Product Overview

This is a premium Lucas 512505-54 fuel injection plunger, engineered as a direct replacement for OEM part number 51250554. Designed for durability and precision in diesel fuel injection systems, this component is manufactured to meet stringent quality standards. We supply this critical part to a global network of distributors, workshops, and heavy machinery operators, with major markets across North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and optimal fuel metering.
• Enhanced Durability: Made from high-grade materials to withstand high-pressure cycles and resist wear, ensuring long service life.
• Improved Engine Performance: Ensures precise fuel delivery for consistent engine power, fuel efficiency, and reduced emissions.
• Reliable Replacement: Provides a cost-effective solution for repair and maintenance, minimizing equipment downtime.
• Global Compliance: Packaged for international shipment and ready for integration into supply chains worldwide.

Technical Specifications

OEM Cross-Reference

This high-quality plunger is a direct interchange for the following part numbers:

• Lucas: 512505-54, 51250554

Always verify part number compatibility with your specific injection pump model before ordering.

Compatibility

This Lucas-design plunger is compatible with a range of diesel engines utilizing the corresponding Lucas/Denso fuel injection pump models. It is commonly used in various industrial, automotive, and heavy machinery applications. For precise fitment, please confirm the OEM part number (512505-54 or 51250554) from your original component or equipment manual.

Global Supply & Distribution

We are a specialist supplier to the global heavy equipment aftermarket. Our logistics network ensures reliable delivery to key industrial hubs and ports worldwide.

• Worldwide Shipping: We ship via major carriers including DHL, FedEx, UPS, TNT, and EMS.
• Major Markets Served: We regularly supply partners in the United States, Canada, Germany, UK, Australia, UAE, Saudi Arabia, and Southeast Asia.
• Fast Delivery: Standard delivery time is 3-7 days to most major destinations, with stock ready for immediate dispatch.
• Export Expertise: All documentation is handled professionally for smooth customs clearance. We accept T/T, PayPal, and Western Union for international transactions.

Quality Assurance

Every component is subject to a rigorous quality control process to ensure it meets performance and dimensional specifications.

• Manufacturing Standards: Produced in a certified facility using advanced CNC machining and honing processes.
• Warranty: Backed by a 6-month warranty against manufacturing defects.
• Testing: Critical dimensions and surface finishes are verified to guarantee proper fit and function within the injection pump assembly.

FAQ

Q1: How do I confirm this plunger is the correct part for my injection pump?
A1: The most reliable method is to match the part number. Remove the old plunger and check for the stamped OEM number (512505-54 or 51250554). You can also cross-reference your pump’s model number with our part listing.

Q2: What is the Minimum Order Quantity (MOQ)?
A2: The MOQ for this item is 10 pieces. This allows us to maintain competitive pricing for our B2B clients, including workshops and parts distributors.

Q3: Are there any special installation precautions for this fuel injection plunger?
A3: Yes. Installation must be performed in an ultra-clean environment to prevent contamination. The plunger and its mating bore in the pump must be lubricated with clean diesel fuel during assembly. We recommend this critical repair be performed by a qualified diesel fuel injection technician.

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 .