- Compatible With: This block heater cord is compatible with Ford 7.3, 6.0, 6.4, 6.7 L Powerstroke Diesel engines in F-350 and F-250; compatible with 1989-2018 Dodge Ram Cummins Diesel 5.9, 6.7 L; compatible with 1989-Current Dodge Cummins 5.9L Diesel Engines; compatible with 2007-Current Dodge Cummins 6.7L Diesel Engines. - Replace OE: Designed as a direct replacement for OE part numbers 251919, 6B018, 251919C, 68409910AB, 28216, 28216X and 3600008, this block heater cord seamlessly replaces the original equipment, maintaining the vehicle's heating system at optimal performance levels. - High Quality: Block heater replacement cord crafted with durable materials and precision engineering, this engine block heater cord guarantees longevity and reliability, providing efficient heat transfer to the engine block, even in extreme cold conditions. - Function: This block heater cord ensures that your vehicle's engine remains warm, promoting easier starts and reducing wear on critical engine components, especially during freezing temperatures. - Use Scenarios: - In cold climates, helps Ford Powerstroke and Dodge Cummins diesel engines start reliably on cold mornings. - For vehicles stored outside or parked overnight in winter, maintains a warm engine for quick starts. - For fleets or work trucks operating in winter, reduces cold-start wear during early start-ups.