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Rochester Carburetor Parts
2G, 2GC, 2GV, 2 Jet 2 Barrel Carburetor Parts
2 Jet Carburetor Choke Parts
Rochester 2 & 4 Barrel Electric Choke Thermostat
Rochester 2 & 4 Barrel Electric Choke Thermostat - TH1051
Rochester 2 & 4 Barrel Electric Choke Thermostat
29
Review(s)
5
0
5
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
6
M4MC
CADILLAC
1976-78
ALL
8
M4MC, M4ME
CHEVROLET/GMC TRUCK
1975-77
454 C10
8
R-4
CHEVROLET/GMC TRUCK
1978
EL CAMINO 200
6
2 JET
MERCURY MARINE
MCM 200, 898 W/305" 5.0L 8CYL.
8
MERCARB
MERCURY MARINE
MIE 5.7L W/350 MAG 8CYL.
8
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.
4
2GC
MERCURY MARINE
MCM 140, 150, 160, 165 W/230" 3.8L, 250" 4.1L 6CYL.
6
2GC
MERCURY MARINE
MCM / MIE 470 W/224" 3.7L 4CYL.
4
2GC
MERCURY MARINE
MCM 888 W/302" 4.9L 8CYL.
8
2GC
MERCURY MARINE
MCM 888 W/302" 4.9L 8CYL.
8
2GC
MERCURY MARINE
MCM / MIE 133 W/351" 5.8L 8CYL.
8
2GC
MERCURY MARINE
MCM / MIE 485 W/351" 5.8L 8CYL.
8
2GC
MERCURY MARINE
MCM / MIE 198, 200, 898 W/305" 5.0L, 350" 5.7L 8CYL.
8
2GC
MERCURY MARINE
0
2GC
NaN
Click on carb numbers to get associated parts.
1336-2076
1336-3594A1
1338-2633
1338-2991
1351-3635A1
1351-4032A1
1351-4263A1
1351-4263A2
1351-4263A3
1351-4282A1
1351-4293A1
1351-4871A1
1351-5202A1
1351-5203A1
1351-5204A1
1351-6065A2
1351-7263A1
1351-7354A1
1351-7355A1
1351-7356A1
1351-8480A2
1355-7355A1
1376-5659A1
1376-5659A2
1376-5744A1
1376-5990A1
1376-6152A1
1376-6491A1
1376-8295A3
1389-815397A2
1389-9562A1
1389-9563A1
1389-9564A1
1389-9670A2
13899562A1
13899563A1
13899564A1
17055883
17057139
17080350
3310-806077
3310-806077A2
3310-806080A2
3310-806972A1
3310-8073121A1
3310-807764A1
3310-860070A2
3310-861245A1
3310-861448A1
3310-864940A01
3310-864942A01
3310-864943A01
3310-866140A02
3310-866141
3310-964943A01
3310806080
3310806972A1
33108073121A1
3310807504A1
3310807764A1
3310860070A2
3310861448A1
3310864940A01
3310864942A01
3310864943A01
3310866140A02
3310866141A02
7052900
806077
806080
806972
807312
807504
807764
815396
815396A2
815397A2
860070
861245
861448
864940
864942
864943
866140
866141
866142
866143
9562
9564
9670A2
REPLACES: 7043449 277-7
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Great so far
Works just like it's supposed to on my old Rochester 2-barrel marine carburetor. Easier than messing with the corroded old pipe, fittings and questionable threads on the original hot air choke. Took all of 15 minutes to install. You'll need to provide your own power wire, and remember to leave the gasket off the choke housing because this unit grounds directly to it.
Did you find this helpful?
2 of 2
Found Helpful
Reviewed by:
Christopher Baxter
from Seattle, WA on 10/30/2017
5
Goodbye cruddy riser tube
I bought this in hopes that my 55' chevy 210 would finally have a proper working choke. It always seemed like I'd have to keep readjusting the choke at least once a week during the summer in order for the car to start or open the throttle and push up the choke to start. After my wife tried to go somewhere one day and I wasn't home to help start it by pushing the choke lever up, I figured this may fix it, and it did! Used on a factory Rochester 2 barrel with the heat riser tube going in the side of the thermostat housing. Pulled off the old one and the gasket, put the new one on with no gasket, wired the new thermostat to the positive side of the generator (not an alternator) and after 2-3 minutes the choke is kicked off and you are ready to go. I bent the riser tube in half to block the exhaust temporarily until I am able to plug the exhaust manifild. I've been happy ever since. Also, the winding on the inside of the thermostat contains a longer piece of wrapped metal compared to factory and rebuild kits with the hot air thermostat spring replacement. Ditch that piece of junk hot air riser that takes 15 minutes to warm up and buy this with no regrets and no hassle.
Did you find this helpful?
2 of 2
Found Helpful
Reviewed by:
Mathew Martinico
from Hemet on 8/18/2016
5
Old Fart
Nice to have a product like this available. Restoring/Rodding a 56 chevy wagon and did not care to use the original exhaust manifold riser tube. Fit is perfect, No hassle purchase with fast shipping.
Did you find this helpful?
2 of 2
Found Helpful
Reviewed by:
Robert
from Riverside, CA on 7/3/2015
5
2GC electric choke conversion
This is my first carburetor rebuild and Mike helped advise me on this item and helped on lots of other questions relating to the rebuild.
Did you find this helpful?
2 of 2
Found Helpful
Reviewed by:
Phil Lassiter
from Tulsa,Oklahoma on 7/18/2014
5
Mr.
Worked wonderfully on a 1979 Glastron CVX-17SS with Mercruiser 140hp 3.0L engine. Fixed all my starting problems. I had to wire the positive of the choke to the positive of the coil. Very pleased with this electric choke. -andy
Did you find this helpful?
1 of 1
Found Helpful
Reviewed by:
Andrew Bangsberg
from Cumberland on 10/7/2021
5
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
Did you find this helpful?
1 of 1
Found Helpful
Reviewed by:
Kenneth Hitchcock
from Dalhart on 4/5/2021
5
Novice
Used carb kit in past worked grate will install choke in spring
Did you find this helpful?
1 of 1
Found Helpful
Reviewed by:
John
from Wa on 9/28/2020
5
Mercarb
This thermostatic choke replacement is working correctly on my 5.0 Mercruiser with a 2 barrel Mercarb. The boat now starts perfectly and warms up well every time. Much more cost effective than original part and trusted mikes more than the Amazon options.
Did you find this helpful?
Reviewed by:
Seth
from Long Island Sound on 6/26/2023
5
Solved my oroblem
Great price great service to Northern Canada
Did you find this helpful?
Reviewed by:
Dwayne Danchuk
from Dawson Creek on 9/23/2020
5
MR
Worked like a charm and fast shipping. A+++++++
Did you find this helpful?
Reviewed by:
Matt Borgic
from Sainte Marie on 9/20/2020
5
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