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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
Snapper Lawn & Garden Equipment Screw
Part #1664847Replaced by #703228
Manufacturer substitutionThis part replaces 1664847. Substitute parts can look different from the original.In Stock$8.51
Qty
Height adjustment/roller bar diagram
Snapper Spring
Part #1723321Replaced by #1723321SM
Manufacturer substitutionThis part replaces 1723321. Substitute parts can look different from the original.In Stock$13.06Qty40" 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$23.78QtyTransmission service parts diagram
Snapper Packing
Part #1707879Replaced by #1707879SM
Manufacturer substitutionThis part replaces 1707879. Substitute parts can look different from the original.In Stock$8.06QtyHousing/arbors/blades diagram
Snapper Sprocket Repair
Part #1687229Replaced by #1732590SM
Manufacturer substitutionThis part replaces 1687229. Substitute parts can look different from the original.In Stock$119.94QtyTransmission service parts diagram
Snapper Seal Tc
Part #1724283Replaced by #7073794YP
Manufacturer substitutionThis part replaces 1724283. Substitute parts can look different from the original.In Stock$60.58QtySnapper Arbor Adapter
Part #1677274AReplaced by #1677274ASM
Manufacturer substitutionThis part replaces 1677274A. Substitute parts can look different from the original.In Stock$31.42QtyWheels 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$116.62QtyControls diagram
Snapper Pad Foot Pedal
Part #1721674Replaced by #1721674SM
Manufacturer substitutionThis part replaces 1721674. Substitute parts can look different from the original.In Stock$14.94QtyHeight adjustment/roller bar diagram
Snapper Roller
Part #1668513Replaced by #1668513SM
Manufacturer substitutionThis part replaces 1668513. Substitute parts can look different from the original.In Stock$19.43Qty
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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