The Black Diamond 5 HP 2 Stage Maintenance Kit helps protect your investment while extending the life and performance of your air compressor. Designed specifically for Black Diamond 5 HP two stage air compressors, this kit includes the essential components required for proper maintenance, ensuring your equipment continues to operate at peak efficiency. When purchased within 30 days of the air compressor, the maintenance kit extends the pump warranty from standard coverage to a total of up to 4 years. This kit is a simple and effective way to maintain optimal performance and enhance longevity.