Serpentine Belts
Serpentine belts are an integral part of an automobile's engine. Made from reinforced rubber, it typically snakes around various pulleys and components, hence its name. Its primary function is to transfer rotational power from the engine's crankshaft to various peripheral devices like the alternator, air conditioning compressor, power steering pump, and water pump. These components are essential for charging the vehicle battery, providing air conditioning, steering assistance, and engine cooling. Modern cars use this single, multi-groove belt for efficiency and compactness, replacing older systems that used multiple belts. This design simplifies maintenance and improves reliability. Belt Cross Reference Sizes for J, K, L, M Serpentine Belts. Click on the link below to be taken to the cross reference page for that belt size. Gates, Dayco, Goodyear. More Poly belt cross references available.
Serpentine Belt Cross Reference Charts
When selecting or replacing serpentine belts, it's crucial to choose the appropriate length and profile to maintain the right tension and ensure efficient operation. Always refer to the manufacturer's catalogs or data sheets to precisely match the belt specifications to the requirements of your machinery. Consider the sizes of the pulleys and the distances between shafts in your setup to make the most suitable choice. Check out our top 10 selling serpentine list.
J Series
SERPENTINE BELTSClick for J Series Cross Reference Charts
K Series
SERPENTINE BELTSClick for K Series Cross Reference Charts
L Series
SERPENTINE BELTSClick for K Series Cross Reference Charts
M Series
SERPENTINE BELTSClick for M Series Cross Reference Charts