Product Overview

This is a genuine-quality Zexel fuel injector plunger, a critical component for precise fuel metering and injection in diesel engines. Engineered for durability and performance, this part is essential for maintaining optimal engine efficiency and power output. We specialize in the global supply of heavy-duty engine components, serving major industrial markets across North America, Europe, Asia-Pacific, and the Middle East with reliable shipping and export compliance.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for perfect fitment and reliable operation within the fuel injection system.
• Enhanced Durability: Crafted from high-grade materials to withstand high-pressure fuel cycles and resist wear, ensuring a long service life.
• Optimal Engine Performance: Ensures precise fuel delivery, which is critical for maintaining engine power, fuel efficiency, and reducing harmful emissions.
• Direct OEM Replacement: Designed as a direct interchange for the original part, guaranteeing compatibility and restoring factory-level performance.
• Global Quality Standard: Produced under stringent quality control systems suitable for the international aftermarket and remanufacturing sectors.

Technical Specifications

OEM Cross-Reference

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

• Zexel: 140163-4420
• Zexel: 131154-1820-00

Note: Always verify part numbers against your specific injector model for confirmation.

Compatibility

This fuel injector plunger is designed for use in diesel engines utilizing the Zexel K336 model injection pump. It is commonly found in a range of commercial vehicles, industrial machinery, and generator sets. For precise application, please cross-reference the part numbers (140163-4420 or 131154-1820-00) with your engine’s service documentation or existing component.

Global Supply & Distribution

We are a trusted supplier in the global automotive parts network. Our logistics are optimized for fast, reliable delivery to key industrial hubs and ports worldwide, including:

• North America: Major ports in USA (LA, Long Beach, NY/NJ) and Canada (Vancouver).
• Europe: Key logistics centers in Rotterdam, Hamburg, and Antwerp.
• Asia-Pacific: Efficient shipping to Singapore, Shanghai, Busan, and Dubai.
• Middle East & Africa: Direct service to Jebel Ali (UAE) and Durban.

We handle all export documentation, customs clearance, and compliance for seamless international B2B transactions.

Quality Assurance

Every component is sourced from certified manufacturers adhering to ISO quality management standards. Parts undergo rigorous dimensional inspection and material verification to ensure they meet or exceed original performance specifications. We stand behind our products with a warranty and provide full traceability for professional buyers and engine rebuilders.

FAQ

Q: How do I confirm this plunger is compatible with my Zexel injector?
A: Compatibility is determined by the part number. Please match the numbers 140163-4420 or 131154-1820-00 from your old plunger or injector service manual. The K336 model reference also confirms it is for that specific pump series.

Q: What is the importance of replacing a worn injector plunger?
A: A worn plunger can cause inaccurate fuel delivery, leading to poor engine performance, increased fuel consumption, excessive smoke, and potential damage to other injection system components. Timely replacement is crucial for engine health.

Q: Do you supply technical specifications or installation guidelines?
A> Yes. Professional installation is recommended. We can provide relevant technical datasheets upon request. Critical installation steps include ensuring absolute cleanliness, proper lubrication with clean diesel fuel, and adherence to specified torque settings during reassembly.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .