Keep clean, filtered air flowing into your engine with the Premium Guard air filter PA91, a round engine air filter element. It is a direct-fit replacement for many vehicles, among them the 1988-1995 Chevrolet C1500 (V8-5.0L, V8-5.7L; V8-7.4L for 1990-1993), the 1988-1995 Chevrolet K1500 (V8-5.0L, V8-5.7L) and the 1968-1985 Chevrolet Impala (V8-5.0L, V8-5.3L, V8-5.4L, V8-5.7L, V8-6.6L, V8-7.4L). Engine coverage varies by model year; the Buyer's Guide tab shows each exact year-and-engine match.
Premium Guard tests its air filters to demanding standards. The high-efficiency, high-capacity media is designed to let air move through the filter into the engine while capturing dust and debris, for cleaner intake air and longer filter life.
- Engine protection: Premium Guard rates it for up to 99% cleaner air flowing into the engine.
- High-capacity media: Cellulose filter media built to remove dust and other debris.
- Airflow: Designed for increased airflow that supports normal engine performance.
- OE-design fit: Made to fit inside the air filter housing as per the OE design.
Specifications: Round shape; outside diameter 11.56 in (299.97 mm); inlet diameter 9.82 in; height 3.5 in; cellulose filter media; regular grade; not reusable, so replace it rather than cleaning it. The listed applications use one filter. Country of origin: China.
Signs an air filter may need replacing include a visibly dirty or clogged element, or reaching the replacement interval in your vehicle's maintenance schedule.
Fitment also covers other Buick, Cadillac, Checker, Chevrolet and GMC vehicles with the L4-1.8L, V8-4.3L, V8-5.0L, V8-5.3L, V8-5.4L, V8-5.7L, V8-6.0L, V8-6.6L, V8-7.0L and V8-7.4L engines. See the Buyer's Guide tab for the full list.
