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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
Snapper Washer
Part #1722257Replaced by #1722257SM
Manufacturer substitutionThis part replaces 1722257. Substitute parts can look different from the original.In Stock$87.69
Qty
Snapper Screw
Part #1960295Replaced by #1960295SM
Manufacturer substitutionThis part replaces 1960295. Substitute parts can look different from the original.In Stock$8.26QtySeat/seat deck diagram
Snapper Clip
Part #2172434Replaced by #2172434SM
Manufacturer substitutionThis part replaces 2172434. Substitute parts can look different from the original.In Stock$8.97QtySnapper Nut
Part #1931211Replaced by #703333
Manufacturer substitutionThis part replaces 1931211. Substitute parts can look different from the original.In Stock$9.23QtyEngine/electric clutch diagram
Snapper Washer
Part #1708264Replaced by #1708264SM
Manufacturer substitutionThis part replaces 1708264. Substitute parts can look different from the original.In Stock$16.60QtyFrame/front axle diagram
Snapper Link-drag .6
Part #1722541Replaced by #1722541SM
Manufacturer substitutionThis part replaces 1722541. Substitute parts can look different from the original.In Stock$47.58QtyTransmission-tuff torq k-57 diagram
Snapper Cap Screw
Part #1921332Replaced by #5025011X6SM
Manufacturer substitutionThis part replaces 1921332. Substitute parts can look different from the original.This item is not returnableIn Stock$6.89QtySnapper Cap Screw
Part #1921977Replaced by #703570
Manufacturer substitutionThis part replaces 1921977. Substitute parts can look different from the original.In Stock$8.74QtyElectrical diagram
Snapper Cable,#6x25
Part #1721830Replaced by #1721830SM
Manufacturer substitutionThis part replaces 1721830. Substitute parts can look different from the original.In Stock$30.67QtyWheels and tires diagram
Snapper Tube, 4.10/3
Part #1664090Replaced by #1664090SM
Manufacturer substitutionThis part replaces 1664090. Substitute parts can look different from the original.In Stock$40.71Qty
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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