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  2. Auto Parts
  3. Belts and Cooling
  4. Thermostat and Housing
  5. Engine Coolant Thermostat
  6. ACDelco 12T1B for 1984

ACDelco 12T1B Engine Coolant Thermostat
for 1984 (please select make/model)

ACDelco 12T1B Engine Coolant Thermostat - 1984

ACDelco
Brand:ACDelco
Part Number: 12T1B
UPC: 00707773060360
Weight: 0.29 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12T1B Engine Coolant Thermostat for your 1984. Buy now and secure your purchase online!

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
Opening Temperature (Deg. F):
160 Deg. F
Programming Required:
No
Seal Type:
Gasket
Sealing Flange Outside Diameter:
2.125 in.
Sealing Flange Outside Diameter:
54 mm
Start to Open Temperature:
160 Degrees Fahrenheit
Start to Open Temperature:
71 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 12T1B Engine Coolant Thermostat fitment info!

Last Updated: 05/27/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes
Showing 100 fitments from page 3 of 3

1985

 

1984

 

1985

 

1984

 
Lincoln Mark VII

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Lincoln Mark VII



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1985

 

1984

 

1983

 

1982

 

1981

 
Lincoln Town Car

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Lincoln Town Car



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1985

 

1984

 

1983

 

1982

 
Mercury Capri

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Mercury Capri



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Mercury Capri

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Mercury Capri



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1985

 

1984

 

1983

 
Mercury Cougar

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Mercury Cougar



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1985

 

1984

 

1983

 

1982

 
Mercury Cougar

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Mercury Cougar



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
Mercury Grand Marquis

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Mercury Grand Marquis



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Oldsmobile 98

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile 98



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Oldsmobile 98

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile 98



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 
Oldsmobile Custom Cruiser

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Custom Cruiser



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Oldsmobile Custom Cruiser

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Custom Cruiser



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Oldsmobile Cutlass Calais

4.3L V6 Diesel OHV,
5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Calais



4.3L V6 Diesel OHV,
5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Oldsmobile Cutlass Calais

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Calais



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Oldsmobile Cutlass Calais

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Calais



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Oldsmobile Cutlass Ciera

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Ciera



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1985

 

1984

 

1983

 

1982

 
Oldsmobile Cutlass Ciera

2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Ciera



2.5L L4 Gas OHV,
3.0L V6 Gas OHV,
4.3L V6 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 
Oldsmobile Cutlass Supreme

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Supreme



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 
Oldsmobile Cutlass Supreme

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Supreme



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
Oldsmobile Cutlass Supreme

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Supreme



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Oldsmobile Cutlass Supreme

4.3L V6 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Cutlass Supreme



4.3L V6 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 
Oldsmobile Delta 88

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Delta 88



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Oldsmobile Delta 88

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Delta 88



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 
Oldsmobile Delta 88

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Delta 88



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Oldsmobile Omega

2.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Omega



2.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 
Oldsmobile Toronado

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Toronado



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
Oldsmobile Toronado

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Toronado



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1984

 

1983

 

1982

 

1981

 
Oldsmobile Toronado

4.1L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Oldsmobile Toronado



4.1L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 
Plymouth Gran Fury

5.2L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Plymouth Gran Fury



5.2L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
Pontiac 6000

2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac 6000



2.5L L4 Gas OHV,
2.8L V6 Gas OHV,
4.3L V6 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Pontiac Bonneville

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Bonneville



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 
Pontiac Bonneville

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Bonneville



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Pontiac Bonneville

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Bonneville



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 
Pontiac Firebird

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Firebird



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1987

 

1986

 

1985

 

1984

 

1983

 
Pontiac Grand Prix

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Grand Prix



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Pontiac Grand Prix

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Grand Prix



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1984

 

1983

 

1982

 

1981

 
Pontiac Grand Prix

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Grand Prix



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Pontiac Parisienne

5.0L V8 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Parisienne



5.0L V8 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1985

 

1984

 

1983

 
Pontiac Parisienne

5.7L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Parisienne



5.7L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1984

 
Pontiac Parisienne

3.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Parisienne



3.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Pontiac Phoenix

2.8L V6 Gas OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Pontiac Phoenix



2.8L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

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