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Gates DriveAlign automatic serpentine belt tensioner 38103, OEM-style replacement
Gates DriveAlign Automatic Serpentine Belt Tensioner 38103
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Load image into Gallery viewer, Gates DriveAlign automatic serpentine belt tensioner 38103, OEM-style replacement
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Gates DriveAlign Automatic Serpentine Belt Tensioner 38103

2 8
166498746799
In stock
Engine Components
A$75.17
PRODUCT OVERVIEW The Gates DriveAlign Automatic Belt Tensioner 38103 is designed to maintain correct serpentine belt...
A$75.17
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Gates DriveAlign Automatic Serpentine Belt Tensioner 38103
Description

PRODUCT OVERVIEW

The Gates DriveAlign Automatic Belt Tensioner 38103 is designed to maintain correct serpentine belt tension for reliable accessory drive performance and reduced belt noise, slip, and wear.

KEY FEATURES

  • OE-style fit and function for specified applications
  • Automatic tension adjustment to maintain correct belt tension
  • Engineered to meet or exceed original performance
  • Helps reduce belt squeal, slip, and premature belt failure
  • Durable construction for long service life under varying engine loads

BENEFITS

  • Supports consistent charging system operation
  • Helps maintain power steering and A/C performance
  • Minimises risk of belt throwing or breakage
  • Reduces comeback repairs related to belt drive issues

TECHNICAL NOTES

Tensioners are subject to wear from dirt ingress, stop-start driving, and continuous cycling during engine operation. An average automatic tensioner can cycle hundreds of millions of times over its service life, leading to spring and damper fatigue.

For optimal performance and reliability, it is recommended to replace the automatic belt tensioner at the same time as the serpentine belt and associated pulleys where practical.

RECOMMENDED SERVICE PRACTICE

  • Inspect belt tensioner whenever the serpentine belt is replaced
  • Replace belt, tensioner, and idler pulleys together to maintain system performance
  • Check for noise, misalignment, or belt tracking issues after installation

PART DETAILS

  • Brand: Gates
  • Series: DriveAlign Automatic Belt Tensioner
  • Part Number: 38103

Always confirm part number 38103 against your vehicle details and existing components before purchase and installation.

Vehicle Compatibility

Make Model Year Submodel Variant Engine Notes
Gmc Sierra 1500 2004 Crew Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2004 Crew Cab Pickup 4.3 4WD AWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2004 Standard Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2004 Standard Cab Pickup 4.3 4WD AWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2003 Crew Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2003 Crew Cab Pickup 4.3 4WD AWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2003 Standard Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2003 Standard Cab Pickup 4.3 4WD AWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 2002 Ute 4.3 RWD Petrol 4.3L 6cyl 149kW L35(262CUL6) 4300cc 149kW (Petrol)
Gmc Sierra 1500 2002 Extended Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2002 Extended Cab Pickup 4.3 4WD AWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2002 Standard Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2002 Standard Cab Pickup 4.3 4WD AWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 2001 Ute 4.3 RWD Petrol 4.3L 6cyl 149kW L35(262CUL6) 4300cc 149kW (Petrol)
Gmc Sierra 1500 2001 Extended Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2001 Extended Cab Pickup 4.3 4WD AWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2001 Standard Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 1500 2001 Standard Cab Pickup 4.3 4WD AWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
Gmc Sierra 2000 Ute 4.3 RWD Petrol 4.3L 6cyl 149kW L35(262CUL6) 4300cc 149kW (Petrol)
Gmc Sierra 1500 2000 Extended Cab Pickup 4.3 RWD Petrol 4.3L 6cyl 149kW LU3 4300cc 149kW (Petrol)
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