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  2. Auto Parts
  3. Belts and Cooling
  4. Thermostat and Housing
  5. Engine Coolant Thermostat
  6. ACDelco 12T50D

ACDelco 12T50D Engine Coolant Thermostat

ACDelco 12T50D Engine Coolant Thermostat

ACDelco
Brand:ACDelco
Part Number: 12T50D
UPC: 00707773060551
Weight: 0.14 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

THERMOSTAE (B)

ACDelco Professional Engine Coolant Thermostats control the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature, and are a high quality replacement for many vehicles on the road today. These engine coolant thermostats are manufactured to meet your expectations for fit, form, and function. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
  • Manufactured to meet expectations for fit, form, and function
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco

Specifications:

Jiggle Pin Weep Hole:
No
Seal Type:
O Ring
Sealing Flange Outside Diameter:
1.716 in.
Sealing Flange Outside Diameter:
43.6 mm
Start to Open Temperature:
180 Degrees Fahrenheit
Start to Open Temperature:
82 Degrees Celsius, Centigrade

Features and Benefits:

  • – Have cooling system inspected immediately if instrument panel-mounted temperature gauge indicates engine overheating

Specifications:

Country of Origin:
IL

Select a vehicle to narrow ACDelco 12T50D Engine Coolant Thermostat fitment info!

Last Updated: 05/20/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

1988

 

1988

 
Buick Skyhawk

2.0L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: K
 

Buick Skyhawk



2.0L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: K

1 Per Vehicle

1987

 

1987

 
Buick Skyhawk

2.0L L4 Gas SOHC Turbo
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: M
 

Buick Skyhawk



2.0L L4 Gas SOHC Turbo Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: M

1 Per Vehicle

1986

 

1985

 

1984

 

1986

 

1985

 

1984

 
Buick Skyhawk

1.8L L4 Gas SOHC Turbo
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Buick Skyhawk



1.8L L4 Gas SOHC Turbo Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Buick Skyhawk

1.8L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Buick Skyhawk



1.8L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1982

 

1982

 
Buick Skyhawk

1.8L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: 0
 

Buick Skyhawk



1.8L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: 0

1 Per Vehicle

1988

 

1987

 

1986

 

1988

 

1987

 

1986

 
Buick Skylark

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Buick Skylark



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1985

 

1985

 
Buick Skylark

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: R
 

Buick Skylark



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: R

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Buick Skylark

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Buick Skylark



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1987

 

1986

 

1987

 

1986

 
Buick Somerset

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Buick Somerset



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1985

 

1985

 
Buick Somerset Regal

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Buick Somerset Regal



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1983

 

1982

 

1983

 

1982

 
Chevrolet Citation

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Chevrolet Citation



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1985

 

1985

 
Chevrolet Citation II

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: R
 

Chevrolet Citation II



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: R

1 Per Vehicle

1984

 

1984

 
Chevrolet Citation II

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Chevrolet Citation II



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1992

 

1991

 

1990

 

1992

 

1991

 

1990

 
Chevrolet Lumina

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Chevrolet Lumina



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1987

 

1986

 

1985

 

1987

 

1986

 

1985

 
Oldsmobile Calais

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Oldsmobile Calais



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1988

 

1988

 
Oldsmobile Cutlass Calais

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Oldsmobile Cutlass Calais



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Oldsmobile Firenza

2.0L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: K
 

Oldsmobile Firenza



2.0L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: K

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Oldsmobile Firenza

1.8L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Oldsmobile Firenza



1.8L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1982

 

1982

 
Oldsmobile Firenza

1.8L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: 0
 

Oldsmobile Firenza



1.8L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: 0

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Oldsmobile Omega

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Oldsmobile Omega



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1988

 

1987

 

1986

 

1985

 

1988

 

1987

 

1986

 

1985

 
Pontiac Fiero

2.8L V6 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac Fiero



2.8L V6 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1988

 

1987

 

1986

 

1985

 

1984

 

1988

 

1987

 

1986

 

1985

 

1984

 
Pontiac Fiero

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac Fiero



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1989

 

1988

 

1987

 

1989

 

1988

 

1987

 
Pontiac Grand Am

2.0L L4 Gas SOHC Turbo
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac Grand Am



2.0L L4 Gas SOHC Turbo Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1988

 

1987

 

1986

 

1985

 

1988

 

1987

 

1986

 

1985

 
Pontiac Grand Am

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac Grand Am



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1983

 

1983

 
Pontiac J2000

1.8L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac J2000



1.8L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1982

 

1982

 
Pontiac J2000

1.8L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: 0
 

Pontiac J2000



1.8L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
8th VIN Digit: 0

1 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Pontiac J2000 Sunbird

1.8L L4 Gas SOHC,
1.8L L4 Gas SOHC Turbo
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac J2000 Sunbird



1.8L L4 Gas SOHC,
1.8L L4 Gas SOHC Turbo Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1990

 

1989

 

1990

 

1989

 
Pontiac LeMans

2.0L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac LeMans



2.0L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Pontiac Phoenix

2.5L L4 Gas OHV
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac Phoenix



2.5L L4 Gas OHV Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Pontiac Sunbird

2.0L L4 Gas SOHC
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac Sunbird



2.0L L4 Gas SOHC Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1990

 

1989

 

1988

 

1987

 

1990

 

1989

 

1988

 

1987

 
Pontiac Sunbird

2.0L L4 Gas SOHC Turbo
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac Sunbird



2.0L L4 Gas SOHC Turbo Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle

1986

 

1986

 
Pontiac Sunbird

1.8L L4 Gas SOHC,
1.8L L4 Gas SOHC Turbo
1
 
Gold
Temperature 180F
Standard
Includes seal
Alternate Temp
 

Pontiac Sunbird



1.8L L4 Gas SOHC,
1.8L L4 Gas SOHC Turbo Gold
Temperature 180F
Standard
Includes seal
Alternate Temp

1 Per Vehicle