GMC R2500 Suburban Accessory Belt Tensioner

DAYCO BELT TENSIONER -- Automatic Belt Tensioner, The Featured Patented Flat Spring Design Reduces The Risk Of Accessory Bearing Failure, Reduces The Risk Of Belt Squeal And Slippage, Or Poor Accessory Performance Caused By Low Tension, The Flat Spring Is Coated To Resist Rust, Heavy Duty Cast Aluminum Spring Case Resists Cracking, Heavy-Duty Cast Aluminum Arm Offers Additional Strength And Less Distortion

Fits the following 1989-1991 GMC R2500 Suburban submodels:

• 1989-1991: Base; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"
• 1990-1990: SLE; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1989-1989: Sierra Classic; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

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GATES DRIVEALIGN AUTO TENSIONER -- 17 mm bearing bore inside diameter, 90 mm outside diameter, 37.5 mm width, 6-rib V-ribbed belt type; Steel material; Features an application specific design that meets OE requirements for constant tension, vibration resistance and proper alignment on serpentine belt engine accessory drivers; With lifetime Gates limited warranty.

Fits the following 1988-1991 GMC R2500 Suburban submodels:

• 1988-1991: Base; 8 Cyl 7.4L; "GAS"
• 1990-1990: SLE; 8 Cyl 7.4L; "GAS"

• 1988-1989: Sierra Classic; 8 Cyl 7.4L; "GAS"

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DORMAN AUTOMATIC BELT TENSIONER -- Serpentine Type; A high quality, direct fit OE replacement automatic belt tensioner; With lifetime Dorman limited warranty.

Fits the following 1987-1991 GMC R2500 Suburban submodels:

• 1987-1991: Base; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"
• 1990-1990: SLE; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

• 1987-1989: Sierra Classic; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

• 1987-1987: High Sierra; 8 Cyl 5.7L; "GAS, FI, Naturally Aspirated, VIN K"

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AC DELCO DRIVE BELT TENSIONER ASSEMBLY, SOLD INDIVIDUALLY -- A high quality, OE replacement drive belt tensioner assembly; Replaces OE number 88920943; With 12-month or 12,000-mile AC Delco warranty.

Fits the following 1988-1991 GMC R2500 Suburban submodels:

• 1988-1991: Base; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"
• 1990-1990: SLE; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

• 1988-1989: Sierra Classic; 8 Cyl 7.4L; "GAS, FI, Naturally Aspirated, VIN N"

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HAYDEN AUTOMATIC BELT TENSIONER, SOLD INDIVIDUALLY -- Smooth pulley type; OE quality for long life and easy replacement; Maintains constant tension on the belt to extend both belt and accessory drive bearing life.

Fits the following 1987-1991 GMC R2500 Suburban submodels:

• 1987-1991: Base; 8 Cyl 5.7L;
• 1990-1990: SLE; 8 Cyl 5.7L;

• 1987-1989: Sierra Classic; 8 Cyl 5.7L;

• 1987-1987: High Sierra; 8 Cyl 5.7L;

Fits 2 more submodels. (Show all) Show less info