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USD 54.14
Part #: TGA1-LU-BST

TransGo A1-LU-BST Lock-up Boost Valve

2001-2003 GM 2500HD/3500HD With Allison 5-Speed Transmission
Part #: TGA1-LU-BST
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The TransGo A1-LU-BST Lock-up Boost Valve is engineered for your high horsepower 2001-2003 GM 2500HD/3500HD With Allison 5-Speed Transmission. This boost valve is designed to prevent torque converter slippage under heavy duty/race conditions by significantly increasing lock-up oil pressure. This increase in pressure also prevents the PCM from throwing the P0741 code and throwing your transmission in limp mode.

  • For High HP/Race Applications
  • Reduces Torque Converter Slip
  • Significantly Increases Lock-up Oil Pressure

Note: Recommended for high horsepower and race applications only.

Vehicle Applications

2001 Chevy 6.6L LB7 Duramax
2002 Chevy 6.6L LB7 Duramax
2003 Chevy 6.6L LB7 Duramax
2001 Chevy Gas
2002 Chevy Gas
2003 Chevy Gas
2001 GMC 6.6L LB7 Duramax
2002 GMC 6.6L LB7 Duramax
2003 GMC 6.6L LB7 Duramax
2001 GMC Gas
2002 GMC Gas
2003 GMC Gas


  • MFG. Number A1-LU-BST
  • Manufacturer Name TransGo
  • Shipping Weight 0.30 lb.
  • Shipping Length 1.06 in.
  • Shipping Width 5.63 in.
  • Shipping Height 3.75 in.
  • Fuel Type Diesel / Gas
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L3.00R0.00


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