Product Overview

This high-precision Fuel Injection Pump Plunger & Barrel Assembly (OEM: A260 / 131154-1820) is a critical component for the reliable operation of ISUZU 4BE1 diesel engines. Manufactured to exacting OE specifications, this unit ensures optimal fuel metering, high injection pressure, and efficient combustion. As a trusted supplier from Shandong, China, we ship globally to over 40 countries, serving major markets in North America, Europe, Southeast Asia, the Middle East, and Africa. Our inventory ensures fast dispatch to industrial hubs and major ports worldwide.

Key Features & Benefits

• Precision Engineering: Constructed from high-speed steel with micron-level tolerances to ensure a perfect seal and consistent fuel delivery.
• Enhanced Durability: Heat-treated surface provides exceptional wear resistance, extending the service life of the fuel injection pump.
• Improved Engine Performance: Restores original engine power, reduces fuel consumption, and minimizes exhaust smoke compared to worn components.
• 100% Professional Testing: Every unit is tested for dimensional accuracy, surface finish, and hydraulic performance before shipment.
• Direct Replacement: OEM-compatible design ensures a plug-and-play fit without modifications.

Technical Specifications

OEM Cross-Reference

This product directly replaces the following OEM and reference numbers:

• ISUZU OEM: 131154-1820, A260
• Alternative Numbers: 1311541820

Compatibility

• Engine Model: ISUZU 4BE1 (Naturally Aspirated and Turbocharged variants)
• Vehicle Applications: ISUZU Elf (N-Series), NPR, NQR, and other light-duty trucks and buses equipped with the 4BE1 engine.
• System: Diesel fuel injection system (Inline pump type).

Global Supply & Distribution

We provide a reliable supply chain for international B2B buyers. Our logistics network supports:

• Worldwide Shipping: Air, sea, and express courier (DHL, FedEx, UPS) options available.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, Korea, Australia, Indonesia), Middle East (UAE, Saudi Arabia), and Africa (Nigeria, Kenya, South Africa).
• Fast Delivery: Shipped within 3 business days for in-stock items. Bulk orders (MOQ: 48 pcs) are prioritized for container loading.
• Trade Compliance: Experienced in export documentation, customs clearance, and international trade terms (FOB, CIF, EXW).

Quality Assurance

• Manufacturing Standards: Produced in a ISO-certified facility using precision grinding and lapping processes.
• Testing: 100% dimensional inspection and hydraulic pressure testing to ensure zero leakage and correct clearance.
• Warranty: 4-month warranty against manufacturing defects under normal operating conditions.

FAQ

Q: How do I confirm this plunger & barrel fits my ISUZU 4BE1 injection pump?
A: Please verify the part number stamped on your old plunger or pump body. The OEM numbers 131154-1820 or A260 are the direct match. This assembly is specifically designed for the ISUZU 4BE1 engine’s inline fuel pump.

Q: What is the recommended installation procedure?
A: Installation must be performed in a clean environment. Lubricate the plunger with clean diesel fuel before insertion. Ensure the plunger slides freely in the barrel without binding. Torque the retaining screws to manufacturer specifications. We recommend professional installation by a certified diesel technician.

Q: How can I maximize the lifespan of this fuel injection component?
A: Use high-quality, clean diesel fuel and replace the fuel filter regularly. Contaminated fuel is the primary cause of premature plunger wear. Also, ensure the injection pump timing is correctly set after installation to avoid excessive mechanical stress.