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MTD 840 THRU 849 lawn tractor Parts
Here are the diagrams and repair parts for MTD 840 THRU 849 lawn tractor, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for 840 THRU 849 Riding Mowers & Tractors
Lawn Tractor Hex Bolt
Part #710-0805Replaced by #710-0805A
Manufacturer substitutionThis part replaces 710-0805. Substitute parts can look different from the original.This item is not returnableIn Stock$7.86
Qty
Hood/grille - style 8 - 828 and 848 diagram
Light Switch
Part #725-0634Replaced by #925-0634
Manufacturer substitutionThis part replaces 725-0634. Substitute parts can look different from the original.In Stock$49.95QtyExtension Spring
Part #732-0308Replaced by #732-0308A
Manufacturer substitutionThis part replaces 732-0308. Substitute parts can look different from the original.In Stock$17.60QtyJam Nut
Part #712-0240Replaced by #912-0240
Manufacturer substitutionThis part replaces 712-0240. Substitute parts can look different from the original.This item is not returnableIn Stock$6.5013% OFF Phone Price : $7.50
QtyDeck "h" assembly diagram
Spindle Assembly
Part #618-0240Replaced by #918-0240C
Manufacturer substitutionThis part replaces 618-0240. Substitute parts can look different from the original.In Stock$120.639% OFF Phone Price : $132.63QtyDeck h assembly diagram
Belt Cover
Part #17258CReplaced by #17258E-0637
Manufacturer substitutionThis part replaces 17258C. Substitute parts can look different from the original.In Stock$69.858% OFF Phone Price : $75.85QtyHood/grille - style 8 - 828 and 848 diagram
Lawn & Garden Equipment Cable Tie
Part #725-0157Replaced by #726-0178
Manufacturer substitutionThis part replaces 725-0157. Substitute parts can look different from the original.This item is not returnableIn Stock$25.35QtyWasher
Part #710-1005Replaced by #710-0599
Manufacturer substitutionThis part replaces 710-1005. Substitute parts can look different from the original.This item is not returnableIn Stock$5.6415% OFF Phone Price : $6.64QtyLawn Mower Blade
Part #742-0645Get free shipping with Automatic ReorderReplaced by #942-0645
Manufacturer substitutionThis part replaces 742-0645. Substitute parts can look different from the original.In Stock$55.72QtyLawn & Garden Equipment Carriage Bolt
Part #710-0167Replaced by #710-05177
Manufacturer substitutionThis part replaces 710-0167. Substitute parts can look different from the original.This item is not returnableIn Stock$8.91Qty
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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