Description:
Get the Autolite 646 Spark Plug for your vehicle. Buy now and secure your purchase online!
Autolite Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Features and Benefits:
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
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:
Nickel
Core Nose Length:
0.934 in.
Core Nose Length:
23.72 mm
Electrical Terminal Type:
Non-Removable Nut
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Ground Electrode Tip Material:
Nickel
Insulator Height:
2.224 in.
Insulator Height:
56.49 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
8
Champion Spark Plug #:
31
Champion Spark Plug #:
RN14MC5
Champion Spark Plug #:
RN16YC5
General Motors #:
25312033
General Motors #:
5613932
General Motors #:
5613946
General Motors #:
5614128
Manufacturer Warranty:
2 Years
