Craftsman
Accessory

Model # 486254020 Official Craftsman 46" dozer & lift mechanism

Here are the diagrams and repair parts for Official Craftsman 486254020 46" dozer & lift mechanism, 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 92 parts  |

Ring 5027P
#15

Sears 46 inch dozer-model number 486.254021 diagram

Ring

Part #5027P

Replaced by #812000029

?
Manufacturer substitution
This part replaces 5027P. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.50
22% OFF Phone Price : $4.50
In Stock
Washer 19172410
Washer

Part #19172410

Replaced by #532067725

?
Manufacturer substitution
This part replaces 19172410. Substitute parts can look different from the original.
BEST SELLER
$7.98
11% OFF Phone Price : $8.98
In Stock
Washer 19171616
Washer

Part #19171616

Replaced by #596040101

?
Manufacturer substitution
This part replaces 19171616. Substitute parts can look different from the original.
This item is not returnable
In Stock
Hitch Pin, 2-pack 4939M
Hitch pin, 2-pack

Part #4939M

Replaced by #596919601

?
Manufacturer substitution
This part replaces 4939M. Substitute parts can look different from the original.
This item is not returnable
$3.98
20% OFF Phone Price : $4.98
In Stock
Washer STD551037
#42

Sears 46 inch dozer-model number 486.254021 diagram

Washer

Part #STD551037

The manufacturer no longer makes this part, and there's no substitute part

Washer STD551031
#38

Sears 46 inch dozer-model number 486.254021 diagram

Washer

Part #STD551031

The manufacturer no longer makes this part, and there's no substitute part

Support 678H158
#9

Lift mechanism - model number 486.254050 diagram

Support

Part #678H158

Replaced by #R5566J

?
Manufacturer substitution
This part replaces 678H158. Substitute parts can look different from the original.
In Stock
Shaft 3111J
#23

Sears 46 inch dozer-model number 486.254021 diagram

Shaft

Part #3111J

Replaced by #R3111J

?
Manufacturer substitution
This part replaces 3111J. Substitute parts can look different from the original.
In Stock
Ring 5026P
#21

Sears 46 inch dozer-model number 486.254021 diagram

Ring

Part #5026P

Replaced by #812000008

?
Manufacturer substitution
This part replaces 5026P. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lock Washer, 5/16-in, 8-pack STD551131
#36

Sears 46 inch dozer-model number 486.254021 diagram

Lock washer, 5/16-in, 8-pack

Part #STD551131

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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.…