Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
MTD
Lawn & Garden Engine

Model # 170-DU Official MTD engine

Here are the diagrams and repair parts for Official MTD 170-DU engine, 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:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

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.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 136 parts  |
Lawn & Garden Equipment Engine Spark Plug 951-10292
#18

Cylinder head/valve cover diagram

Lawn & garden equipment engine spark plug

Part #951-10292

Replaced by #951-10292A

?
Manufacturer substitution
This part replaces 951-10292. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.70 | 
15% OFF Phone Price : $6.70
In Stock
Lawn & Garden Equipment Engine Carburetor Gasket 951-11569A
#30

Carburetor diagram

Lawn & garden equipment engine carburetor gasket

Part #951-11569A

Replaced by #751P12005A

?
Manufacturer substitution
This part replaces 951-11569A. Substitute parts can look different from the original.
BEST SELLER
$7.53 | 
12% OFF Phone Price : $8.53
In Stock
Lawn & Garden Equipment Engine Carburetor Gasket 951-11567
#28

Carburetor diagram

Lawn & garden equipment engine carburetor gasket

Part #951-11567

Replaced by #751P11567B

?
Manufacturer substitution
This part replaces 951-11567. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.07 | 
25% OFF Phone Price : $4.07
In Stock
Snowblower Throttle Return Spring 951-10664
#116

Fuel tank diagram

Snowblower throttle return spring

Part #951-10664

Replaced by #751P10664A

?
Manufacturer substitution
This part replaces 951-10664. Substitute parts can look different from the original.
This item is not returnable
$3.57 | 
22% OFF Phone Price : $4.57
In Stock
Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 951-11349
#Z

Carburetor diagram

Lawn & garden equipment engine carburetor float bowl gasket

Part #951-11349

Replaced by #951-11349A

?
Manufacturer substitution
This part replaces 951-11349. Substitute parts can look different from the original.
This item is not returnable
$5.64 | 
15% OFF Phone Price : $6.64
In Stock
Lawn & Garden Equipment Engine Carburetor Insulator 951-11568
#29

Carburetor diagram

Lawn & garden equipment engine carburetor insulator

Part #951-11568

Replaced by #751P11568A

?
Manufacturer substitution
This part replaces 951-11568. Substitute parts can look different from the original.
This item is not returnable
$6.03
In Stock
Lawn & Garden Equipment Engine Flywheel Key 951-10307
#68

Crankshaft/crankcase diagram

Lawn & garden equipment engine flywheel key

Part #951-10307

Replaced by #751P10307A

?
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
Craftsman Lawn & Garden Equipment Engine Flange Bolt 710-04974
#100

Recoil starter diagram

Craftsman lawn & garden equipment engine flange bolt

Part #710-04974

This item is not returnable
$12.00
In Stock
Kmart Lawn & Garden Equipment Engine Ignition Coil 951-10792
#90

Recoil starter diagram

Kmart lawn & garden equipment engine ignition coil

Part #951-10792

$90.12 | 
6% OFF Phone Price : $96.12
In Stock
Lawn & Garden Equipment Engine Valve Cover Gasket 951-11565
#5

Cylinder head/valve cover diagram

Lawn & garden equipment engine valve cover gasket

Part #951-11565

Replaced by #751P11565B

?
Manufacturer substitution
This part replaces 951-11565. Substitute parts can look different from the original.
This item is not returnable
$15.79 | 
11% OFF Phone Price : $17.79
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Effective articles & videos to help repair your lawn & garden engines

View all
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.…

Read more
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.…

Read more

Parts & More