MTD
Lawn & Garden Engine

Model # 370-SUA Official MTD engine

Here are the diagrams and repair parts for Official MTD 370-SUA engine, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 46 parts  |

Carburetor Assembly 751-10974
#65

Engine diagram

Carburetor assembly

Part #751-10974

Replaced by #951-12705

?
Manufacturer substitution
This part replaces 751-10974. Substitute parts can look different from the original.
BEST SELLER
$87.75
6% OFF Phone Price : $93.75
In Stock
Fuel Tank 751-10651
#116

Engine diagram

Fuel tank

Part #751-10651

Replaced by #951-10651

?
Manufacturer substitution
This part replaces 751-10651. Substitute parts can look different from the original.
BEST SELLER
$21.49
22% OFF Phone Price : $27.49
In Stock
Key 751-10630
#71

Engine diagram

Key

Part #751-10630

Replaced by #951-10630

?
Manufacturer substitution
This part replaces 751-10630. Substitute parts can look different from the original.
BEST SELLER
$8.44
11% OFF Phone Price : $9.44
In Stock
Ignition Coil 751-10646
#22

Engine diagram

Ignition coil

Part #751-10646

Replaced by #951-10646A

?
Manufacturer substitution
This part replaces 751-10646. Substitute parts can look different from the original.
$109.51
10% OFF Phone Price : $121.51
In Stock
Ignition Switch 751-10637
#70

Engine diagram

Ignition switch

Part #751-10637

Replaced by #951-10637

?
Manufacturer substitution
This part replaces 751-10637. Substitute parts can look different from the original.
This item is not returnable
$18.67
10% OFF Phone Price : $20.67
In Stock
Fuel Filter 751-10652
#113

Engine diagram

Fuel filter

Part #751-10652

Replaced by #951-10652

?
Manufacturer substitution
This part replaces 751-10652. Substitute parts can look different from the original.
This item is not returnable
$14.03
12% OFF Phone Price : $16.03
In Stock
Flywheel Key, N/a 751-10307
#149

Engine diagram

Flywheel key, n/a

Part #751-10307

Replaced by #751P10307A

?
Manufacturer substitution
This part replaces 751-10307. Substitute parts can look different from the original.
This item is not returnable
$3.22
24% OFF Phone Price : $4.22
In Stock
Electric Starter 751-10645A
#84

Engine diagram

Electric starter

Part #751-10645A

Replaced by #951-10645B

?
Manufacturer substitution
This part replaces 751-10645A. Substitute parts can look different from the original.
$308.43
$12.00 OFF Phone Price : $320.43
In Stock
Air Filter 751-10635
#69

Engine diagram

Air filter

Part #751-10635

Replaced by #951-10635

?
Manufacturer substitution
This part replaces 751-10635. Substitute parts can look different from the original.
This item is not returnable
$25.76
19% OFF Phone Price : $31.76
In Stock
Cylinder Head 751-10722

#NI02

All parts diagram

Cylinder head

Part #751-10722

Replaced by #951-10722B

?
Manufacturer substitution
This part replaces 751-10722. Substitute parts can look different from the original.
$147.64
8% OFF Phone Price : $159.64
In Stock

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.

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Top questions about Sears and Sears PartsDirect

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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.…