Engine Management Controller Caterpillar 221-8745 126-2973 145-3093 for 345B 345BL 3176C

Richtone offers to buy: Engine Management Controller (ECU / ECM) for Caterpillar 345B / 345BL Excavators – Engine 3176C (Part Numbers: 221-8745 / 126-2973 / 145-3093)

✅ In stock – order now!

📄 Product Description:

High-quality Caterpillar Engine Management Controller (ECU / ECM) designed for CAT 345B and 345BL excavators equipped with 3176C diesel engines. This OEM-grade module provides precise electronic control of fuel injection, air intake, turbo boost, and diagnostic systems. It ensures smooth engine performance, high fuel efficiency, and reliable operation under demanding working conditions.

🔧 Compatibility (Applications):

  • Excavator Models: CAT 345B, 345BL

  • Engine Model: Caterpillar 3176C

  • Suitable for other heavy-duty CAT machinery using 3176C engines

🔁 Cross-reference / Part Numbers:

221-8745, 2218745, 126-2973, 1262973, 145-3093, 1453093, CAT221-8745, CAT126-2973, CAT145-3093

🛠 Specifications:

Manufacturer: OEM / Caterpillar supplier

Type: Engine Management Controller (ECU / ECM)

Material: Sealed aluminum housing, water- and vibration-resistant

Communication: CAT Data Link, J1939

Programming: Setup and calibration required via Caterpillar ET (Electronic Technician) software

Condition: New / Replacement part

Packaging: Standard export packaging

Warranty: Manufacturer’s limited warranty

⭐️ Key Features:

  • Genuine OEM Caterpillar ECU for 3176C engines

  • Full electronic control of injection, air-fuel ratio, and boost

  • Rugged, sealed design for harsh environments

  • Fully compatible with CAT ET diagnostic software

  • Ensures stable performance, reduced fuel consumption, and reliability

    Description

    Buy! Engine Management Controller Caterpillar 221-8745 126-2973 145-3093 for 345B 345BL 3176C


    The Caterpillar Engine Controller 221-8745 / 126-2973 / 145-3093 is a genuine OEM module for CAT 345B and 345BL excavators with 3176C engines. It delivers precise engine management, supports CAT ET diagnostics, and guarantees efficient, reliable performance in heavy-duty operation.

    Additional information

    Catalog number 221-8745 126-2973 145-3093 для 345B 345BL 3176C
    City

    Guangzhou

    Manufacturer

    Caterpillar