Product Overview

This high-performance Fuel Pump Solenoid / Fuel Return Solenoid Valve is a direct replacement for Isuzu diesel engine fuel injection systems. Designed for B2B distribution, this component is manufactured to meet or exceed OEM specifications, ensuring reliable engine shutdown and fuel system control. We serve a global clientele with fast shipping to major markets including North America, Europe, Southeast Asia, the Middle East, and Australia.

Key Features & Benefits

• Superior Durability: Constructed from high-speed steel for exceptional wear resistance and long service life in high-vibration environments.
• Precise Fuel Control: Ensures accurate fuel cut-off and return flow, preventing engine run-on and improving overall fuel system efficiency.
• Direct Fitment: CNC-machined to exact OEM dimensions for a plug-and-play installation without modifications.
• Voltage Versatility: Available in both 12V and 24V configurations to suit various heavy-duty equipment and vehicle electrical systems.
• Rigorous Testing: 100% bench-tested for solenoid response, leakage, and pressure resistance before shipment.

Technical Specifications

OEM Cross-Reference

This solenoid valve replaces the following OEM and aftermarket part numbers:

• Isuzu: 9461612339, 9461616193
• Isuzu (Alternate): 8-97125-533-0, 8-94174820-0
• Komatsu: 146650-8520, H146650852
• Other Crosses: 8905200030

If your specific part number is not listed, please contact our sales team with your OEM number for cross-reference verification.

Compatibility

• Engine Models: Designed for Isuzu 4HK1, 6HK1, 4JJ1, 4JB1, and similar industrial diesel engines.
• Vehicle Applications: Isuzu NPR, NQR, F-Series trucks; Hitachi/Komatsu excavators; Diesel generators and agricultural machinery using Isuzu-based engines.
• Note: Always verify solenoid voltage (12V vs 24V) and mounting flange configuration before purchase.

Global Supply & Distribution

We are a premier supplier of diesel engine components with a robust global logistics network:

• Shipping: Fast 3-7 day dispatch via DHL, FedEx, UPS, or sea freight.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (Japan, Korea, Australia), Middle East (UAE, Saudi Arabia), and Africa.
• Inventory: Large stock depth in Shandong, China, ensuring quick fulfillment for bulk orders.
• Compliance: All shipments comply with international trade regulations, including proper HS classification and documentation.

Quality Assurance

• Certification: ISO/TS16949 certified manufacturing facility.
• Testing: Each unit undergoes electrical resistance, coil continuity, and hydraulic pressure leak tests.
• Warranty: 6-month warranty against manufacturing defects. Extended warranty options available for volume contracts.
• Traceability: Each solenoid is laser-marked with batch numbers for full traceability.

FAQ

Q1: How do I verify if this solenoid is compatible with my Isuzu engine?
A: Check your original part number. If it matches any of the listed OEM numbers (8-97125-533-0, 8-94174820-0, 9461612339), this is a direct fit. Also confirm your system voltage. For non-Isuzu engines, measure the plunger stroke (typically 6-8mm) and mounting bolt pattern.

Q2: What are the common failure signs of a fuel return solenoid?
A: Symptoms include: engine not starting (no fuel cut-off), engine continuing to run after key-off (run-on), or fuel leaking from the solenoid body. A multimeter test should show coil resistance between 20-40 ohms for a 12V unit.

Q3: Can I use a 24V solenoid on a 12V system?
A: No. A 24V solenoid will not function correctly on a 12V system (weak magnetic pull, potential sticking). Always match voltage. If unsure, measure your battery voltage or check the original solenoid’s markings. We stock both 12V and 24V variants.

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 .