Product Overview

This high-precision Fuel Pump Barrel and Plunger Assembly (Models M37, M38, M14) is a critical component for diesel engine fuel injection systems. Manufactured in Shandong, China, with rigorous quality control, this new replacement part is designed to restore optimal fuel delivery and engine performance in diesel trucks and vehicles. Our parts are shipped globally to markets in North America, Europe, Southeast Asia, the Middle East, and Africa, serving B2B clients including auto parts distributors, repair shops, and fleet maintenance centers.

Key Features & Benefits

• Premium Material: Constructed from high-speed steel for exceptional wear resistance and long service life.
• Precision Engineering: Designed to exact OEM specifications (M37, M38, M14) for a perfect fit and reliable sealing.
• 100% Tested Quality: Every unit undergoes professional testing to ensure optimal fuel pressure and injection timing.
• Direct Replacement: Ideal for repairing or replacing worn plunger and barrel sets in diesel fuel injection pumps.
• Cost-Effective Solution: High-quality aftermarket alternative to expensive OEM parts, reducing maintenance costs.
• Lightweight Design: Weighing just 0.5 kg, it is easy to handle and ship.

Technical Specifications

OEM Cross-Reference

This plunger and barrel assembly is designed to meet or exceed the specifications of the following OEM numbers:

• M37 (Primary Number)
• M38 (Alternative Fitment)
• M14 (Alternative Fitment)

Note: Please verify your specific pump model and original part number to ensure compatibility. Our parts are designed as direct replacements for these common diesel injection pump components.

Compatibility

• Engine Type: Diesel Engines (for trucks, commercial vehicles, and agricultural machinery)
• Vehicle Application: Diesel Truck and Car Engines (inline fuel injection pumps)
• System: Fuel Injection Pump (Plunger & Barrel Assembly)

Global Supply & Distribution

We are a dedicated B2B supplier of diesel engine parts with extensive export experience. Our logistics network supports fast and reliable shipping to major industrial hubs worldwide.

• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, Korea, Australia, India), Middle East (UAE, Saudi Arabia), Africa (Nigeria, South Africa), and South America (Brazil, Argentina).
• Shipping Options: We offer flexible shipping via sea freight (FOB/CIF), air freight, and express courier (DHL, FedEx, UPS) to meet your delivery deadlines.
• Fast Delivery: Standard delivery time to major ports is 7-15 days for sea freight and 3-7 days for express shipping.
• Trade Compliance: All orders are handled with proper documentation for international customs clearance.

Quality Assurance

• Manufacturing Standards: Parts are manufactured in accordance with industry standards for diesel fuel injection components.
• Testing: Each unit undergoes a 100% professional inspection to ensure dimensional accuracy, surface finish, and sealing performance.
• Warranty: We provide a 4-month warranty against manufacturing defects, ensuring peace of mind for your inventory and repairs.

FAQ

Q1: How do I confirm this M37 plunger is compatible with my fuel injection pump?
A: Please check the model number stamped on your existing plunger and barrel set. This assembly is specifically designed for M37, M38, and M14 series pumps. For best results, measure the outer diameter and length of your original part to compare with the dimensions of our unit (packaged at 15x8x6.5 cm). If you are unsure, contact our support team with your pump’s make and model number.

Q2: What is the recommended installation procedure for this plunger and barrel assembly?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: 1) Thoroughly clean the pump housing. 2) Lubricate the new plunger with clean diesel fuel or assembly oil. 3) Carefully insert the barrel and plunger into the pump housing, ensuring no dirt enters. 4) Torque all components to manufacturer specifications. 5) Prime the fuel system and check for leaks before starting the engine. Incorrect installation can lead to pump damage or poor performance.

Q3: How can I maximize the lifespan of this plunger and barrel set?
A: The lifespan of your fuel injection components depends heavily on fuel quality and maintenance. Use clean, high-quality diesel fuel and replace your fuel filters regularly. Ensure the fuel injection pump is properly lubricated and that there is no air in the system. Our high-speed steel construction provides excellent durability under normal operating conditions. Regular inspection of the pump for wear is recommended every 100,000 km or as per your engine manufacturer’s schedule.