Product Overview

This is a genuine Zexel fuel nozzle plunger, a critical component for ensuring precise fuel metering and injection in diesel engine pumps. Engineered and manufactured in Japan to the highest OEM standards, this part is essential for maintaining optimal engine performance and fuel efficiency. We supply this high-quality component globally, with extensive experience serving major markets across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Genuine Zexel Quality: Manufactured to original equipment specifications, ensuring perfect fit, function, and longevity.
• Precision Engineering: Produced with exacting tolerances for consistent fuel delivery and optimal combustion.
• Enhanced Durability: Made from high-grade materials to withstand high-pressure fuel injection cycles and resist wear.
• Restores Engine Performance: Replaces worn plungers to recover lost power, improve fuel economy, and reduce emissions.
• Reliable Supply: Sourced directly from trusted manufacturers, guaranteeing authenticity and availability for your fleet or workshop needs.

Technical Specifications

OEM Cross-Reference

This genuine Zexel plunger corresponds to the following part numbers. It is a direct replacement for these OEM references.

• Zexel: 140163-4220
• Primary Model: K334
• Compatible Models: K359, K336

Compatibility

This fuel nozzle plunger is designed for use in Zexel (formerly Diesel Kiki) fuel injection pumps, specifically models K334, K359, and K336. These pumps are commonly found in a wide range of industrial and commercial diesel engines from various manufacturers. For precise application, always verify your pump’s model number.

Global Supply & Distribution

We are a leading B2B supplier of genuine engine components with a robust international logistics network. We guarantee:

• Worldwide Shipping: Reliable export to all major continents and markets.
• Fast Delivery to Hubs: Efficient shipping to key industrial ports and logistics centers in North America (USA, Canada), Europe (Germany, Netherlands, UK), Asia (Singapore, Japan, UAE), and Australia.
• Export Compliance: All documentation, including commercial invoices, packing lists, and certificates of origin, is provided for smooth customs clearance.
• Bulk & Wholesale Support: Dedicated service for large orders, with competitive FOB/CIF terms and container load options.

Quality Assurance

Every part we supply is backed by our commitment to quality and customer satisfaction.

• 100% Genuine: We guarantee authentic Zexel components, not aftermarket imitations.
• Manufacturing Standard: Produced in ISO-certified facilities adhering to strict Japanese OEM quality control protocols.
• Rigorous Inspection: Each part undergoes visual and dimensional checks to ensure it meets original specifications.
• Warranty: All genuine parts come with a standard warranty against manufacturing defects. Please contact us for specific warranty terms.

FAQ

Q1: How do I confirm this plunger is compatible with my specific fuel injection pump?
A1: The surest method is to match the part number. This plunger is marked with the number 140163-4220. You should also verify the pump model (e.g., K334, K359, K336) stamped on the pump housing. Cross-reference with your engine’s service manual or consult with our technical team for confirmation.

Q2: What are the signs that my fuel nozzle plunger needs replacement?
A2: Common symptoms include hard starting, uneven engine idle, loss of power, excessive black smoke from the exhaust, and increased fuel consumption. These indicate wear in the injection pump, often starting with the plunger and barrel assembly.

Q3: Do you provide technical support for installation?
A3> While we supply the genuine component, installation of fuel injection pump internals requires specialized tools and expertise. We recommend the procedure be performed by a qualified diesel technician. We can provide general technical specifications and OEM part diagrams to assist professional mechanics.

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 .