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  2. Auto Parts
  3. Fluids and Accessories
  4. Cylinder Block Components
  5. Engine Heater
  6. ACDelco 12556261

ACDelco 12556261 Engine Heater

ACDelco 12556261 Engine Heater Image 1
ACDelco 12556261 Engine Heater Image 2
ACDelco 12556261 Engine Heater

ACDelco
Brand:ACDelco
Part Number: 12556261
UPC: 195491192539
Weight: 0.21 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12556261 Engine Heater for your vehicle. Buy now and secure your purchase online!

GM Genuine Parts Engine Heater are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Body Outside Diameter:
1.734 in.
Body Outside Diameter:
44.04 mm
Electrical Connector Quantity:
1
Electrical Connector Shape:
Triangle
Fits Hole Diameter:
1.625 in.
Fits Hole Diameter:
41.275 mm
Heater Type:
Expansion Plug
Mounting Hardware Included:
No
Programming Required:
No
Replaceable Cord:
Yes
Thermostatically Controlled:
No
Universal Or Specific Fit:
Specific
Voltage:
120 VAC
Wattage:
600 W
Country of Origin:
CA

Select a vehicle to narrow ACDelco 12556261 Engine Heater fitment info!

Last Updated: 09/26/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes
Showing 100 fitments from page 2 of 2

2004

 

2004

 
GMC Savana 1500

4.3L V6 Gas OHV
1
 
IDENT BY OEM P/N 12556261 ON PART.FOR 2ND DES SEE 93445606
ENGINE BLOCK HEATER(K05)
1st Design
Eng: LU3
8th VIN Digit: X
RWD
 

GMC Savana 1500



4.3L V6 Gas OHV IDENT BY OEM P/N 12556261 ON PART.FOR 2ND DES SEE 93445606
ENGINE BLOCK HEATER(K05)
1st Design
Eng: LU3
8th VIN Digit: X
RWD

1 Per Vehicle

2003

 

2003

 
GMC Savana 1500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: LU3
8th VIN Digit: X
RWD
 

GMC Savana 1500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: LU3
8th VIN Digit: X
RWD

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 1500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

GMC Savana 1500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 1500

5.0L V8 Gas OHV
1
 
Eng: L30
8th VIN Digit: M
 

GMC Savana 1500



5.0L V8 Gas OHV Eng: L30
8th VIN Digit: M

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 1500

5.7L V8 Gas OHV
1
 
Eng: L31
8th VIN Digit: R
 

GMC Savana 1500



5.7L V8 Gas OHV Eng: L31
8th VIN Digit: R

1 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
GMC Savana 1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 		 

GMC Savana 1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC Savana 1500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

GMC Savana 1500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC Savana 1500

5.0L V8 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L30
8th VIN Digit: M
 

GMC Savana 1500



5.0L V8 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L30
8th VIN Digit: M

1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC Savana 1500

5.7L V8 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L31
8th VIN Digit: R
 

GMC Savana 1500



5.7L V8 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L31
8th VIN Digit: R

1 Per Vehicle

2004

 

2004

 
GMC Savana 2500

4.3L V6 Gas OHV
1
 
IDENT BY OEM P/N 12556261 ON PART.FOR 2ND DES SEE 93445606
ENGINE BLOCK HEATER(K05)
1st Design
Eng: LU3
8th VIN Digit: X
RWD
 

GMC Savana 2500



4.3L V6 Gas OHV IDENT BY OEM P/N 12556261 ON PART.FOR 2ND DES SEE 93445606
ENGINE BLOCK HEATER(K05)
1st Design
Eng: LU3
8th VIN Digit: X
RWD

1 Per Vehicle

2003

 

2003

 
GMC Savana 2500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: LU3
8th VIN Digit: X
RWD
 

GMC Savana 2500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: LU3
8th VIN Digit: X
RWD

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 2500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

GMC Savana 2500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 2500

5.0L V8 Gas OHV
1
 
Eng: L30
8th VIN Digit: M
 

GMC Savana 2500



5.0L V8 Gas OHV Eng: L30
8th VIN Digit: M

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 2500

5.7L V8 Bi-Fuel OHV,
5.7L V8 Gas OHV
1
 
Eng: L31
8th VIN Digit: R
 

GMC Savana 2500



5.7L V8 Bi-Fuel OHV,
5.7L V8 Gas OHV Eng: L31
8th VIN Digit: R

1 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
GMC Savana 2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 		 

GMC Savana 2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC Savana 2500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

GMC Savana 2500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC Savana 2500

5.0L V8 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L30
8th VIN Digit: M
 

GMC Savana 2500



5.0L V8 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L30
8th VIN Digit: M

1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC Savana 2500

5.7L V8 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L31
8th VIN Digit: R
 

GMC Savana 2500



5.7L V8 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L31
8th VIN Digit: R

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 3500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

GMC Savana 3500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 3500

5.7L V8 Bi-Fuel OHV,
5.7L V8 Gas OHV
1
 
Eng: L31
8th VIN Digit: R
 

GMC Savana 3500



5.7L V8 Bi-Fuel OHV,
5.7L V8 Gas OHV Eng: L31
8th VIN Digit: R

1 Per Vehicle

2000

 

2000

 
GMC Savana 3500

4.3L V6 Gas OHV
1
 		 

GMC Savana 3500



4.3L V6 Gas OHV
1 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
GMC Savana 3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 		 

GMC Savana 3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1 Per Vehicle

1998

 

1998

 
GMC Savana 3500

4.3L V6 Gas OHV
1
 		 

GMC Savana 3500



4.3L V6 Gas OHV
1 Per Vehicle

1997

 

1997

 
GMC Savana 3500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

GMC Savana 3500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC Savana 3500

5.7L V8 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L31
8th VIN Digit: R
 

GMC Savana 3500



5.7L V8 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L31
8th VIN Digit: R

1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC Savana 3500

7.4L V8 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L29
8th VIN Digit: J
 

GMC Savana 3500



7.4L V8 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L29
8th VIN Digit: J

1 Per Vehicle

2004

 

2004

 
GMC Sierra 1500

4.3L V6 Gas OHV
1
 
IDENT BY OEM P/N 12556261 ON PART.FOR 2ND DES SEE 93445606
ENGINE BLOCK HEATER(K05)
1st Design
Eng: LU3
8th VIN Digit: X
 

GMC Sierra 1500



4.3L V6 Gas OHV IDENT BY OEM P/N 12556261 ON PART.FOR 2ND DES SEE 93445606
ENGINE BLOCK HEATER(K05)
1st Design
Eng: LU3
8th VIN Digit: X

1 Per Vehicle

2003

 

2002

 

2003

 

2002

 
GMC Sierra 1500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: LU3
8th VIN Digit: X
 

GMC Sierra 1500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: LU3
8th VIN Digit: X

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

2002

 

2001

 

2000

 

1999

 
GMC Sierra 1500

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

GMC Sierra 1500



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

2004

 

2004

 
GMC Sonoma

4.3L V6 Gas OHV
1
 
IDENT BY OEM P/N 12556261 ON PART.FOR 2ND DES SEE 93445606
ENGINE BLOCK HEATER(K05), ENG BLK HTR(8U4)
1st Design
Eng: LU3
8th VIN Digit: X
 

GMC Sonoma



4.3L V6 Gas OHV IDENT BY OEM P/N 12556261 ON PART.FOR 2ND DES SEE 93445606
ENGINE BLOCK HEATER(K05), ENG BLK HTR(8U4)
1st Design
Eng: LU3
8th VIN Digit: X

1 Per Vehicle

2003

 

2003

 
GMC Sonoma

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05), ENG BLK HTR(8U4)
Eng: LU3
8th VIN Digit: X
 

GMC Sonoma



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05), ENG BLK HTR(8U4)
Eng: LU3
8th VIN Digit: X

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Sonoma

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

GMC Sonoma



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Yukon

5.7L V8 Gas OHV
1
 
Eng: L31
8th VIN Digit: R
 

GMC Yukon



5.7L V8 Gas OHV Eng: L31
8th VIN Digit: R

1 Per Vehicle

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Oldsmobile Bravada

4.3L V6 Gas OHV
1
 
ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W
 

Oldsmobile Bravada



4.3L V6 Gas OHV ENGINE BLOCK HEATER(K05)
Eng: L35
8th VIN Digit: W

1 Per Vehicle