Tecumseh
Lawn & Garden Engine

Model # HMSK80-155556U Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh HMSK80-155556U engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 189 parts  |

5w-30 Oil 730226
#420

Engine 71-143 hmsk80-155556u diagram

5w-30 oil

Part #730226

Replaced by #49028

?
Manufacturer substitution
This part replaces 730226. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable

Get free shipping with Automatic Reorder

$5.57
15% OFF Phone Price : $6.57
In Stock
Gasket 27110
#21

Carburetor 632334a (71/143) diagram

Gasket

Part #27110

Replaced by #27110A

?
Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
Back Order
Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Engine 71-143 hmsk80-155556u diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Snowblower Ignition Key (replaces 35593, Tc-35062) 35062
#328

Engine 71-143 hmsk80-155556u diagram

Snowblower ignition key (replaces 35593, tc-35062)

Part #35062

BEST SELLER
This item is not returnable
$4.09
20% OFF Phone Price : $5.09
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 32180, 32180a, 32180b, 500236, Tc-32180c) 32180C
#351

Engine 71-143 hmsk80-155556u diagram

Lawn & garden equipment engine fuel line (replaces 32180, 32180a, 32180b, 500236, tc-32180c)

Part #32180C

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Primer 570682
#350

Engine 71-143 hmsk80-155556u diagram

Primer

Part #570682

Replaced by #570682A

?
Manufacturer substitution
This part replaces 570682. Substitute parts can look different from the original.
BEST SELLER
$11.79
15% OFF Phone Price : $13.79
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Air Filter (replaces 28424l) 28424
#171

Engine 71-143 hmsk80-155556u diagram

Cook top side trim kit lawn & garden equipment engine air filter (replaces 28424l)

Part #28424

BEST SELLER
This item is not returnable
$4.14
19% OFF Phone Price : $5.14
In Stock
Lawn & Garden Equipment Engine Fuel Tank Cap 35355
#301

Engine 71-143 hmsk80-155556u diagram

Lawn & garden equipment engine fuel tank cap

Part #35355

Replaced by #37845

?
Manufacturer substitution
This part replaces 35355. Substitute parts can look different from the original.
BEST SELLER
$9.59
9% OFF Phone Price : $10.59
Back Order
Lawn & Garden Equipment Engine Throttle Control Knob 35440
#215

Engine 71-143 hmsk80-155556u diagram

Lawn & garden equipment engine throttle control knob

Part #35440

This item is not returnable
$4.14
19% OFF Phone Price : $5.14
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Carburetor Manifold Gasket 33263
#184

Engine 71-143 hmsk80-155556u diagram

Cook top side trim kit lawn & garden equipment engine carburetor manifold gasket

Part #33263

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock

Symptoms for electric ranges

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature ...

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri...

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute...

Repair difficulty
Time required
45 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a...

Repair difficulty
Time required
15 minutes or less
How to replace a range coil surface element

How to replace a range coil surface element

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions....

Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect....

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts....