MTD Lawn Mower 21PM Parts

Shop replacement repair parts for MTD Lawn Mower model 21PM

Brand:MTD

Model:21PM

Product:Lawn Mower

Shop Parts Common Problems Diagrams & Manuals Related Videos

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5 results

MTD Lawn Mower Spark Plug

Genuine OEM Part # 796112S | RC Item #1568001

# 796112S
RC Item #1568001

Skill Level (1)

We sell the real thing!

Watch Video

$4.69

Briggs & Stratton Spark Plug (RJ19LM). If the engine does not start or runs poorly then the spark plug may be defective and will need replacement.

MTD Lawn Mower Muffler

Genuine OEM Part # 394569S | RC Item #1610710

# 394569S
RC Item #1610710

Skill Level (2)

We sell the real thing!

Watch Video

$12.35

Lo-Tone,3-4 HP Vertical (1/2" NPT)

MTD Lawn Mower Ignition Coil

Genuine OEM Part # 591420 | RC Item #2305966

# 591420
RC Item #2305966

Skill Level (2)

We sell the real thing!

Watch Video

$56.99

Ignition coil kit

MTD Lawn Mower Air Filter

Genuine OEM Part # 270579S | RC Item #1610653

# 270579S
RC Item #1610653

Skill Level (1)

We sell the real thing!

Watch Video

$7.04

Element-air cleaner

MTD Lawn Mower Breaker Points

Genuine OEM Part # 394970 | RC Item #1610714

# 394970
RC Item #1610714

Skill Level (2)

We sell the real thing!

Watch Video

N/A

Magnetron Kit, Used to Retrofit Most 2-Legged Ignition Armatures w/Breaker Points

No Longer Available

MTD 21PM 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 21PM problems ― and their solutions. Do any of these look familiar?

Lawn mower won't start

3 possible causes and potential solutions

Video

Lawn mower starts then stalls

2 possible causes and potential solutions

Video

Lawn mower is hard to start

3 possible causes and potential solutions

Video

VIEW ALL COMMON PROBLEMS Shop All MTD Lawn Mower Parts

Frequently Purchased Together For This Model

$4.69

$12.35

$56.99

$7.04

21PM Parts

Maintain and repair your MTD 21PM Lawn Mower efficiently with genuine MTD 21PM replacement parts from Repair Clinic. Our extensive inventory includes parts for all common 21PM 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 21PM. 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 21PM Parts?

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

Repair your MTD 21PM Lawn Mower with reliable replacement parts and expert support from Repair Clinic. Order today and ensure your Lawn Mower stays in top condition.

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