Help keep oil from seeping past the distributor base with the FEL-PRO distributor mounting gasket, part number 12665, a Premium-grade gasket that seals the joint between the distributor and its mounting surface on the engine. It fits many vehicles, among them the 1958-1974 Chevrolet Impala (L6-3.8L, L6-4.1L), 1975 Chevrolet Malibu (L6-4.1L) and 1960-1966 Chevrolet Suburban (L6-3.8L, L6-4.1L, L6-4.3L, L6-4.8L), as a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list.
- Built for the repair environment: FEL-PRO designs its gaskets for real-world repair work, to deliver a reliable seal even on troublesome applications.
- Made for imperfect surfaces: Designed to seal surfaces that are less than perfect, and manufactured with proprietary materials.
- Application-specific design: Shaped for its listed applications to ensure a precise fit, and validated for fit, form and function.
- Original equipment specifications: FEL-PRO rates this gasket to meet or exceed all original equipment specifications.
Specifications: Outside diameter 1.562 in (39.7 mm). The listed applications use one gasket. Country of origin: United States.
Oil residue or seepage around the distributor base can be a sign that the mounting gasket may need replacing. Diagnose the source of any leak before replacing parts. It is good practice to install a fresh gasket whenever the distributor is removed and reinstalled.
Interchange: 3145118 · 79268 · 6256636 · B26466 · 702672 · 720011 · 711449100
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
3145118, 79268, 6256636, B26466, 702672, 720011, 711449100
Frequently Asked Questions
What does a distributor mounting gasket do?
It seals the joint between the distributor housing and its mounting surface on the engine. This helps keep oil from seeping out around the distributor base.
Does the FEL-PRO 12665 fit a 1958-1974 Chevrolet Impala?
Yes. It is listed for the 1958-1974 Chevrolet Impala with L6-3.8L and L6-4.1L engines. See the "Vehicles it fits" section for every listed vehicle and engine.
What size is this gasket?
The FEL-PRO 12665 has an outside diameter of 1.562 in (39.7 mm).
How many gaskets do I need?
The listed applications use one distributor mounting gasket each, and the minimum order quantity is one.
What are signs the distributor mounting gasket may need replacing?
Oil residue or seepage around the distributor base can point to a worn gasket, so confirm the leak's source first. A new gasket is also good practice whenever the distributor is removed.
