Product Details
Product Overview
This high-quality Diesel Engine Fuel Pump Rotor Head, referencing OEM number 7189-187L with rotor number 943L 6/7R, is a critical component for fuel injection systems in heavy-duty diesel engines. Designed for direct replacement and repair, this component ensures optimal fuel delivery and engine performance. We serve a global clientele, with extensive distribution networks across North America, Europe, Southeast Asia, the Middle East, and Africa, ensuring reliable supply for workshops, distributors, and maintenance operations worldwide.
Key Features & Benefits
- Precision Engineering: Manufactured to exacting tolerances for a perfect fit and reliable operation within the fuel injection pump.
- High Durability: Constructed from robust materials to withstand high pressure and wear, ensuring a long service life.
- Enhanced Performance: Restores fuel pump efficiency, leading to improved engine power, smoother idle, and reduced fuel consumption.
- Direct Replacement: A seamless swap for the original part, minimizing downtime for repair and maintenance operations.
- Cost-Effective Solution: Provides a reliable alternative to purchasing a complete pump assembly, offering significant savings for B2B clients.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 7189-187L |
| Rotor Number | 943L 6/7R |
| Product Name | Diesel Engine Fuel Pump Rotor Head |
| Type | Head Rotor |
| Condition | New |
| Application | Fuel Injection System |
| Material | High-Grade Alloy Steel |
| Weight | 2.5 KG |
| Single Package Size | 15 x 13 x 13 cm |
| Single Gross Weight | 2.200 kg |
| Warranty | 4 Months |
| Place of Origin | Shandong, China |
OEM Cross-Reference
This fuel pump rotor head is a direct replacement for the following OEM and reference numbers:
- Main OEM Number: 7189-187L
- Rotor Reference: 943L 6/7R
Note: This part is designed for specific inline fuel injection pump models. Please verify compatibility with your pump’s rotor number (943L 6/7R) before ordering.
Compatibility
This rotor head is designed for use in the fuel injection pump of various heavy-duty diesel engines. It is commonly used in:
- Engine Types: Inline diesel engines requiring a 6 or 7-cylinder rotor head configuration.
- Applications: Agricultural tractors, construction machinery (excavators, loaders), industrial generators, and marine engines.
Note: Always confirm the physical dimensions and rotor number (943L 6/7R) match your existing pump head to ensure correct fitment.
Global Supply & Distribution
We are a dedicated supplier to the global B2B market, offering streamlined logistics for international buyers.
- Worldwide Shipping: We ship to all major continents, including North America, South America, Europe, Asia, Africa, and Oceania.
- Major Markets Served: Our parts are regularly exported to the USA, Canada, Germany, the UK, Australia, the UAE, South Africa, and Brazil.
- Fast & Reliable Delivery: We partner with leading freight forwarders (e.g., DHL, FedEx, UPS) for express shipping and offer competitive sea freight rates for bulk orders to major ports like Rotterdam, Los Angeles, and Shanghai.
- Export Experience: With years of experience in international trade, we handle all customs documentation and compliance requirements for smooth delivery.
Quality Assurance
We are committed to providing components that meet or exceed OEM standards.
- Manufacturing Standards: Produced in ISO 9001-certified facilities under strict quality control processes.
- Testing: Each rotor head is inspected for dimensional accuracy and material integrity before packaging.
- Warranty: Backed by a standard 4-month warranty against manufacturing defects, ensuring your investment is protected.
FAQ
Q1: How can I confirm this rotor head (7189-187L / 943L 6/7R) is the correct part for my pump?
A: First, identify the model of your fuel injection pump. The most reliable method is to check the rotor number stamped on your old rotor head. It must match “943L 6/7R”. Also, verify the main body part number is 7189-187L. If your pump uses a different rotor number (e.g., 943L 8/9R or 943L 4/5R), this part is not compatible.
Q2: What is the installation procedure for this rotor head?
A: Installation should be performed by a qualified diesel technician. It involves disassembling the fuel injection pump head, carefully removing the old rotor and hydraulic head assembly, cleaning the mating surfaces, and installing the new unit. Precision is critical to avoid contamination. We recommend consulting the pump manufacturer’s service manual for specific torque settings and timing procedures.
Q3: What is the typical lifespan of this rotor head under normal operating conditions?
A: The lifespan depends heavily on fuel quality, maintenance schedules, and operating environment. With clean fuel and regular filter changes, a high-quality rotor head can last for several thousand hours. Contaminated fuel or water ingress will significantly reduce its life. Adhering to a strict fuel system maintenance routine is the best way to maximize its durability.
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
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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.
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7189-187L Diesel Engine Fuel Pump Rotor Head 943L 6/7R Fuel Injection Rotor
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Inquiry Desk
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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.