Instant Rebates
800.345.4545
Call Our Support Line
24 Hours / 7 Days a Week!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

ACDelco 12T55E

THERMOSTAT ASM ENG COOL

ACDelco 12T55E

065-12T55E

jegs shipping
Estimated ship date 10/02/17 if Ordered Today
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
ACDelco 12T55E THERMOSTAT ASM ENG COOL $7.99
  • Engine Coolant Thermostat

  • Specifications:

    Gaskets Included
    Yes
    Jiggle Pin Weep Hole
    No
    Seal Type
    Gasket
    Start to Open Temperature
    90.5
    Start to Open Temperature
    195
    Sealing Flange Outside Diameter (in.)
    1.811
    Sealing Flange Outside Diameter (mm)
    46.00
    Overall Height (mm)
    53.50
    Overall Height (in.)
    2
    Start to Open Temperature (C)
    90.5
    Start to Open Temperature (F)
    195
    Temperature (F)
    195 Degrees
    Manufacturer's Part Number:
    12T55E

    Does ACDelco 12T55E fit your vehicle?

    Narrow Results
    Filter By
    Year
    Filter By
    Make
    Filter By
    Model
    Filter By
    SubModel
    Filter By
    EngineType
    Filter By
    CC
    Filter By
    Liter
    Filter By
    Aspiration

    1987-1988 OLDSMOBILE CUTLASS CIERA

    • Liter: 2.8
    • SubModel: LS
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1999 CHEVROLET MONTE CARLO

    • Liter: 3.1
    • SubModel: LS
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2000-2003 PONTIAC GRAND AM

    • Liter: 3.4
    • SubModel: SE1
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1991-1993 CHEVROLET BERETTA

    • Liter: 3.1
    • SubModel: GTZ
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2000-2005 CHEVROLET IMPALA

    • Liter: 3.4
    • SubModel: BASE
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1987-1988 CHEVROLET BERETTA

    • Liter: 2.8
    • SubModel: GT
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1996 OLDSMOBILE CUTLASS SUPREME

    • Liter: 3.1
    • SubModel: SL
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1988-1989 OLDSMOBILE CUTLASS CIERA

    • Liter: 2.8
    • SubModel: BASE
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1996 OLDSMOBILE CUTLASS SUPREME

    • Liter: 3.1
    • SubModel: BASE
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2007 CHEVROLET SILVERADO 3500 CLASSIC

    • Liter: 8.1
    • SubModel: CLASSIC WT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1987-1988 PONTIAC 6000

    • Liter: 2.8
    • SubModel: BASE
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1990 PONTIAC GRAND PRIX

    • EngineType: ALL
    • SubModel: SE

    1993-1995 CHEVROLET LUMINA APV

    • Liter: 3.1
    • SubModel: LS
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1988 OLDSMOBILE CUTLASS SUPREME

    • EngineType: ALL
    • SubModel: BASE

    1996-1999 CHEVROLET P30 VAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1991-1994 CHEVROLET CAVALIER

    • EngineType: ALL
    • SubModel: BASE

    2001-2005 CHEVROLET SILVERADO 2500 HD

    • Liter: 8.1
    • SubModel: LS
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1998-2004 OLDSMOBILE SILHOUETTE

    • EngineType: ALL
    • SubModel: GLS

    2001-2005 CHEVROLET SILVERADO 3500

    • Liter: 8.1
    • SubModel: LT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2002 CHEVROLET VENTURE

    • EngineType: ALL
    • SubModel: ALL

    2006 BUICK RENDEZVOUS

    • Liter: 3.5
    • SubModel: CX
    • CUI: 213
    • EngineType: V6 ( 3.5 L / 213 )

    1990-1993 CHEVROLET CORSICA

    • Liter: 3.1
    • SubModel: LT
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2007 CHEVROLET SILVERADO 2500 HD CLASSIC

    • Liter: 8.1
    • SubModel: CLASSIC WT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1990-1991 PONTIAC GRAND PRIX

    • EngineType: ALL
    • SubModel: STE

    1999-2000 CHEVROLET K2500 PICKUP

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1990-1993 CHEVROLET LUMINA

    • EngineType: ALL
    • SubModel: EURO

    1999 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: GLS

    1990 CHEVROLET CELEBRITY

    • Liter: 3.1
    • SubModel: EUROSPORT
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1987-1988 CADILLAC CIMARRON

    • EngineType: ALL
    • SubModel: ALL

    2001-2004 GMC YUKON XL 2500

    • Liter: 8.1
    • SubModel: SLE
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2004 OLDSMOBILE ALERO

    • EngineType: ALL
    • SubModel: GLS

    2007 GMC SIERRA 2500 HD CLASSIC

    • Liter: 8.1
    • SubModel: CLASSIC SLE
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1995-1996 CHEVROLET BERETTA

    • Liter: 3.1
    • SubModel: BASE
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1991 OLDSMOBILE CUTLASS SUPREME

    • Liter: 3.4
    • SubModel: BASE
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    2007 GMC SIERRA 3500 CLASSIC

    • Liter: 8.1
    • SubModel: CLASSIC SL
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2005 BUICK RENDEZVOUS

    • EngineType: ALL
    • SubModel: CX PLUS

    2001 CHEVROLET SILVERADO 3500

    • Liter: 8.1
    • SubModel: BASE
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1989-1991 CHEVROLET BERETTA

    • EngineType: ALL
    • SubModel: GT

    2004-2005 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: LS

    1989 CHEVROLET CAVALIER

    • Liter: 2.8
    • SubModel: VL
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1987-1988 OLDSMOBILE CUTLASS CRUISER

    • Liter: 2.8
    • SubModel: LS
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1990-1991 PONTIAC TRANS SPORT

    • EngineType: ALL
    • SubModel: ALL

    2006 SATURN RELAY

    • CC: 3475
    • Liter: 3.5
    • SubModel: 3
    • CUI: 213
    • EngineType: V6 ( 3.5 L / 213 )

    1987-1990 CHEVROLET CAVALIER

    • Liter: 2.8
    • SubModel: BASE
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1987 OLDSMOBILE CUTLASS CIERA

    • Liter: 2.8
    • SubModel: GT
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1988 OLDSMOBILE CUTLASS SUPREME

    • EngineType: ALL
    • SubModel: INTERNATIONAL

    1990 CHEVROLET CAVALIER

    • Liter: 3.1
    • SubModel: BASE
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2007 GMC SIERRA 3500 CLASSIC

    • Liter: 8.1
    • SubModel: CLASSIC WT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1987-1989 PONTIAC 6000

    • Liter: 2.8
    • SubModel: LE
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    2001 CHEVROLET SUBURBAN 2500

    • Liter: 8.1
    • SubModel: BASE
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2000 GMC C3500HD

    • CC: 7
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2001-2005 GMC SIERRA 2500 HD

    • Liter: 8.1
    • SubModel: SLT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1996-1998 CHEVROLET K3500 PICKUP

    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2008 PONTIAC TORRENT

    • EngineType: ALL
    • SubModel: GT

    1989 PONTIAC 6000

    • EngineType: ALL
    • SubModel: TOURING

    1991 PONTIAC GRAND PRIX

    • Liter: 3.4
    • SubModel: SE
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1998-1999 CHEVROLET LUMINA

    • Liter: 3.1
    • SubModel: LS
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1994 OLDSMOBILE CUTLASS CIERA

    • Liter: 3.1
    • SubModel: S
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1987-1989 CHEVROLET CELEBRITY

    • CC: 2835
    • Liter: 2.8
    • SubModel: BASE
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1999 CHEVROLET MALIBU

    • CC: 3136
    • Liter: 3.1
    • SubModel: BASE
    • CUI: 191
    • EngineType: V6 ( 3.1 L / 191 )

    1987-1989 OLDSMOBILE CUTLASS CIERA

    • Liter: 2.8
    • SubModel: SL
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    2003-2005 GMC SIERRA 2500 HD

    • Liter: 8.1
    • SubModel: WT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1999 GMC C3500HD

    • CC: 6
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2006 PONTIAC G6

    • EngineType: ALL
    • SubModel: GT

    1996 GMC C2500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA XC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2007 CHEVROLET SILVERADO 3500 CLASSIC

    • Liter: 8.1
    • SubModel: CLASSIC LS
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2006 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: LTZ

    1990 CHEVROLET CELEBRITY

    • Liter: 3.1
    • SubModel: BASE
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2004 PONTIAC GRAND AM

    • EngineType: ALL
    • SubModel: SE2

    2004 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: MAXX

    1989 CHEVROLET CELEBRITY

    • Liter: 2.8
    • SubModel: CL
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1995 PONTIAC GRAND PRIX

    • Liter: 3.1
    • SubModel: SE
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1994-1995 CHEVROLET LUMINA

    • EngineType: ALL
    • SubModel: ALL

    1991-1994 PONTIAC SUNBIRD

    • EngineType: ALL
    • SubModel: GT

    1995 PONTIAC GRAND PRIX

    • Liter: 3.4
    • SubModel: GT
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1996-1999 GMC K2500 SUBURBAN

    • Liter: 7.4
    • SubModel: SLT
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1994-1996 BUICK CENTURY

    • Liter: 3.1
    • SubModel: SPECIAL
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2004 PONTIAC GRAND AM

    • CC: 3350
    • Liter: 3.4
    • SubModel: SE
    • CUI: 204
    • EngineType: V6 ( 3.4 L / 204 )

    2000 PONTIAC GRAND AM

    • Liter: 3.4
    • SubModel: SE2
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1996-2000 GMC K3500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA SL
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2000-2001 CHEVROLET LUMINA

    • EngineType: ALL
    • SubModel: ALL

    1999-2003 PONTIAC GRAND AM

    • Liter: 3.4
    • SubModel: GT
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1996-2000 GMC C3500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA SL
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2007 GMC SIERRA 2500 HD CLASSIC

    • Liter: 8.1
    • SubModel: CLASSIC SL
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1994 BUICK CENTURY

    • Liter: 3.1
    • SubModel: CUSTOM
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1994 OLDSMOBILE ACHIEVA

    • Liter: 3.1
    • SubModel: SC
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2001-2005 GMC SIERRA 3500

    • Liter: 8.1
    • SubModel: SLT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1996-1999 CHEVROLET K2500 SUBURBAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2001-2002 GMC SIERRA 2500 HD

    • Liter: 8.1
    • SubModel: SL
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1994-1998 PONTIAC GRAND AM

    • Liter: 3.1
    • SubModel: GT
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2001-2005 CHEVROLET SILVERADO 3500

    • Liter: 8.1
    • SubModel: LS
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1987-1988 CHEVROLET CORSICA

    • Liter: 2.8
    • SubModel: LT
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1990-1991 OLDSMOBILE CUTLASS SUPREME

    • Liter: 3.1
    • SubModel: BASE
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1994 OLDSMOBILE CUTLASS CRUISER

    • EngineType: ALL
    • SubModel: ALL

    2004 PONTIAC GRAND AM

    • EngineType: ALL
    • SubModel: SE1

    1997-1999 CHEVROLET MALIBU

    • Liter: 3.1
    • SubModel: BASE
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2001 CHEVROLET VENTURE

    • CC: 3350
    • Liter: 3.4
    • SubModel: BASE
    • CUI: 204
    • EngineType: V6 ( 3.4 L / 204 )

    1998-1999 OLDSMOBILE SILHOUETTE

    • EngineType: ALL
    • SubModel: GS

    1987-1988 BUICK CENTURY

    • EngineType: ALL
    • SubModel: BASE

    2006 PONTIAC G6

    • Liter: 3.5
    • SubModel: BASE
    • CUI: 214
    • EngineType: V6 ( 3.5 L / 214 )

    Before you leave us... Receive a free catalog or join our email list

    Sign up to receive our catalog or subscribe to our email list now to see our exclusive email only specials, new products, and offers!

    Request CatalogJoin Email List