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Model # C20H42YT Official Poulan lawn tractor
Here are the diagrams and repair parts for Official Poulan C20H42YT lawn tractor, as well as links to manuals and error code tables, if available.
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C20H42YT Riding Mowers & Tractors
#88
Transaxle diagram
Tapping bolt
Part #178334
Replaced by #587798701
?
Manufacturer substitution
This part replaces 178334. Substitute parts can look different from the original.
This item is not returnable
$2.87 |
26% OFF Phone Price : $3.87
In Stock
#103
Transaxle diagram
Torque bracket
Part #178796
Replaced by #583090701
?
Manufacturer substitution
This part replaces 178796. Substitute parts can look different from the original.
This item is not returnable
$25.98 |
19% OFF Phone Price : $31.98
In Stock
#71
Transaxle diagram
Compression
Part #170417
Replaced by #583001401
?
Manufacturer substitution
This part replaces 170417. Substitute parts can look different from the original.
This item is not returnable
$7.40
In Stock
#6
Transaxle diagram
Lawn tractor transaxle sealant
Part #178322
$76.42
In Stock
#97
Transaxle diagram
Screw.thes
Part #178787
Replaced by #50870
?
Manufacturer substitution
This part replaces 178787. Substitute parts can look different from the original.
This item is not returnable
$5.00
In Stock
#123
Transaxle diagram
Lawn mower belt keeper
Part #401265
Replaced by #583269601
?
Manufacturer substitution
This part replaces 401265. Substitute parts can look different from the original.
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$181.98
In Stock
#96
Transaxle diagram
Spacer.lockn
Part #178786
Replaced by #583090301
?
Manufacturer substitution
This part replaces 178786. Substitute parts can look different from the original.
$13.69
In Stock
#133
Transaxle diagram
Damper(hg#51
Part #184227
Replaced by #51703
?
Manufacturer substitution
This part replaces 184227. Substitute parts can look different from the original.
$72.08 |
8% OFF Phone Price : $78.08
In Stock
#53
Transaxle diagram
Retaining ring
Part #170405
Replaced by #44145
?
Manufacturer substitution
This part replaces 170405. Substitute parts can look different from the original.
This item is not returnable
$2.43
In Stock
#130
Transaxle diagram
Ball stud
Part #178802
Replaced by #583090801
?
Manufacturer substitution
This part replaces 178802. Substitute parts can look different from the original.
$25.98
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.
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…
Main causes: faulty battery, bad alternator…
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…
Main causes: shift lever needs adjustment, neutral control needs adjustment…
Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…
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.

How to replace a mandrel assembly on a riding lawn mower
Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…
Repair difficulty
Time required
30 minutes or less

How to replace the flywheel key on a riding lawn mower
If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…
Repair difficulty
Time required
60 minutes or less

How to replace a riding lawn mower ignition coil
If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…
Repair difficulty
Time required
30 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.

Do you know a lawn tractor from a garden tractor? Take a look at the key differences and discover how each handles your …

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

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