Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
MTD 665 lawn tractor

MTD 665 lawn tractor Parts

Here are the diagrams and repair parts for MTD 665 lawn tractor, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 665 Riding Mowers & Tractors

  • Lawn Tractor Mandrel Assembly for MTD 665 - Part 918-0138C

    Deck "f" diagram

    Spindle Assembly

    Part #618-0138

    Replaced by #918-0138C

    Info Icon
    Manufacturer substitution
    This part replaces 618-0138. Substitute parts can look different from the original.
    In Stock
    $193.52
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Flat Washer for MTD 665 - Part 936-0256

    Washer

    Part #736-0256

    Replaced by #936-0256

    Info Icon
    Manufacturer substitution
    This part replaces 736-0256. Substitute parts can look different from the original.
    In Stock
    $34.68
    Minus Item
    Qty
    Plus Item
  • Mtd Yard-man Lawn Tractor Extension Spring for MTD 665 - Part 732-04076A

    Transaxle diagram

    Extension Spring

    Part #732-04076

    Replaced by #732-04076A

    Info Icon
    Manufacturer substitution
    This part replaces 732-04076. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $45.42
    Minus Item
    Qty
    Plus Item
  • Bell Washer for MTD 665 - Part 936-0219

    Washer

    Part #736-0219

    Replaced by #936-0219

    Info Icon
    Manufacturer substitution
    This part replaces 736-0219. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.49
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Flange Bearing for MTD 665 - Part 941-0337

    Flange Bearing

    Part #741-0337

    Replaced by #941-0337

    Info Icon
    Manufacturer substitution
    This part replaces 741-0337. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $16.09
    Minus Item
    Qty
    Plus Item
  • Tiller Washer for MTD 665 - Part 936-0271

    Steering diagram

    Washer

    Part #736-0271

    Replaced by #936-0271

    Info Icon
    Manufacturer substitution
    This part replaces 736-0271. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.23
    Minus Item
    Qty
    Plus Item
  • Snowblower Lock Washer for MTD 665 - Part 736-0158

    Lock Washer

    Part #736-0158

    Replaced by #736-0158

    Info Icon
    Manufacturer substitution
    This part replaces 736-0158. Substitute parts can look different from the original.
    In Stock
    $25.82
    Minus Item
    Qty
    Plus Item
  • Rod-tie-non for MTD 665 - Part 747-0861-0637

    Steering diagram

    Rod-tie-non

    Part #747-0861

    Replaced by #747-0861-0637

    Info Icon
    Manufacturer substitution
    This part replaces 747-0861. Substitute parts can look different from the original.
    In Stock
    $43.03
    12% OFF Phone Price : $49.03Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Wheel Assembly, 20 X 8-in for MTD 665 - Part 634Z0104-0637

    Transaxle diagram

    Lawn Tractor Wheel Assembly

    Part #634-0104

    Replaced by #634Z0104-0637

    Info Icon
    Manufacturer substitution
    This part replaces 634-0104. Substitute parts can look different from the original.
    In Stock
    $224.04
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Lock Washer for MTD 665 - Part 936-0329

    Lock Washer

    Part #736-0329

    Replaced by #936-0329

    Info Icon
    Manufacturer substitution
    This part replaces 736-0329. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.20
    Minus Item
    Qty
    Plus Item

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.…

Parts & More

Bottom-Mount Refrigerator
Canister Vacuum
Chainsaw
Dryer
Front-Engine Lawn Tractor
Gas Line Trimmer
Gas Walk-Behind Mower
Lawn & Garden Engine
Line Trimmer
Parts
Range
Refrigerator
Side-By-Side Refrigerator
Toaster
Upright Freezer
Washer