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Tecumseh 632370 Carburetor for M70, HM80, HMSK80, HMSK90, HM100 & HMSK100 Engines

Tecumseh 632370 Carburetor for M70, HM80, HMSK80, HMSK90, HM100 & HMSK100 Engines

Last price we saw

$10.12at Monster Scooter Parts, last seen Nov 1

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Our take on the Tecumseh 632370 Carburetor for M70, HM80, HMSK80, HMSK90, HM100 & HMSK100 Engines

The Tecumseh 632370 is a replacement carburetor for several Tecumseh small-engine families, including the M70, HM80, HMSK80, HMSK90, HM100 and HMSK100. These engines power snowblowers, generators, log splitters and other outdoor equipment, and the 632370 is the part most often swapped when an engine surges, stalls or leaks fuel. It has a bottom-drain bowl and ships with a gasket. It is a service part, so pricing depends on the seller and stock rather than seasonal sales.

Best forOwners of Tecumseh HM80 or HMSK80 snowblowersPeople reviving an old Tecumseh-powered generator or log splitterDIYers who want a bolt-on replacement instead of a rebuild kitAnyone replacing a leaking or gummed-up original carburetor
Pros
  • Direct fit for the listed Tecumseh engine families
  • Bottom-drain bowl makes it easy to empty before storage
  • Includes a gasket, so no separate seal purchase
  • Cheaper and faster than a professional carburetor rebuild
  • Common part with plenty of install guides online
Cons
  • Only fits the listed Tecumseh models, not other brands
  • Aftermarket copies vary in jetting and quality
  • Fuel lines, primer bulbs and filters are usually sold separately
  • Old fuel and debris can clog a new carburetor if the tank is not cleaned

Tecumseh 632370 Carburetor for M70, HM80, HMSK80, HMSK90, HM100 & HMSK100 Engines prices at every store

  • Monster Scooter PartsCheck price at Monster Scooter Parts

Tecumseh 632370 Carburetor for M70, HM80, HMSK80, HMSK90, HM100 & HMSK100 Engines price history

Lowest price we've seen: $10.12 on Nov 1 at Monster Scooter Parts. Tracked across 1 store since Nov 1.

What reviewers say

Owners of Tecumseh snowblowers and generators generally report that the 632370 bolts on and restores smooth running when the original carburetor is worn or clogged. Complaints center on aftermarket units that arrive with wrong jetting or leak at the bowl, and on engines that still run poorly because of other faults.

Pros
  • Fixes surging and stalling on HM80 and HMSK80 engines
  • Bolts on with existing linkage and fuel lines
  • Gasket included and fits as expected
Cons
  • Some copies need jet adjustment out of the box
  • Bowl drain can seep if not snugged properly
  • Does not cure problems caused by ignition or compression

Specifications

Part Type
Carburetor
Compatible Model
Tecumseh M70, HM80, HMSK80, HMSK90, HM100, HMSK100
Bowl Feature
Bottom drain
Included Items
Gasket

Questions and answers

Will this fit my Tecumseh HM80 snowblower engine?
Yes. The 632370 is listed for the HM80 and HMSK80, along with the M70, HMSK90, HM100 and HMSK100. Check the engine model plate before ordering, since Tecumseh used several carburetors across these families.
Is this a genuine Tecumseh part or an aftermarket copy?
Listings vary. Genuine Tecumseh 632370 units are no longer made in volume, so many sellers offer aftermarket equivalents. Ask the seller which one you are getting if originality matters.
What is included with the carburetor?
The carburetor and a gasket. Fuel lines, primer bulbs, air filters and mounting hardware are not included, so inspect those before installing.
Do I need to adjust the carburetor after installing it?
Usually yes. Set the idle and high-speed mixture screws to the factory starting point, then fine-tune with the engine warm. Aftermarket units often need more adjustment than original ones.
Why does my engine still surge after replacing the carburetor?
A new carburetor cannot fix a weak ignition coil, low compression, a clogged fuel filter or old fuel. Clean the tank and lines and check spark before blaming the carburetor.
When is the best time to buy this part?
Buy before snow season if you rely on a Tecumseh snowblower, since stock tightens in late fall. Off-season prices are usually steadier.