Product Details

Product Overview

This high-performance diesel fuel injector is a direct replacement for Caterpillar 3408 and 3412 engine models, offering a cost-effective solution for heavy-duty machinery. Designed for global distribution, we serve major markets including North America, Europe, Southeast Asia, the Middle East, and Australia, ensuring fast and reliable shipping to industrial centers worldwide. Each injector is manufactured to meet or exceed OEM specifications, providing a dependable alternative for repair and replacement needs.

Key Features & Benefits

  • Precision Engineering: Manufactured from high-speed steel for exceptional durability and resistance to wear, ensuring long service life even under extreme operating conditions.
  • 100% Professional Testing: Every unit undergoes rigorous performance and pressure testing to guarantee reliable fuel delivery and optimal engine efficiency.
  • Direct Fitment: Designed as a universal fit for Caterpillar 3408 and 3412 diesel engines, requiring no modifications for installation.
  • Enhanced Fuel Economy: Precision-machined components ensure accurate fuel atomization, contributing to better combustion, reduced emissions, and lower operating costs.
  • Reliable Warranty: Backed by an 8-month warranty, providing peace of mind for B2B buyers and fleet operators.

Technical Specifications

Specification Detail
Part Number 3879433
OEM Number 174-7526
Type Diesel Fuel Injector
Fuel Type Diesel
Material High Speed Steel
Color Silver
Weight 2.500 kg (per batch)
Package Size 30 x 20 x 10 cm
Condition New
Application Fuel Injection System
Warranty 8 Months
Place of Origin Shandong, China

OEM Cross-Reference

This injector is compatible with the following OEM and cross-reference part numbers:

  • Primary OEM: 174-7526
  • Alternate OEM Numbers: 232-1173, 232-1183, 232-1168, 174-7528

These numbers are direct replacements for Caterpillar fuel injectors used in 3406, 3408, and 3412 engine series. Always verify your engine model and existing part number before ordering.

Compatibility

This fuel injector is designed for use in the following applications:

  • Engine Models: Caterpillar 3408, 3412, and compatible 3406 series
  • Vehicle/Machine Applications: Heavy-duty trucks, construction equipment (excavators, bulldozers), marine engines, generator sets, and industrial machinery
  • Year Ranges: Suitable for most models from the 1980s through early 2000s; please confirm with your engine serial number

Global Supply & Distribution

We provide worldwide shipping with a focus on fast delivery to key industrial hubs. Our logistics network covers:

  • North America: Major ports (Los Angeles, Houston, New York) and inland distribution centers
  • Europe: Rotterdam, Hamburg, and Antwerp with road/rail connections across the EU
  • Asia-Pacific: Singapore, Shanghai, and Sydney for quick regional dispatch
  • Middle East & Africa: Dubai, Jebel Ali, and Durban for oil & gas and mining sectors

We offer flexible shipping options (sea, air, express) and can handle bulk orders for B2B clients. Our export team ensures full compliance with international trade regulations, including proper documentation and customs clearance support.

Quality Assurance

Our manufacturing facility in Shandong, China, adheres to strict quality control protocols:

  • Standards: Production follows ISO 9001 quality management principles
  • Testing: Each injector is 100% professionally tested for flow rate, spray pattern, and pressure integrity before shipment
  • Certifications: Material certifications and test reports available upon request
  • Warranty: 8-month warranty against manufacturing defects, with prompt replacement or refund support

FAQ

Q1: How do I confirm this injector will fit my Caterpillar 3412 engine?
A: Verify your engine’s serial number and compare it with the OEM numbers listed (174-7526, 232-1173, etc.). This injector is a direct replacement for most 3408 and 3412 models. If you have an older or modified engine, please provide your existing part number for cross-referencing.

Q2: What are the installation requirements or precautions?
A: Installation should be performed by a qualified diesel mechanic. Ensure the fuel system is clean and free of debris. Use new seals and O-rings (not included). Torque the injector to manufacturer specifications to prevent leaks or damage. After installation, bleed the fuel system and check for proper operation.

Q3: How should I store spare injectors?
A: Store in a cool, dry place away from moisture and direct sunlight. Keep the injector in its original packaging until installation to prevent contamination. For long-term storage, consider applying a light anti-corrosion oil to the tip and sealing the ports.

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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