Crankcase Breather Filter

HARDDRIVE Crankcase Breather Filter Optimize engine ventilation with the HARDDRIVE Crankcase Breather Filter. Engineered for reliable performance, this breather filter helps maintain proper crankcase pressure, reduce oil contamination, and extend engine life. Brand: HARDDRIVE Fitment: For part number 820-51578 Function: Filters blow-by gases, prevents contaminants from entering the intake, and supports efficient crankcase ventilation Durable construction: Built to withstand heat, oil exposure, and vibration Easy installation: Direct-fit replacement for quick maintenance Ideal for automotive and powersports applications where reliable crankcase breathing is essential. Replace worn or clogged breathers to prevent pressure buildup and preserve engine performance. Choose HARDDRIVE for quality replacement parts that deliver consistent results.