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
Craftsman
Riding Mowers & Tractors

Model # 52821800 Official Craftsman 36" riding rotary mower

Here are the diagrams and repair parts for Official Craftsman 52821800 36" riding rotary mower, 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 376 parts  |
Brake Pad 790006
#79

42086 (peerless model 639) transaxle diagram

Brake pad

Part #790006

Replaced by #799021

?
Manufacturer substitution
This part replaces 790006. Substitute parts can look different from the original.
BEST SELLER
$9.64 | 
9% OFF Phone Price : $10.64
Back Order
Retaining Ring 36625
#31

Ground drive diagram

Retaining ring

Part #36625

Replaced by #812000029

?
Manufacturer substitution
This part replaces 36625. 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
Plate 790007
#80

42086 (peerless model 639) transaxle diagram

Plate

Part #790007

Replaced by #790007

?
Manufacturer substitution
This part replaces 790007. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.29 | 
16% OFF Phone Price : $6.29
In Stock
Dowel Pin 786026
#67

42086 (peerless model 639) transaxle diagram

Dowel pin

Part #786026

Replaced by #786026B

?
Manufacturer substitution
This part replaces 786026. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.60 | 
18% OFF Phone Price : $5.60
In Stock
Washer 780001
#18

42086 (peerless model 639) transaxle diagram

Washer

Part #780001

Replaced by #780001

?
Manufacturer substitution
This part replaces 780001. Substitute parts can look different from the original.
This item is not returnable
$4.34
In Stock
Woodruff Key 431787
#43

Drive assembly diagram

Woodruff key

Part #431787

Replaced by #703891

?
Manufacturer substitution
This part replaces 431787. Substitute parts can look different from the original.
This item is not returnable
$8.11 | 
11% OFF Phone Price : $9.11
In Stock
Flat Washer 792076
#83

42086 (peerless model 639) transaxle diagram

Flat washer

Part #792076

Replaced by #792076A

?
Manufacturer substitution
This part replaces 792076. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
Spring 792003
#28

42086 (peerless model 639) transaxle diagram

Spring

Part #792003

Replaced by #792003

?
Manufacturer substitution
This part replaces 792003. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
Ball 792004
#29

42086 (peerless model 639) transaxle diagram

Ball

Part #792004

Replaced by #792004

?
Manufacturer substitution
This part replaces 792004. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
Gear 778068
#15

42086 (peerless model 639) transaxle diagram

Gear

Part #778068

Replaced by #778131

?
Manufacturer substitution
This part replaces 778068. Substitute parts can look different from the original.
$32.71 | 
15% OFF Phone Price : $38.71
In Stock

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

View all

How do I fix a flat tire on my riding mower?

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Read more

Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Read more

Why won't my riding mower move?

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Read more

Why is the steering loose on my riding mower?

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Read more

Why is my riding mower leaking oil or gas?

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Read more

Why does my riding mower creep in neutral?

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Read more

Why won't my riding mower cut grass?

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Read more

Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Read more

How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

Read more

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

View all
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

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

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

View all
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
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
Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

Read more

Parts & More