internal part?
A: This is a single Plunger and Barrel Assembly, which is the core internal component of the injection pump. It is not a complete pump. Installation requires mechanical knowledge and proper calibration of the pump after replacement to ensure correct fuel timing and output. We recommend installation by a qualified diesel injection technician.