HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89235 Accessory Drive Belt Tensioner Assembly
Part #: 89235

Dayco 89235 Accessory Drive Belt Tensioner Assembly

⚙️ 35 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$81.94Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Ram 3500, Ram 2500, D250, D350, W250, and W350
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Accessory Drive Belt Tensioner Assembly 89235

The Dayco 89235 accessory drive belt tensioner assembly is designed for reliable serpentine belt tensioning in select Dodge trucks. This automatic tensioner supports smooth operation of the accessory drive system in Dodge D250, D350, Ram 2500, Ram 3500, W250, and W350 models.

  • Compatible with serpentine belt systems
  • Clockwise rotation direction
  • Single pulley design with 76 mm diameter
  • Pulley width of 31 mm with flat surface
  • Automatic tensioner type for consistent belt tension

Technical Details and Specifications

The Dayco 89235 tensioner assembly features a single pulley with a 76 mm diameter and a 31 mm wide flat surface, optimized for serpentine belt applications. Its clockwise rotation direction ensures proper alignment and tensioning within the accessory drive belt system. The automatic tensioner design maintains consistent belt tension, reducing wear and improving accessory performance. This part is engineered specifically for Dodge heavy-duty trucks including the D250, D350, Ram 2500, Ram 3500, W250, and W350, ensuring precise fitment and function.

Compatible Vehicles and Applications

This accessory drive belt tensioner assembly is compatible with the following Dodge models:

  • Dodge D250
  • Dodge D350
  • Dodge Ram 2500
  • Dodge Ram 3500
  • Dodge W250
  • Dodge W350

It is designed to work with serpentine belt systems in these vehicles, providing reliable tensioning for optimal accessory drive performance.

Common Issues Addressed by This Tensioner

  • Eliminates belt slippage caused by improper tension
  • Prevents premature belt wear and cracking
  • Reduces noise from loose or misaligned belts
  • Maintains consistent accessory drive performance
  • Helps avoid overheating due to accessory failure

Installation Notes and Tips

When installing the Dayco 89235 tensioner assembly, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Verify the clockwise rotation direction matches the original equipment. Use appropriate tools to relieve tension safely before removal and installation. Inspect the belt and pulleys for wear during replacement to ensure optimal system performance.

Quality Assurance and Warranty

Dayco manufactures the 89235 tensioner assembly to meet or exceed OEM specifications for durability and performance. This part undergoes rigorous quality control to ensure reliable operation in demanding conditions. Warranty coverage details should be confirmed with the supplier or manufacturer, typically including protection against defects in materials and workmanship.

BrandDayco
Part Number89235
Belt TypeSerpentine
DirectionClock Wise
Number of Pulleys1
Pulley 1 Diameter76
Pulley 1 FlatY
Pulley 1 Width31
TypeAutomatic

This part fits 35 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002DodgeRam 35005.9LV8N/A
2001DodgeRam 25008.0LV10N/AExc. Calif.
2001DodgeRam 35005.9LV8N/A
2001DodgeRam 35008.0LV10N/AExc. Calif.
2000DodgeRam 25008.0LV10N/AExc. Calif.
2000DodgeRam 35005.9LV8N/A
2000DodgeRam 35008.0LV10N/AExc. Calif.
1999DodgeRam 25008.0LV10N/AExc. Calif.
1999DodgeRam 35005.9LV8N/A
1999DodgeRam 35008.0LV10N/AExc. Calif.
1998DodgeRam 25008.0LV10N/AExc. Calif.
1998DodgeRam 35005.9LV8N/A
1998DodgeRam 35008.0LV10N/AExc. Calif.
1997DodgeRam 25008.0LV10N/AExc. Calif.
1997DodgeRam 35005.9LV8N/A
1997DodgeRam 35008.0LV10N/AExc. Calif.
1996DodgeRam 25005.9LV8N/A
1996DodgeRam 25008.0LV10N/A
1996DodgeRam 35005.9LV8N/A
1996DodgeRam 35008.0LV10N/A
1995DodgeRam 25005.9LV8N/A
1995DodgeRam 25008.0LV10N/A
1995DodgeRam 35005.9LV8N/A
1995DodgeRam 35008.0LV10N/A
1994DodgeRam 25008.0LV10N/A
1994DodgeRam 35005.9LV8N/A
1994DodgeRam 35008.0LV10N/A
1993DodgeD2505.9LV8N/A
1993DodgeD3505.9LV8N/A
1993DodgeW2505.9LV8N/A
1993DodgeW3505.9LV8N/A
1992DodgeD2505.9LV8N/A
1992DodgeD3505.9LV8N/A
1992DodgeW2505.9LV8N/A
1992DodgeW3505.9LV8N/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:

38180

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