84564686 compatible with Duramax Block Heater Cord, Compatible with Chevrolet Silverado 1500 / LD/LTD models and Silverado 2500/3500 HD Trucks Equipped with Factory Engine Block Heater
OEM Reference Part Number 84564686 compatible with duramax block heater cord designed as a compatible reference replacement for GM part number 84564686.
Vehicle Compatibility Reference: Compatible with select Chevrolet Silverado 1500 / LD / LTD models (model years around 2019–2023) and Silverado 2500 / 3500 HD Duramax trucks (model years around 2020–2024) equipped with a factory engine block heater. Vehicle compatibility depends on engine type and heater configuration.
Direct-Connect Installation: Designed to connect directly to the existing engine block heater port without cutting, splicing, or specialized tools.
Built for Cold Weather Operation: Made from durable, cold-resistant materials to deliver stable power to the engine block heater, supporting engine pre-heating in low-temperature environments.
Factory Block Heater Required: For vehicles equipped with a factory-installed engine block heater only. Not compatible with vehicles without a block heater port. Please confirm compatibility before purchase.