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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 Key
Part #2830671Replaced by #2830671SM
Manufacturer substitutionThis part replaces 2830671. Substitute parts can look different from the original.In Stock$16.66
Qty
Transmission-tuff torq k-57 diagram
Snapper Washer
Part #1960141Replaced by #1960141SM
Manufacturer substitutionThis part replaces 1960141. Substitute parts can look different from the original.This item is not returnableIn Stock$7.09Qty44" mower deck-height adjustment diagram
Snapper Trunnion-1.2
Part #1704086Replaced by #1704086SM
Manufacturer substitutionThis part replaces 1704086. Substitute parts can look different from the original.In Stock$45.64QtyControls diagram
Snapper Pulley
Part #1721134Replaced by #1721134SM
Manufacturer substitutionThis part replaces 1721134. Substitute parts can look different from the original.In Stock$43.56QtySeat/seat deck diagram
Snapper Tube Elbow
Part #1726902Replaced by #1757609YP
Manufacturer substitutionThis part replaces 1726902. Substitute parts can look different from the original.In Stock$30.09QtyControls diagram
Snapper Pad Foot Pedal
Part #1721674Replaced by #1721674SM
Manufacturer substitutionThis part replaces 1721674. Substitute parts can look different from the original.In Stock$14.94QtySnapper Cap Screw
Part #1921968Replaced by #1921968SM
Manufacturer substitutionThis part replaces 1921968. Substitute parts can look different from the original.In Stock$8.26QtyTransmission-tuff torq k-57 diagram
Snapper Panel Fastener
Part #1704351Replaced by #1704351SM
Manufacturer substitutionThis part replaces 1704351. Substitute parts can look different from the original.In Stock$9.71QtyDecals diagram
Snapper Decal
Part #1725061Replaced by #1750913YP
Manufacturer substitutionThis part replaces 1725061. Substitute parts can look different from the original.In Stock$24.26QtyElectrical diagram
Snapper Lock Washer
Part #2820426Replaced by #703138
Manufacturer substitutionThis part replaces 2820426. Substitute parts can look different from the original.In Stock$30.44Qty
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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