Product Details
Product Overview
This high-precision Fuel Pump Barrel and Plunger Assembly (6N7527) is a critical component for the fuel injection system of heavy-duty diesel truck engines. Manufactured to strict OEM specifications, this assembly ensures optimal fuel metering, high injection pressure, and reliable engine performance. We serve a global clientele, with major markets in North America, Europe, Southeast Asia, the Middle East, and South America, ensuring fast and reliable shipping from our strategic distribution hub in Shandong, China.
Key Features & Benefits
- Premium Material: Constructed from high-speed steel for exceptional wear resistance and long service life, even under high-pressure operating conditions.
- Precision Engineering: Matched barrel and plunger sets ensure tight tolerances for minimal fuel leakage and maximum injection efficiency.
- Direct Replacement: Designed as a direct OE replacement (6N7527), requiring no modifications for a simple and quick installation.
- Enhanced Performance: Restores original engine power, reduces fuel consumption, and lowers emissions by ensuring a complete and precise fuel burn.
- Reliable Operation: Each unit undergoes rigorous testing to guarantee consistent performance and durability in demanding diesel engine environments.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 6N7527 |
| Product Name | Fuel Pump Barrel & Plunger Assembly |
| Condition | New |
| Material | High-Speed Steel |
| Application | Fuel Injection System |
| Purpose | Replace / Repair |
| Weight | 0.35 kg (Single Unit) |
| Package Size | 10 x 5 x 3 cm |
| Warranty | 4 Months |
| MOQ | 48 pcs |
OEM Cross-Reference
This product is a direct replacement for the following OEM part number(s):
- 6N7527 (Primary OEM Number)
Note: This part is designed to meet or exceed the specifications of the original manufacturer. Please verify your existing part number for exact compatibility.
Compatibility
- Engine Type: Diesel Truck Engines
- Vehicle Application: Heavy-duty diesel trucks and machinery utilizing the 6N7527 fuel injection plunger assembly.
- System: Inline fuel injection pumps.
Global Supply & Distribution
- Worldwide Shipping: We offer reliable shipping via sea, air, and express couriers (DHL, FedEx, UPS) to all major global destinations.
- Major Markets: North America, Europe (EU), Southeast Asia (ASEAN), Middle East (GCC), Africa, and South America.
- Fast Delivery: Stock is maintained for quick dispatch to major ports like Shanghai, Ningbo, and Qingdao, as well as direct delivery to industrial centers.
- Export Expertise: We have extensive experience in international trade, ensuring smooth customs clearance and compliance with export regulations.
Quality Assurance
- Manufacturing Standards: Produced in ISO-certified facilities with strict quality control processes.
- Testing: Each barrel and plunger set is inspected for dimensional accuracy, surface finish, and pressure tolerance to ensure zero defects.
- Warranty: Backed by a 4-month warranty against manufacturing defects.
FAQ
Q1: How do I confirm this 6N7527 plunger is the correct part for my engine?
A: Please compare the part number stamped on your existing plunger or barrel assembly with our number (6N7527). Ensure it matches exactly. If you are unsure, you can send us a photo of your old part for verification.
Q2: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel mechanic. The process involves disassembling the fuel injection pump, removing the old plunger and barrel, thoroughly cleaning the bore, and carefully installing the new assembly with proper lubrication. Incorrect installation can lead to pump failure.
Q3: How can I maximize the service life of this plunger and barrel set?
A: The longevity of the part is heavily dependent on fuel quality. Always use clean, high-quality diesel fuel and replace your fuel filters at the recommended intervals. Contaminants in the fuel are the primary cause of premature wear on injection components.
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.
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Quick Inquiry
Cat 6N7527 Fuel Injection Pump Barrel & Plunger Assembly | High-Speed Steel | For Diesel Truck Engines
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.