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MTD 37278 lawn mower Parts
Here are the diagrams and repair parts for MTD 37278 lawn mower, as well as links to manuals and error code tables, if available.
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Browse Parts for 37278 Walk-Behind Mowers
Knob
Part #720-0190Replaced by #731-13116-1
Manufacturer substitutionThis part replaces 720-0190. Substitute parts can look different from the original.This item is not returnableIn Stock$44.09
Qty
Screw
Part #710-0429Replaced by #910-0429
Manufacturer substitutionThis part replaces 710-0429. Substitute parts can look different from the original.This item is not returnableIn Stock$6.71QtyFlat Washer
Part #736-0211Replaced by #936-0211
Manufacturer substitutionThis part replaces 736-0211. Substitute parts can look different from the original.This item is not returnableIn Stock$11.86QtyHeight Adjustment
Part #14579Replaced by #753-06761
Manufacturer substitutionThis part replaces 14579. Substitute parts can look different from the original.In Stock$93.78QtyHandle
Part #749-0907Replaced by #749-0907B-0637
Manufacturer substitutionThis part replaces 749-0907. Substitute parts can look different from the original.In Stock$76.98QtyThrottle Control
Part #811-00185Replaced by #811-0185
Manufacturer substitutionThis part replaces 811-00185. Substitute parts can look different from the original.In Stock$44.53QtyThrottle Wire
Part #746-0674Replaced by #946-0674A
Manufacturer substitutionThis part replaces 746-0674. Substitute parts can look different from the original.In Stock$27.09QtyCatcher Frame
Part #747-0705Replaced by #747-0705-0637
Manufacturer substitutionThis part replaces 747-0705. Substitute parts can look different from the original.In Stock$112.66QtyLawn Mower Blade
Part #742-0721Replaced by #942-0721
Manufacturer substitutionThis part replaces 742-0721. Substitute parts can look different from the original.In Stock$43.5612% OFF Phone Price : $49.56
QtyHex Screw
Part #710-0289Replaced by #910-0289
Manufacturer substitutionThis part replaces 710-0289. Substitute parts can look different from the original.This item is not returnableIn Stock$6.60Qty
Most common symptoms to help you fix your walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
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…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
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 front deck tray
Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…
Repair time and Difficulty
60 minutes or less
How to replace a lawn mower transmission
Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…
Repair time and Difficulty
60 minutes or less
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 time and Difficulty
45 minutes or less
Effective articles & videos to help repair your walk-behind mowers
Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.
Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…
See a comparison of cordless lawn mowers and gas mowers so you can decide which is best for you.…
Learn about a new feature added to the Search Bar on Sears PartsDirect…
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