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Autolite AP666 Spark Plug

Autolite AP666 Spark Plug Image 1
Autolite AP666 Spark Plug Image 2
Autolite AP666 Spark Plug

Autolite
Brand:Autolite
Part Number: AP666
UPC: 009100252562
Weight: 0.11 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the Autolite AP666 Spark Plug for your vehicle. 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:
0.822 in.
Core Nose Length:
20.88 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:
2.47 in.
Insulator Height:
62.74 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
7
Pre-Gap Size:
0.06 in.
Pre-Gap Size:
1.52 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 #:
R43CTS6
ACDelco #:
R43TS6
Bosch #:
HR9BPY+
Bosch #:
HR9BPY
Bosch #:
HR9BPZ+
Champion Spark Plug #:
37
DENSO Auto Parts #:
5021
Motorcraft #:
ARF32-6
Motorcraft #:
ARF32C6
Motorcraft #:
ARF42-6
Motorcraft #:
ARF52-6
Motorcraft #:
ARF52-8
Motorcraft #:
ARF62-6
Motorcraft #:
ASF32C-6
Motorcraft #:
ASF32C6
Motorcraft #:
ASF42-6
Motorcraft #:
ASF42C-7
Motorcraft #:
ASF42C7
Motorcraft #:
ASF52-6
Motorcraft #:
ASF52C-7
Motorcraft #:
ASF52C7
Motorcraft #:
SP443
NGK #:
2248
NGK #:
UR45GP
NGK #:
UR45VX
NGK #:
UR55VX
Country of Origin:
MX

Manufacturer Warranty:

4 Years

Select a vehicle to narrow Autolite AP666 Spark Plug fitment info!

Last Updated: 10/05/2024

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

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: X
 

Pontiac Bonneville



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: X

8 Per Vehicle
Pontiac Bonneville

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Bonneville



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Bonneville

6.6L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: Z
 

Pontiac Bonneville



6.6L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: Z

8 Per Vehicle
Pontiac Bonneville

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: P
 

Pontiac Bonneville



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: P

8 Per Vehicle
Pontiac Bonneville

6.6L V8 Gas OHV,
7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Bonneville



6.6L V8 Gas OHV,
7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Catalina

3.8L V6 Gas OHV
6
 
Platinum
Gap .080 (in)
 

Pontiac Catalina



3.8L V6 Gas OHV Platinum
Gap .080 (in)

6 Per Vehicle
Pontiac Catalina

4.3L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Catalina



4.3L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Catalina

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
8th VIN Digit: A
 

Pontiac Catalina



3.8L V6 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: A

6 Per Vehicle
Pontiac Catalina

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: X
 

Pontiac Catalina



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: X

8 Per Vehicle
Pontiac Catalina

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Catalina



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Catalina

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Catalina



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Catalina

6.6L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: Z
 

Pontiac Catalina



6.6L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: Z

8 Per Vehicle
Pontiac Catalina

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: P
 

Pontiac Catalina



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: P

8 Per Vehicle
Pontiac Catalina

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Catalina



5.7L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Catalina

6.6L V8 Gas OHV,
7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Catalina



6.6L V8 Gas OHV,
7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Fiero

2.5L L4 Gas OHV
4
 
Platinum
Gap .060 (in)
 

Pontiac Fiero



2.5L L4 Gas OHV Platinum
Gap .060 (in)

4 Per Vehicle
Pontiac Firebird

2.5L L4 Gas OHV
4
 
Platinum
Gap .060 (in)
 

Pontiac Firebird



2.5L L4 Gas OHV Platinum
Gap .060 (in)

4 Per Vehicle
Pontiac Firebird

3.8L V6 Gas OHV
6
 
Platinum
Gap .080 (in)
 

Pontiac Firebird



3.8L V6 Gas OHV Platinum
Gap .080 (in)

6 Per Vehicle
Pontiac Firebird

4.3L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Firebird



4.3L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Firebird

4.9L V8 Gas OHV Turbo
8
 
Platinum
Gap .060 (in)
 

Pontiac Firebird



4.9L V8 Gas OHV Turbo Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Firebird

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Firebird



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Firebird

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Firebird



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Firebird

6.6L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: Z
 

Pontiac Firebird



6.6L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: Z

8 Per Vehicle
Pontiac Firebird

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Firebird



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Firebird

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: P
 

Pontiac Firebird



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: P

8 Per Vehicle
Pontiac Firebird

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Firebird



5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Am

2.5L L4 Gas OHV
4
 
Platinum
Gap .060 (in)
 

Pontiac Grand Am



2.5L L4 Gas OHV Platinum
Gap .060 (in)

4 Per Vehicle
Pontiac Grand Am

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Am



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Am

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Grand Am



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Grand Am

5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Am



5.7L V8 Gas OHV,
6.6L V8 Gas OHV,
7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand LeMans

3.8L V6 Gas OHV
6
 
Platinum
Gap .080 (in)
8th VIN Digit: A
 

Pontiac Grand LeMans



3.8L V6 Gas OHV Platinum
Gap .080 (in)
8th VIN Digit: A

6 Per Vehicle
Pontiac Grand LeMans

4.3L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand LeMans



4.3L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand LeMans

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand LeMans



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand LeMans

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Grand LeMans



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Grand LeMans

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Grand LeMans



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Grand LeMans

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand LeMans



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand LeMans

6.6L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: Z
 

Pontiac Grand LeMans



6.6L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: Z

8 Per Vehicle
Pontiac Grand LeMans

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: P
 

Pontiac Grand LeMans



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: P

8 Per Vehicle
Pontiac Grand LeMans

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: M
 

Pontiac Grand LeMans



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: M

8 Per Vehicle
Pontiac Grand LeMans

6.6L V8 Gas OHV,
7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand LeMans



6.6L V8 Gas OHV,
7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand LeMans

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand LeMans



5.7L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Prix

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Grand Prix



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Grand Prix

3.8L V6 Gas OHV
6
 
Platinum
Gap .080 (in)
 

Pontiac Grand Prix



3.8L V6 Gas OHV Platinum
Gap .080 (in)

6 Per Vehicle
Pontiac Grand Prix

4.1L V6 Gas OHV
6
 
Platinum
Gap .080 (in)
 

Pontiac Grand Prix



4.1L V6 Gas OHV Platinum
Gap .080 (in)

6 Per Vehicle
Pontiac Grand Prix

4.3L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Prix



4.3L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Prix

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Grand Prix



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Grand Prix

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Prix



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Prix

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: P
 

Pontiac Grand Prix



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: P

8 Per Vehicle
Pontiac Grand Prix

6.6L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: Z
 

Pontiac Grand Prix



6.6L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: Z

8 Per Vehicle
Pontiac Grand Prix

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Prix



5.7L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Prix

6.6L V8 Gas OHV,
7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Prix



6.6L V8 Gas OHV,
7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Safari

6.6L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: Z
 

Pontiac Grand Safari



6.6L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: Z

8 Per Vehicle
Pontiac Grand Safari

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Safari



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Safari

6.6L V8 Gas OHV,
7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Safari



6.6L V8 Gas OHV,
7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grand Safari

6.6L V8 Gas,
7.5L V8 Gas
8
 
Platinum
Gap .060 (in)
 

Pontiac Grand Safari



6.6L V8 Gas,
7.5L V8 Gas Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Grandville

6.6L V8 Gas OHV,
7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Grandville



6.6L V8 Gas OHV,
7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac LeMans

3.8L V6 Gas OHV
6
 
Platinum
Gap .080 (in)
8th VIN Digit: A
 

Pontiac LeMans



3.8L V6 Gas OHV Platinum
Gap .080 (in)
8th VIN Digit: A

6 Per Vehicle
Pontiac LeMans

4.3L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



4.3L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac LeMans

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac LeMans

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac LeMans

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac LeMans

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac LeMans

6.6L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: Z
 

Pontiac LeMans



6.6L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: Z

8 Per Vehicle
Pontiac LeMans

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: P
 

Pontiac LeMans



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: P

8 Per Vehicle
Pontiac LeMans

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
8th VIN Digit: M
 

Pontiac LeMans



5.7L V8 Gas OHV Platinum
Gap .060 (in)
8th VIN Digit: M

8 Per Vehicle
Pontiac LeMans

7.5L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



7.5L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac LeMans

6.6L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



6.6L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac LeMans

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



5.7L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Parisienne

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Parisienne



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Phoenix

2.5L L4 Gas OHV
4
 
Platinum
Gap .060 (in)
 

Pontiac Phoenix



2.5L L4 Gas OHV Platinum
Gap .060 (in)

4 Per Vehicle
Pontiac Phoenix

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Phoenix



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Phoenix

2.5L L4 Gas OHV
4
 
Platinum
Gap .060 (in)
 

Pontiac Phoenix



2.5L L4 Gas OHV Platinum
Gap .060 (in)

4 Per Vehicle
Pontiac Sunbird

2.5L L4 Gas OHV
4
 
Platinum
Gap .060 (in)
 

Pontiac Sunbird



2.5L L4 Gas OHV Platinum
Gap .060 (in)

4 Per Vehicle
Pontiac Sunbird

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Sunbird



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Ventura

2.5L L4 Gas OHV
4
 
Platinum
Gap .060 (in)
 

Pontiac Ventura



2.5L L4 Gas OHV Platinum
Gap .060 (in)

4 Per Vehicle
Pontiac Ventura

3.8L V6 Gas OHV
6
 
Platinum
Gap .060 (in)
 

Pontiac Ventura



3.8L V6 Gas OHV Platinum
Gap .060 (in)

6 Per Vehicle
Pontiac Ventura

4.9L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Ventura



4.9L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle
Pontiac Ventura

5.7L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Pontiac Ventura



5.7L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle