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MTD 668 lawn tractor

MTD 668 lawn tractor Parts

Here are the diagrams and repair parts for MTD 668 lawn tractor, as well as links to manuals and error code tables, if available.

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Browse Parts for 668 Riding Mowers & Tractors

  • Spring Clip for MTD 668 - Part 732-04067

    Transmission diagram

    Spring Clip

    Part #732-04067

    The manufacturer no longer makes this part, and there's no substitute part

  • Exhaust Pipe for MTD 668 - Part 751-0651A

    Engine diagram

    Exhaust Pipe

    Part #751-0651A

    The manufacturer no longer makes this part, and there's no substitute part

  • Fender-rr W/ for MTD 668 - Part 17870C

    Seat diagram

    Fender-rr W/

    Part #17870C

    The manufacturer no longer makes this part, and there's no substitute part

  • Variable Bracket for MTD 668 - Part 683-04056

    Transmission diagram

    Variable Bracket

    Part #683-04056

    The manufacturer no longer makes this part, and there's no substitute part

  • Spacer   .64 for MTD 668 - Part 750-04080

    Transaxle diagram

    Spacer .64

    Part #750-04080

    The manufacturer no longer makes this part, and there's no substitute part

  • Panel for MTD 668 - Part 783-0366

    Hood 662/663/682/683 diagram

    Panel

    Part #783-0366

    The manufacturer no longer makes this part, and there's no substitute part

  • Washer for MTD 668 - Part 735-0126

    Hood 668/688 diagram

    Washer

    Part #735-0126

    The manufacturer no longer makes this part, and there's no substitute part

  • Bracket Assembly for MTD 668 - Part 683-0195

    Hood 668/688 diagram

    Bracket Assembly

    Part #683-0195

    The manufacturer no longer makes this part, and there's no substitute part

  • Lift Link for MTD 668 - Part 748-04307

    Transaxle diagram

    Lift Link

    Part #748-04307

    The manufacturer no longer makes this part, and there's no substitute part

  • Exhaust Pipe for MTD 668 - Part 751-0813

    Exhaust Pipe

    Part #751-0813

    The manufacturer no longer makes this part, and there's no substitute part

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

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

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

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.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Jump-starting a riding lawn mower battery video

Jump-starting a riding lawn mower battery video

Learn how to connect cables safely to jump-start your mower’s battery.…

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