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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
Transmission service parts diagram
Snapper Bearing
Part #1708673Replaced by #1708673SM
Manufacturer substitutionThis part replaces 1708673. Substitute parts can look different from the original.In Stock$37.76
Qty
Snapper Bolt
Part #1931335Replaced by #703800
Manufacturer substitutionThis part replaces 1931335. Substitute parts can look different from the original.In Stock$29.88QtyControls diagram
Snapper Pad-brake Pe
Part #1721577Replaced by #1721577SM
Manufacturer substitutionThis part replaces 1721577. Substitute parts can look different from the original.In Stock$30.44QtyTransmission service parts diagram
Snapper Gear-reducti
Part #1724949Replaced by #1724949SM
Manufacturer substitutionThis part replaces 1724949. Substitute parts can look different from the original.In Stock$52.78Qty40" mower deck-belt/idler arm/hitch diagram
Snapper Rod
Part #1713578Replaced by #1713578SM
Manufacturer substitutionThis part replaces 1713578. Substitute parts can look different from the original.In Stock$23.78QtyWheels and tires diagram
Snapper Tube,20x8-10
Part #2173477Replaced by #2173477SM
Manufacturer substitutionThis part replaces 2173477. Substitute parts can look different from the original.In Stock$116.62QtyElectrical diagram
Snapper Wire
Part #1665237Replaced by #1665237SM
Manufacturer substitutionThis part replaces 1665237. Substitute parts can look different from the original.In Stock$22.77QtyCruise control diagram
Snapper Decal
Part #1723713Replaced by #1723713SM
Manufacturer substitutionThis part replaces 1723713. Substitute parts can look different from the original.In Stock$24.73QtySnapper Ring
Part #1724316Replaced by #7073757YP
Manufacturer substitutionThis part replaces 1724316. Substitute parts can look different from the original.In Stock$9.71QtySteering-manual steering diagram
Snapper Bolt
Part #1960655Replaced by #703446
Manufacturer substitutionThis part replaces 1960655. Substitute parts can look different from the original.In Stock$7.83Qty
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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