Fits:
Carter AFB carburetors
Carter WCFB carburetors (May require bi-metal coil to be flipped over)
Carter YF, YFA carburetors
Edelbrock AFB carburetors
Holley 4000 carburetors (Bi-metal coil end may need to be bent into a circle to be able to push and pull the choke lever)
Holley 4150 carburetors (Universal Choke)
MERCURY MARINE carburetors (Mercury Choke OEM # 809066)

High quality stock replacement assembly.

Thermostat diameter: 2.16" (2-3/16")
Depth of case: .925"

When 12v power is supplied to the choke and the element heats up, the bi-metal coil winds-up. When the coil cools down, the coil un-winds.

Note: Bi-metal coil can be carefully removed and flipped over to reverse coil rotation.