Engine Wiring Harness for Caterpillar C4.4 M313D M315D D3K D4K D5K 304-5165, 288-0526

Engine Wiring Harness for Caterpillar C4.4 M313D M315D D3K D4K D5K 304-5165, 288-0526

Ramp offers to buy: Engine Wiring Harness for Caterpillar C4.4 (Part Numbers: 304-5165 / 288-0526)

✅ In stock – order now

📄 Product Description:

OEM-spec engine wiring harness designed for Caterpillar machines equipped with the C4.4 diesel engine. This high-performance harness provides stable electrical communication between the ECM, injectors, fuel system sensors, hydraulic control circuits, and monitoring modules. Built for harsh environments with heat-resistant insulation, oil-resistant protective sleeving, and sealed waterproof connectors.

Ideal replacement for worn, corroded, or malfunctioning 304-5165 / 288-0526 harness assemblies.

🔧 Compatibility (Applications):

Engine Compatibility:

  • Caterpillar C4.4 Diesel Engine (ACERT / Tier 3 variants)

Machine Compatibility:

  • CAT M313D Wheel Excavator

  • CAT M315D Wheel Excavator

  • CAT D3K Bulldozer

  • CAT D4K Bulldozer

  • CAT D5K Bulldozer

  • CAT 312D (selected configurations)

  • CAT industrial engines using C4.4 harness platform

Part Numbers:

  • 304-5165

  • 288-0526

    Cross-references: 3045165, 2880526, 304-5165, 288-0526, and OEM-matching harness assemblies.

🛠 Specifications:

  • Manufacturer: OEM / Caterpillar-approved supplier

  • Type: Complete engine wiring harness

  • Coverage: ECM circuits, injectors, pressure/temperature sensors, fuel system sensors

  • Condition: New / Replacement

  • Insulation: Heat-resistant, oil-resistant, vibration-proof

  • Connector Type: OEM waterproof sealed connectors (dust & moisture protected)

Components Included:

  • Full wiring harness assembly

  • ECM communication connectors

  • Sensor connectors (oil pressure, coolant temp, fuel pressure)

  • Injector and actuator wiring

  • Protective cable loom & reinforced shielding

Packaging: Factory-sealed anti-static protective package

Warranty: Manufacturer’s limited warranty

⭐️ Key Features:

  • OEM-grade harness for CAT C4.4 engines

  • Direct-fit replacement for 304-5165 and 288-0526

  • High resistance to heat, vibration, and hydraulic oil

  • Ensures accurate ECM feedback and reliable machine operation

  • Fully factory-tested for CAT performance and durability standards


    Buy! Engine Wiring Harness for Caterpillar C4.4 M313D M315D D3K D4K D5K 304-5165, 288-0526


    The Caterpillar C4.4 Engine Wiring Harness (304-5165 / 288-0526) ensures stable electrical operation, long service life, and perfect OEM compatibility for M313D, M315D, D3K, D4K, D5K and other C4.4-powered machines.

    ✅ In stock – order now.


    Catalog number 304-5165, 288-0526
    City

    Guangzhou

    Manufacturer

    CATERPILAR