This is an original Toro replacement part sourced directly from the manufacturer. The repair kit is commonly found in Toro snowthrowers. This kit includes one large O-ring and one small O-ring, a main adjustment screw, a bowl nut washer, a float shaft, a spring clip, welch plugs for the idle mixture well and the atmospheric vent, a metering needle, an adjustable main jet, and a needle seat. These parts are found in the carburetor assembly.
Repair Kit 631978
OEM part for: Tecumseh, Toro
Part Number: 631978
$14.05
Usually ships in 7 - 12 business days
Leaves our warehouse within 7 - 12 business days
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Compatibility
This part will fit the following 28 machines
Toro
38080 (1000001-1999999)(1981) Snowthrower View Diagrams & Manuals
38080 (0000001-0999999)(1980) Snowthrower View Diagrams & Manuals
38080 (9000001-9999999)(1979) Snowthrower View Diagrams & Manuals
38085 (3000001-3999999)(1983) Snowthrower View Diagrams & Manuals
38085 (2000001-2999999)(1982) Snowthrower View Diagrams & Manuals
38085 (1000001-1999999)(1981) Snowthrower View Diagrams & Manuals
38085 (0000001-0999999)(1980) Snowthrower View Diagrams & Manuals
57305 (8000001-8999999)(1978) Lawn Tractor View Diagrams & Manuals
Tecumseh
CA-631863B Carburetor Part View Diagrams & Manuals
CA-631865A Carburetor Part View Diagrams & Manuals
CA-631957A Carburetor Part View Diagrams & Manuals
CA-631977 Carburetor Part View Diagrams & Manuals
CA-631981 Carburetor Part View Diagrams & Manuals
CA-631982 Carburetor Part View Diagrams & Manuals
CA-632015 Carburetor Part View Diagrams & Manuals
CA-632041 Carburetor Part View Diagrams & Manuals
CA-632115 Carburetor Part View Diagrams & Manuals
CA-632139 Carburetor Part View Diagrams & Manuals
CA-632216 Carburetor Part View Diagrams & Manuals
TEC-631931A Carburetor Part View Diagrams & Manuals
TEC-631979 Carburetor Part View Diagrams & Manuals
TEC-632037 Carburetor Part View Diagrams & Manuals
TEC-632038 Carburetor Part View Diagrams & Manuals
TEC-632111 Carburetor Part View Diagrams & Manuals
TEC-632271 Carburetor Part View Diagrams & Manuals
TEC-632515 Carburetor Part View Diagrams & Manuals
TEC-632037 (1245) Carburetor View Diagrams & Manuals
TEC-632515 (1330) Carburetor View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Snowblower Parts
- Lawn Tractor Parts
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
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Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
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