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Bolens 668 lawn tractor Parts
Here are the diagrams and repair parts for Bolens 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
Upper and lower housing diagram
Flat Washer
Part #736-0337Replaced by #936-0337
Manufacturer substitutionThis part replaces 736-0337. Substitute parts can look different from the original.This item is not returnableIn Stock$8.23
Qty
Shield Bolt
Part #738-0373Replaced by #938-0373
Manufacturer substitutionThis part replaces 738-0373. Substitute parts can look different from the original.This item is not returnableIn Stock$13.9713% OFF Phone Price : $15.97
QtyAxle and steering assembly diagram
Steering Gear
Part #717-1757Replaced by #717-1757A
Manufacturer substitutionThis part replaces 717-1757. Substitute parts can look different from the original.In Stock$112.82QtyLift handle/lift shaft/frame diagram
Shaft-lift C
Part #748-04011Replaced by #948-04011A
Manufacturer substitutionThis part replaces 748-04011. Substitute parts can look different from the original.In Stock$35.62QtyUpper and lower housing diagram
Thrust Washer
Part #736-0519Replaced by #936-0519
Manufacturer substitutionThis part replaces 736-0519. Substitute parts can look different from the original.This item is not returnableIn Stock$9.34QtyLift handle/lift shaft/frame diagram
Washer
Part #736-0222Replaced by #936-0222
Manufacturer substitutionThis part replaces 736-0222. Substitute parts can look different from the original.In Stock$10.03Qty46" deck shell/chute diagram
Snap Ring
Part #716-3020Replaced by #916-3020
Manufacturer substitutionThis part replaces 716-3020. Substitute parts can look different from the original.This item is not returnableIn Stock$7.40QtyAxle and steering assembly diagram
Wheel Assy W
Part #634-0056AReplaced by #634-0056B-0911
Manufacturer substitutionThis part replaces 634-0056A. Substitute parts can look different from the original.In Stock$259.75$12.00 OFF Phone Price : $271.75QtyUpper and lower housing diagram
Bevel Geat 4
Part #717-1362Replaced by #917-1362
Manufacturer substitutionThis part replaces 717-1362. Substitute parts can look different from the original.In Stock$73.22QtyEngine/muffler/deck diagram
Muffler-sgl
Part #751-0617Replaced by #951-0617C
Manufacturer substitutionThis part replaces 751-0617. Substitute parts can look different from the original.In Stock$116.2429% OFF Was : $163.26Qty
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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