Product Overview

This high-quality A836 fuel injection plunger (OEM 131150-4820 / 1311504820) is a precision-engineered component designed for reliable performance in diesel fuel injection systems. Manufactured to standard specifications, this plunger ensures optimal fuel pressure and delivery for efficient engine operation. We supply to a global network of distributors, repair shops, and fleet managers across North America, Europe, Asia-Pacific, and the Middle East, providing a cost-effective replacement solution for your fuel system needs.

Key Features & Benefits

• Premium Quality Control: Manufactured using high-grade materials and precision machining to ensure dimensional accuracy and a long service life.
• Direct Fit Replacement: Designed as a standard size, direct replacement for the original part, minimizing downtime during installation.
• Reliable Fuel Delivery: Engineered to maintain consistent high pressure within the injection system, improving combustion efficiency and engine performance.
• Rigorous Testing: Each unit undergoes strict quality checks to guarantee performance and durability under demanding operating conditions.
• Cost-Effective Solution: Offers a balance of OEM-quality performance at a competitive price point for B2B buyers.

Technical Specifications

OEM Cross-Reference

This plunger is a direct replacement for the following OEM part numbers:

• Primary OEM: 131150-4820
• Secondary OEM: 1311504820
• Model Number: A836

Please verify your existing part number against this list before purchasing.

Compatibility

This plunger is designed for use in standard car engine fuel injection systems. While the primary application is for passenger car diesel engines, it is essential to confirm fitment by cross-referencing the OEM part number (131150-4820 or 1311504820) and model number (A836) with your specific engine and injection pump model.

Global Supply & Distribution

• Worldwide Shipping: We ship globally via DHL, FedEx, EMS, TNT, and UPS to ensure fast and reliable delivery.
• Major Markets Served: Our products are supplied to North America, Europe, Southeast Asia, the Middle East, Africa, and Oceania.
• Fast Dispatch: Orders are processed and dispatched from our Shandong warehouse within 3-7 days.
• International Compliance: We have extensive experience in export documentation and logistics, ensuring smooth customs clearance for our B2B partners.

Quality Assurance

We are committed to providing high-quality components. Our manufacturing process adheres to strict quality control standards. Each plunger is inspected for dimensional accuracy and material integrity. We back our products with a 6-month warranty against manufacturing defects, and our dedicated customer service team is available 24 hours a day to address any concerns.

FAQ

Q1: How do I confirm this plunger (A836 / 131150-4820) will fit my injection pump?
A: The most reliable method is to remove your existing plunger and check the OEM number stamped on it. If it matches 131150-4820, 1311504820, or model A836, this part is a direct standard-size replacement. You can also provide your injection pump model to our sales team for verification.

Q2: What is the recommended installation procedure for this high-pressure plunger?
A: Installation should be performed by a qualified diesel technician. The work area must be extremely clean. Lubricate the plunger with clean diesel fuel or assembly oil before insertion. Ensure the plunger is not forced or dropped, as this can damage the precision-machined surfaces. Always replace the associated delivery valve and seal kit for optimal performance.

Q3: What maintenance is required after installing a new plunger?
A: After installation, check for fuel leaks and ensure the injection timing is correctly set. For the first few hours of operation, monitor the engine for any unusual sounds or performance issues. Using high-quality, clean diesel fuel and maintaining your fuel filter will significantly extend the life of the new plunger.