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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
Frame/front axle diagram
Snapper Nut
Part #1930650Replaced by #1930650SM
Manufacturer substitutionThis part replaces 1930650. Substitute parts can look different from the original.In Stock$10.34
Qty
Decals diagram
Snapper Decal
Part #1725061Replaced by #1750913YP
Manufacturer substitutionThis part replaces 1725061. Substitute parts can look different from the original.In Stock$24.26QtySnapper Washer
Part #1960103Replaced by #1960103SM
Manufacturer substitutionThis part replaces 1960103. Substitute parts can look different from the original.In Stock$7.83QtyFrame/front axle diagram
Snapper Bumper
Part #1721805AReplaced by #1721805ASM
Manufacturer substitutionThis part replaces 1721805A. Substitute parts can look different from the original.In Stock$90.71QtyWheels and tires diagram
Snapper Cap
Part #1722676Replaced by #1722676SM
Manufacturer substitutionThis part replaces 1722676. Substitute parts can look different from the original.In Stock$10.17QtyHeight adjustment/roller bar diagram
Snapper Pivot-.750he
Part #2108512Replaced by #2108512SM
Manufacturer substitutionThis part replaces 2108512. Substitute parts can look different from the original.In Stock$53.69QtyTransmission service parts diagram
Snapper Shoe Brake
Part #1724305Replaced by #1724305SM
Manufacturer substitutionThis part replaces 1724305. Substitute parts can look different from the original.In Stock$10.97QtyControls diagram
Snapper Bushing
Part #1663114Replaced by #1663114SM
Manufacturer substitutionThis part replaces 1663114. Substitute parts can look different from the original.In Stock$7.83QtyHood/grille/dash diagram
Snapper Lawn & Garden Equipment Nut
Part #1933896Replaced by #703412
Manufacturer substitutionThis part replaces 1933896. Substitute parts can look different from the original.In Stock$8.06QtyHousing/arbors/blades diagram
Snapper Cover
Part #1715673Replaced by #1715673SM
Manufacturer substitutionThis part replaces 1715673. Substitute parts can look different from the original.In Stock$58.29Qty
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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