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Husqvarna
Rear-Engine Riding Mower

Model # CZ3815 Official Husqvarna tractor

Here are the diagrams and repair parts for Official Husqvarna CZ3815 tractor, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 132 parts  |
Hinge Rod 5391104-62
#26

42" deck assembly diagram

Hinge rod

Part #5391104-62

Replaced by #595297001

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Manufacturer substitution
This part replaces 5391104-62. Substitute parts can look different from the original.
BEST SELLER
$7.05 | 
12% OFF Phone Price : $8.05
In Stock
Grommet 5391052-45
#49

Main frame diagram

Grommet

Part #5391052-45

Replaced by #532003645

?
Manufacturer substitution
This part replaces 5391052-45. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Stripper-rou 5391075-18
Stripper-rou

Part #5391075-18

Replaced by #531167701

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Manufacturer substitution
This part replaces 5391075-18. Substitute parts can look different from the original.
BEST SELLER
$9.31 | 
10% OFF Phone Price : $10.31
In Stock
Spring 5391103-28
Spring

Part #5391103-28

Replaced by #532123713

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Manufacturer substitution
This part replaces 5391103-28. Substitute parts can look different from the original.
This item is not returnable
$11.97 | 
14% OFF Phone Price : $13.97
In Stock
Washer 5391103-31
Washer

Part #5391103-31

Replaced by #539990188

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Manufacturer substitution
This part replaces 5391103-31. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Stem, Fuel T 5391104-32
#23

Main frame diagram

Stem, fuel t

Part #5391104-32

Replaced by #532139277

?
Manufacturer substitution
This part replaces 5391104-32. Substitute parts can look different from the original.
$11.97
In Stock
Fender 5391102-51
#5

Main frame diagram

Fender

Part #5391102-51

Replaced by #539130374

?
Manufacturer substitution
This part replaces 5391102-51. Substitute parts can look different from the original.
$99.98
In Stock
Bolt 5391102-22
#41

42" deck assembly diagram

Bolt

Part #5391102-22

Replaced by #596434402

?
Manufacturer substitution
This part replaces 5391102-22. Substitute parts can look different from the original.
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Mandrel Pulley 5391103-15
#29

38" deck assembly diagram

Mandrel pulley

Part #5391103-15

Replaced by #532173434

?
Manufacturer substitution
This part replaces 5391103-15. Substitute parts can look different from the original.
This item is not returnable
$19.98 | 
9% OFF Phone Price : $21.98
In Stock
Lawn Tractor Hose Clamp 5399122-22
Lawn tractor hose clamp

Part #5399122-22

Replaced by #539912222

?
Manufacturer substitution
This part replaces 5399122-22. Substitute parts can look different from the original.
This item is not returnable
$5.11
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

Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Read more

Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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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…

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

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

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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…

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

Main causes: faulty battery, bad alternator…

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Why does my riding mower deck vibrate?

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

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Why does my riding mower creep in neutral?

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

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Why won't my riding mower move?

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

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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.

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How to replace the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Read more
Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

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Repair difficulty
Time required
 60 minutes or less
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

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.

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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.…

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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.…

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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.…

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