Autolite 646 - Autolite 646 Copper Resistor Spark Plug

Product Description

Autolite 646 Copper Resistor Spark Plug

Features & Benefits

• One-Piece terminal stud provides a reliable high voltage electrical connection
• The copper core center electrode aids in thermal control and improves resistance to fouling.
• High alumina multi-rib insulator helps prevent flash-over which can lead to misfires
• Its specially engineered high nickel alloy center and ground electrode provides extended life.
• Heat-fused glass composite resistor center seal provides high performance EMI noise suppression and a 100 percent leak-proof seal
• The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
• Solid copper core center electrode provides optimal thermal and electrical conductivity for better performance in all driving conditions
• Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
• High nickel alloy side electrode resists electrical and chemical wear providing excellent durability
• 2 year limited warranty

• Bosch W10EC
• Champion Spark Plug 31
• DENSO Auto Parts 3015
• Motorcraft AGR52-6
• NGK 4012
• ACDelco 41-618
• Bosch 7522
• Bosch 7922
• Bosch WR10LCV+
• Bosch WR10LCV 
• Champion Spark Plug RN14MC5
• Champion Spark Plug RN16YC5
• Mopar SP0RN14MC5
• Delphi 32721
• Motorcraft AGS52C-6
• Motorcraft AGS52C6
• Motorcraft SP451
• NGK BP5ES-13
• NGK GR45
• NGK GR55
• Splitfire - Archived SF6F6
• ACDelco R44XLS6
• ACDelco R45NSX
• ACDelco R45XLS6
• ACCEL 117
• Chrysler 4686083
• General Motors 25312033
• General Motors 5613932
• General Motors 5613946
• General Motors 5614128
• Atlas Spark Plugs C95R6
• Bosch WR10LCV

AUTOLITE 646 Cross Reference

We have 41 alternatives for the 646 by AUTOLITE:

• ACCEL 117
• AC-DELCO 41-618
• AC-DELCO R44XLS6
• AC-DELCO R45NSX
• AC-DELCO R45XLS6
• ATLAS C95R6
• BOSCH 7514
• BOSCH 7523
• BOSCH 7914
• BOSCH 7923
• BOSCH WR10LCV
• BOSCH WR9DCY
• BOSCH WR9DY
• CHAMPION 105
• CHAMPION 31
• CHAMPION 4079
• CHAMPION 76
• CHAMPION RN12YC6
• CHAMPION RN14MC5
• CHAMPION RN14Y6
• CHAMPION RN16YC5
• DELPHI 32721
• DENSO 3015
• DENSO W14EXR-U15
• MIGHTY GR526
• MOPAR SP0RN14MC5
• MOTORCRAFT 451
• MOTORCRAFT AGR52-6
• MOTORCRAFT AGS52C-6
• MOTORCRAFT SP-451
• NGK 4012
• NGK 4268
• NGK 5564
• NGK BP5ES-13
• NGK GR45
• NGK GR55
• PRECISION TUNE P4GR52 6
• PRESTOLITE 14GR52-6
• PRESTOLITE 14GR52A
• SPLITFIRE SF6F6
• VALLEY FORGE 155R

Fits Vehicles

• Asuna SE (1993)
• Asuna GT (1993)
• Pontiac Optima (1988-1989)
• Chrysler Intrepid (1993-1995, 1997)
• Chrysler Dynasty (1990-1993)
• Pontiac Sunbird (1987-1988)
• Pontiac LeMans (1988-1989, 1993)
• Oldsmobile Firenza (1987-1988)
• Cadillac Seville (1980-1981)
• Cadillac Fleetwood (1975-1984)
• Cadillac Eldorado (1975-1978, 1980-1981)
• Cadillac DeVille (1975-1981)
• Cadillac Commercial Chassis (1975-1984)
• Cadillac Calais (1975-1976)
• Buick Skyhawk (1987-1988)
• Plymouth Voyager (1991-2000)
• Plymouth Grand Voyager (1990-2000)
• Eagle Vision (1993-1997)
• Dodge Intrepid (1993-1997)
• Dodge Grand Caravan (1990-2000)
• Dodge Dynasty (1990-1993)
• Dodge Caravan (1990-2000)
• Chrysler Voyager (2000)
• Chrysler Town & Country (1990-2000)
• Chrysler New Yorker (1990-1993)
• Chrysler Imperial (1990-1993)
• Chrysler Grand Voyager (2000)
• Chrysler Concorde (1993-1996)