- Kenmore refrigerator water filters
- Whirlpool refrigerator water filters
- Samsung refrigerator water filters
- GE refrigerator water filters
- LG refrigerator water filters
- Frigidaire refrigerator water filters
- KitchenAid refrigerator water filters
- Maytag refrigerator water filters
- Kenmore Elite refrigerator water filters
- Estate refrigerator water filters
- GE Profile refrigerator water filters
- Amana refrigerator water filters
- Bosch refrigerator water filters
- Dacor refrigerator water filters
- Electrolux refrigerator water filters
Top DIY repair help
View All Repair Categories
Appliances
Lawn & Garden
Power Tools
Home Improvement
Sports & Leisure
Heating & Cooling
MTD 663 lawn tractor Parts
Here are the diagrams and repair parts for MTD 663 lawn tractor, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for 663 Riding Mowers & Tractors
Air Valve
Part #734-0255Replaced by #934-0255
Manufacturer substitutionThis part replaces 734-0255. Substitute parts can look different from the original.This item is not returnableIn Stock$7.5412% OFF Phone Price : $8.54
Qty
Jam 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 : $7.50QtyMtd Lawn Tractor Screw
In Stock$7.7211% OFF Phone Price : $8.72QtyEngine diagram
Oil Drain Cap
Part #751-3142Replaced by #951-10517A
Manufacturer substitutionThis part replaces 751-3142. Substitute parts can look different from the original.This item is not returnableIn Stock$34.5115% OFF Phone Price : $40.51QtyLawn Tractor Wheel Cap
Part #731-2290AReplaced by #731-2290B
Manufacturer substitutionThis part replaces 731-2290A. Substitute parts can look different from the original.This item is not returnableIn Stock$7.2212% OFF Phone Price : $8.22QtyOil Drain
Part #751-3140Replaced by #951-10517A
Manufacturer substitutionThis part replaces 751-3140. Substitute parts can look different from the original.This item is not returnableIn Stock$34.5115% OFF Phone Price : $40.51QtyTransmission diagram
Lawn Tractor Shoulder Spacer
Part #738-0372BThis item is not returnableIn Stock$15.0212% OFF Phone Price : $17.02QtyYard-man Lawn Tractor Oil Drain Tube
Part #731-1682AThis item is not returnableIn Stock$12.6914% OFF Phone Price : $14.69QtyEngine diagram
Toro Lawn Tractor Socket Screw
In Stock$6.9413% OFF Phone Price : $7.94QtyHood 668/688 diagram
Aircap Lawn & Garden Equipment Hex Screw
Part #710-0896This item is not returnableIn Stock$5.9914% OFF Phone Price : $6.99Qty
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.…
Parts & More
Air Compressor
Elliptical Machine
Front-Engine Lawn Tractor
Gas Line Trimmer
Gas Range
Gas Walk-Behind Mower
Parts
Refrigerator
Storm & Screen Doors
Top-Mount Refrigerator