Lifespan guide

How long does a dishwasher last?

The average dishwasher lasts 10 years with proper maintenance. Below: common failures, expected repair costs, and tips to extend service life.

Expected lifespan
10 yrs
Avg repair cost
$160–$500
Avg replacement
$800
Repair success
84%

Common failures

  • ·Drain pump failure
  • ·Spray arm clog
  • ·Door latch issues
  • ·Heating element

Maintenance tips to extend lifespan

  • Clean filter monthly
  • Run vinegar cycle quarterly
  • Inspect spray arms

When to replace

If your dishwasher is over 7 years old and the quoted repair exceeds $320, replacement is typically the better long-term value. Use our repair vs replace calculator for a personalized recommendation.