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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
Height adjustment/roller bar diagram
Snapper Roller
Part #1717675Replaced by #1717675SM
Manufacturer substitutionThis part replaces 1717675. Substitute parts can look different from the original.In Stock$13.43
Qty
44" mower deck-height adjustment diagram
Snapper Trunnion-1.2
Part #1704087Replaced by #1704087SM
Manufacturer substitutionThis part replaces 1704087. Substitute parts can look different from the original.In Stock$145.00QtySnapper Nut
Part #1704082Replaced by #1704082SM
Manufacturer substitutionThis part replaces 1704082. Substitute parts can look different from the original.In Stock$10.17QtyTransmission service parts diagram
Snapper Control Arm
Part #1724347Replaced by #1724347SM
Manufacturer substitutionThis part replaces 1724347. Substitute parts can look different from the original.In Stock$29.29Qty44" mower deck-height adjustment diagram
Snapper Cap Screw
Part #1913709Replaced by #5025013X24SM
Manufacturer substitutionThis part replaces 1913709. Substitute parts can look different from the original.In Stock$7.60QtySeat/seat deck diagram
Snapper Clip
Part #2172434Replaced by #2172434SM
Manufacturer substitutionThis part replaces 2172434. Substitute parts can look different from the original.In Stock$8.97QtySnapper Bolt
Part #1931350Replaced by #703815
Manufacturer substitutionThis part replaces 1931350. Substitute parts can look different from the original.In Stock$30.79QtyCruise control diagram
Snapper Spring
Part #1677746Replaced by #1677746SM
Manufacturer substitutionThis part replaces 1677746. Substitute parts can look different from the original.In Stock$15.66QtyTransmission-tuff torq k-57 diagram
Snapper V-belt
Part #1726841Replaced by #1726841SM
Manufacturer substitutionThis part replaces 1726841. Substitute parts can look different from the original.In Stock$79.53QtySeat/seat deck diagram
Snapper Spring
Part #1717051Replaced by #1717051SM
Manufacturer substitutionThis part replaces 1717051. Substitute parts can look different from the original.In Stock$27.91Qty
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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