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A/C Expansion Valve

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A/C Expansion Valve - Front Side - Denso 475-0508A/C Expansion Valve - Front Side - Denso 475-0508
DensoPart # 475-0508
A/C Expansion Valve - Front Side - Denso 475-0508
51 Reviews
$48.99
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3-year warranty
90 days free return
Fits 2002-2002 Lexus LX470, 2003-2006 Lexus LX470, 2004-2004 Lexus GX470, 2007-2007 Lexus LX470, 2001-2006 Mitsubishi Montero, 2000-2005 Toyota MR2 Spyder, 2002-2002 Toyota Land Cruiser, 2003-2007 Toyota Land Cruiser
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Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
475-0508, 88515-60120, 88515-47020, 38884, MR500662, 3411297
item #1002H5ER
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AC Expansion Valve for Acura Legend 1991-1992 Mitsubishi Galant 1994-1998
A-Premium®Part # APAEV120
AC Expansion Valve for Acura Legend 1991-1992 Mitsubishi Galant 1994-1998
4.85 Reviews
$24.99
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1-year warranty
90 days free return
Fits 1991 - 1992 Acura Legend, 1994 - 1998 Mitsubishi Galant
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Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
ColorGold
Part interchange
MR240612, MR147014, 80220SP0013, EX10040C
item #10028904
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A/C Expansion Valve - Denso 475-2002
DensoPart # 475-2002
A/C Expansion Valve - Denso 475-2002
51 Reviews
$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1992-1993 Lexus ES300, 1993-1993 Mazda RX-7, 1992-1993 Mitsubishi Montero, 1989-1989 Toyota 4Runner, 1989-1992 Toyota Supra, 1990-1993 Toyota 4Runner, 1990-1993 Toyota Celica, 1990-1993 Toyota Land Cruiser, 1991-1992 Toyota MR2, 1991-1993 Toyota Previa, 1991-1993 Toyota Tercel, 1992-1993 Toyota Camry, 1992-1993 Toyota Paseo, 1993-1993 Toyota Corolla, 1993-1993 Toyota Corolla, 1993-1994 Toyota MR2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Part interchange
475-2002, 88515-33010-83, 88515-14062, 88515-14061, 88515-14060, 88515-28040, 88515-33010, 88515-06030, 
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item #1002H247
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A/C Expansion Valve - Denso 475-2048
DensoPart # 475-2048
A/C Expansion Valve - Denso 475-2048
51 Reviews
$43.99
Only 1 item left in stock
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3-year warranty
90 days free return
Fits 2001-2003 Chrysler Sebring, 2001-2004 Chrysler Sebring, 2001-2004 Chrysler Sebring, 2001-2004 Chrysler Sebring, 2004-2005 Chrysler Sebring, 2004-2005 Chrysler Sebring, 2004-2005 Chrysler Sebring, 2001-2001 Dodge Stratus, 2001-2005 Dodge Stratus, 2002-2002 Dodge Stratus, 2002-2002 Dodge Stratus, 2003-2003 Dodge Stratus, 2003-2003 Dodge Stratus, 2003-2005 Dodge Stratus, 2004-2005 Dodge Stratus, 2000-2005 Mitsubishi Eclipse
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Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Part interchange
475-2048, MR500467, 39077, 3411346
item #1002H3LH
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Front AC Expansion Valve for Mitsubishi Montero 2003-2006
A-Premium®Part # APAEV399
Front AC Expansion Valve for Mitsubishi Montero 2003-2006
4.85 Reviews
$20.99
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1-year warranty
90 days free return
Fits 2003 - 2006 Mitsubishi Montero
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Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Installation PositionFront Side
MaterialAluminum
Part interchange
39066, 19189908, MR500662
item #10028EGV
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AC Expansion Valve for Mitsubishi Lancer 2002-2007 Outlander 2003 2004-2006
A-Premium®Part # APAEV134
AC Expansion Valve for Mitsubishi Lancer 2002-2007 Outlander 2003 2004-2006
4.85 Reviews
$26.99
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1-year warranty
90 days free return
Fits 2002 - 2007 Mitsubishi Lancer, 2003 - 2006 Mitsubishi Outlander
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Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialAluminum
ColorSilver
Part interchange
MR568829, EX10097C, 39063
item #10029EEX
Note
The Adapter is required to work with the the A/C expansion valve
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AC Expansion Valve for Mazda MPV Mitsubishi Eclipse Suzuki Samurai Sidekick
A-Premium®Part # APAEV565
AC Expansion Valve for Mazda MPV Mitsubishi Eclipse Suzuki Samurai Sidekick
4.85 Reviews
$27.99
Edit ZIP code
1-year warranty
90 days free return
Fits 1996 - 1998 Mazda MPV, 1990 - 1994 Mitsubishi Eclipse, 1995 - 1995 Suzuki Samurai, 1994 - 1996 Suzuki Sidekick, 1997 - 1997 Suzuki Sidekick, 1997 - 1997 Suzuki Sidekick, 1998 - 1998 Suzuki Sidekick, 1996 - 1998 Suzuki X-90
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Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Part interchange
EX10039C, 3411338, MR201293
item #100280VK
Note
A/C Expansion Valve -- Thermal Expansion Valve.
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A/C Expansion Valve - Denso 475-2101
DensoPart # 475-2101
A/C Expansion Valve - Denso 475-2101
51 Reviews
$35.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2004 Mitsubishi Galant, 2004-2004 Mitsubishi Galant, 2004-2004 Mitsubishi Galant, 2004-2008 Mitsubishi Endeavor, 2005-2011 Mitsubishi Galant, 2006-2011 Mitsubishi Eclipse, 2010-2011 Mitsubishi Endeavor
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Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Part interchange
475-2101, 39332, 7801A195, MR958194, 7801A030, 3411388
item #1002H42C
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A/C Expansion Valve - Denso 475-2011
DensoPart # 475-2011
A/C Expansion Valve - Denso 475-2011
51 Reviews
$33.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits 1992-1993 Honda Accord, 1994-1994 Mitsubishi Mighty Max, 1995-1996 Mitsubishi Mighty Max, 1997-1997 Mitsubishi Mirage, 1985-1986 Toyota Celica
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Part interchange
475-2011, 4656, 88515-14080, 88515-14050, 80220-SM1-A13, 80220-SM1-Z01, 38631, 400027, 
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item #1002H3DK
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Rear AC Expansion Valve for Mitsubishi Montero Montero Sport With Solenoid
A-Premium®Part # APAEV228
Rear AC Expansion Valve for Mitsubishi Montero Montero Sport With Solenoid
4.85 Reviews
$56.99
Edit ZIP code
1-year warranty
90 days free return
Fits 2003 - 2006 Mitsubishi Montero, 2004 - 2004 Mitsubishi Montero Sport
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Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialAluminum
ColorSilver
Part interchange
7840A006, 39070, MR500666
item #10029HLC
Note
The A/C expansion valve comes with the solenoid.
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AC Expansion Valve for Lexus ES300 1992-1993 Toyota 4Runner 1989-1993 Celica
A-Premium®Part # APAEV266
AC Expansion Valve for Lexus ES300 1992-1993 Toyota 4Runner 1989-1993 Celica
4.85 Reviews
$20.99
Edit ZIP code
1-year warranty
90 days free return
Fits 1992 - 1993 Lexus ES300, 1993 - 1993 Mazda RX-7, 1992 - 1993 Mitsubishi Montero, 1990 - 1993 Toyota 4Runner, 1989 - 1993 Toyota 4Runner, 1992 - 1993 Toyota Camry, 1992 - 1993 Toyota Camry, 1990 - 1993 Toyota Celica, 1993 - 1993 Toyota Corolla, 1993 - 1993 Toyota Corolla, 1990 - 1992 Toyota Land Cruiser, 1993 - 1993 Toyota Land Cruiser, 1991 - 1994 Toyota MR2, 1992 - 1993 Toyota Paseo, 1991 - 1993 Toyota Previa, 1989 - 1992 Toyota Supra, 1991 - 1993 Toyota Tercel
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialAluminum
ColorSilver
Part interchange
8851533010, 8851506030, 8851506040, 4752002, 38883
item #10029AQP
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AC Expansion Valve for Honda Civic Accord Dodge 330 440 880 Acura Integra Audi
A-Premium®Part # APAEV316
AC Expansion Valve for Honda Civic Accord Dodge 330 440 880 Acura Integra Audi
4.85 Reviews
$28.99
Quantity Less than 2
Edit ZIP code
1-year warranty
90 days free return
Fits 1990 - 1993 Acura Integra, 1979 - 1983 Audi 5000, 1978 - 1981 Audi 5000, 1983 - 1983 Audi 5000, 1963 - 1964 Dodge 330, 1963 - 1964 Dodge 330, 1964 - 1964 Dodge 330, 1964 - 1964 Dodge 330, 1963 - 1964 Dodge 440, 1963 - 1964 Dodge 440, 1964 - 1964 Dodge 440, 1963 - 1963 Dodge 880, 1963 - 1964 Dodge 880, 1963 - 1964 Dodge 880, 1962 - 1964 Dodge Polara, 1973 - 1977 International Harvester Scout II, 1992 - 1995 Hyundai Elantra, 1993 - 1995 Hyundai Elantra, 1986 - 1989 Honda Accord, 1988 - 1991 Honda Civic, 1989 - 1991 Honda Civic, 1988 - 1991 Honda CRX, 1988 - 1991 Honda CRX, 1988 - 1989 Honda Prelude, 1990 - 1991 Honda Prelude, 1990 - 1991 Honda Prelude, 1990 - 1990 Jeep Wrangler, 1990 - 1990 Jeep Wrangler, 1993 - 1995 Jeep Wrangler, 1994 - 1995 Jeep Wrangler, 1973 - 1979 Jaguar XJ12, 1981 - 1984 Jaguar XJ12, 1986 - 1987 Jaguar XJ12, 1972 - 1986 Jaguar XJ6, 1976 - 1992 Jaguar XJS, 1986 - 1989 Mazda 323, 1990 - 1990 Mazda 323, 1982 - 1985 Mazda 626, 1987 - 1987 Mazda 626, 1986 - 1986 Mazda B2000, 1983 - 1984 Mazda B2200, 1987 - 1993 Mazda B2200, 1987 - 1992 Mazda B2600, 1974 - 1974 Mercury Capri, 1976 - 1977 Mercury Capri, 1993 - 1994 Mitsubishi Mirage, 1993 - 1994 Mitsubishi Mirage, 1978 - 1978 Oldsmobile Toronado, 1978 - 1983 Porsche 911, 1984 - 1989 Porsche 911, 1984 - 1989 Porsche 911, 1989 - 1992 Porsche 911, 1991 - 1992 Porsche 911, 1977 - 1982 Porsche 924, 1964 - 1964 Plymouth Belvedere, 1962 - 1964 Plymouth Fury, 1985 - 1993 Saab 900, 1991 - 1993 Saab 900, 1986 - 1990 Saab 9000, 1991 - 1992 Saab 9000, 1986 - 1987 Subaru Brat, 1985 - 1989 Subaru DL, 1985 - 1990 Volkswagen Cabriolet, 1992 - 1993 Volkswagen Cabriolet, 1984 - 1984 Volkswagen Scirocco, 1987 - 1988 Volkswagen Scirocco, 1990 - 1990 Volvo 240, 1975 - 1997 Volvo 242, 1975 - 1977 Volvo 244, 1978 - 1981 Volvo 244, 1981 - 1981 Volvo 244, 1982 - 1984 Volvo 244, 1982 - 1989 Volvo 244, 1975 - 1977 Volvo 245, 1978 - 1981 Volvo 245, 1981 - 1981 Volvo 245, 1982 - 1984 Volvo 245, 1982 - 1989 Volvo 245, 1976 - 1976 Volvo 262, 1976 - 1977 Volvo 264, 1976 - 1977 Volvo 265
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialBrass
Part interchange
38877, 19189827, 70267, AH140818, AL37525, AR58482, AT62543, RE13886, 
...View more
item #100289P9
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AC Expansion Valve for Chrysler Sebring 2001-2005 Mitsubishi Eclipse 2000-2005
A-Premium®Part # APAEV127
AC Expansion Valve for Chrysler Sebring 2001-2005 Mitsubishi Eclipse 2000-2005
4.85 Reviews
$21.99
Edit ZIP code
1-year warranty
90 days free return
Fits 2001 - 2003 Chrysler Sebring, 2004 - 2004 Chrysler Sebring, 2005 - 2005 Chrysler Sebring, 2001 - 2001 Chrysler Sebring, 2002 - 2003 Chrysler Sebring, 2004 - 2004 Chrysler Sebring, 2005 - 2005 Chrysler Sebring, 2001 - 2001 Chrysler Sebring, 2002 - 2003 Chrysler Sebring, 2004 - 2004 Chrysler Sebring, 2001 - 2004 Dodge Stratus, 2005 - 2005 Dodge Stratus, 2001 - 2002 Dodge Stratus, 2003 - 2003 Dodge Stratus, 2004 - 2004 Dodge Stratus, 2005 - 2005 Dodge Stratus, 2001 - 2005 Dodge Stratus, 2000 - 2005 Mitsubishi Eclipse
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialAluminum
ColorSilver
Part interchange
39077, MR500467, EX10073C
item #1002924L
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A/C Expansion Valve - Denso 475-2005
DensoPart # 475-2005
A/C Expansion Valve - Denso 475-2005
51 Reviews
$42.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1994-2001 Lexus ES300, 1996-1997 Lexus LX450, 1994-2000 Mitsubishi Montero, 1995-2000 Suzuki Esteem, 2001-2001 Suzuki Esteem, 2002-2002 Suzuki Esteem, 1993-1994 Toyota MR2, 1993-1998 Toyota Supra, 1994-1995 Toyota Celica, 1994-1995 Toyota Celica, 1994-1997 Toyota Land Cruiser, 1994-1997 Toyota Previa, 1994-1998 Toyota Paseo, 1994-1998 Toyota Tercel, 1994-2001 Toyota Camry, 1994-2002 Toyota 4Runner, 1994-2002 Toyota Corolla, 1995-1995 Toyota Avalon, 1995-1995 Toyota MR2, 1995-2004 Toyota Tacoma, 1996-1996 Toyota Avalon, 1996-1997 Toyota RAV4, 1996-1999 Toyota Celica, 1997-1999 Toyota Avalon, 1998-2000 Toyota RAV4, 1998-2000 Toyota RAV4, 1999-2003 Toyota Solara, 2000-2002 Toyota Tundra, 2005-2005 Toyota Tacoma
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Part interchange
475-2005, 88515-20100, 88515-22240, 95431-71B10, 88515-04030, 88515-06020, 88515-28050, 88515-20120, 
...View more
item #1002H4TH
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AC Expansion Valve for Mitsubishi Eclipse Cross Outlander Outlander Sport
A-Premium®Part # APAEV564
AC Expansion Valve for Mitsubishi Eclipse Cross Outlander Outlander Sport
4.85 Reviews
$27.99
Edit ZIP code
1-year warranty
90 days free return
Fits 2018 - 2019 Mitsubishi Eclipse Cross, 2014 - 2020 Mitsubishi Outlander, 2018 - 2020 Mitsubishi Outlander PHEV, 2014 - 2020 Mitsubishi Outlander Sport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialAluminum
Part interchange
39668, 7810A185
item #100280VX
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AC Expansion Valve for Mitsubishi Outlander Sport Eclipse Cross Outlander RVR
A-Premium®Part # APAEV602
AC Expansion Valve for Mitsubishi Outlander Sport Eclipse Cross Outlander RVR
4.85 Reviews
$26.99
Edit ZIP code
1-year warranty
90 days free return
Fits 2017 - 2023 Mitsubishi Outlander Sport, 2018 - 2018 Mitsubishi Outlander, 2018 - 2018 Mitsubishi Outlander, 2018 - 2018 Mitsubishi Outlander, 2018 - 2018 Mitsubishi Outlander, 2018 - 2018 Mitsubishi Outlander, 2019 - 2019 Mitsubishi Outlander, 2020 - 2020 Mitsubishi Eclipse Cross, 2018 - 2022 Mitsubishi RVR
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialAluminum
Part interchange
EX10677C, 3412033, 7810A317
item #1002817S
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AC Expansion Valve for Mitsubishi Mirage 2014-2015 2017-2024 Mirage G4 2017-2023
A-Premium®Part # APAEV579
AC Expansion Valve for Mitsubishi Mirage 2014-2015 2017-2024 Mirage G4 2017-2023
4.85 Reviews
$28.99
Quantity Less than 4
Edit ZIP code
1-year warranty
90 days free return
Fits 2014 - 2015 Mitsubishi Mirage, 2017 - 2024 Mitsubishi Mirage, 2017 - 2023 Mitsubishi Mirage G4
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
Part interchange
EX10554C, 3411985, 7801A844, 7801B203
item #100281RP
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AC Expansion Valve for Honda Accord Toyota Celica Mitsubishi Mighty Max Mirage
A-Premium®Part # APAEV267
AC Expansion Valve for Honda Accord Toyota Celica Mitsubishi Mighty Max Mirage
4.85 Reviews
$26.99
Quantity Less than 4
Edit ZIP code
1-year warranty
90 days free return
Fits 1992 - 1992 Honda Accord, 1993 - 1993 Honda Accord, 1993 - 1993 Honda Accord, 1993 - 1993 Honda Accord, 1993 - 1993 Honda Accord, 1993 - 1993 Honda Accord, 1994 - 1996 Mitsubishi Mighty Max, 1997 - 1997 Mitsubishi Mirage, 1985 - 1986 Toyota Celica
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialAluminum
ColorGold
Part interchange
80220SM1A13, 4752011
item #100298AA
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AC Expansion Valve for Mitsubishi Eclipse 2006-2012 Galant 2004-2012 Endeavor
A-Premium®Part # APAEV151
AC Expansion Valve for Mitsubishi Eclipse 2006-2012 Galant 2004-2012 Endeavor
4.85 Reviews
$25.99
Edit ZIP code
1-year warranty
90 days free return
Fits 2006 - 2012 Mitsubishi Eclipse, 2004 - 2012 Mitsubishi Galant, 2004 - 2008 Mitsubishi Endeavor, 2010 - 2011 Mitsubishi Endeavor
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
MaterialAluminum
ColorSilver
Part interchange
7801A030, 7801A195, EX10166C
item #10029GK7
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AC Expansion Valve for Toyota Camry Land Cruiser 4Runner Chevrolet Geo Tracker
A-Premium®Part # APAEV030
AC Expansion Valve for Toyota Camry Land Cruiser 4Runner Chevrolet Geo Tracker
4.85 Reviews
$21.99
Quantity Less than 4
Edit ZIP code
1-year warranty
90 days free return
Fits 1986 - 1990 Acura Legend, 1996 - 1997 Acura SLX, 1985 - 1988 Chevrolet Nova, 1985 - 1988 Chevrolet Sprint, 1989 - 1991 Chevrolet Tracker, 1985 - 1990 Dodge Colt, 1985 - 1986 Dodge Conquest, 1987 - 1989 Dodge Raider, 1987 - 1987 Dodge Ram 50, 1989 - 1990 Eagle Summit, 1992 - 1993 Eagle Summit, 1990 - 1994 Eagle Talon, 1988 - 1993 Ford Festiva, 1989 - 1992 Geo Prizm, 1989 - 1993 Geo Tracker, 1989 - 1991 GMC Tracker, 1982 - 1985 Honda Accord, 1986 - 1989 Hyundai Excel, 1993 - 1995 Isuzu Pickup, 1990 - 1991 Lexus ES250, 1989 - 1995 Mazda MPV, 1982 - 1991 Mazda RX-7, 1981 - 1981 Mazda RX-7, 1987 - 1987 Mercury Tracer, 1988 - 1989 Mercury Tracer, 1991 - 1996 Mercury Tracer, 1983 - 1988 Mitsubishi Cordia, 1990 - 1994 Mitsubishi Eclipse, 1992 - 1993 Mitsubishi Expo, 1992 - 1993 Mitsubishi Expo LRV, 1985 - 1987 Mitsubishi Galant, 1983 - 1988 Mitsubishi Mighty Max, 1985 - 1988 Mitsubishi Mirage, 1983 - 1988 Mitsubishi Montero, 1987 - 1989 Mitsubishi Precis, 1990 - 1993 Mitsubishi Precis, 1983 - 1989 Mitsubishi Starion, 1983 - 1988 Mitsubishi Tredia, 1987 - 1990 Mitsubishi Van, 1985 - 1990 Plymouth Colt, 1991 - 1991 Plymouth Colt, 1993 - 1993 Plymouth Colt, 1993 - 1993 Plymouth Colt, 1985 - 1986 Plymouth Conquest, 1990 - 1994 Plymouth Laser, 1984 - 1989 Toyota 4Runner, 1983 - 1991 Toyota Camry, 1978 - 1978 Toyota Celica, 1979 - 1980 Toyota Celica, 1981 - 1985 Toyota Celica, 1983 - 1985 Toyota Celica, 1979 - 1980 Toyota Celica, 1982 - 1982 Toyota Celica, 1983 - 1984 Toyota Celica, 1986 - 1989 Toyota Celica, 1979 - 1991 Toyota Corolla, 1992 - 1992 Toyota Corolla, 1978 - 1982 Toyota Corona, 1981 - 1989 Toyota Land Cruiser, 1985 - 1989 Toyota MR2, 1979 - 1995 Toyota Pickup, 1981 - 1984 Toyota Starlet, 1986 - 1988 Toyota Supra, 1980 - 1990 Toyota Tercel, 1984 - 1989 Toyota Van, 1988 - 1988 Toyota Van Wagon
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi
Item LocatedUnited States
Quantity1
ColorGold
Part interchange
4752006, EX10003C, 80220SD4003, 80221STXA41, 38616
item #10029RXD
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Page 1 of 2

Car A/C expansion valve

The expansion valve is a crucial component that plays a key role in regulating the flow of refrigerant through the car’s AC system. It is positioned between the high-pressure and low-pressure sides of the AC system. The expansion valve acts as a valve or metering device that controls the flow of high-pressure, high-temperature liquid refrigerant from the condenser to the low-pressure side, where it can evaporate.

How does an A/C expansion valve work?

As the high-pressure liquid refrigerant passes through the Expansion Valve, it undergoes a rapid pressure reduction. This causes the refrigerant to expand and transform into a low-pressure, low-temperature gas. The expansion of the refrigerant leads to a significant drop in temperature. This cold refrigerant gas is then circulated through the evaporator coil in the car's AC system. The cold refrigerant gas absorbs heat from the surrounding air as it passes over the evaporator coil. This process cools down the air, which is then blown into the vehicle's interior by the AC blower fan.

Signs of a bad expansion valve

You should be aware of these common signs that may indicate a problem with the AC expansion valve:

  • Insufficient Cooling: Reduced cooling from the AC system.
  • Inconsistent Temperature: Difficulty maintaining a consistent interior temperature.
  • Warm Air at Idle: Warmer air from vents when the car is idle.
  • Excessive Cooling: Overly cold air and potential freezing of the evaporator coil.
  • AC Cycling Rapidly: Frequent on/off cycling of the AC compressor.
  • Hissing or Whistling Noises: Unusual noises from the AC system.
  • AC System Pressure Abnormalities: Irregular pressure readings in the AC system.
  • Frost on the Evaporator Coil: Ice buildup on the evaporator coil.

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