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  2. Auto Parts
  3. Ignition
  4. Secondary Ignition
  5. Spark Plug
  6. Autolite AP646

Autolite AP646 Spark Plug

Autolite AP646 Spark Plug Image 1
Autolite AP646 Spark Plug Image 2
Autolite AP646 Spark Plug

Autolite
Brand:Autolite
Part Number: AP646
UPC: 009100252531
Weight: 0.14 lbs
Condition:New



On Sale:

$5.88

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

Product Information

Description:

Get the Autolite AP646 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:
0.934 in.
Core Nose Length:
23.72 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:
13/16 in.
Hex Type:
Hex
Indexed:
No
Insulator Height:
2.224 in.
Insulator Height:
56.49 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
8
Pre-Gap Size:
0.05 in.
Pre-Gap Size:
1.27 mm
Reach:
0.75 in.
Reach:
19.05 mm
Resistance:
4000 Ohm
Resistor Type:
Yes
Seat Type:
Flat
Thread Diameter:
14 mm
Washer Included:
Yes
Washer Type:
Crush
Bosch #:
6729
Bosch #:
WR8LPP30V
Champion Spark Plug #:
105
Champion Spark Plug #:
RN14PMC5
DENSO Auto Parts #:
W14EXR-U15
Motorcraft #:
AGR52-6
Motorcraft #:
AGS52C-6
Motorcraft #:
AGS52C6
NGK #:
3142
NGK #:
GR45GP
Splitfire #:
PP064F
Country of Origin:
MX

Manufacturer Warranty:

4 Years

Select a vehicle to narrow Autolite AP646 Spark Plug fitment info!

Last Updated: 10/05/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

1988

 

1987

 

1988

 

1987

 
Buick Skyhawk

2.0L L4 Gas SOHC
4
 
Platinum
Gap .060 (in)
8th VIN Digit: K
 

Buick Skyhawk



2.0L L4 Gas SOHC Platinum
Gap .060 (in)
8th VIN Digit: K

4 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Cadillac Calais

8.2L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Calais



8.2L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Cadillac Commercial Chassis

6.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Commercial Chassis



6.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Cadillac Commercial Chassis

7.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Commercial Chassis



7.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Cadillac Commercial Chassis

8.2L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Commercial Chassis



8.2L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1981

 

1980

 

1981

 

1980

 
Cadillac DeVille

6.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac DeVille



6.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Cadillac DeVille

7.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac DeVille



7.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Cadillac DeVille

8.2L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac DeVille



8.2L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1981

 

1980

 

1981

 

1980

 
Cadillac Eldorado

6.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Eldorado



6.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Cadillac Eldorado

7.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Eldorado



7.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Cadillac Eldorado

8.2L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Eldorado



8.2L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Cadillac Fleetwood

6.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Fleetwood



6.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Cadillac Fleetwood

7.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Fleetwood



7.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Cadillac Fleetwood

8.2L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Fleetwood



8.2L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1981

 

1980

 

1981

 

1980

 
Cadillac Seville

6.0L V8 Gas OHV
8
 
Platinum
Gap .060 (in)
 

Cadillac Seville



6.0L V8 Gas OHV Platinum
Gap .060 (in)

8 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1996

 

1995

 

1994

 

1993

 
Chrysler Concorde

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Concorde



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1995

 

1995

 
Chrysler Concorde

3.3L V6 Flex OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Concorde



3.3L V6 Flex OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

2000

 
Chrysler Grand Voyager

3.3L V6 Flex OHV,
3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Grand Voyager



3.3L V6 Flex OHV,
3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1993

 

1992

 

1991

 

1993

 

1992

 

1991

 
Chrysler Imperial

3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Imperial



3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1991

 

1990

 

1991

 

1990

 
Chrysler Imperial

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Imperial



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1993

 

1992

 

1991

 

1993

 

1992

 

1991

 
Chrysler New Yorker

3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler New Yorker



3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Chrysler New Yorker

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler New Yorker



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
Chrysler Town & Country

3.3L V6 Flex OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Town & Country



3.3L V6 Flex OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

1997

 

2000

 

1999

 

1998

 

1997

 
Chrysler Town & Country

3.3L V6 Gas OHV,
3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Town & Country



3.3L V6 Gas OHV,
3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1996

 

1996

 
Chrysler Town & Country

3.3L V6 Gas OHV,
3.8L V6 Gas OHV
6
 
Platinum
OE Style
Gap .050 (in)
 

Chrysler Town & Country



3.3L V6 Gas OHV,
3.8L V6 Gas OHV Platinum
OE Style
Gap .050 (in)

6 Per Vehicle

1995

 

1994

 

1995

 

1994

 
Chrysler Town & Country

3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Town & Country



3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Chrysler Town & Country

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Town & Country



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1990

 

1990

 
Chrysler Town & Country

3.0L V6 Gas SOHC
6
 
Platinum
Gap .050 (in)
 

Chrysler Town & Country



3.0L V6 Gas SOHC Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

2000

 
Chrysler Voyager

3.3L V6 Flex OHV,
3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Chrysler Voyager



3.3L V6 Flex OHV,
3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
Dodge Caravan

3.3L V6 Flex OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Caravan



3.3L V6 Flex OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Dodge Caravan

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Caravan



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
Dodge Caravan

3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Caravan



3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1995

 

1994

 

1995

 

1994

 
Dodge Caravan

3.3L V6 CNG OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Caravan



3.3L V6 CNG OHV Platinum
Gap .050 (in)

6 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Dodge Dynasty

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Dynasty



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
Dodge Grand Caravan

3.3L V6 Flex OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Grand Caravan



3.3L V6 Flex OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
Dodge Grand Caravan

3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Grand Caravan



3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Dodge Grand Caravan

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Grand Caravan



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1996

 

1996

 
Dodge Grand Caravan

3.3L V6 CNG OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Grand Caravan



3.3L V6 CNG OHV Platinum
Gap .050 (in)

6 Per Vehicle

1997

 

1996

 

1997

 

1996

 
Dodge Intrepid

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Intrepid



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1995

 

1995

 
Dodge Intrepid

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
8th VIN Digit: T
 

Dodge Intrepid



3.3L V6 Gas OHV Platinum
Gap .050 (in)
8th VIN Digit: T

6 Per Vehicle

1994

 

1993

 

1994

 

1993

 
Dodge Intrepid

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Dodge Intrepid



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1997

 

1996

 

1995

 

1994

 

1993

 

1997

 

1996

 

1995

 

1994

 

1993

 
Eagle Vision

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Eagle Vision



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Oldsmobile Firenza

2.0L L4 Gas SOHC
4
 
Platinum
Gap .060 (in)
8th VIN Digit: K
 

Oldsmobile Firenza



2.0L L4 Gas SOHC Platinum
Gap .060 (in)
8th VIN Digit: K

4 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
Plymouth Grand Voyager

3.3L V6 Flex OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Grand Voyager



3.3L V6 Flex OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

1997

 

2000

 

1999

 

1998

 

1997

 
Plymouth Grand Voyager

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Grand Voyager



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1999

 

1998

 

1999

 

1998

 
Plymouth Grand Voyager

3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Grand Voyager



3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1996

 

1996

 
Plymouth Grand Voyager

3.3L V6 CNG OHV,
3.3L V6 Gas OHV
6
 
Platinum
OE Style
Gap .050 (in)
 

Plymouth Grand Voyager



3.3L V6 CNG OHV,
3.3L V6 Gas OHV Platinum
OE Style
Gap .050 (in)

6 Per Vehicle

1995

 

1994

 

1995

 

1994

 
Plymouth Grand Voyager

3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Grand Voyager



3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Plymouth Grand Voyager

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Grand Voyager



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
Plymouth Voyager

3.3L V6 Flex OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Voyager



3.3L V6 Flex OHV Platinum
Gap .050 (in)

6 Per Vehicle

2000

 

1999

 

1998

 

1997

 

2000

 

1999

 

1998

 

1997

 
Plymouth Voyager

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Voyager



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1999

 

1999

 
Plymouth Voyager

3.8L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Voyager



3.8L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1996

 

1996

 
Plymouth Voyager

3.3L V6 Gas OHV
6
 
Platinum
OE Style
Gap .050 (in)
 

Plymouth Voyager



3.3L V6 Gas OHV Platinum
OE Style
Gap .050 (in)

6 Per Vehicle

1995

 

1994

 

1995

 

1994

 
Plymouth Voyager

3.3L V6 CNG OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Voyager



3.3L V6 CNG OHV Platinum
Gap .050 (in)

6 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1995

 

1994

 

1993

 

1992

 

1991

 
Plymouth Voyager

3.3L V6 Gas OHV
6
 
Platinum
Gap .050 (in)
 

Plymouth Voyager



3.3L V6 Gas OHV Platinum
Gap .050 (in)

6 Per Vehicle

1993

 

1993

 
Pontiac LeMans

1.6L L4 Gas SOHC
4
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



1.6L L4 Gas SOHC Platinum
Gap .060 (in)

4 Per Vehicle

1989

 

1989

 
Pontiac LeMans

2.0L L4 Gas SOHC
4
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



2.0L L4 Gas SOHC Platinum
Gap .060 (in)

4 Per Vehicle

1989

 

1988

 

1989

 

1988

 
Pontiac LeMans

1.6L L4 Gas SOHC
4
 
Platinum
Gap .060 (in)
 

Pontiac LeMans



1.6L L4 Gas SOHC Platinum
Gap .060 (in)

4 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Pontiac Sunbird

2.0L L4 Gas SOHC
4
 
Platinum
Gap .060 (in)
 

Pontiac Sunbird



2.0L L4 Gas SOHC Platinum
Gap .060 (in)

4 Per Vehicle