Keep the serpentine belt taut and every accessory turning with the Dorman – TECHoice Accessory Drive Belt Tensioner Assembly 419-112. This Dorman belt tensioner is an automatic tensioner (tensioner only) that mounts in the accessory drive to maintain proper tension when an original belt is slipping, worn, or has failed from fatigue. It drops in as a direct-fit replacement across a large GM V8 lineup, including the 1999-2013 Chevrolet Silverado 1500, 1999-2013 GMC Sierra 1500, 2002-2014 Cadillac Escalade, and 2007-2013 Chevrolet Avalanche in V8-4.8L, V8-5.3L, V8-6.0L, and V8-6.2L engines — see the Buyer’s Guide tab for the full list of applications.
- Automatic tensioning: applies constant load to help hold correct serpentine belt tension.
- 6-groove pulley: polyamide pulley riding on a single pulley bearing (40 mm) with clockwise (CW) rotation.
- Built to spec: designed and manufactured to strict specifications for reliable performance.
Squeal, chirp, a fluttering belt, or rapid belt wear can be signs the tensioner may need replacing; if a worn tensioner is the cause, this unit restores its function. Country of origin: China.
Interchange: KR-90253
KR90253 · 12609719 · 5843 · 49275 · 89253 · 45843 · 38158 · 39431 · 12554027 · 12580162 · 8125540270 · 8125801620 · SK89253 · SKAPV3038
