Troy-Bilt String Trimmer TB490BC Parts

Shop replacement repair parts for Troy-Bilt String Trimmer model TB490BC

Brand:Troy-Bilt

Model:TB490BC

Product:String Trimmer

Shop Parts Common Problems Diagrams & Manuals Related Videos

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163 results

Troy-Bilt String Trimmer Fuel Filter

Genuine OEM Part # 791-182353 | RC Item #1840839

# 791-182353
RC Item #1840839

Skill Level (2)

We sell the real thing!

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$11.32

Two cycle engine fuel filter and line assembly. If the fuel filter is clogged, it will restrict the flow of fuel to the carburetor. As a result, the engine may not start.

Troy-Bilt String Trimmer Throttle Control

Genuine OEM Part # 753-04119 | RC Item #1606373

# 753-04119
RC Item #1606373

Skill Level (1)

We sell the real thing!

Watch Video

$8.30

Throttle trigger

Troy-Bilt String Trimmer On - Off Switch

Genuine OEM Part # 791-182405 | RC Item #1840869

# 791-182405
RC Item #1840869

Skill Level (2)

We sell the real thing!

Watch Video

$12.35

On-Off Switch

Troy-Bilt String Trimmer Air Filter

Genuine OEM Part # 791-181757 | RC Item #1840577

# 791-181757
RC Item #1840577

Skill Level (1)

We sell the real thing!

Watch Video

$5.28

Filter-air

Troy-Bilt String Trimmer Spark Plug

Genuine OEM Part # 794-00082 | RC Item #3436748

# 794-00082
RC Item #3436748

We sell the real thing!

Watch Video

$8.82

Spark plug

Troy-Bilt String Trimmer Breather Tube

Genuine OEM Part # 791-182379 | RC Item #1840860

# 791-182379
RC Item #1840860

We sell the real thing!

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$5.86

Breather tube 1/4" O.D. 1/8" I.D.

Troy-Bilt String Trimmer Bump Knob

Genuine OEM Part # 791-180814B | RC Item #1840273

# 791-180814B
RC Item #1840273

Skill Level (2)

We sell the real thing!

Watch Video

$22.65

Knob asm-bump

Troy-Bilt String Trimmer Fuel Line

Genuine OEM Part # 791-182352 | RC Item #1840838

# 791-182352
RC Item #1840838

Skill Level (1)

We sell the real thing!

Watch Video

$8.65

Line fuel return

Troy-Bilt String Trimmer Fuel Cap

Genuine OEM Part # 753-1229 | RC Item #1832130

# 753-1229
RC Item #1832130

Skill Level (1)

We sell the real thing!

Watch Video

$25.74

Fuel cap

Troy-Bilt String Trimmer Clamp

Genuine OEM Part # 753-1190 | RC Item #1832102

# 753-1190
RC Item #1832102

Skill Level (2)

We sell the real thing!

Watch Video

$23.50

Assembly split boom coupler

Troy-Bilt String Trimmer Rewind Spring

Genuine OEM Part # 753-04286 | RC Item #1830559

# 753-04286
RC Item #1830559

We sell the real thing!

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$27.08

Starter rewind spring

Troy-Bilt String Trimmer Oil Plug

Genuine OEM Part # 791-182378 | RC Item #1840859

# 791-182378
RC Item #1840859

We sell the real thing!

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$10.73

Asm oil plug

Troy-Bilt String Trimmer Screw

Genuine OEM Part # 791-182057 | RC Item #1840719

# 791-182057
RC Item #1840719

We sell the real thing!

Watch Video

$5.86

Screw 10-32 x .250 Tap

Troy-Bilt String Trimmer O-Ring

Genuine OEM Part # 791-181751 | RC Item #1840571

# 791-181751
RC Item #1840571

We sell the real thing!

Watch Video

$4.97

O-ring

Troy-Bilt String Trimmer Clutch

Genuine OEM Part # 753-1238 | RC Item #1832137

# 753-1238
RC Item #1832137

Skill Level (2)

We sell the real thing!

Watch Video

$47.99

Clutch assembly

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Troy-Bilt TB490BC 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 Troy-Bilt TB490BC problems ― and their solutions. Do any of these look familiar?

String trimmer won't start

9 possible causes and potential solutions

Video

String trimmer starts then stalls

5 possible causes and potential solutions

Video

String trimmer runs rough

6 possible causes and potential solutions

Video

VIEW ALL COMMON PROBLEMS Shop All Troy-Bilt String Trimmer Parts

Frequently Purchased Together For This Model

$11.32

$8.30

$12.35

$5.28

TB490BC Parts

Maintain and repair your Troy-Bilt TB490BC String Trimmer efficiently with genuine Troy-Bilt TB490BC replacement parts from Repair Clinic. Our extensive inventory includes parts for all common TB490BC 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 TB490BC. 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 TB490BC Parts?

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

Repair your Troy-Bilt TB490BC String Trimmer with reliable replacement parts and expert support from Repair Clinic. Order today and ensure your String Trimmer stays in top condition.

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