Homeโ€บ Belts and Cooling > Accessory Drive Belt System Componentsโ€บ Gates 38107 Accessory Drive Belt Tensioner Assembly
Part #: 38107

Gates 38107 Accessory Drive Belt Tensioner Assembly

DriveAlign Premium OE Automatic Belt Tensioner
78 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing โ€” free returns if it doesn't
$41.21Free 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 ยท Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement โ€” Bolt-on fit, no modifications needed
DriveAlign Premium OE Automatic Belt Tensioner
Fitment: Chevrolet and GMC, G30, G3500, Astro, G10, G20, G1500, G2500, and Safari
Easy Returns โ€” Return within 60 days for a full refund
Fast Shipping โ€” Most orders ship same business day before 1pm CST

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38107) is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for Chevrolet and GMC vehicles including the Astro, G10, G20, G30, and Safari models, this tensioner assembly ensures consistent belt performance and longevity.

  • Constructed from durable thermoplastic material for reliable operation
  • Compatible with V-ribbed belt types commonly used in accessory drive systems
  • Features a single pulley with a smooth backside contact surface
  • Outside diameter measures 3.54 inches (90 mm) with a width of 1 inch (25.5 mm)
  • Includes one mounting hole for secure installation
  • Bearing bore inside diameter of 0.67 inches (17 mm) for precise fitment

DriveAlign Premium OE Automatic Belt Tensioner Product Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment (OE) performance standards. This product line is designed to meet or exceed factory specifications, providing reliable tension control for accessory drive belt systems. The 38107 tensioner assembly is part of this line, ensuring compatibility and durability for Chevrolet and GMC vehicles requiring precise belt tension management.

Detailed Product Description

This accessory drive belt tensioner assembly is built with thermoplastic material, offering resistance to wear and environmental factors. The single pulley design without flanges allows smooth belt tracking on V-ribbed belts, which are standard in many Chevrolet Astro and GMC Safari models. The tensionerโ€™s dimensions, including a 3.54-inch outside diameter and 1-inch width, align with OEM specifications to maintain proper belt alignment and tension. The bearing bore inside diameter of 0.67 inches (17 mm) ensures a secure fit on the mounting shaft, contributing to stable operation and reduced noise.

Common Applications and Issues Addressed

  • Maintains correct tension on accessory drive belts to prevent slippage
  • Reduces belt noise caused by improper tension or misalignment
  • Prevents premature belt wear and extends belt life
  • Eliminates vibration and pulley misalignment issues
  • Supports smooth operation of engine accessories such as alternators and power steering pumps

Installation Notes and Tips

  • Ensure vehicle compatibility with Chevrolet Astro, G10, G20, G30, and GMC Safari models before installation
  • Inspect the accessory drive belt for wear and replace if necessary during tensioner installation
  • Use proper tools to remove the old tensioner and install the new assembly securely using the single mounting hole
  • Verify belt alignment and tension after installation to avoid premature wear

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38107 is manufactured to meet OE performance standards, ensuring reliable and consistent operation. Gates provides quality assurance through rigorous testing and material selection. Please refer to Gatesโ€™ official warranty policy for specific coverage details related to this tensioner assembly.

BrandGates
Part Number38107
PositionDriveAlign Premium OE Automatic Belt Tensioner
Bearing Bore Inside Diameter.67
Bearing Bore Inside Diameter17
Bearing Bore Inside Diameter 1 (in).67
Bearing Bore Inside Diameter 1 (mm)17
Belt TypeV-Ribbed
Belt TypeV-Ribbed
Contact SurfaceSmooth/Backside
ContentsTensioner Assy.
MaterialThermoplastic
Mounting Hole Quantity1
OE Comparison RatingOE Performance
Outside Diameter3.54
Outside Diameter90
Outside Diameter (in)3.54
Outside Diameter (mm)90
Pulley 1 FlangedNo
Pulley 1 FlangedNo
Pulley Quantity1
Width1
Width25.5
Width (in)1
Width (mm)25.5

This part fits 78 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1996ChevroletG305.7LV8CNGN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1996ChevroletG305.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1996GMCG35005.7LV8CNGN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1996GMCG35005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletAstro4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletG104.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletG105.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletG204.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletG205.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletG205.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletG304.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletG305.7LV8CNGN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995ChevroletG305.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCG15004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCG15005.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCG25004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCG25005.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCG25005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCG35004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCG35005.7LV8CNGN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCG35005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1995GMCSafari4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994ChevroletAstro4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994ChevroletG104.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994ChevroletG105.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994ChevroletG204.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994ChevroletG205.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994ChevroletG205.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994ChevroletG304.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994ChevroletG305.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994GMCG15004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994GMCG15005.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994GMCG25004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994GMCG25005.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994GMCG25005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994GMCG35004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994GMCG35005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1994GMCSafari4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletAstro4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletG104.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletG105.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletG105.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletG204.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletG205.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletG205.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletG304.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993ChevroletG305.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCG15004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCG15005.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCG15005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCG25004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCG25005.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCG25005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCG35004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCG35005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1993GMCSafari4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletAstro4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletG104.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletG105.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletG105.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletG204.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletG205.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletG205.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletG304.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992ChevroletG305.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCG15004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCG15005.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCG15005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCG25004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCG25005.0LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCG25005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCG35004.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCG35005.7LV8GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1992GMCSafari4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1991ChevroletAstro4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1991GMCSafari4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1990ChevroletAstro4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner
1990GMCSafari4.3LV6GASN/AHVAC heater hose with A/C, fits Serpentine Belt application.; DriveAlign Premium OE Automatic Belt Tensioner

* 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:

100699641018766218022530522538107419-113458934920789225999013999013AGT38107

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