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 Fuel Filter 951-12296
#14

Fuel 880-010518 diagram

Lawn & garden equipment engine fuel filter

Part #951-12296

Replaced by #951-12296A

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Manufacturer substitution
This part replaces 951-12296. Substitute parts can look different from the original.
BEST SELLER
In Stock
Lawn & Garden Equipment Engine Air Filter 951-15245
#25

Fuel 880-010518 diagram

Lawn & garden equipment engine air filter

Part #951-15245

BEST SELLER
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 Recoil Starter 951-05360
#3

Starter 880-010504 diagram

Lawn & garden equipment engine recoil starter

Part #951-05360

Replaced by #951-05360A

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Manufacturer substitution
This part replaces 951-05360. Substitute parts can look different from the original.
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

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Manufacturer substitution
This part replaces 951-14419. 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

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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
Lawn & Garden Equipment Engine Air Filter Cover 931-12768
#6

Fuel 880-010518 diagram

Lawn & garden equipment engine air filter cover

Part #931-12768

Replaced by #931-12768A

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Manufacturer substitution
This part replaces 931-12768. Substitute parts can look different from the original.
In Stock
Air Vane 951-11529
#11

Fuel 880-010518 diagram

Air vane

Part #951-11529

Replaced by #951-11529A

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Manufacturer substitution
This part replaces 951-11529. Substitute parts can look different from the original.
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Symptoms for gas 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: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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

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

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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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 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.…