You need a 6L80 rebuild and you're trying to budget it. Here's the real cost breakdown for 2026.
DIY rebuild costs
Stock daily driver:
- Master rebuild kit: $400-600
- Sonnax billet wave plate: $80 (mandatory)
- Sonnax TCC apply piston: $70 (mandatory)
- Sonnax accumulator pistons: $60
- Filter and pan gasket: $30-50
- Stock-replacement HD torque converter: $500-800
- Fresh fluid (Dexron VI, 6 quarts): $50-80
- Total: $1,200-1,700
Tow rig:
- Master kit (Power Pack frictions): $450-650
- All Sonnax HD parts: $200-400
- Performance HD torque converter: $700-1,200
- Performance valve body work: $200-400
- Cooler upgrade: $150-300
- Total: $1,700-2,950
Performance/built:
- Raybestos Stage-1 master kit: $550-750
- Full Sonnax HD package: $400-700
- Performance valve body: $400-800
- Race-spec torque converter: $1,200-2,000
- Custom TCM tune: $200-500
- HD components: $300-600
- Total: $3,050-5,350
Shop rebuild costs
Stock daily driver:
- Parts: $1,400-2,000
- Labor: $1,500-2,500
- Total: $2,900-4,500
Tow rig:
- Parts: $2,000-3,500
- Labor: $1,800-3,000
- Total: $3,800-6,500
Performance build:
- Parts: $3,500-6,000
- Labor: $2,500-4,000
- Total: $6,000-10,000
Reman swap
Quality reman 6L80:
- $3,500-4,500 installed
- 12-month warranty typical
- Faster than rebuild
Built reman:
- $4,500-6,500 installed
- Better warranty
- Performance-spec
TCC-only fix (if just shudder)
If your only issue is the famous 6L80 shudder:
- Torque converter only replacement: $1,500-2,500
- Read our 6L80/8L90 shudder fix guide
Sometimes saves the cost of a full rebuild.
Where to save money
Save on:
- Filter brand (any quality filter)
- Pan gasket (OEM-equivalent fine)
- Modulator (if applicable to year)
- Where you can do DIY labor
Don't save on:
- Wave plate (factory distorts under heat)
- TCC apply piston (factory cracks)
- Torque converter (factory has the famous shudder issue)
- Frictions (cheap = early failure)
Read our best 6L80 rebuild kit guide for parts recommendations.
How long does a 6L80 rebuild last?
Stock-quality rebuild:
- 100,000-150,000 miles typical
Quality HD rebuild:
- 150,000-200,000+ miles typical
Cheap/bad rebuild:
- 30,000-60,000 miles (back in the trans)
Hidden costs
Often overlooked:
- New flexplate ($80-200 if questionable)
- Cooler upgrade ($150-300 for tow rigs)
- Driveshaft U-joints ($30-80 per joint)
- TCM update (free at dealer, $100-200 elsewhere)
When to swap to newer trans
6L80 to 10L80 swap:
- Possible but complex
- Requires modern engine + TCM control
- Cost: $5,000-9,000 typical
- Usually not done — just rebuild what you have
Need 6L80 rebuild parts? Shop our 6L80 catalog. Master kits, Sonnax wave plates, OEM solenoid packs, HD torque converters. Free shipping over $70.
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