The Generac Protector Diesel Fuel Cap is a genuine replacement and installation component engineered for use with Generac Protector Series diesel home standby generators. Designed to create a tight, secure seal, this fuel cap helps prevent contamination, leaks, and fuel system issues.
Built to Generac’s quality standards, the 6512 fuel cap is ideal for replacement during maintenance or service and ensures continued reliability of the generator’s diesel fuel system. It is an essential component for maintaining proper fuel system integrity and dependable standby generator performance.
Specifications
Model Number: 6512
Product Type: Fuel cap
Generator Series: Generac Protector Diesel
Function: Seals and protects fuel system
Application: Home standby generator fuel systems

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