Ramp offers to buy: Caterpillar Engine Controller 478-7932 (CAT C9 ECU)

✅ In stock – order now

📄 Product Description:

OEM-spec engine control module (ECM/ECU) 478-7932, designed for Caterpillar C9 diesel engines used in construction machinery, industrial equipment, and on-highway/off-highway machines.

This controller manages fuel injection, timing, air-to-fuel ratios, turbocharger response, emissions performance, diagnostics, and engine protection functions.

Built to CAT factory standards, the ECU ensures stable power delivery, efficient combustion, and reliable engine management under heavy-duty operation.

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🔧 Compatibility (Applications):

Compatible Engines:

• Caterpillar C9

• Caterpillar C9 ACERT

• C9 industrial, construction, and generator configurations (software-dependent)

Typical Compatible Machines:

• CAT 320D / 323D / 325D excavators (C9-powered variants)

• CAT 950 / 962 wheel loaders (C9 versions)

• CAT generators powered by C9

• CAT on-highway/off-highway equipment using C9 engines
  
  (Exact compatibility depends on software calibration and machine model.)

Part Number:

• 478-7932 — Engine controller / ECM for CAT C9

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🔁 Cross-reference / Alternative Part Numbers:

Interchangeable or related CAT ECU numbers include:

• 4787932

• 387-9430

• 328-2579

• 242-1642

• 242-1643

• 10R-7222

• 20R-2857

Compatibility depends on flash file, emissions level, and engine serial number.

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🛠 Specifications:

• Manufacturer: Caterpillar / OEM-approved supplier

• Type: Electronic Control Module (ECM)

• Function: Complete engine management system

• Communication: CANBUS / CAT ET (Electronic Technician)

• Requires Programming: Yes — must be flashed with the correct software for your engine

• Condition: Brand new

Core Functions:

• Fuel injection timing & quantity

• Turbocharger control

• Idle speed & load control

• Engine protection (overheat, low oil pressure, overspeed)

• Fault code storage & diagnostics

• Throttle and sensor signal processing

Packaging: Anti-static protection + export-grade box

Warranty: Manufacturer’s limited warranty

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⭐️ Key Features:

• OEM-spec ECU for Caterpillar C9 engines

• Ensures smooth running, efficient fuel control, and stable performance

• Fully compatible with CAT wiring harnesses and sensors

• Heavy-duty design for vibration, heat, and dust resistance

• Factory-tested for voltage stability, communication, and accuracy

• Direct hardware replacement — plug-in ready after programming