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1991 GMC C1500

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Autolite AP25 Spark Plug
for 1991 GMC C1500

Autolite AP25 Spark Plug - 1991 GMC C1500 Image 1
Autolite AP25 Spark Plug - 1991 GMC C1500 Image 2
Autolite AP25 Spark Plug - 1991 GMC C1500

Autolite
Brand:Autolite
Part Number: AP25
UPC: 009100252449
Weight: 0.11 lbs
Condition:New



On Sale:

$5.88

Availability:
26 in Stock
Warehouse: US-7
Quantity:

Product Information

Description:

Get the Autolite AP25 Spark Plug for your 1991 GMC C1500. Buy now and secure your purchase online!

Autolite Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.

Features and Benefits:

  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
  • Engineered with a platinum firing tip that prevents gap erosion for longer service life.
  • Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • The multi-rib insulator prevents flash-over.

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Insulator Tip Projection:
0.133 in.
Center Electrode Insulator Tip Projection:
3.38 mm
Center Electrode Projection:
Mid Projection
Center Electrode Tip Material:
Platinum
Core Nose Length:
0.726 in.
Core Nose Length:
18.44 mm
Electrical Terminal Type:
Non-Removable Nut
Grade Type:
Performance
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Ground Electrode Tip Material:
Nickel
Hex Size:
5/8 in.
Hex Type:
Hex
Indexed:
No
Insulator Height:
2.374 in.
Insulator Height:
60.3 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
8
Pre-Gap Size:
0.044 in.
Pre-Gap Size:
1.12 mm
Reach:
0.431 in.
Reach:
10.95 mm
Resistance:
4000 Ohm
Resistor Type:
Yes
Seat Type:
Tapered
Thread Diameter:
14 mm
Washer Included:
No
ACDelco #:
2
ACDelco #:
CR43TSM
ACDelco #:
R43TS
ACDelco #:
R44TS
Bosch #:
6113
Bosch #:
HR9BP+
Bosch #:
HR9BPP30V
Bosch #:
HR9BPP30X
Bosch #:
HR9BPX+
Champion Spark Plug #:
3018
Champion Spark Plug #:
406
Champion Spark Plug #:
RV17PMC4
DENSO Auto Parts #:
5024
Ford #:
F6TE12405MA
Motorcraft #:
4AF2
Motorcraft #:
ARF42
Motorcraft #:
ASF42
Motorcraft #:
ASF42P
Motorcraft #:
SP450
Motorcraft #:
SP502
NGK #:
2423
NGK #:
UR4GP
NGK #:
UR4VX
Splitfire #:
PP002E
Country of Origin:
MX

Manufacturer Warranty:

4 Years

Autolite AP25 Spark Plug compatibility with your 1991 GMC C1500...

Last Updated: 10/05/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
GMC C1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
8
 
Platinum
Gap .035 (in)
 

GMC C1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Platinum
Gap .035 (in)

8 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1993

 

1992

 

1991

 

1990

 

1989

 
GMC C1500

4.3L V6 Gas OHV
6
 
Platinum
Gap .035 (in)
 

GMC C1500



4.3L V6 Gas OHV Platinum
Gap .035 (in)

6 Per Vehicle

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