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Timing Belt - Hydraulic Automatic Tensioners (HAT)
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Hydraulic Automatic Tensioners (HAT)

New From Dayco, Hydraulic Automatic Timing Belt Tensioners ensure proper transmission efficiency for the entire life of the timing belt. This is achieved by the Hydraulic Automatic Tensioner keeping constant correct tension on the timing belt during engine operation. Compared with fixed type timing belt tensioners, timing belt life is increased, along with other timing drive train components such as pulleys and bearings. All Dayco Hyrdaulic tensioners meet or exceed OEM specifications

Safety check
• Refer to vehicle manufacturer’s instructions for specific removal and replacement procedures
• Wear safety glasses
• Never attempt to remove plunger from tensioner body
• Remove retainer pin from tensioner prior to starting engine


Click on a column heading to sort the items in the list

Part numberDescription
HAT01Hydraulic Automatic Tensioner (Timing)
HAT02Hydraulic Automatic Tensioner (Timing)
HAT03Hydraulic Automatic Tensioner (Timing)
HAT04Hydraulic Automatic Tensioner (Timing)
HAT05Hydraulic Automatic Tensioner (Timing)
HAT06Hydraulic Automatic Tensioner (Timing)
HAT07Hydraulic Automatic Tensioner (Timing)
HAT08Hydraulic Automatic Tensioner (Timing)
HAT09Hydraulic Automatic Tensioner (Timing)
HAT10Hydraulic Automatic Tensioner (Timing)
HAT11Hydraulic Automatic Tensioner (Timing)
HAT12Hydraulic Automatic Tensioner (Timing)
HAT13Hydraulic Automatic Tensioner (Timing)
HAT14Hydraulic Automatic Tensioner (Timing) round tip
HAT15Hydraulic Automatic Tensioner (Timing) flat tip
HAT16Hydraulic Automatic Tensioner (Timing)
HAT17Hydraulic Automatic Tensioner (Timing)
HAT18Hydraulic Automatic Tensioner (Timing)
HAT19Hydraulic Automatic Tensioner (Timing)
HAT20Hydraulic Automatic Tensioner (Timing)
HAT21Hydraulic Automatic Tensioner (Timing)
HAT22Hydraulic Automatic Tensioner (Timing)
HAT23Hydraulic Automatic Tensioner (Timing)
HAT24Hydraulic Automatic Tensioner (Timing)
HAT25Hydraulic Automatic Tensioner (Timing)
HAT26Hydraulic Automatic Tensioner (Timing)
HAT27Hydraulic Automatic Tensioner (Timing)
HAT28Hydraulic Automatic Tensioner (Timing)
HAT29Hydraulic Automatic Tensioner (Timing)
HAT31Hydraulic Automatic Tensioner (Timing)
HAT32Hydraulic Automatic Tensioner (Timing)
HAT35Hydraulic Automatic Tensioner (Timing)
HAT36Hydraulic Automatic Tensioner (Timing)
HAT38Hydraulic Automatic Tensioner (Timing)
HAT39Hydraulic Automatic Tensioner (Timing)
HAT40Hydraulic Automatic Tensioner (Timing)
HAT41Hydraulic Automatic Tensioner (Timing)
HAT42Hydraulic Automatic Tensioner (Timing)
HAT43Hydraulic Automatic Tensioner (Timing)
HAT44Hydraulic Automatic Tensioner (Timing)
HAT45Hydraulic Automatic Tensioner (Timing)