HomeDayco 89239 Accessory Drive Belt Tensioner Assembly
Part #: 89239

Dayco 89239 Accessory Drive Belt Tensioner Assembly

24 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Cadillac, and Pontiac, G30, G3500, Commercial Chassis, Fleetwood, Camaro, and Firebird
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Overview of Dayco Accessory Drive Belt Tensioner Assembly 89239

The Dayco 89239 accessory drive belt tensioner assembly is designed for reliable serpentine belt tensioning in select Cadillac, Chevrolet, and Pontiac vehicles. This automatic tensioner supports smooth operation of the accessory drive system, ensuring consistent belt tension and reducing wear.

  • Serpentine belt type compatible
  • Clockwise direction operation
  • Single pulley design with 100 mm diameter
  • Pulley width of 30 mm with flat surface
  • Automatic tensioner type for maintenance-free performance

Technical Details and Specifications

The Dayco 89239 tensioner assembly features a single pulley with a 100 mm diameter and a 30 mm width, designed with a flat surface to optimize belt contact and reduce slippage. Its clockwise rotation direction aligns with the accessory drive system requirements of compatible vehicles. As an automatic tensioner, it maintains proper belt tension without manual adjustment, contributing to consistent engine accessory performance and extended belt life.

Compatible Vehicles and Applications

This accessory drive belt tensioner assembly is compatible with various models from Cadillac, Chevrolet, and Pontiac, including the Camaro, Commercial Chassis, Firebird, Fleetwood, and G30. The part number 89239 is specifically engineered to meet the fitment and performance standards required by these vehicles, ensuring proper integration with their serpentine belt systems.

  • Maintains correct serpentine belt tension
  • Prevents belt slippage and noise
  • Reduces premature belt wear
  • Supports smooth operation of engine accessories
  • Addresses issues related to belt misalignment or tension loss

Installation Notes and Tips

When installing the Dayco 89239 tensioner assembly, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Verify the clockwise rotation direction of the tensioner pulley matches the engine’s accessory drive system. It is recommended to inspect the serpentine belt for wear and replace it if necessary during installation. Proper torque specifications should be followed to secure the tensioner assembly without causing damage.

Quality Assurance and Warranty Information

Dayco manufactures the 89239 accessory drive belt tensioner assembly to meet OEM standards for durability and performance. This part undergoes rigorous quality control to ensure reliable operation in demanding automotive environments. While specific warranty details may vary, Dayco typically offers coverage against defects in materials and workmanship, providing confidence in the product’s longevity and function.

BrandDayco
Part Number89239
Belt TypeSerpentine
DirectionClock Wise
Number of Pulleys1
Pulley 1 Diameter100
Pulley 1 FlatY
Pulley 1 Width30
TypeAutomatic

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996ChevroletG307.4LV8N/A
1996GMCG35007.4LV8N/A
1995ChevroletG307.4LV8N/A
1995GMCG35007.4LV8N/A
1994ChevroletG307.4LV8N/A
1994GMCG35007.4LV8N/A
1993CadillacCommercial Chassis5.7LV8N/AStandard radiator coolant hose.
1993CadillacFleetwoodN/AStandard radiator coolant hose.
1993ChevroletG307.4LV8N/A
1993GMCG35007.4LV8N/A
1992ChevroletCamaro3.1LV6N/A
1992ChevroletG307.4LV8N/A
1992GMCG35007.4LV8N/A
1992PontiacFirebird3.1LV6N/A
1991ChevroletCamaro3.1LV6N/A
1991PontiacFirebird3.1LV6N/A
1990ChevroletCamaro3.1LV6N/A
1990PontiacFirebird3.1LV6N/A
1989ChevroletCamaro2.8LV6N/A
1989PontiacFirebird2.8LV6N/A
1988ChevroletCamaro2.8LV6N/A
1988PontiacFirebird2.8LV6N/A
1987ChevroletCamaro2.8LV6N/A
1987PontiacFirebird2.8LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

38101

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.