• BOXI Automatic Belt Tensioner Assembly for Buick Rainier
  • BOXI Automatic Belt Tensioner Assembly for Buick Rainier — product photo 2
  • BOXI Automatic Belt Tensioner Assembly for Buick Rainier — product photo 3
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  • BOXI Automatic Belt Tensioner Assembly for Buick Rainier — product photo 5
  • BOXI Automatic Belt Tensioner Assembly for Buick Rainier — product photo 6

BOXI Automatic Belt Tensioner Assembly for Buick Rainier/Chevy Colorado Trailblazer/for GMC Canyon Envoy/for Hummer H3 H3T/for Isuzu Ascender i-280/Olds Bravada/for Saab 9-7X | 89034219 38178 419-125

98 in stock
$26.99
$26.99
Shipping calculated at checkout.
SKU: BX03900006-1
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Brand-new BOXI Drive Belt Tensioner — a direct-fit replacement engineered to restore like-new performance on compatible vehicles.

Vehicle Fitment

Please verify your vehicle's YEAR / MAKE / MODEL against the list below before ordering to make sure this item is compatible.

  • 2004-07 for Buick Rainier Serpentine Belt Tensioner with Pulley for L6 4.2L
  • 2004-06 for Chevy Colorado Serpentine Belt Tensioner with Pulley
  • 2007-12 for Chevy Colorado Serpentine Belt Tensioner with Pulley for L5 3.7L
  • 2007-12 for Chevy Colorado Serpentine Belt Tensioner with Pulley for L4 2.9L
  • 2002-09 for Chevy Trailblazer Serpentine Belt Tensioner with Pulley for L6 4.2L
  • 2004-06 for GMC Canyon Serpentine Belt Tensioner with Pulley
  • 2007-12 for GMC Canyon Serpentine Belt Tensioner with Pulley for L5 3.7L
  • 2007-12 for GMC Canyon Serpentine Belt Tensioner with Pulley for L4 2.9L
  • 2002-09 for GMC Envoy Serpentine Belt Tensioner with Pulley for L6 4.2L
  • 2007-10 for Hummer H3 Serpentine Belt Tensioner with Pulley for L5 3.7L
  • 2006 for Hummer H3 Serpentine Belt Tensioner with Pulley for L5 3.5L
  • 2009-10 for Hummer H3T Serpentine Belt Tensioner with Pulley for L5 3.7L
  • 2003-08 for Isuzu Ascender Serpentine Belt Tensioner with Pulley for L6 4.2L
  • 2006 for Isuzu i-280 Serpentine Belt Tensioner with Pulley
  • 2007-08 for Isuzu i-290 Serpentine Belt Tensioner with Pulley
  • 2006 for Isuzu i-350 Serpentine Belt Tensioner with Pulley
  • 2007-08 for Isuzu i-370 Serpentine Belt Tensioner with Pulley
  • 2002-04 for Oldsmobile Bravada Serpentine Belt Tensioner with Pulley
  • 2005-09 for Saab 9-7X Serpentine Belt Tensioner with Pulley for L6 4.2L

What's in the Box

  • 1* Belt Tensioner Assembly

Specifications

Brand BOXI
Condition Brand New
Warranty Two-Year Warranty
Shipping Free US Shipping
BOXI Automatic Belt Tensioner Assembly for Buick Rainier/Chevy Colorado Trailblazer/for GMC Canyon Envoy/for Hummer H3 H3T/for Isuzu Ascender i-280/Olds Bravada/for Saab 9-7X | 89034219 38178 419-125

$26.99

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A Decade of Trusted Parts

Serving DIYers and professional mechanics across the U.S. with high-quality, reliable, and affordable auto parts.

Built to OEM Standards

Ball joints, lift supports, tie rods, sway bar links, cooling fans, blower motors, brakes, and more — engineered to meet or exceed OEM specs.

Fast Shipping & Easy Fitment

Ships fast from our California warehouse, with Year/Make/Model search so you find the exact part for your vehicle — the first time.

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