Homelite String Trimmer UT20721 Parts

Shop replacement repair parts for Homelite String Trimmer model UT20721

Brand:Homelite

Model:UT20721

Product:String Trimmer

Shop Parts Common Problems Diagrams & Manuals Related Videos

Filters

87 results

Homelite String Trimmer Rewind Spring

Genuine OEM Part # 638033001 | RC Item #1954371

# 638033001
RC Item #1954371

Skill Level (2)

We sell the real thing!

638033001 Rewind Spring

$7.63

Homelite rewind spring (recoil spring) and container. If the rewind spring is broken, the starter rope won't retract.

Homelite String Trimmer Compression Spring

Genuine OEM Part # 06713 | RC Item #1947382

# 06713
RC Item #1947382

Skill Level (1)

We sell the real thing!

06713 Compression Spring

$1.72

Homelite compression spring. Pushes bump knob back out after string is released.

Homelite String Trimmer Throttle Cable

Genuine OEM Part # 308055002 | RC Item #1951824

# 308055002
RC Item #1951824

Skill Level (2)

We sell the real thing!

308055002 Throttle Cable

$2.14

Throttle cable-25cc

Homelite String Trimmer Starter Rope

Genuine OEM Part # 900849002 | RC Item #1955521

# 900849002
RC Item #1955521

Skill Level (2)

We sell the real thing!

900849002 Starter Rope

$1.72

Starter rope

Homelite String Trimmer Muffler

Genuine OEM Part # UP04634 | RC Item #1945080

# UP04634
RC Item #1945080

We sell the real thing!

UP04634 Muffler

$28.12

Homelite String Trimmer Starter Spring

Genuine OEM Part # 638033001 | RC Item #4378027

# 638033001
RC Item #4378027

We sell the real thing!

638033001 Starter Spring

$13.38

Spring housing asm

Homelite String Trimmer Tr45r (3pk)

Genuine OEM Part # 82541 | RC Item #3294512

# 82541
RC Item #3294512

We sell the real thing!

$34.10

Homelite String Trimmer Screw

Genuine OEM Part # 82540 | RC Item #3294511

# 82540
RC Item #3294511

We sell the real thing!

$32.15

Tr40r (3pk)

Homelite String Trimmer Tr30r (3pk)

Genuine OEM Part # 82538 | RC Item #3294509

# 82538
RC Item #3294509

We sell the real thing!

$19.70

Homelite String Trimmer Guard

Genuine OEM Part # 82541 | RC Item #3148157

# 82541
RC Item #3148157

We sell the real thing!

$18.10

Guard

Homelite String Trimmer Clutch cover

Genuine OEM Part # 82540 | RC Item #3148156

# 82540
RC Item #3148156

We sell the real thing!

$9.80

Homelite String Trimmer Heat Exchanger

Genuine OEM Part # 07516 | RC Item #3044897

# 07516
RC Item #3044897

We sell the real thing!

$1.90

Hanger

Homelite String Trimmer Valve - disc

Genuine OEM Part # 82-53-7 | RC Item #2699340

# 82-53-7
RC Item #2699340

We sell the real thing!

$1.45

Homelite String Trimmer Shrtblk,st,25cc,cst-

Genuine OEM Part # UP00743A | RC Item #1957927

# UP00743A
RC Item #1957927

We sell the real thing!

$73.25

Homelite String Trimmer Flat Washer

Genuine OEM Part # 84006 | RC Item #1957287

# 84006
RC Item #1957287

We sell the real thing!

$2.62

Washer flat

Pageof 6Go

Homelite UT20721 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 Homelite UT20721 problems ― and their solutions. Do any of these look familiar?

String trimmer won't start

6 possible causes and potential solutions

Video

String trimmer starts then stalls

3 possible causes and potential solutions

Video

String trimmer runs rough

4 possible causes and potential solutions

Video

VIEW ALL COMMON PROBLEMS Shop All Homelite String Trimmer Parts

Frequently Purchased Together For This Model

$7.63

Compression Spring

Compression Spring

$1.72

$2.14

$1.72

UT20721 Parts

Maintain and repair your Homelite UT20721 String Trimmer efficiently with genuine Homelite UT20721 replacement parts from Repair Clinic. Our extensive inventory includes parts for all common UT20721 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 UT20721. 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 UT20721 Parts?

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

Repair your Homelite UT20721 String Trimmer with reliable replacement parts and expert support from Repair Clinic. Order today and ensure your String Trimmer stays in top condition.

Chat

Talk With Us

We can help you check an order, track a package, start a return, and more.

Chat

Talk With Us

We can help you check an order, track a package, start a return, and more.

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

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 Stories Repair Parts BrandsDIY Repair Blog In the News

Click for the BBB Business Review of this Appliances - Major - Parts & Supplies in Canton MI

Quick Links

Shipping Information 365 Day Return Policy Retail Location & Hours Contact Us Track Order Reviews Repair Clinic Pro

Social Media

YouTube Facebook Twitter Instagram Pinterest

Privacy Policy Do Not Sell/Share My Personal Information Terms & Conditions Sitemap Get 10% Off

© 2026 RepairClinic.com