Craftsman
Lawn & Garden Engine

Model # 143985004 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143985004 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 122 parts  |

Lawn & Garden Equipment Engine Air Filter 35066
#245

Replacement parts diagram

Lawn & garden equipment engine air filter

Part #35066

BEST SELLER
This item is not returnable
$4.95
17% OFF MSRP : $6.00
In Stock
Primer 36045
#35

Carburetor 640026 (71/143) diagram

Primer

Part #36045

Replaced by #36045A

?
Manufacturer substitution
This part replaces 36045. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.74
13% OFF Phone Price : $7.74
In Stock
Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#184

Replacement parts diagram

Lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756

BEST SELLER
This item is not returnable
$3.64
23% OFF MSRP : $4.70
In Stock
Ignition Module 34443B
#100

Replacement parts diagram

Ignition module

Part #34443B

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443B. Substitute parts can look different from the original.
BEST SELLER
$49.15
9% OFF Phone Price : $54.15
In Stock
Starter 590694
#390

Replacement parts diagram

Starter

Part #590694

Replaced by #590785

?
Manufacturer substitution
This part replaces 590694. Substitute parts can look different from the original.
BEST SELLER
$30.47
14% OFF Phone Price : $35.47
In Stock
Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Replacement parts diagram

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
Cap 36246
#301

Replacement parts diagram

Cap

Part #36246

Replaced by #37844

?
Manufacturer substitution
This part replaces 36246. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.69
13% OFF Phone Price : $7.69
In Stock
Lawn & Garden Equipment Engine Air Filter Cover (replaces 35986, B35065) 35065
#250

Replacement parts diagram

Lawn & garden equipment engine air filter cover (replaces 35986, b35065)

Part #35065

BEST SELLER
This item is not returnable
$9.69
9% OFF Phone Price : $10.69
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Replacement parts diagram

Lawn & garden equipment engine fuel line (replaces 14306, 34357)

Part #29774

BEST SELLER
This item is not returnable
$5.99
14% OFF Phone Price : $6.99
In Stock
Gasket 27110
#44

Carburetor 640026 (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

Symptoms for band saws

Choose a symptom to see related band saw repairs.

Main causes: damaged rubber tire, worn wheel bearings, loose blade tension, dull saw blade…

Main causes: dull blade, using the wrong type of blade, feeding work piece to quickly, loose blade tension…

Main causes: angle indicator needs adjustment, dull blade…

Main causes: dull blade, improper feeding, loose blade tension, not using a work piece guide…

Main causes: broken saw blade, bad drive belt, damaged rubber tire…

Main causes: dull blade, using the wrong type of blade, weak drive motor…

Main causes: lack of electrical power, broken power cord, bad on/off switch, faulty drive motor…

Repair guides for band saws

These step-by-step repair guides will help you safely fix what’s broken on your band saw.

How to replace a band saw on-off switch

How to replace a band saw on-off switch

If the switch won't turn the band saw on or off, it could be defective. Replace the switch, using these steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a band saw drive belt

How to replace a band saw drive belt

If the motor runs but the blade doesn't move, it could be that the drive belt is broken. Here's how to replace it.…

Repair difficulty
Time required
 15 minutes or less
How to replace a band saw blade

How to replace a band saw blade

If the saw blade is dull or damaged and isn't cutting cleanly, replace the blade following these steps.…

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 band saw.

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.…