20977021 ECU ECM Controller for Volvo D13 D16 & Mack MP8 MP10 Engine FH13
Brand: Suitable for Volvo & Mack
Part Number: 20977021
Truck Application: Volvo FH13, FM13 | Mack CXU, CHU, CV, GU Series
$899.00
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Free Shipping via FedEx, DHL, UPS, or USPS, Yanwen (3-10 Business Days)
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1 Year Warranty, Enjoy a full year of warranty, ensuring long-lasting reliability and peace of mind.
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Free 30-Day returns, Hassle-free 90-day return policy for a risk-free shopping experience.
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Product Highlights
Overview
| Brand | Suitable for Volvo |
|---|---|
| OEM P/N | 20977021 |
| Truck Application | Volvo FH13, FM13, Mack CXU |
Product Details
Heavy-Duty 20977021 ECU ECM Controller for Volvo D13/D16 & Mack MP8/MP10 Engines
Optimize your fleet’s performance and reliability with our professional-grade OEM Remanufactured 20977021 ECU ECM Controller. Serving as the sophisticated electronic brain for both Volvo and Mack heavy-duty platforms, this module manages critical engine functions such as fuel injection, air-to-fuel ratios, and emission controls. Whether you are running a long-haul Volvo FH13 or a vocational Mack GU813, this controller ensures your engine delivers peak torque and maximum fuel efficiency.
I. Universal Power: Compatible with Volvo & Mack Engine Series
The 20977021 Engine Computer Board is one of the most versatile modules in the North American and Global trucking markets:
- Volvo Engine Excellence: A direct fit for the D13 series (D13A, D13B, D13C, D13F) and the high-output D16 engine. It provides the precise timing required for I-Shift transmissions and integrated engine brakes.
- Mack Power Reliability: Fully compatible with Mack MP7, MP8, and the massive MP10 engines. It manages the rugged power required for the Granite (GU) and Pinnacle (CXU/CHU) series.
- Wide Vehicle Range: From the highway-focused FH13/FM13 to the severe-duty CV713 and GU813, this module is engineered to handle diverse operational demands.
II. Why Choose the OEM Remanufactured 20977021?
In the trucking industry, unplanned downtime is lost revenue. Our unit provides a cost-effective, factory-level alternative to brand-new dealer parts:
| Industrial Testing | Rebuilt using original hardware cores. Subjected to high-temperature cycling and vibration simulation for maximum engine bay durability. |
| Factory Updates | Aging internal components are replaced with updated parts to maintain absolute signal integrity for all engine sensors. |
| 12-Month Warranty | Full 1-year coverage. Our responsive after-sales team provides repair or replacement services to get you back on the road fast. |
III. Critical Programming & Professional Setup
TECHNICAL REQUIREMENTS:
- Programming is Mandatory: This ECM is shipped blank. It must be programmed/flashed with your vehicle’s specific software version and VIN to function correctly.
- Technical Verification: After purchase, please provide photos of your Original ECU Part Number, Engine Nameplate, and Chassis ID.
- Experienced Technicians Only: Installation by a certified heavy-duty technician is strongly recommended to protect delicate electronic pins.
IV. Our Commitment at liuchuangparts.com
Reliability Assured
Every part is tested to ensure it meets or exceeds original factory performance for long-haul dependability.
Global Logistics
Secure, anti-static packaging ensures your 20977021 controller arrives safely, no matter where your fleet is located.

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