Shop 1988 Buick Century Accessory Drive Belt Idler Pulley. 6.6 LITER DIESEL, W/DUAL ALTERNATORS, type 2 DIESEL, Dual, Alternator - OEM Buick Part # 12708716 (12678981)

Accessory Drive Belt Idler Pulley.
Accessory Drive Belt Idler Pulley. Dual Alternators. Single Alternator.

Accessory Drive Belt Idler Pulley

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL, W/DUAL ALTERNATORS, type 2. 6.6 LITER DIESEL, W/O DUAL ALTERNATORS, type 2. Silverado, Sierra 2500 HD; Dual Alternator; Diesel; Lower; Center. Silverado, Sierra 2500 HD; Single Alternator; Diesel; Center. Silverado, Sierra 3500 HD; Dual Alternator; Diesel; Lower; Center. Silverado, Sierra 3500 HD; Single Alternator; Diesel; Center.
Drive Belt Idler Pulley - Repair or Replace
If you've noticed that the drive belt on your is becoming worn or is making a squealing noise, your drive belt idler pulley may be worn out. Replacing your drive belt idler pulley may be the solution.