Lawn & Garden Engine

Model # H30-35258H Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh H30-35258H 4-cycle engine, as well as links to manuals and error code tables, if available.

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Browse Parts for
H30-35258H 4-Cycle Engine
Gasket 27110
#21

Carburetor no. 631144 diagram

Gasket

Part #27110

Replaced by #27110A

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Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
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$2.49
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Generac Lawn & Garden Equipment Engine Breather Filter 31410
#40

Main frame diagram

Generac lawn & garden equipment engine breather filter

Part #31410

This item is not returnable
In Stock
Breather Gasket 27272
#78

Main frame diagram

Breather gasket

Part #27272

Replaced by #27272A

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Manufacturer substitution
This part replaces 27272. Substitute parts can look different from the original.
This item is not returnable
$3.64
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Fitting 631038
#26

Carburetor no. 631144 diagram

Fitting

Part #631038

Replaced by #632527

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Manufacturer substitution
This part replaces 631038. Substitute parts can look different from the original.
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$9.59
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Lauson Lawn & Garden Equipment Engine Carburetor Rebuild Kit 31840
#31

Carburetor no. 631144 diagram

Lauson lawn & garden equipment engine carburetor rebuild kit

Part #31840

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$22.60
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Troybilt Carburetor Float 631024
#15

Carburetor no. 631144 diagram

Troybilt carburetor float

Part #631024

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Lawn & Garden Equipment Engine Screw 28942
#92

Main frame diagram

Lawn & garden equipment engine screw

Part #28942

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$2.49
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Screw 28820
#94

Main frame diagram

Screw

Part #28820

Replaced by #651081

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Manufacturer substitution
This part replaces 28820. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Engine Spring 31426
#75

Main frame diagram

Lawn & garden equipment engine spring

Part #31426

This item is not returnable
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Lawn & Garden Equipment Engine Carburetor Float Pin 631022
#13

Carburetor no. 631144 diagram

Lawn & garden equipment engine carburetor float pin

Part #631022

This item is not returnable
$2.49
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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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