2020-2025 LM2 LZ0 3.0L Duramax Engine Block Heater Extension Cord GM 84564686

Replace your damaged or missing block heater cord with this Genuine GM Block Heater Extension Cable. This cord is essential for cold-weather starting and proper function of the engine block heater on GM 1500 trucks equipped with the 3.0L LM2 or LZ0 Duramax Diesel engine.

Why Choose This Cable? This is not an aftermarket part, this is the real deal from GM. Ensure proper connection from the front bumper to your power source, providing reliable block heater performance all winter long. If your original cord is missing, cut, or damaged—this is the correct replacement.

Product Features:

- OEM GM Part #: 84564686

- Replaces previous GM part numbers: 84368753, 84744850, 84789749

- Plugs into standard 110V wall outlet

- Brand new

Direct Fit for:

2020–2025 Chevrolet Silverado 1500 with 3.0L LM2 / LZ0 Duramax

2020–2025 GMC Sierra 1500 with 3.0L LM2 / LZ0 Duramax

May fit other Duramax models

SHIPPING IS FREE via USPS Ground Advantage

CANADA, MEXICO, & ALL INTERNATIONAL BUYERS WILL NEED TO USE THE eB