Product Overview

This high-precision Diesel Injection Pump Plunger, model A172 with OEM number 131152-4320, is a critical component designed for Isuzu 4BC2, 4D31T, and 4BE1 diesel engines. Manufactured in Shandong, China, this plunger element is engineered to meet or exceed OEM standards, ensuring optimal fuel delivery and engine performance. We provide global shipping to major industrial markets including North America, Europe, Southeast Asia, the Middle East, and Africa, with fast logistics to ports and distribution centers worldwide.

Key Features & Benefits

• Premium Material: Crafted from High-Speed Steel for exceptional wear resistance and long service life under high-pressure conditions.
• Precision Engineering: Standard size with tight tolerances ensures a perfect seal and consistent fuel metering, reducing fuel consumption and emissions.
• 100% Professional Tested: Every plunger undergoes rigorous quality checks to guarantee reliable performance and durability.
• Direct Fitment: Designed as a direct replacement for OEM part 131152-4320, ensuring hassle-free installation and compatibility.
• Reliable Supply: With a supply capacity of 5000 pieces per month, we ensure consistent stock availability for bulk B2B orders.

Technical Specifications

OEM Cross-Reference

This injection pump plunger is a direct replacement for the following OEM and reference numbers:

• OEM Number: 131152-4320
• Model Number: A172
• Alternative Reference: A172 Element

Compatibility

This plunger is designed for use in the following engine models and vehicle applications:

• Engine Models: Isuzu 4BC2, 4D31T, 4BE1
• Vehicle Application: Diesel cars and light commercial vehicles equipped with these Isuzu engines
• Fuel System: In-line injection pumps (A Series)

Global Supply & Distribution

We are a reliable supplier serving the international B2B market with efficient logistics and trade compliance:

• Worldwide Shipping: We ship to all major regions including North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Major Ports: Fast delivery to key ports such as Los Angeles, Rotterdam, Shanghai, Dubai, and Singapore.
• Supply Capacity: 5000 pieces per month, ensuring stable supply for large-scale orders.
• Payment Options: T/T, Western Union, and PayPal accepted for flexible transactions.
• Export Experience: Years of experience in international trade with secure packaging and documentation.

Quality Assurance

Our diesel injection pump plungers are manufactured under strict quality control standards to ensure reliability and performance:

• Certifications: ISO 9001:2000 and TS 16949 certified manufacturing processes.
• Testing: 100% professional testing for dimensional accuracy, material hardness, and surface finish.
• Warranty: 1-year warranty against manufacturing defects, providing peace of mind for your purchase.
• Packaging: Industrial standard packaging with polyester bag and paper carton to prevent damage during transit.

FAQ

Q1: Is this plunger a direct replacement for my Isuzu 4BC2 engine’s injection pump?
A: Yes, the A172 plunger with OEM number 131152-4320 is designed as a direct fit for Isuzu 4BC2, 4D31T, and 4BE1 diesel engines. It is a standard size component that matches the original specifications. We recommend verifying your pump’s plunger model before ordering.

Q2: What maintenance is required after installing this plunger?
A: After installation, ensure the injection pump is properly calibrated by a professional technician to match the engine’s fuel delivery requirements. Regularly check for fuel leaks and monitor engine performance. Using clean, high-quality diesel fuel and replacing fuel filters as recommended will extend the life of the plunger.

Q3: Can I order a sample before placing a bulk order?
A: Yes, while the MOQ is 6 pieces, we can discuss sample requests for testing purposes. Please contact our sales team to arrange a sample order. Bulk orders benefit from our high supply capacity of 5000 pieces per month, ensuring fast turnaround times.