Craftsman
Lawn & Garden Engine

Model # 143975001 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143975001 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 200 parts  |

Needle Seat 631021
#30

Carburetor 632107a (71/143) 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
Back Order
Troybilt Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#184

Engine (71/143) 143.975001 diagram

Troybilt lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756

BEST SELLER
This item is not returnable
$3.64
22% OFF Phone Price : $4.64
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
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
Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Engine (71/143) 143.975001 diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Gasket 27110
#44

Carburetor 632107a (71/143) diagram

Gasket

Part #27110

Replaced by #27110A

?
Manufacturer substitution
This part replaces 27110. 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
Primer 570682
#350

Engine (71/143) 143.975001 diagram

Primer

Part #570682

Replaced by #570682A

?
Manufacturer substitution
This part replaces 570682. Substitute parts can look different from the original.
BEST SELLER
$11.79
15% OFF Phone Price : $13.79
In Stock
Lawn & Garden Equipment Engine Fuel Tank Cap 35355
#301

Engine (71/143) 143.975001 diagram

Lawn & garden equipment engine fuel tank cap

Part #35355

Replaced by #37845

?
Manufacturer substitution
This part replaces 35355. Substitute parts can look different from the original.
BEST SELLER
$9.59
9% OFF Phone Price : $10.59
Back Order
Troybilt Lawn & Garden Equipment Engine Oil Seal 27897
#75

Engine (71/143) 143.975001 diagram

Troybilt lawn & garden equipment engine oil seal

Part #27897

This item is not returnable
$7.02
12% OFF Phone Price : $8.02
In Stock
Troybilt Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#101

Engine (71/143) 143.975001 diagram

Troybilt lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

This item is not returnable
$5.24
16% OFF Phone Price : $6.24
In Stock
Lauson Lawn & Garden Equipment Engine Carburetor Rebuild Kit 31840
#60

Carburetor 632107a (71/143) diagram

Lauson lawn & garden equipment engine carburetor rebuild kit

Part #31840

This item is not returnable
$22.60
21% OFF Phone Price : $28.60
In Stock

Symptoms for gas ranges

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Repair difficulty
Time required
 15 minutes or less

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

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.…