Description: All models. 3.8l. Bonneville, LeSabre. Without supercharged, lower. LaCrosse. 3.8l. Park Avenue. Impala, Monte Carlo. 3.8l. Grand Prix. 3.8l. Lucerne. 3.8l. Riviera. 3.8L, lower, without supercharger.

Description: Without supercharged, upper. LeSabre. All models. 3.8l. Riviera. 3.8L, upper, without supercharger. Bonneville. 3.8l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors