Part #710-1005
Replaced by #710-0599
Part #736-0242
Part #746-0912
Replaced by #946-1130
Part #710-0134
Part #710-1205
Part #736-0169
Part #736-0258
Part #710-0260
Replaced by #710-0260A
Part #726-0233
Part #736-0105
Here are the diagrams and repair parts for Official MTD 37278 lawn mower, 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:
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.
Part #710-1005
Replaced by #710-0599
Part #736-0242
Part #746-0912
Replaced by #946-1130
Part #710-0134
Part #710-1205
Part #736-0169
Part #736-0258
Part #710-0260
Replaced by #710-0260A
Part #726-0233
Part #736-0105
Choose a symptom to see related walk-behind mower repairs.
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
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: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.
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…
The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…
These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…
Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.
Learn about a new feature added to the Search Bar on Sears PartsDirect…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…