Transgo Pressure Regulator and Clutch Apply Boost Valve Kit for U140E, U140F, U240, U241 (1998 & Up)
This kit is ideal for high-mileage 1998+ Toyota and Lexus models with U140, U240, and U241 transmissions that commonly experience wear in the B1 switch boost valve, bushing, and main line pressure boost valve. These issues can lead to slow or lazy pressure response, flare shifts, and burnt clutches.
Features & Benefits:
- Drop-in, hardened steel boost valves and bushings for durable, direct replacements to soft OEM aluminum parts prone to wear
- Improves clamping force and shift quality under load, preventing slipping
Corrects/Prevents/Reduces:
- Insufficient line rise
- Soft, slipping, or flaring shifts
- Error codes: P0750, P0753, P0758, P0765, P0770, P1760
Includes:
- USA-made hardened steel main line boost valve and bushing
- Gold shim (for specific applications)
- USA-made hardened steel B1 switch boost valve and bushing
Tip: Pair with SK U140 to address common issues and achieve reliable, lasting repairs on high-mileage Toyota/Lexus 4-speed FWD transmissions.
Transmissions
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U241E (U241): 2000-UP
-
U240E (AW91-40LS, U240): 2000-UP
-
U140F: 1998-UP
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U140E (U140): 1998-UP
Vehicle
DAIHATSU
XENIA 2015-2016 4 SP RWD L4 1.3L
LEXUS
ES 2001-2002 4 SP FWD V6 2.5L
RX 2000-2003 4 SP F/4WD L4 2.4L
ES 1999-2002 4 SP FWD V6 3.0L
RX 1998-2003 4 SP F/4WD V6 3.0L
PERODUA
Bezza 2016-2018 4 SPD FWD
SCION
TC 2005-2010 4 SP FWD L4 2.4L
XB 2007-2015 4 SP FWD L4 2.4L
TOYOTA
AVALON, CELICA GTS 2000-2005 4 SP FWD V6 3.0L
CAMRY, VITZ 1999-2016 4 SP FWD L4 2.0L
HIGHLANDER 2001-2007 4 SP FWD L4 2.4L
MATRIX 2008-2014 4 SP F/4WD L4 2.4L
RAV4 2005-2016 4 SP F/4WD L4 2.0L 2.4L 2.5L
SOLARA 2002-2005 4 SP FWD L4 2.4L
QUEST, ETIOS, ETIOS LIVA 2014-2016 4 SP FWD L4 2.0L
ALPHARD 2002-2008 4 SP F/4WD L4 2.4L
AVANZA 2015-2016 4 SP RWD L4 1.3L 1.5L
BELTA 2006-2016 4 SP FWD L4 1.5L
CAMRY GRACIA, CORONA 2000-2001 4 SP FWD L4 1.8L
COROLLA 2006-2014 4 SP FWD L4 1.3L 1.5L
ESTIMA 2000-2006 4 SP F/4WD L4 2.4L
ETIOS VALCO 2013-2016 4 SP FWD L4 1.2L
GAIA 2000-2004 4 SP FWD L4 2.2L
HARRIER 2000-2012 4 SP F/4WD L4 2.2L 2.4L
IPSUM 2001-2006 4 SP FWD L4 2.0L 2.2L 2.4L
KLUGER V 2003-2007 4 SP F/4WD L4 2.4L
MATRIX 2003-2006 4 SP FWD L4 1.8L
PROBOX, SUCCEED 2002-2016 4 SP F/4WD L4 1.5L
SIENTA 2003-2015 4 SP 4WD L4 1.5L
VIOS 2003-2016 4 SP FWD L4 1.5L
VISTA, HARRIER, KLUGER V 2000-2003 4 SP F/4WD L4 1.6L 1.8L 2.0L
WINDOM 2001-2002 4 SP FWD V6 2.5L
RAV4 2000-2008 4 SP 4WD L4 2.0L 2.4L
CAMRY 2002-2003 4 SP FWD V6 3.0L
ESTIMA 2000-2006 4 SP F/4WD L4 2.0L V6 3.0L
HIGHLANDER 2001-2007 4 SP F/4WD L4 2.4L V6 3.0L
WINDOM 2000-2002 4 SP FWD V6 3.0L
Alternate Words: Automatic Transmission, Reprogramming, Improvement , Correction, Shift , Valve Body Rebuild Kit, U140BOOST