The GRACO 158066 CAP, REGULATOR is an original GRACO replacement part designed to ensure precise regulation and secure operation within GRACO finishing equipment. Its material is not explicitly specified in available sources, but it is intended to maintain the functionality and reliability of GRACO regulators and related systems. Key Features: Regulator Cap Designed for use with GRACO finishing equipment; specific models not listed Essential for maintaining equipment functionality Original GRACO part for reliability and fit Ease of maintenance not detailed Applications:Used in GRACO finishing equipment to secure and regulate components, ensuring proper operation and safety. Installation Notes: Using genuine GRACO parts like the 158066 CAP, REGULATOR ensures optimal performance, safety, and longevity of equipment. Not specified Consult equipment manual for specific installation instructions Ensure compatibility with your GRACO equipment before installation Regularly inspect and replace worn or damaged regulator caps to maintain system integrity