Product Overview

This is a high-performance, direct replacement fuel injector designed for Caterpillar C4.4 diesel engines. Engineered for durability and precise fuel delivery, this new injector is ideal for B2B buyers, workshops, and fleet managers worldwide seeking reliable OEM-spec parts. We specialize in global shipping to major industrial markets including North America, Europe, the Middle East, and Asia-Pacific, ensuring timely delivery to support your operations.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for optimal spray pattern, fuel atomization, and combustion efficiency.
• Premium Material: Constructed from high-speed steel for superior wear resistance and longevity under high-pressure diesel operation.
• Guaranteed Fitment: Direct bolt-on replacement, ensuring seamless installation without modifications to your C4.4 engine.
• Enhanced Performance: Restores engine power, improves fuel economy, and reduces harmful emissions by delivering precise fuel metering.
• Reliable Supply: Backed by a 6-month warranty and supplied in export-standard packaging for secure international logistics.

Technical Specifications

OEM Cross-Reference

This injector is a direct cross-reference for the following OEM and aftermarket part numbers:

• Caterpillar®: 236-1674, 2361674
• Other Common Numbers: 315-3381, 3153381
• Model Reference: 2645K025

Compatibility

This fuel injector is designed specifically for Caterpillar C4.4 diesel engines. Common applications include:

• Engine Models: Caterpillar 1100, 1103, 1104C-44.
• Vehicle/Equipment Applications: Commonly found in industrial machinery, generator sets, and medium-duty trucks utilizing the C4.4 power unit. Please verify your engine’s serial number or existing injector part number for confirmation.

Global Supply & Distribution

We are a professional exporter of heavy-duty engine components with extensive experience in international B2B trade. Our logistics network ensures efficient shipping to key global markets:

• Major Markets Served: North America (USA, Canada), European Union, United Kingdom, Australia & New Zealand, Southeast Asia, Middle East, and Africa.
• Fast Delivery: We prioritize shipments to major ports and industrial hubs worldwide, including Rotterdam, Los Angeles, Singapore, Dubai, and Sydney.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is provided to ensure smooth customs clearance.

Quality Assurance

Every injector is manufactured under strict quality control protocols to meet or exceed industry performance standards.

• Manufacturing Standards: Produced using precision CNC machinery and advanced calibration equipment to ensure dimensional accuracy and performance parity with OEM parts.
• Testing: Units undergo rigorous pressure testing and functional checks to verify leak-free operation and correct spray pattern.
• Warranty: Backed by a solid 6-month warranty against manufacturing defects, providing peace of mind for our B2B clients.

FAQ

Q1: Is this injector a direct fit for my Caterpillar C4.4 engine?
A1: Yes. The part number 2645K025 and its cross-referenced OEM numbers (2361674, 3153381) confirm it is engineered as a direct, bolt-on replacement for the C4.4 engine series, requiring no modifications.

Q2: What is the lead time for orders shipping to Europe or North America?
A2: Lead times vary based on destination and shipping method. Typically, orders to major ports in Europe and North America can be delivered within 15-30 days via sea freight, with express air options available for urgent requirements. Contact us for a precise quote.

Q3: Do you recommend replacing all injectors simultaneously on a multi-cylinder engine?
A3: For optimal engine balance, performance, and long-term reliability, it is a best practice to replace fuel injectors in complete sets (e.g., all 4 or 6 for the engine). This ensures uniform fuel delivery across all cylinders, preventing uneven wear and maintaining fuel efficiency.

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 .