Breather Cover

The Breather Cover by ALLSTAR PERFORMANCE is a water-repellent protective bag designed to shield engine breather systems and components from moisture, debris, and environmental contaminants. Built for automotive enthusiasts, engine builders, and professional mechanics, this universal cover addresses a critical need in engine maintenance: preventing water ingress into crankcase ventilation systems that can compromise oil integrity and engine longevity. Whether your vehicle sits in storage, undergoes seasonal maintenance, or operates in humid or wet conditions, the Breather Cover delivers practical protection during both active use and downtime.

Constructed from water-repellent cotton material, the Breather Cover features a 3-inch outer diameter (OD) accommodation, making it compatible with standard breather canisters and vent tubes found on most performance and street engines. The integrated draw-string closure ensures a secure, adjustable fit that accommodates slight variations in breather assembly sizes without slipping or shifting during operation or transport. The water-resistant cotton blend provides breathability—preventing condensation buildup inside the cover—while actively shedding surface moisture. Its compact dimensions (4 x 1.4 x 4.25 inches) and ultralight 0.05 lb weight mean zero performance penalty and easy storage in any toolbox or engine bay.

This universal breather cover suits hot rodders, classic car restorers, drag racing crews, and daily-driver enthusiasts who demand reliability under variable conditions. The ALLSTAR logo-branded design reflects professional-grade engineering standards. Installation requires no tools—simply slide over the breather assembly and cinch the draw strings for immediate protection. Ideal for long-term storage, car shows, trail runs, or year-round outdoor parking, the Breather Cover is a cost-effective insurance policy against water-related engine issues, particularly valuable for carbureted engines and open-element air systems where breather integrity directly impacts performance and engine health.