HomePartsMTD PartsMower PartsMTD Mower Parts668 Parts

MTD Lawn Mower 668 Parts

Shop replacement repair parts for MTD Lawn Mower model 668

icons/lawnmower
Brand:MTD
Model:668
Product:Lawn Mower
Shop PartsCommon ProblemsDiagrams & ManualsRelated Videos
Filters
79 results
MTD Lawn Mower Pin
Genuine OEM Part # 714-0104 | RC Item #1935509
# 714-0104
RC Item #1935509
Skill Level (1)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
714-0104 Pin
Watch Video
$4.79

Pin:cot:.072 dia. 1.13 lg

MTD Lawn Mower Washer
Genuine OEM Part # 736-0105 | RC Item #1620764
# 736-0105
RC Item #1620764
Skill Level (1)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
736-0105 Washer
Watch Video
$4.70

Bell wash. .38" I.D. x .88" O.D.

MTD Lawn Mower Washer
Genuine OEM Part # 736-0187 | RC Item #1617170
# 736-0187
RC Item #1617170
Skill Level (1)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
736-0187 Washer
Watch Video
$4.20

Flat washer, .64 x 1.24 x.06

MTD Lawn Mower Bushing
Genuine OEM Part # 722-0153 | RC Item #4681662
# 722-0153
RC Item #4681662
Product is a bestsellerProduct is a manufacturer part
722-0153 Bushing
Watch Video
$4.10

Mount-engine

MTD Lawn Mower Screw
Genuine OEM Part # 710-0805A | RC Item #3536067
# 710-0805A
RC Item #3536067
Product is a bestsellerProduct is a manufacturer part
710-0805A Screw
Watch Video
$5.20

Screw-hex cap

MTD Lawn Mower Foam Filter
Genuine OEM Part # 16031 | RC Item #2352362
# 16031
RC Item #2352362
Product is a bestsellerProduct is a manufacturer part
16031 Foam Filter
Watch Video
$68.38

Filter foam

MTD Lawn Mower Oil Seal
Genuine OEM Part # 721-0179 | RC Item #2027473
# 721-0179
RC Item #2027473
Product is a bestsellerProduct is a manufacturer part
721-0179 Oil Seal
Watch Video
$10.56

Oil seal .750 x 1.00 x .125

MTD Lawn Mower Flange Bearing
Genuine OEM Part # 941-0591 | RC Item #1842963
# 941-0591
RC Item #1842963
Product is a bestsellerProduct is a manufacturer part
941-0591 Flange Bearing
Watch Video
$4.20

Bearing-flange

MTD Lawn Mower Flange Bearing
Genuine OEM Part # 941-0336 | RC Item #1842927
# 941-0336
RC Item #1842927
Product is a bestsellerProduct is a manufacturer part
941-0336 Flange Bearing
Watch Video
$12.59

Flange bearing: .518" id x 3/7" lg.

MTD Lawn Mower Shoulder Screw
Genuine OEM Part # 938-0155 | RC Item #1842814
# 938-0155
RC Item #1842814
Product is a bestsellerProduct is a manufacturer part
938-0155 Shoulder Screw
Watch Video
$7.86

Screw-shld

MTD Lawn Mower Extension Spring
Genuine OEM Part # 932-0303 | RC Item #1842528
# 932-0303
RC Item #1842528
Product is a bestsellerProduct is a manufacturer part
932-0303 Extension Spring
Watch Video
$12.26

Spring-extension

MTD Lawn Mower Cap
Genuine OEM Part # 931-0220 | RC Item #1842279
# 931-0220
RC Item #1842279
Product is a bestsellerProduct is a manufacturer part
931-0220 Cap
Watch Video
$10.36

Steering wheel cap

MTD Lawn Mower Headlight
Genuine OEM Part # 925-0222 | RC Item #1842048
# 925-0222
RC Item #1842048
Product is a bestsellerProduct is a manufacturer part
925-0222 Headlight
Watch Video
$67.56

Headlamp

MTD Lawn Mower Square Key
Genuine OEM Part # 914-0114 | RC Item #1841565
# 914-0114
RC Item #1841565
Product is a bestsellerProduct is a manufacturer part
914-0114 Square Key
Watch Video
$3.92

Key-sq

MTD Lawn Mower Nut
Genuine OEM Part # 912-3008 | RC Item #1841496
# 912-3008
RC Item #1841496
Product is a bestsellerProduct is a manufacturer part
912-3008 Nut
Watch Video
$5.34

Nut-hex jam

Go

MTD 668 Problems & Repair Solutions

There are only a handful of issues that crop up with most appliances and equipment. Since 1912, we've learned to recognize the most common MTD 668 problems ― and their solutions. Do any of these look familiar?
Lawn mower won't start
3 possible causes and potential solutions
Lawn mower won't start
VIEW ALL COMMON PROBLEMSShop All MTD Lawn Mower Parts

Frequently Purchased Together For This Model

Pin
Pin
Washer
Washer
Washer
Washer
Bushing
Bushing

668 Parts

Maintain and repair your MTD 668 Lawn Mower efficiently with genuine MTD 668 replacement parts from Repair Clinic. Our extensive inventory includes parts for all common 668 repairs, ensuring you have everything needed for a successful fix.

Search by model number, part category, part title, or specific symptoms to locate the right parts for your 668. Use detailed parts diagrams, repair help guides, and manuals to guide your repair process. Repair Clinic provides troubleshooting tips and videos to resolve common issues and keep your equipment running like new.

Why Choose Repair Clinic for 668 Parts?

  • Genuine MTD replacement parts
  • Same-day shipping on in-stock items
  • 365-day, no-hassle return policy
  • Price match guarantee

Repair your MTD 668 Lawn Mower with reliable replacement parts and expert support from Repair Clinic. Order today and ensure your Lawn Mower stays in top condition.

Repair Clinic
Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips!
Our Story

Family-owned and operated since 1912, Burke America Parts Group is the longest-running genuine appliance, HVAC, and outdoor power equipment parts solution in North America. At Repair Clinic, we're proud to be an international brand trusted by the pros as well as the DIY community.

About Repair Clinic
Customer StoriesRepair Parts BrandsDIY Repair BlogIn the News
Click for the BBB Business Review of this Appliances - Major - Parts & Supplies in Canton MI
Quick Links
Shipping Information365 Day Return PolicyRetail Location & HoursContact UsTrack OrderReviewsRepair Clinic Pro
Social Media
Privacy PolicyDo Not Sell/Share My Personal InformationTerms & ConditionsSitemapGet 10% Off
© 2026 RepairClinic.com