Product Details
Product Overview
This high-precision Fuel Injection Pump Plunger Element is a direct replacement for Lucas CAV DPA and DPS fuel injection pumps. Designed for B2B supply chains globally, this component is essential for maintaining optimal fuel metering and injection timing in diesel engines. We export worldwide, serving major markets in North America, Europe, Southeast Asia, the Middle East, and South America, ensuring fast and reliable delivery to your warehouse or workshop.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM specifications (7.5mm diameter, right-hand helix) for accurate fuel delivery and engine performance.
- Superior Durability: Constructed from high-grade alloy steel with a hardened and ground surface to resist wear and extend service life.
- Direct Fitment: Designed as a direct replacement for Lucas CAV pump elements, minimizing installation time and ensuring a perfect seal.
- Reliable Operation: Ensures consistent injection pressure and volume, reducing engine knock, smoke, and fuel consumption.
- Rigorous Testing: 100% inspected for dimensional accuracy and surface finish before shipment to guarantee performance.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 512505-31 |
| Alternate Number | 00027-1006 |
| Type | Plunger & Barrel Assembly |
| Plunger Diameter | 7.5 mm |
| Helix Direction | Right Hand |
| Application | Fuel Injection Pump |
| Condition | New |
| Material | High-Grade Alloy Steel |
| Warranty | 6 Months |
| Single Package Size | 8 x 2 x 2 cm |
| Single Gross Weight | 0.150 kg |
OEM Cross-Reference
This plunger element directly replaces or is cross-referenced with the following OEM numbers:
- Lucas CAV: 512505-31, 00027-1006
- Associated Part Numbers: 512505, 271006
Compatibility
This plunger element is designed for use in Lucas CAV DPA and DPS fuel injection pumps. It is commonly used in a wide range of agricultural, industrial, and automotive diesel engines, including those found in:
- Tractors (Ford, Massey Ferguson, John Deere)
- Construction Equipment (JCB, Caterpillar)
- Marine Engines
- Stationary Generators
Always verify your existing pump model and plunger diameter (7.5mm) and helix direction (Right) before ordering.
Global Supply & Distribution
We are a dedicated supplier of diesel engine components with a robust global logistics network. We offer:
- Worldwide Shipping: Reliable shipping via DHL, FedEx, UPS, and sea freight to meet your delivery requirements.
- Major Markets: Extensive export experience to North America, Europe, Southeast Asia, the Middle East, Africa, and South America.
- Fast Delivery: Standard lead time of 3-7 working days for in-stock items. Bulk orders can be shipped to major ports like Rotterdam, Los Angeles, Shanghai, and Dubai.
- Flexible MOQ: Low minimum order quantity of 12 pieces to support both small workshops and large distribution centers.
Quality Assurance
We prioritize quality to ensure your engine runs at peak efficiency. Our quality assurance process includes:
- ISO Standard Manufacturing: Produced in facilities that adhere to strict international quality management systems.
- Material Integrity: Use of high-grade alloy steel with precise heat treatment for optimal hardness and wear resistance.
- Dimensional Accuracy: Each plunger and barrel set is matched and tested for perfect clearance and leak-tightness.
- Warranty: Backed by a 6-month warranty against manufacturing defects.
FAQ
Q: How do I confirm this plunger is the correct fit for my pump?
A: First, check the part number on your existing plunger element. It should match 512505-31 or 00027-1006. Second, measure the plunger diameter (must be 7.5mm). Finally, check the helix direction; this unit has a right-hand helix. If you are unsure, please send us a picture of your old part for verification.
Q: What is the typical installation procedure for this plunger element?
A: Installation should be performed by a qualified diesel technician. The process generally involves disassembling the pump head, carefully removing the old plunger and barrel assembly, cleaning the bore, and installing the new unit with proper lubrication. It is critical to maintain absolute cleanliness to prevent contamination and premature failure.
Q: What is the expected service life of this plunger element?
A: The service life depends on the quality of the diesel fuel, the condition of the fuel filtration system, and the operating environment. Under normal conditions with clean fuel, this high-quality element can last for several thousand hours of operation. Regular fuel filter changes will significantly extend its lifespan.
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 .
FAQ
Common Product Inquiry Questions
How can I confirm this part matches my engine or injector model?
Send the OEM number, engine model, application, or clear product photos. We will help verify the suitable part before quotation.
Can I ask for packing, shipping, and delivery details together?
Yes. You can combine product confirmation, quantity, destination, packing request, and shipment method in one inquiry so the quotation is more complete.
Why is price not displayed on the page?
This catalog is built for B2B inquiry. Final pricing depends on the confirmed part number, quantity, stock situation, and shipping destination.
What information helps you quote faster?
Please include the OEM number, engine model, quantity, destination country, and any packing or shipping preference. This usually speeds up matching and quotation.
Inquiry Desk
Send Product Inquiry
Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.
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Quick Inquiry
Lucas CAV DPA Fuel Injection Pump Plunger Element 512505-31 00027-1006 7.5mm Right Hand
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
- Add quantity, destination, and packing needs for a faster quote.
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Inquiry Desk
Send Inquiry
Quick contact for this product. OEM number is attached automatically.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.