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  2. Auto Parts
  3. Belts and Cooling
  4. Thermostat and Housing
  5. Engine Coolant Thermostat
  6. ACDelco 12T6B for 1984

ACDelco 12T6B Engine Coolant Thermostat
for 1984 (please select make/model) 6.2L V8 Diesel OHV

ACDelco 12T6B Engine Coolant Thermostat - 1984

ACDelco
Brand:ACDelco
Part Number: 12T6B
UPC: 00707773060513
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:
Gasket
Sealing Flange Outside Diameter:
2.5 in.
Sealing Flange Outside Diameter:
63.5 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 12T6B Engine Coolant Thermostat fitment info!

Last Updated: 05/20/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet C10

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet C10



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
Chevrolet C10 Suburban

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet C10 Suburban



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet C20

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet C20



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
Chevrolet C20 Suburban

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet C20 Suburban



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet C30

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet C30



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Chevrolet G20

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet G20



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Chevrolet G30

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet G30



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet K10

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet K10



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet K10 Suburban

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet K10 Suburban



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet K20

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet K20



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet K20 Suburban

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet K20 Suburban



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Chevrolet K30

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet K30



6.2L V8 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

 
Chevrolet P20

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet P20



6.2L V8 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

 
Chevrolet P30

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

Chevrolet P30



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1985

 

1984

 

1983

 

1982

 
GMC C1500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC C1500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC C1500 Suburban

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC C1500 Suburban



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC C2500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC C2500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC C2500 Suburban

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC C2500 Suburban



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC C3500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC C3500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1984

 
GMC G2500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
8th VIN Digit: C
 

GMC G2500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp
8th VIN Digit: C

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
GMC G3500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC G3500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
GMC K1500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC K1500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC K1500 Suburban

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC K1500 Suburban



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC K2500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC K2500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC K2500 Suburban

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC K2500 Suburban



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC K3500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC K3500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC P2500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC P2500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 
GMC P3500

6.2L V8 Diesel OHV
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 

GMC P3500



6.2L V8 Diesel OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle

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