Product Overview

This high-precision A222 Plunger Barrel Assembly, with OEM number 131152-8220, is a critical component for diesel engine fuel injection systems. Designed for direct replacement and repair, this plunger element ensures optimal fuel metering and injection pressure. We are a leading supplier based in Shandong, China, serving a global B2B clientele with reliable, cost-effective engine parts shipped to North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

• Premium Material: Manufactured from high-speed steel for exceptional wear resistance and long service life under high-pressure conditions.
• Precision Engineering: Produced to standard size specifications, ensuring a perfect fit and reliable performance for fuel injection pumps.
• Cost-Effective Solution: Offers a direct replacement for OEM parts 131152-8220 and A222 at competitive factory-direct prices, ideal for high-volume B2B orders.
• Rigorous Quality Control: Each unit is tested for dimensional accuracy and sealing performance to guarantee trouble-free operation.
• Compact & Durable: Lightweight design (0.06kg) with robust construction, minimizing shipping costs without compromising durability.

Technical Specifications

OEM Cross-Reference

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

• 131152-8220 (Primary OEM Number)
• A222 (Alternate Model/Part Number)

Compatibility

• Engine Applications: Designed for a wide range of diesel engines used in passenger cars, light trucks, and industrial machinery.
• Vehicle Fitment: Suitable for diesel engine cars requiring the A222 plunger element.
• System: Specifically for use in mechanical or electronic fuel injection pump assemblies.

Global Supply & Distribution

We provide efficient worldwide shipping to major industrial hubs and ports, including:

• North America: Los Angeles, Houston, Toronto
• Europe: Rotterdam, Hamburg, Felixstowe
• Asia-Pacific: Singapore, Dubai, Sydney
• Middle East & Africa: Jebel Ali, Durban

With our strategic location in Shandong, we ensure fast dispatch and competitive freight rates for B2B orders. We specialize in export documentation and customs compliance for global trade.

Quality Assurance

• Manufacturing Standards: Produced under strict ISO quality management systems to ensure consistency and reliability.
• Testing: Each plunger assembly undergoes dimensional inspection and pressure testing before shipment.
• Warranty: Backed by a 4-month warranty against manufacturing defects, providing peace of mind for bulk buyers.

FAQ

Q1: Is this plunger assembly compatible with my existing fuel injection pump?
A1: This A222 plunger is a standard-size element. It is designed to fit most fuel injection pumps that use the 131152-8220 or A222 specification. We recommend verifying your pump model and comparing the dimensions (8x3x2.5 cm) to ensure a proper fit before ordering.

Q2: What is the recommended installation procedure?
A2: Installation should be performed by a qualified diesel mechanic. The plunger must be installed with extreme cleanliness to prevent contamination. Lubricate the assembly with clean diesel fuel or engine oil during installation. Ensure the barrel is correctly aligned and torqued to the manufacturer’s specifications to avoid binding or leakage.

Q3: How should I maintain this plunger for long service life?
A3: Longevity depends on fuel quality. Always use clean, filtered diesel fuel and replace fuel filters regularly. If you notice hard starting, poor idle, or black smoke, inspect the plunger for wear or scoring. The high-speed steel material offers excellent durability, but contaminated fuel will accelerate wear.