INJECTOR / FUEL PUMP ASSEMBLY
Fuel Injection Pump Cat C4.4 & C7.1

Fuel Injection Pump Cat C4.4 & C7.1

OEM Part No. 3689041
Compatible With CAT C4.4 & C7.1
Availability ✓ In Stock
Fuel Injection Pump Cat C4.4 & C7.1 – HEAVY-DUTY FLUID DELIVERY SYSTEM | OEM: 3689041
✓ Genuine Quality ✓ Pan India Shipping ✓ Expert Support

Product Specifications

BrandCompatible Model(s)OEM Part NumberPart TypeAvailability
Caterpillar (CAT)CAT C4.4 & C7.13689041INJECTOR / FUEL PUMP ASSEMBLY✓ In Stock

Product Description

OEM Part Numbers: 3689041

Machine ModelPart Number
CAT C4.4 & C7.13689041

The 3689041 fuel injection pump cat c4.4 & c7.1 is a heavy-duty fluid delivery component engineered for the CAT C4.4 & C7.1, ensuring a reliable, pressurised supply to the engine system throughout demanding operational cycles. Without a properly functioning pump, engine performance drops sharply — leading to hard starts, power deficiency, and the risk of complete engine shutdown during critical operations. Manufactured to OEM specification 3689041 for direct fitment on the CAT C4.4 & C7.1, restoring full delivery performance with no additional adjustment.

Key Features:

  • Full Pressure Restoration: Delivers the rated pressure and flow required for peak engine or hydraulic system performance.
  • Direct OEM Replacement: Manufactured to specification 3689041 for exact installation on the CAT C4.4 & C7.1.
  • Reliable Heavy-Duty Performance: Built to withstand the high-cycle, high-pressure demands of industrial machinery operation.

The 3689041 fuel injection pump cat c4.4 & c7.1 is an essential fluid delivery component for maintaining full power output on the CAT C4.4 & C7.1.

What Does This Injector / Fuel Pump Assembly Do?

Delivers a precisely metered, high-pressure fuel spray directly into the combustion chamber at the timing commanded by the ECU. Correct injector operation is critical for power output, fuel efficiency, and meeting emissions requirements.

Possible Injector / Fuel Pump Assembly Problem Symptoms

If your machine is showing any of the following, a faulty injector / fuel pump assembly may be the cause:

  • Black or white smoke from the exhaust, especially under load
  • Rough or uneven idling with noticeable engine vibration
  • Significant drop in fuel efficiency on comparable tasks
  • Hard starting or engine knocking at low RPM

Why Buy From GCO Products?

Gautam & Company has been supplying earthmoving machinery spare parts since 1999. Here is why contractors, fleet operators, and dealers across India trust us.

Supplying Since 1999

Over 27 years of experience in the earthmoving parts industry.

Technical Support

Our team helps you confirm the right part before you order.

GST Billing

Proper GST invoices on every order for your accounting needs.

Pan-India Supply

Fast dispatch from Jalandhar to all states across India.

Bulk & Wholesale

Volume pricing available for fleet owners, dealers and distributors.

OEM & Aftermarket

Both genuine OEM and quality aftermarket options available.

How to Confirm Compatibility

To ensure this part is the correct fit for your machine, have the following ready when you contact us:

  • 1
    Machine Model & Year

    E.g. Komatsu PC200-8, CAT 320D, JCB JS205 — include the model suffix if known.

  • 2
    Machine Serial Number

    Found on the machine's chassis plate. Helps confirm the exact production variant.

  • 3
    OEM Part Number

    From your parts manual, the old part itself, or the machine's service documentation.

Not sure if this part fits your machine?

WhatsApp Us to Confirm Typically replies within a few hours

Disclaimer: This is an aftermarket replacement part supplied by GCO Products (Gautam & Company) and is not manufactured by, affiliated with, or endorsed by the original equipment manufacturer (OEM). All brand names, model numbers, and OEM part numbers referenced on this page are used solely for the purpose of identifying compatibility and describing the application of this part. All trademarks, registered marks, and brand identifiers remain the exclusive property of their respective owners. GCO Products claims no association with, sponsorship by, or endorsement by any OEM brand mentioned herein.