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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-tuff torq k-57 diagram
Snapper Rod
Part #1726806Replaced by #1726806SM
Manufacturer substitutionThis part replaces 1726806. Substitute parts can look different from the original.In Stock$19.57
Qty
Electrical diagram
Snapper Switch
Part #1726556Replaced by #84008079
Manufacturer substitutionThis part replaces 1726556. Substitute parts can look different from the original.In Stock$61.69QtyHeight adjustment/roller bar diagram
Snapper Cap Screw
Part #1921159Replaced by #5025010X18SM
Manufacturer substitutionThis part replaces 1921159. Substitute parts can look different from the original.This item is not returnableIn Stock$6.43QtyTransmission service parts diagram
Snapper Bypass Lever
Part #1720418Replaced by #7073750YP
Manufacturer substitutionThis part replaces 1720418. Substitute parts can look different from the original.In Stock$25.91QtySnapper Collar
Part #1724312Replaced by #7073747YP
Manufacturer substitutionThis part replaces 1724312. Substitute parts can look different from the original.In Stock$45.84QtyControls diagram
Snapper Pulley
Part #1721133Replaced by #1721133SM
Manufacturer substitutionThis part replaces 1721133. Substitute parts can look different from the original.In Stock$42.64QtyTransmission-tuff torq k-57 diagram
Snapper Spring
Part #1729277Replaced by #1729277SM
Manufacturer substitutionThis part replaces 1729277. Substitute parts can look different from the original.In Stock$13.23QtyHousing/arbors/blades diagram
Snapper Shield
Part #1700229Replaced by #1700229SM
Manufacturer substitutionThis part replaces 1700229. Substitute parts can look different from the original.In Stock$21.54QtyControls diagram
Snapper Arm Hub Assembly
Part #1724917Replaced by #1726882SM
Manufacturer substitutionThis part replaces 1724917. Substitute parts can look different from the original.In Stock$126.60Qty40" 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$23.78Qty
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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