CARQUEST

CARQUEST Auto Parts

Part Information

DAY - DAYCO

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MFG Code: DAY
Part Number: 999034A

Description
BELT TENSIONER

Specifications
USA Warranty: LIMITED LIFETIME REPLACEMENT

Features & Benefits
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance.
  • Internal "round spring" technology to provide constant belt tension and alignment throughout its service life.
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Professional Mechanics will change this tensioner in approx. 20 minutes.
  • Due to the fact that belts and tensioners have similar Original Equipment "design life targets", it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner.
  • Therefore, doing both together will extend accessory drive life and lower overall labor versus performing these services separately.
  • Installation instructions included.
MSDS Sheets
- No MSDS sheet available
Application Summary
  • Buick - Rainier V8 5.3 (2004-2007) - Air Conditioning
  • Cadillac - Escalade (2002-2008) - Air Conditioning; Escalade ESV (2003-2008) - Air Conditioning; Escalade EXT (2002-2008) - Air Conditioning
  • Chevrolet - Avalanche (2007-2008) - Air Conditioning; Avalanche 1500 (2002-2006) - Air Conditioning; Express Vans (2003-2005) - Air Conditioning, V8 4.8 (2003-2008) - Air Conditioning, V8 5.3 (2003-2008) - Air Conditioning, V8 6.0 (2003-2008) - Air Conditioning; LCF 3500 (2018-2019) - Air Conditioning, V8 6.0 (2016-2020) - Air Conditioning; LCF 4500 V8 6.0 (2016-2020) - Air Conditioning; Silverado Pickups (1999-2006) - Air Conditioning, V8 4.8 (1999-2008) - Air Conditioning, V8 5.3 (1999-2008) - Air Conditioning, V8 6.0 (2001-2008) - Air Conditioning; Silverado 1500 Classic V8 4.8 (2007) - Air Conditioning, V8 5.3 (2007) - Air Conditioning, V8 6.0 (2007) - Air Conditioning; Silverado 1500 HD Classic (2007) - Air Conditioning; Silverado 2500 HD Classic V8 6.0 (2007) - Air Conditioning; Silverado 3500 Classic V8 6.0 (2007) - Air Conditioning; Suburbans (2000-2008) - Air Conditioning, V8 6.0 (2001-2006) - Air Conditioning; SSR (2003-2006) - Air Conditioning; Tahoe (2001-2007) - Air Conditioning, V8 4.8 (2000-2008) - Air Conditioning, V8 5.3 (2000-2008) - Air Conditioning, V8 6.2 (2008) - Air Conditioning; Trailblazer V8 5.3 (2006-2008) - Air Conditioning, V8 6.0 (2006-2009) - Air Conditioning; Trailblazer EXT V8 5.3 (2003-2006) - Air Conditioning; W-Series Tiltmasters V8 6.0 (2003-2007) - Air Conditioning
  • GMC - Envoy V8 5.3 (2005-2009) - Air Conditioning; Envoy XL V8 5.3 (2003-2006) - Air Conditioning; Envoy XUV V8 5.3 (2004-2005) - Air Conditioning; Savana Vans (2003-2005) - Air Conditioning, V8 4.8 (2003-2008) - Air Conditioning, V8 5.3 (2003-2008) - Air Conditioning, V8 6.0 (2003-2008) - Air Conditioning; Sierra Pickups (1999-2006) - Air Conditioning, V8 4.8 (1999-2008) - Air Conditioning, V8 5.3 (1999-2008) - Air Conditioning, V8 6.0 (2001-2008) - Air Conditioning, V8 6.2 (2007-2008) - Air Conditioning; Sierra 1500 Classic V8 4.8 (2007) - Air Conditioning, V8 5.3 (2007) - Air Conditioning, V8 6.0 (2007) - Air Conditioning; Sierra 1500 HD Classic (2007) - Air Conditioning; Sierra 2500 HD Classic V8 6.0 (2007) - Air Conditioning; Sierra 3500 Classic V8 6.0 (2007) - Air Conditioning; W-Series V8 6.0 (2003-2007) - Air Conditioning; Yukons (2000-2008) - Air Conditioning, V8 4.8 (2000-2008) - Air Conditioning, V8 5.3 (2000-2008) - Air Conditioning, V8 6.0 (2001-2006) - Air Conditioning, V8 6.2 (2008) - Air Conditioning
  • Hummer - H2 (2003-2008) - Air Conditioning
  • Isuzu - Ascender V8 5.3 (2003-2006) - Air Conditioning; NPR V8 6.0 (2003-2007) - Air Conditioning; NPR-HD V8 6.0 (2003-2007) - Air Conditioning
  • Saab - 9-7x V8 5.3 (2005-2009) - Air Conditioning, V8 6.0 (2008-2009) - Air Conditioning
  • Workhorse - Med/HD Trucks (2007-2009)
  • Workhorse Custom Chassis - Med/HD Trucks (2004-2009)
Product Bulletins
- No bulletins available
Interchange Numbers
- No interchange numbers available
Specification Documents
- No specifications available