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Snapper LT18400 (2690404) lawn tractor Parts
Here are the diagrams and repair parts for Snapper LT18400 (2690404) lawn tractor, as well as links to manuals and error code tables, if available.
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Browse Parts for LT18400 (2690404) Riding Mowers & Tractors
Electrical diagram
Snapper Lock Washer
Part #2816964Replaced by #5106852
Manufacturer substitutionThis part replaces 2816964. Substitute parts can look different from the original.This item is not returnableIn Stock$6.77
Qty
Decals diagram
Snapper Decal
Part #1723160Replaced by #1723160SM
Manufacturer substitutionThis part replaces 1723160. Substitute parts can look different from the original.In Stock$26.77QtyHousing/arbors/blades diagram
Snapper Sprocket
Part #1724453Replaced by #1732590SM
Manufacturer substitutionThis part replaces 1724453. Substitute parts can look different from the original.In Stock$119.94QtyCruise control diagram
Snapper Spring
Part #1677746Replaced by #1677746SM
Manufacturer substitutionThis part replaces 1677746. Substitute parts can look different from the original.In Stock$15.66QtyHeight adjustment/roller bar diagram
Snapper Roller
Part #1717675Replaced by #1717675SM
Manufacturer substitutionThis part replaces 1717675. Substitute parts can look different from the original.In Stock$13.43QtySnapper Bulb
Part #1677371Replaced by #1677371SM
Manufacturer substitutionThis part replaces 1677371. Substitute parts can look different from the original.In Stock$46.27QtySteering-manual steering diagram
Snapper Bolt
Part #1960655Replaced by #703446
Manufacturer substitutionThis part replaces 1960655. Substitute parts can look different from the original.In Stock$7.83QtyTransmission-tuff torq k-57 diagram
Snapper Rod
Part #1726871Replaced by #1726871SM
Manufacturer substitutionThis part replaces 1726871. Substitute parts can look different from the original.In Stock$30.60Qty44" mower deck-belt/idler arm/hitch diagram
Snapper Replacement Pulley
Part #1685150Replaced by #1685150SM
Manufacturer substitutionThis part replaces 1685150. Substitute parts can look different from the original.In Stock$52.78QtySnapper Housing
Part #1655729AReplaced by #1655729ASM
Manufacturer substitutionThis part replaces 1655729A. Substitute parts can look different from the original.In Stock$26.80Qty
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: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …
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 tun…
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …
Main causes: faulty battery, bad alternator…
Main causes: shift lever needs adjustment, neutral control needs adjustment…
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 the starter solenoid on a riding lawn mower
Replace the starter solenoid if it doesn't click when you turn the ignition key.…
Repair time and Difficulty
30 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 time and Difficulty
30 minutes or less
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 time and Difficulty
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.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn some of the most common symbols found in a wiring diagram and what they mean.…
Learn how to connect cables safely to jump-start your mower’s battery.…
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