Name: Autolite 646 Autolite 646 Copper Resistor Spark Plug
SKU: 646
Price: 1.73 USD
Availability: InStock

Autolite 646 Copper Resistor Spark Plug

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

Resistance	4000 82
Ground Electrode Tip Design	Standard
Ground Electrode Core Material	Nickel
Electrical Terminal Type	Non-Removable Nut
Center Electrode Core Material	Copper
Center Electrode Tip Material	Nickel
Pre-Gap Size	0.05 IN
Ground Electrode Quantity	1
Hex Size	21 MM
Seat Type	Flat
Reach	0.75 IN
Thread Diameter	14 MM
Insulator Material	Ceramic
Resistor Type	Yes
Ground Electrode Tip Material	Nickel
9608	Standard
9805	Mid Projection
Washer Included	Yes
Grade Type	Regular
Hex Size	13/16 IN
Manufacturer Heat Range	8
9459	Yes
9507	Hex
9746	No
Reach	19.049999999999997 MM
Pre-Gap Size	1.27 MM

Country of Origin (Primary)	MX
Harmonized Tariff Code (Schedule B)	8511100000
Warranty Time	2
Warranty Time UOM	YR
Harmonized Tariff Code (HTS)	8511100000
UPC	00009100006462
UNSPSC	26101732