Name: Autolite AP646 Autolite AP646 Platinum Spark Plug
SKU: ap646
Price: 4.47 USD
Availability: InStock

Autolite AP646 Platinum Spark Plug

Full platinum firing tip assures virtually no gap erosion and fewer misfires for a longer plug life
Engineered with a platinum firing tip that prevents gap erosion for longer service life.
Manufactured with a center wire platinum firing tip for improved performance and durability
Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
High nickel alloy side electrode resists electrical and chemical wear to maintain a precise gap for a longer lasting plug
The multi-rib insulator prevents flash-over.
Super conductive yttrium enhanced ground electrode provides superior heat transfer
Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Leak proof, heat fused resistor for added stability
4 year limited warranty
Necked-down center electrode fires quicker and cleaner with less voltage for easier starts, quicker acceleration, and improved fuel economy

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	Platinum
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	Performance
Hex Size	13/16 IN
Manufacturer Heat Range	8
9459	No
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	4
Warranty Time UOM	YR
Harmonized Tariff Code (HTS)	8511100000
UPC	00009100252531
UNSPSC	26101732