
Product Overview
This is a high-precision K334 Plunger, a critical component within the fuel injection system of diesel engines. Engineered to meet or exceed OEM specifications, this part is essential for maintaining optimal fuel pressure and injection timing. We supply this component globally to major industrial and automotive markets, supporting the maintenance and repair of heavy machinery and commercial vehicles worldwide.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and reliable performance, ensuring seamless integration with your K334 engine.
- Enhanced Durability: Crafted from high-grade materials to withstand the high pressures and rigorous operating conditions of diesel fuel systems, promoting long service life.
- Optimized Engine Performance: Ensures precise fuel metering and consistent injection pressure, which is crucial for maintaining engine power, fuel efficiency, and reducing emissions.
- Rigorous Quality Control: Each plunger undergoes stringent inspection processes, supported by available machinery test reports and video outgoing-inspection documentation.
- Direct Replacement: Designed as a direct-fit replacement part, simplifying the repair process and minimizing equipment downtime.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Plunger (Fuel Injection) |
| Compatible Engine Model | K334 |
| Engine Type | Diesel |
| Dimensions | OEM Standard Size |
| Weight | Approximately 1 kg |
| Warranty | 6 Months |
| Packing | Plastic Bag, Box, Carton |
| Selling Units | Single Item |
| Place of Origin | Guangdong, China |
OEM Cross-Reference
This K334 plunger is manufactured as a direct replacement for the original equipment part. For confirmation of exact interchangeability, please consult your engine’s parts manual or contact our technical support with your specific OEM part number. We specialize in providing cross-reference data for global part numbers.
Compatibility
This plunger is specifically designed for engines utilizing the K334 model fuel injection pump. It is commonly applied in a wide range of heavy-duty diesel-powered machinery, including but not limited to:
- Material Handling: Forklifts
- Construction & Mining: Excavators, Loaders, Bulldozers
- Transportation: Trucks, Buses
- And Other industrial and agricultural equipment powered by the compatible K334 diesel engine.
Global Supply & Distribution
We are a trusted B2B supplier with extensive experience in international logistics and trade compliance. Our network ensures efficient delivery to key industrial regions globally.
- Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, France, Italy), Asia-Pacific (Australia, Japan, Southeast Asia), the Middle East, and South America.
- Efficient Logistics: We coordinate shipments to major seaports and air freight hubs to ensure timely delivery to your city or regional distribution center.
- Export-Ready Packaging: All parts are packed securely in cartons to withstand international shipping, with clear labeling for easy customs clearance.
Quality Assurance
Our commitment to quality ensures you receive reliable components that meet professional repair standards.
- Manufacturing Standards: Produced in ISO-compliant facilities using advanced machining and hardening processes.
- Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your business.
- Verifiable Testing: Quality is verified through machinery test reports. Optional video outgoing-inspection is available upon request to document the condition and specification of your order prior to shipment.
FAQ
Q: How can I confirm this plunger is the correct part for my specific engine?
A: The primary identifier is the engine model (K334). We strongly recommend verifying the part number from your engine’s service manual or the old component. Our technical team can assist with cross-referencing if you provide any existing numbers or engine serial details.
Q: What precautions should be taken during installation?
A: Installation should be performed by a qualified technician. The fuel injection system is precision-critical. Ensure absolute cleanliness to prevent contamination. The pump housing and the new plunger must be lubricated with clean diesel fuel during assembly. Always follow the OEM service procedure for timing and calibration.
Q: What is covered under the 6-month warranty?
A: The warranty covers defects in material and workmanship under normal use. It does not cover damage resulting from improper installation, misuse, contamination of the fuel system, or failure to follow recommended service procedures. Proof of purchase and, if requested, the returned part are required for warranty claims.
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 .