HomePartsMTD PartsString Trimmer PartsMTD String Trimmer PartsAF720 Parts

MTD String Trimmer AF720 Parts

Shop replacement repair parts for MTD String Trimmer model AF720

icons/string trimmer
Brand:MTD
Model:AF720
Product:String Trimmer
Shop PartsCommon ProblemsDiagrams & ManualsRelated Videos
Filters
23 results
MTD String Trimmer Screw
Genuine OEM Part # 791-182519 | RC Item #1840928
# 791-182519
RC Item #1840928
Product is a manufacturer part
791-182519 Screw
Watch Video
$6.72

Scr 8-32 x .312 ph

MTD String Trimmer Mounting Bracket
Genuine OEM Part # 731-08926 | RC Item #4867272
# 731-08926
RC Item #4867272
Skill Level (1)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
731-08926 Mounting Bracket
Watch Video
$3.22

Hanger

MTD String Trimmer Drive Shaft
Genuine OEM Part # 753-05267 | RC Item #1831027
# 753-05267
RC Item #1831027
Skill Level (2)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
753-05267 Drive Shaft
Watch Video
$42.01

Lower drive shaft

MTD String Trimmer Blade Guard
Genuine OEM Part # 753-06123 | RC Item #1831620
# 753-06123
RC Item #1831620
Product is a manufacturer part
753-06123 Blade Guard
Watch Video
$25.16

Gd & bld asm:ss:17

MTD String Trimmer Screw
Genuine OEM Part # 791-182195 | RC Item #1840790
# 791-182195
RC Item #1840790
Product is a manufacturer part
791-182195 Screw
Watch Video
$8.60

Screw, #10-24X11/16 T

MTD String Trimmer Spacer
Genuine OEM Part # 791-182196 | RC Item #1840791
# 791-182196
RC Item #1840791
Product is a bestsellerProduct is a manufacturer part
791-182196 Spacer
Watch Video
$25.80

Gearbox spacer

MTD String Trimmer Trimmer Head
Genuine OEM Part # 791-182193 | RC Item #1840788
# 791-182193
RC Item #1840788
Product is a bestsellerProduct is a manufacturer part
791-182193 Trimmer Head
Watch Video
$103.92

Gearbox asm

MTD String Trimmer Screw
Genuine OEM Part # 791-145569 | RC Item #1840006
# 791-145569
RC Item #1840006
Product is a bestsellerProduct is a manufacturer part
791-145569 Screw
Watch Video
$5.26

Screw-anti rotation

MTD String Trimmer Gearbox
Genuine OEM Part # 753-06171 | RC Item #1831667
# 753-06171
RC Item #1831667
Product is a bestsellerProduct is a manufacturer part
753-06171 Gearbox
$25.15

Gearbox asm

MTD String Trimmer Boom asm w/brkt
Genuine OEM Part # 753-06170 | RC Item #1831666
# 753-06170
RC Item #1831666
Product is a bestsellerProduct is a manufacturer part
753-06170 Boom asm w/brkt
$12.88
MTD String Trimmer Line Cutter
Genuine OEM Part # 753-06126 | RC Item #1831623
# 753-06126
RC Item #1831623
Product is a bestsellerProduct is a manufacturer part
753-06126 Line Cutter
Watch Video
$3.90

Blade assembly

MTD String Trimmer Screw
Genuine OEM Part # 753-06125 | RC Item #1831622
# 753-06125
RC Item #1831622
Product is a bestsellerProduct is a manufacturer part
753-06125 Screw
Watch Video
$7.76

Screw set

MTD String Trimmer Line Cutter
Genuine OEM Part # 753-05821 | RC Item #1831384
# 753-05821
RC Item #1831384
Skill Level (1)
skill level dotskill level dotskill level dotskill level dot
Product is a bestsellerProduct is a manufacturer part
753-05821 Line Cutter
$10.52

Blade asm

MTD String Trimmer Guard
Genuine OEM Part # 753-05820 | RC Item #1831383
# 753-05820
RC Item #1831383
Product is a bestsellerProduct is a manufacturer part
753-05820 Guard
$29.62

Blade Guard

MTD String Trimmer Brush Cutter
Genuine OEM Part # 753-05756 | RC Item #1831333
# 753-05756
RC Item #1831333
Product is a bestsellerProduct is a manufacturer part
753-05756 Brush Cutter
$8.98

Blades 8pk aerofle

Go

MTD AF720 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 AF720 problems ― and their solutions. Do any of these look familiar?
String trimmer head won't spin
4 possible causes and potential solutions
String trimmer head won't spin
String trimmer string line won't feed
1 possible causes and potential solutions
String trimmer string line won't feed
VIEW ALL COMMON PROBLEMSShop All MTD String Trimmer Parts

Frequently Purchased Together For This Model

Screw
Screw
Mounting Bracket
Mounting Bracket
Drive Shaft
Drive Shaft
Blade Guard
Blade Guard

AF720 Parts

Maintain and repair your MTD AF720 String Trimmer efficiently with genuine MTD AF720 replacement parts from Repair Clinic. Our extensive inventory includes parts for all common AF720 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 AF720. 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 AF720 Parts?

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

Repair your MTD AF720 String Trimmer with reliable replacement parts and expert support from Repair Clinic. Order today and ensure your String Trimmer 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