Product Overview

This high-quality Fuel Plunger A701 (OEM Cross: 131153-2220) is a precision-engineered component designed for A-Type diesel fuel injection pumps. Manufactured in Shandong, China, this plunger element is a new, direct replacement part ideal for maintenance and repair of heavy-duty diesel engines. We offer global shipping, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Africa, ensuring fast delivery to industrial hubs and ports worldwide.

Key Features & Benefits

• High Precision Fit: Manufactured to strict tolerances for optimal plunger and barrel clearance, ensuring efficient fuel delivery and consistent engine performance.
• Superior Durability: Made from high-quality alloy steel with advanced heat treatment, providing excellent wear resistance and a long service life under high-pressure conditions.
• Reliable Replacement: A totally new component, not a remanufactured unit, guaranteeing reliability and restoring original fuel injection system performance.
• Cost-Effective Solution: Directly replaces worn or failed plungers, preventing costly fuel system damage and reducing engine downtime.
• Optimized for B2B Supply: Available in bulk (MOQ: 48 Pcs) with professional packaging, ideal for workshop inventory, distributors, and fleet maintenance.

Technical Specifications

OEM Cross-Reference

This plunger element is a direct replacement for the following original equipment manufacturer (OEM) part numbers:

• Main Part Number: A701
• Cross Reference: 131153-2220

Note: This part is designed to fit standard A-Type fuel injection pumps. Always verify your pump model and plunger size (typically 9mm or 10mm diameter for A-Type) to ensure compatibility.

Compatibility

This A-Type Plunger Element (A701) is specifically designed for use in diesel engines equipped with Bosch or equivalent A-Type in-line fuel injection pumps. Common applications include:

• Engine Types: Industrial diesel engines, agricultural tractor engines, and marine auxiliary engines.
• Common Applications: Used in various Chinese, Japanese, and European engine models that utilize A-Type pump configurations. It is not specific to a single vehicle make but rather to the fuel pump system.

Please confirm your pump model is an A-Type before purchasing. For specific engine compatibility, consult your engine’s service manual.

Global Supply & Distribution

We specialize in the international trade of diesel engine parts, ensuring reliable supply chains for our B2B partners.

• Worldwide Shipping: We ship via sea, air, and express couriers (DHL, FedEx, UPS) to all major global destinations.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, South Korea, Australia, India), Middle East (UAE, Saudi Arabia), Africa (Nigeria, South Africa), and South America (Brazil, Chile).
• Fast Delivery: Stock is available for immediate dispatch to major ports (Shanghai, Qingdao) and airports, with typical transit times of 5-15 days depending on the method.
• Export Experience: We have extensive experience in international customs clearance and compliance, ensuring smooth delivery to your doorstep or warehouse.

Quality Assurance

We are committed to providing parts that meet or exceed OEM standards.

• Manufacturing Standard: Produced in ISO-certified facilities with strict quality control processes.
• Testing: Each plunger element undergoes rigorous dimensional and surface finish inspection to ensure precise fitment and leak-free performance.
• Warranty: We offer a standard warranty against manufacturing defects. Please contact our professional service team for warranty terms and support.

FAQ

Q1: How do I ensure this A701 plunger fits my pump?
A: This plunger is designed for standard A-Type injection pumps. The primary fitment factor is the plunger diameter. Please measure the diameter of your old plunger or consult your pump data plate. Common A-Type plunger diameters are 9mm or 10mm. The part number A701 typically corresponds to a specific diameter and helix configuration. Verify your existing part number (e.g., 131153-2220) for a direct match.

Q2: What is the recommended installation procedure for a fuel plunger?
A: Installation requires precision and cleanliness. 1) Clean the pump housing thoroughly. 2) Lubricate the new plunger and barrel with clean diesel fuel or assembly oil. 3) Carefully insert the barrel into the pump housing, ensuring the alignment pin fits the slot. 4) Insert the plunger, matching the control sleeve notch. 5) Torque the delivery valve holder to the manufacturer’s specification. We recommend professional installation by a qualified diesel fuel injection technician.

Q3: Can I replace just one plunger, or should I replace the whole set?
A: For optimal engine performance and balanced fuel delivery, it is highly recommended to replace all plungers and delivery valves in the pump as a complete set. Worn plungers will have varying fuel output, leading to engine vibration, reduced power, and increased emissions. Replacing a single plunger is a temporary fix; a full set replacement ensures consistent performance and longevity.