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MTD 673 lawn tractor Parts
Here are the diagrams and repair parts for MTD 673 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 673 Riding Mowers & Tractors
Intek diagram
Lawn Tractor Engine Exhaust Manifold Gasket
Part #721-0460Replaced by #721P0460
Manufacturer substitutionThis part replaces 721-0460. Substitute parts can look different from the original.This item is not returnableIn Stock$9.2010% OFF Phone Price : $10.20
Qty
Drive diagram
Riding Lawn Mower Engine Pulley
Part #756-0982Replaced by #756-0982B
Manufacturer substitutionThis part replaces 756-0982. Substitute parts can look different from the original.In Stock$82.167% OFF Phone Price : $88.16QtySteering diagram
Ball Joint
Part #723-3018Replaced by #923-3018
Manufacturer substitutionThis part replaces 723-3018. Substitute parts can look different from the original.This item is not returnableIn Stock$25.7519% OFF Phone Price : $31.75QtyDeck "h" 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 : $132.63QtySafety Switch
Part #725-1657AReplaced by #925-1657A
Manufacturer substitutionThis part replaces 725-1657A. Substitute parts can look different from the original.This item is not returnableIn Stock$33.3315% OFF Phone Price : $39.33QtyLawn & Garden Equipment Screw
Part #710-1238Replaced by #710-1238A
Manufacturer substitutionThis part replaces 710-1238. Substitute parts can look different from the original.This item is not returnableIn Stock$7.86QtyHex Nut
Part #712-0138Replaced by #912-0138
Manufacturer substitutionThis part replaces 712-0138. Substitute parts can look different from the original.In Stock$11.86QtyGasket
Part #721-0208Replaced by #692236
Manufacturer substitutionThis part replaces 721-0208. Substitute parts can look different from the original.In Stock$7.4412% OFF Phone Price : $8.44QtyChute Assembly
Part #731-1032Replaced by #631-05229
Manufacturer substitutionThis part replaces 731-1032. Substitute parts can look different from the original.In Stock$108.8610% OFF Phone Price : $120.86QtyDrive diagram
Shift Lever
Part #17630Replaced by #17630A-0637
Manufacturer substitutionThis part replaces 17630. Substitute parts can look different from the original.In Stock$28.09Qty
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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