Dayco 89382 Accessory Drive Belt Tensioner Assembly - Water Pump

Brand Dayco 89382
Position Water Pump
Belt Type Serpentine
Direction Clock Wise
Number of Pulleys 1
Pulley 1 Diameter 52
Pulley 1 Number of Grooves 3
Pulley 1 Width 15
Type Automatic
Fits Mazda · 3 vehicles

Automatic tensioner assembly. Maintains proper belt tension for consistent accessory drive performance.

Serpentine belt compatible. Built for serpentine belt systems with a single-groove pulley.

Clockwise rotation. Configured for the specified belt travel direction.

Cross-references ACDelco 39105, CARQUEST 39105 and Duralast 305382 for the same application. See all 11.

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Dayco 89382 Accessory Drive Belt Tensioner

Dayco 89382 is an automatic accessory drive belt tensioner assembly for serpentine belt systems. It is listed for the water pump position on 2003-2005 Mazda 6 applications and is built around a single 52 mm pulley with a 3-groove, 15 mm-wide design.

Key Features

  • Automatic accessory drive belt tensioner assembly for serpentine belt routing
  • Clockwise direction
  • Single pulley design with 52 mm pulley diameter
  • 3-groove pulley, 15 mm pulley width
  • Direct fit for 2003-2005 Mazda 6 water pump applications
  • Dayco part number 89382

Detailed Description

This Dayco accessory drive belt tensioner assembly is engineered for serpentine belt systems that require automatic belt tension control. The pulley specification includes a 52 mm diameter, three grooves, and a 15 mm width, with clockwise rotation noted for the application. For buyers searching for a 2003-2005 Mazda 6 water pump belt tensioner, Dayco 89382 provides the exact fitment reference needed for service work on the accessory drive belt system. This part cross-references ACDelco 39105 and Gates 39105 for the same application.

What It Helps Fix

  • Belt slack in the accessory drive system
  • Noise from a worn or unstable serpentine belt tensioner
  • Uneven belt tracking at the water pump drive position
  • Loss of proper belt tension on 2003-2005 Mazda 6 models
  • Service replacement for a failing automatic tensioner assembly

Installation Notes and Tips

Verify pulley groove count, pulley diameter, and clockwise rotation before installation. Confirm the vehicle is a 2003-2005 Mazda 6 with the water pump position listed in the fitment data. Inspect the serpentine belt and adjacent accessory drive components for wear before completing the repair. Match the Dayco 89382 tensioner to the existing belt routing and mounting points during service.

Quality Assurance

Dayco is a recognized name in accessory drive belt system components, and this tensioner is cataloged with OE-style interchange references for the same application. Confirmed interchange references include Ford 3M4E-8W508-BA and Mazda AJ58-15-980.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005Mazda63.0LV6Water Pump
2004Mazda63.0LV6Water Pump
2003Mazda63.0LV6Water Pump
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 39105CARQUEST — 39105Duralast — 305382Ford — 3M4E-8W508-BAFord — 3M4Z-8W508-AFord — 3M4Z-8W508-BAGates — 39105Goodyear — 49453Magnum — 49453MMazda — AJ58-15-980NAPA — 39105