Noma
Front-Engine Lawn Tractor

Model #E4315-050 Noma 43" tractor

Here are the diagrams and repair parts for Noma E4315-050 43" tractor, as well as links to manuals and error code tables, if available.


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Showing 10 of 369 parts

Lawn Tractor Screw

#2

Engine and control assembly Diagram

Lawn tractor screw

Part #2828635SM
?
Manufacturer substitution
This part replaces 50947. Substitute parts can look different from the original.
This part replaces 50947
This item is not returnable
$3.26 | 
24% OFF MSRP:$4.30

In Stock

Height Knob

#57

Mower suspension assembly Diagram

Height knob

Part #58325MA
?
Manufacturer substitution
This part replaces 58325. Substitute parts can look different from the original.
This part replaces 58325
This item is not returnable
$5.95

In Stock

Lawn Tractor Drag Link

#20-1

Front steering assembly Diagram

Lawn tractor drag link

Part #321449MA
?
Manufacturer substitution
This part replaces 321449. Substitute parts can look different from the original.
This part replaces 321449
$116.49

In Stock

Brng Sfal .5

#17

Front steering assembly Diagram

Brng sfal .5

Part #302498MA
?
Manufacturer substitution
This part replaces 302498. Substitute parts can look different from the original.
This part replaces 302498
$12.58

In Stock

Snowblower Ball Bearing

#23-2

Pre-painted deck assembly Diagram

Snowblower ball bearing

Part #1705897SM
?
Manufacturer substitution
This part replaces 49562. Substitute parts can look different from the original.
This part replaces 49562
This item is not returnable
$7.15 | 
13% OFF MSRP:$8.20

In Stock

Lawn & Garden Equipment Cap Screw

#31

Chassis and hood assembly page 3 Diagram

Lawn & garden equipment cap screw

Part #703585
?
Manufacturer substitution
This part replaces 180079. Substitute parts can look different from the original.
This part replaces 180079
This item is not returnable
$3.45 | 
18% OFF MSRP:$4.20

In Stock

Nut, 5/16-18

#5

Chassis and hood assembly Diagram

Nut, 5/16-18

Part #55273MA
?
Manufacturer substitution
This part replaces 55273. Substitute parts can look different from the original.
This part replaces 55273
This item is not returnable
$2.79 | 
34% OFF MSRP:$4.20

In Stock

Lawn Tractor Interlock Switch

#14

Electrical/wiring schematic Diagram

Lawn tractor interlock switch

Part #57476MA
?
Manufacturer substitution
This part replaces 57476. Substitute parts can look different from the original.
This part replaces 57476
$21.87

In Stock

Lawn & Garden Equipment Shoulder Bolt

#70

Motion drive assembly page 3 Diagram

Lawn & garden equipment shoulder bolt

Part #329989MA
?
Manufacturer substitution
This part replaces 329989. Substitute parts can look different from the original.
This part replaces 329989
This item is not returnable
$2.99 | 
21% OFF MSRP:$3.80

In Stock

Snowblower Ratchet Fastener

#4

Chassis and hood assembly page 3 Diagram

Snowblower ratchet fastener

Part #309235MA
?
Manufacturer substitution
This part replaces 309235. Substitute parts can look different from the original.
This part replaces 309235
This item is not returnable
$2.76 | 
36% OFF MSRP:$4.30

In Stock

Symptoms common to all riding mowers & tractors

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

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged mandrel pulleys
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 tune up

Repair guides common to all 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 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 replace it.

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 step-by-step instructions to replace it.

Repair difficulty
Time required
 60 minutes or less
January 1, 2015
By Lyle Weischwill
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.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all 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.

May 1, 2017

Riding lawn mower engine spins but won't start video

By Sears PartsDirect staff

Troubleshoot fuel, spark and compression issues.

June 1, 2016

How to mow a lawn for healthier grass

By Erin Hynes

How often and tall you mow your lawn has a big impact on its health. Check out these 3 rules.

March 1, 2016

How to change the Smart Switch Ignition password on a lawn tractor video

By Sears PartsDirect staff

See how to unlock the factory default start code so you can set your own passcode.