B&M 21041 Master Overhaul Kit

For TH400 Automatic Transmission

PART# 21041

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$324.00   Suggested Retail
$290.95   Your Price
Estimated shipping date: 10/29/2021
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These kits include all of the necessary components to rebuild your automatic transmission. OEM style gaskets included. Kits do not include overhaul instructions - please refer to factory shop manual for proper assembly procedures.


  • Great for rebuilding
  • Instructions Not Included
  • Includes Only OEM Valvebody Gaskets
  • Complete High Performance or Racing Transmission Overhaul

Product Attributes

Brand B&M
Emission Code5
Manufacturer Part Number21041
Product TypeAutomatic Transmission Rebuild Kits
California Proposition 65 Chemical NameCadmium and cadmium compounds
California Proposition 65 RequiredYes
Part Number21041



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


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    Some parts are not legal for use in California or other states with similar regulations.