MTD
Lawn & Garden Engine

Model # 5X70MU Official MTD engine

Here are the diagrams and repair parts for Official MTD 5X70MU 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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ALL PARTS
Showing 10 of 114 parts  |

Lawn & Garden Equipment Engine Air Filter 951-15245
#25

Fuel 880-010518 diagram

Lawn & garden equipment engine air filter

Part #951-15245

This item is not returnable
$19.03
10% OFF Phone Price : $21.03
In Stock
Kmart Lawn & Garden Equipment Engine Carburetor Insulator Gasket 951-11528
#10

Fuel 880-010518 diagram

Kmart lawn & garden equipment engine carburetor insulator gasket

Part #951-11528

This item is not returnable
$6.86
13% OFF Phone Price : $7.86
In Stock
Lawn & Garden Equipment Engine Flywheel Key 951-10307
#11A

Short block assembly 951-05543 diagram

Lawn & garden equipment engine flywheel key

Part #951-10307

Replaced by #751P10307A

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Manufacturer substitution
This part replaces 951-10307. Substitute parts can look different from the original.
This item is not returnable
$3.22
24% OFF Phone Price : $4.22
In Stock
Lawn & Garden Equipment Engine Air Filter Base Gasket 951-14419
#18

Fuel 880-010518 diagram

Lawn & garden equipment engine air filter base gasket

Part #951-14419

Replaced by #951-14419A

?
Manufacturer substitution
This part replaces 951-14419. Substitute parts can look different from the original.
In Stock
Lawn & Garden Equipment Engine Recoil Starter 951-05360
#3

Starter 880-010504 diagram

Lawn & garden equipment engine recoil starter

Part #951-05360

Replaced by #951-05360A

?
Manufacturer substitution
This part replaces 951-05360. Substitute parts can look different from the original.
In Stock
Lawn & Garden Equipment Engine Exhaust Gasket 951-14427
#6

Exhaust 880-010503 diagram

Lawn & garden equipment engine exhaust gasket

Part #951-14427

Replaced by #951-14427A

?
Manufacturer substitution
This part replaces 951-14427. Substitute parts can look different from the original.
In Stock
Lawn & Garden Equipment Engine Rocker Arm Stud 710-04902
#A

Cylinder head assy 951-05541 diagram

Lawn & garden equipment engine rocker arm stud

Part #710-04902

This item is not returnable
$10.46
16% OFF Phone Price : $12.46
In Stock
Spring 951-12004
#7

Cylinder head assy 951-05541 diagram

Spring

Part #951-12004

Replaced by #751P12004A

?
Manufacturer substitution
This part replaces 951-12004. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Engine Fuel Line Clamp 951-11700
#12

Fuel 880-010518 diagram

Lawn & garden equipment engine fuel line clamp

Part #951-11700

Replaced by #951-11700A

?
Manufacturer substitution
This part replaces 951-11700. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Engine Dipstick And Tube Assembly 951-05540
#33

Short block assembly 951-05543 diagram

Lawn & garden equipment engine dipstick and tube assembly

Part #951-05540

Replaced by #951-05540A

?
Manufacturer substitution
This part replaces 951-05540. Substitute parts can look different from the original.
In Stock

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…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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.

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.…