Rochester 2 & 4 Barrel Electric Choke Thermostat - TH1051

Rochester 2 & 4 Barrel Electric Choke Thermostat

32 Review(s)

Your Price: $23.95

Shaft rotates clockwise to close choke (rich) 2.25" cap diameter

Part Number: TH1051

Availability: In Stock

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Description
Customer Reviews

Rochester 1, 2 & 4 barrel carburetor electric choke.

This thermostat can also be used on the marine 2gc type of carburetor where the choke is mounted near the top of the carburetor. Also works on most Mercarb carburetors.

FEATURES:

Exact original equipment replacement
Housing mate with original equipment connector
Automatic operation in all temperatures
Durable, over one million field tested
High performance, restoration, street/strip, marine, and custom configurations available

TECHNICAL:
Works on the older 2 jet where the hot air tube connects to the center of the thermostat.
Works on the older Rochester 1 barrel carburetor where the hot air tube connects to the center of the thermostat.

The winding on this choke may not match your old thermostat.

Do not use a gasket behind the thermostat. The thermostat uses the back plate to ground.
Connect to 12v source when the key is on.

SPECS:

Looking at coil = rotates counter-clockwise when heated (choke opens / lean)
Choke shaft = rotates clockwise when heated (choke opens / lean)
Choke shaft = rotates counter-clockwise to close (choke closes / rich)
Cap diameter = 2.25"

APPLICATIONS:

You must match your carburetor number to get the correct part.

MAKE

YEAR

MODEL

CYLS

TYPE

BUICK

1978

231 CENTURY, LESABRE, REGAL

M4MC

CADILLAC

1976-78

ALL

M4MC, M4ME

CHEVROLET/GMC TRUCK

1975-77

454 C10

R-4

CHEVROLET/GMC TRUCK

1978

EL CAMINO 200

2 JET

MERCURY MARINE

MCM 200, 898 W/305" 5.0L 8CYL.

MERCARB

MERCURY MARINE

MIE 5.7L W/350 MAG 8CYL.

MERCARB

MERCURY MARINE

MCM 90, 110, 120, 140 W/95.5" 1.6L, 153" 2.5L, 181" 3.0L, 181" 2.9L, 185" 3.0L, 153" 2.5L, 185" 3.0L 4CYL.

2GC

MERCURY MARINE

MCM 140, 150, 160, 165 W/230" 3.8L, 250" 4.1L 6CYL.

2GC

MERCURY MARINE

MCM / MIE 470 W/224" 3.7L 4CYL.

2GC

MERCURY MARINE

MCM 888 W/302" 4.9L 8CYL.

2GC

MERCURY MARINE

MCM 888 W/302" 4.9L 8CYL.

2GC

MERCURY MARINE

MCM / MIE 133 W/351" 5.8L 8CYL.

2GC

MERCURY MARINE

MCM / MIE 485 W/351" 5.8L 8CYL.

2GC

MERCURY MARINE

MCM / MIE 198, 200, 898 W/305" 5.0L, 350" 5.7L 8CYL.

2GC

MERCURY MARINE

2GC

NaN

Click on carb numbers to get associated parts.

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Average Customer Ratings

5.0

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Excellent

The choke thermostat arrived quickly and went directly in place of the original one and has worked flawlessly since. I couldn't be happier