MTD
Lawn & Garden Engine

Model # 670-WUB Official MTD engine

Here are the diagrams and repair parts for Official MTD 670-WUB engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 120 parts  |

Lawn & Garden Equipment Engine Spark Plug (replaces 951-10292, Occ-751-10292) 951-10292A
#22

Engine diagram

Lawn & garden equipment engine spark plug (replaces 951-10292, occ-751-10292)

Part #951-10292A

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$5.88
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Lawn & Garden Equipment Engine Carburetor 951-15236
#31

Engine diagram

Lawn & garden equipment engine carburetor

Part #951-15236

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$89.84
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Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 951-11589
#S

Engine diagram

Lawn & garden equipment engine carburetor float bowl gasket

Part #951-11589

Replaced by #951-11589A

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Manufacturer substitution
This part replaces 951-11589. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Starter Key (replaces 731-05632, 751-10630) 951-10630
#113

Engine diagram

Lawn & garden equipment engine starter key (replaces 731-05632, 751-10630)

Part #951-10630

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Mtd Lawn & Garden Equipment Engine Fuel Filter (replaces 951-12296) 951-12296A
#73

Engine diagram

Mtd lawn & garden equipment engine fuel filter (replaces 951-12296)

Part #951-12296A

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Mtd Lawn & Garden Equipment Engine Choke Lever 751P18086
#34

Engine diagram

Mtd lawn & garden equipment engine choke lever

Part #751P18086

This item is not returnable
$8.92
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Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket (replaces 951-11349) 951-11349A
#W

Engine diagram

Lawn & garden equipment engine carburetor float bowl gasket (replaces 951-11349)

Part #951-11349A

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$5.64
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Snowblower Throttle Knob (replaces 751-11224, 951-10757) 951-11224
#94

Engine diagram

Snowblower throttle knob (replaces 751-11224, 951-10757)

Part #951-11224

This item is not returnable
$12.09
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Lawn & Garden Equipment Engine Flywheel Key (replaces 951-10307) 751P10307A
#66

Engine diagram

Lawn & garden equipment engine flywheel key (replaces 951-10307)

Part #751P10307A

This item is not returnable
$3.22
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Valve Spring (replaces 951-12004) 751P12004A
#10

Engine diagram

Valve spring (replaces 951-12004)

Part #751P12004A

This item is not returnable
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, stale fuel…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower chute control gearbox assembly

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

Repair difficulty
Time required
 15 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 snowblower.

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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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