4L80E Rebuild Cost: DIY vs Shop 2026

A 4L80E rebuild costs $1,200-$5,000 depending on parts, labor, and how much HD work you want. Here's the breakdown.

Quick cost summary

  • DIY standard rebuild: $1,200-$2,000
  • DIY with HD upgrades: $1,800-$2,800
  • Shop standard rebuild: $2,500-$3,800
  • Shop HD rebuild: $3,500-$5,500
  • Reman (drop-in): $2,000-$3,500

Read our best 4L80E rebuild kit

DIY parts breakdown

Master rebuild kit:

Torque converter:

Filter and pan gasket:

  • $30-$60

Fluid (~12 quarts):

HD upgrades:

Tools you'll need

Time investment

  • Removal: 4-6 hours
  • Disassembly + clean: 4-6 hours
  • Assembly: 8-12 hours
  • Install: 4-6 hours
  • Total: 20-30 hours typical

Read our DIY transmission install

Shop labor

  • Standard rebuild labor: $1,000-$1,800
  • HD rebuild labor: $1,500-$2,500
  • Shop markup on parts: 30-50%

Reman option

When DIY makes sense

  • Have experience and tools
  • Time available
  • Want HD upgrades
  • Cost-conscious

When shop makes sense

  • No experience
  • No time
  • Want warranty
  • Trust quality builder

Need 4L80E rebuild parts? Shop our 4L80E catalog. Master kits, Sonnax HD, complete solutions. Free shipping over $70.

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