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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 Hook-j
Part #1721918AReplaced by #1721918ASM
Manufacturer substitutionThis part replaces 1721918A. Substitute parts can look different from the original.In Stock$48.11
Qty
Controls diagram
Snapper Lube Fitting
Part #2821133Replaced by #703907
Manufacturer substitutionThis part replaces 2821133. Substitute parts can look different from the original.In Stock$32.35Qty44" mower deck-belt/idler arm/hitch diagram
Snapper Guard
Part #1677135AReplaced by #1677135ASM
Manufacturer substitutionThis part replaces 1677135A. Substitute parts can look different from the original.In Stock$24.46QtyHeight adjustment/roller bar diagram
Snapper Rod
Part #1724959Replaced by #703827
Manufacturer substitutionThis part replaces 1724959. Substitute parts can look different from the original.In Stock$41.27QtyTransmission-tuff torq k-57 diagram
Snapper Rod
Part #1726871Replaced by #1726871SM
Manufacturer substitutionThis part replaces 1726871. Substitute parts can look different from the original.In Stock$30.60QtySnapper Switch
Part #1717050Replaced by #1717050SM
Manufacturer substitutionThis part replaces 1717050. Substitute parts can look different from the original.In Stock$27.58QtyHeight adjustment/roller bar diagram
Snapper Button,red N
Part #1723124Replaced by #1723124SM
Manufacturer substitutionThis part replaces 1723124. Substitute parts can look different from the original.In Stock$11.97QtySteering-manual steering diagram
Snapper Steering Cap
Part #1725024Replaced by #1725024SM
Manufacturer substitutionThis part replaces 1725024. Substitute parts can look different from the original.In Stock$14.43QtySnapper Cap Screw
Part #1921977Replaced by #703570
Manufacturer substitutionThis part replaces 1921977. Substitute parts can look different from the original.In Stock$8.74QtyFrame/front axle diagram
Snapper Spacer
Part #1721752Replaced by #1721752SM
Manufacturer substitutionThis part replaces 1721752. Substitute parts can look different from the original.In Stock$22.84Qty
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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