Buy 2004 Buick Regal Accessory Drive Belt Tensioner Assembly. 3.8 LITER. 3.8 LITER, all. 3.8 LITER, W/O Supercharger, LITER - OEM Buick Part # 12590766 (12564508, 12621651)

Tensioner. Bracket. Belt. Mount.
Assembled device that applies load to the drive Belt. For Serpentine Belt. Assembly - DRIVE. Accessory Drive Assembly. Alternator. Serpentine.

Accessory Drive Belt Tensioner Assembly

3.8 LITER. 3.8 LITER, all. 3.8 LITER, W/O SUPERCHARGER. 3.8 LITER, W/SUPERCHARGER, serpentine. 3.8 LITER, W/SUPERCHARGER, serpentine belt. 3.8, 3.9 LITER. All Models; 3.8L; All. All Models; 3.8L; All; w/Supercharger; Stamped 12564508. Bonneville, LeSabre. Bonneville, LeSabre; 3.8L. Drive belt. Grand Prix; 3.8L; w/o Supercharger. Impala, Monte Carlo; 3.8L. LaCrosse; 3.8L. Lucerne; 3.8L. Park Avenue. Riviera; w/Supercharger; All. W/O SUPERCHARGER. W/O SUPERCHARGER, 1999-2004. W/O SUPERCHARGER, 1999-2005, w/tension pulley. W/SUPERCHARGER. W/SUPERCHARGER, 1999-2005, w/tension pulley.
Drive Belt Tensioner - Repair or Replace
A squeaking or squealing noise from your engine bay is usually due to a loose drive belt. Consider replacing the drive belt tensioner on your 2004 Buick Regal.