The Gates 38172 DriveAlign Belt Tensioner Assembly is engineered to provide exceptional tension stability, ensuring your vehicle's accessory belts function optimally. Perfect for Chevrolet and GMC models, this belt tensioner utilizes Gates' advanced vibration-damping technology, enhancing the lifespan of your belt and accessories. The use of OE-quality materials and design ensures this product meets or exceeds original equipment specifications, guaranteeing a precise fit and dependable performance. Replace your worn or faulty tensioner with the Gates DriveAlign Tensioner to restore your vehicle’s reliability and efficiency. The patented labyrinth seals protect the internal components, ensuring a long-lasting solution against dust and moisture, while the torsional round spring design promotes consistent tension, vital for maintaining accessory drive functioning at peak levels. Whether you're a DIY enthusiast or a professional mechanic, this tensioner assembly is an essential part that offers peace of mind with its robust construction and superior performance.

• OE-quality materials ensure factory match and performance
• Patented vibration-damping system reduces belt wear
• Labyrinth seal protects components, extending lifespan
• Torsional round spring for consistent tension
• Compatible with Chevrolet and GMC models
• Thermoplastic construction for durability

Bearing Bore Inside Diameter:	17
Belt Type:	V-Ribbed
Groove Quantity:	6
Material:	Thermoplastic
OE Comparison Rating:	OE Exact
Outside Diameter:	70
Pulley 1 Flanged:	Yes
Puersoqestioner Langht:	1
Mounting Hole Quantity:	1
Width:	24

• ACDelco: 38172
• Alliance Truck Parts: GT38172
• CARQUEST: 38172
• Dayco: 305259
• Dayco: 89259
• Four Seasons: 45541
• General Motors: 8973290620
• General Motors: 97288625
• General Motors: 97329062
• Goodyear: 49278
• Hummer: 5745877
• Isuzu: 8972886250
• Litens: 999041A
• NAPA Belts/Hose: 38172
• SKF: VKM999041
• Tendeco: 999041

• 2002-2010 Chevrolet Silverado 2500 HD
• 2002-2010 GMC Sierra 2500 HD
• 2002-2006 GMC Sierra 3500
• 2006-2009 GMC Savana 2500
• 2006-2009 GMC Savana 3500
• 2006 Hummer H1
• 2007 Chevrolet Silverado 3500 Classic
• 2007 GMC Sierra 2500 HD Classic
• 2007 GMC Sierra 3500 Classic
• 2007-2010 GMC Sierra 3500 HD
• 2002-2006 Chevrolet Silverado 3500
• 2006-2009 Chevrolet Express 2500
• 2006-2009 Chevrolet Express 3500
• 2007 Chevrolet Silverado 2500 HD Classic
• 2007-2010 Chevrolet Silverado 3500 HD