Sierra Carburetor Mounting Gasket 18-2509 Replaces 27-67751

The Sierra 18-2509 Carburetor Mounting Gasket seals the joint between the carburetor and intake manifold, preventing air and fuel leaks that can cause a lean-running condition, rough idle, or hard starting. This gasket is a direct cross-reference for OEM number 27-67751, making it a straightforward replacement when servicing the carburetor mounting surface. As a mounting gasket, it is designed to create a reliable, uniform seal against the mating surfaces of the carburetor base and manifold, restoring proper compression and preventing unmetered air from entering the fuel/air mixture. Replacing a worn or hardened carburetor mounting gasket is a routine step whenever the carburetor is removed for cleaning, rebuilding, or replacement, and using the correct gasket helps avoid vacuum leaks that are difficult to diagnose once the carburetor is reinstalled. The Sierra 18-2509 is lightweight and sized specifically for this mounting application.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-2509
• Product Name: Carburetor Mounting Gasket
• UPC: 030999312068
• Weight: 0.04 pounds

Replaces (OEM)

• 27-67751

Frequently Asked Questions

What does the Sierra 18-2509 gasket fit? The Sierra 18-2509 is a carburetor mounting gasket that seals the carburetor to the intake manifold.

Is the 18-2509 a direct replacement for OEM 27-67751? Yes, the Sierra 18-2509 carburetor mounting gasket directly cross-references to OEM number 27-67751.

How much does the 18-2509 carburetor mounting gasket weigh? It weighs 0.04 pounds.

When should I replace the carburetor mounting gasket? Replace the Sierra 18-2509 whenever the carburetor is removed for cleaning, rebuilding, or replacement, or if you notice a vacuum leak, rough idle, or hard starting caused by a worn or hardened gasket.

What happens if the carburetor mounting gasket fails? A failed carburetor mounting gasket, such as the Sierra 18-2509, allows unmetered air into the fuel/air mixture, which can cause a lean-running condition, rough idle, or difficulty starting.

What is the UPC for the Sierra 18-2509 gasket? The UPC for the Sierra 18-2509 carburetor mounting gasket is 030999312068.

Can this gasket be reused after removal? No, the Sierra 18-2509 carburetor mounting gasket should be replaced with a new one any time the carburetor is removed, since gaskets do not reseal reliably once disturbed.

Is the 18-2509 an OEM or aftermarket gasket? The Sierra 18-2509 is an aftermarket gasket manufactured to cross-reference and replace OEM part 27-67751.

What is included when I order the 18-2509? Ordering the Sierra 18-2509 includes one carburetor mounting gasket.

Does the Sierra 18-2509 require any additional sealant? The dossier does not specify a sealant requirement for the 18-2509 carburetor mounting gasket; follow your engine manufacturer's service instructions for installation.