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

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Craftsman
Lawn & Garden Engine

Model # 143995071 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143995071 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 111 parts  |
Lawn Mower O-ring 631028
#29

Carburetor 640088 diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

?
Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
| 
29% OFF Phone Price : $3.49
In Stock
Needle Seat 631021
#30

Carburetor 640088 diagram

Needle seat

Part #631021

Replaced by #631021B

?
Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.79
| 
9% OFF Phone Price : $10.79
In Stock
Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
#12

Rewind starter 590743 diagram

Lawn & garden equipment engine recoil starter rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032)

Part #590535

BEST SELLER
This item is not returnable
$2.49
| 
29% OFF Phone Price : $3.49
In Stock
Ignition Module 34443B
#100

Engine diagram

Ignition module

Part #34443B

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443B. Substitute parts can look different from the original.
BEST SELLER
$45.43
| 
12% OFF Phone Price : $51.43
In Stock
Float 632019
#28

Carburetor 640088 diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.89
| 
10% OFF Phone Price : $9.89
In Stock
Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 631025l, 631867, 631867l) 631951
#25

Carburetor 640088 diagram

Lawn & garden equipment engine carburetor float bowl (replaces 631025, 631025l, 631867, 631867l)

Part #631951

This item is not returnable
$19.59
| 
9% OFF Phone Price : $21.59
In Stock
Lawn & Garden Equipment Torx Screw 30063
Lawn & garden equipment torx screw

Part #30063

This item is not returnable
$2.49
| 
29% OFF Phone Price : $3.49
In Stock
Troybilt Lawn & Garden Equipment Screw 650926
#287

Engine diagram

Troybilt lawn & garden equipment screw

Part #650926

This item is not returnable
$2.16
In Stock
Lawn & Garden Equipment Engine Exhaust Gasket 510343A
#274

Engine diagram

Lawn & garden equipment engine exhaust gasket

Part #510343A

This item is not returnable
$4.09
| 
20% OFF Phone Price : $5.09
In Stock
Carburetor Lawn & Garden Equipment Engine Carburetor Bowl Drain Valve 27136A
#32

Carburetor 640088 diagram

Carburetor lawn & garden equipment engine carburetor bowl drain valve

Part #27136A

This item is not returnable
$8.09
| 
11% OFF Phone Price : $9.09
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h...

Read more
Repair difficulty
Time required
30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear....

Read more
Repair difficulty
Time required
45 minutes or less
How to replace a riding lawn mower front tire

How to replace a riding lawn mower front tire

Get your mower moving again by using these instructions when replacing a damaged front tire....

Read more
Repair difficulty
Time required
60 minutes or less

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