Description:
Autolite Copper spark plugs deliver quick starts, good fuel economy and smooth acceleration.
Features and Benefits:
- 2 year limited warranty
- Heat-fused glass composite resistor center seal provides high performance EMI noise suppression and a 100 percent leak-proof seal
- High alumina multi-rib insulator helps prevent flash-over which can lead to misfires
- High nickel alloy side electrode resists electrical and chemical wear providing excellent durability
- One-Piece terminal stud provides a reliable high voltage electrical connection
- Solid copper core center electrode provides optimal thermal and electrical conductivity for better performance in all driving conditions
Specifications:
Center Electrode Core Material:
Copper
Center Electrode Design:
Standard
Center Electrode Projection:
Mid Projection
Center Electrode Tip Material:
Nickel
Electrical Terminal Type:
Stud
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Tapered
Ground Electrode Tip Material:
Nickel
Insulator Material:
Ceramic
Briggs & Stratton #:
491055
Briggs & Stratton #:
491055S
Briggs & Stratton #:
499608
Briggs & Stratton #:
5066A
Briggs & Stratton #:
691043
Briggs & Stratton #:
692051
Briggs & Stratton #:
694385
Briggs & Stratton #:
805015
Champion Spark Plug #:
5071
Champion Spark Plug #:
71
Champion Spark Plug #:
71G
Champion Spark Plug #:
71S
Champion Spark Plug #:
946
Champion Spark Plug #:
946-1
Champion Spark Plug #:
QC12YC
Champion Spark Plug #:
RC10YC4
Champion Spark Plug #:
RC12LYC
Champion Spark Plug #:
RC12YC
Champion Spark Plug #:
RC12YC5
Champion Spark Plug #:
RC89TMC
Champion Spark Plug #:
RC9YC
Champion Spark Plug #:
RC9YC4
Champion Spark Plug #:
XC12YC
DENSO Auto Parts #:
K16PR-U
DENSO Auto Parts #:
K16PR-U11
DENSO Auto Parts #:
K16R-U
DENSO Auto Parts #:
K16R-U11
DENSO Auto Parts #:
KJ16CR-U11
DENSO Auto Parts #:
KJ16CR11
DENSO Auto Parts #:
Q16PR-U11
DENSO Auto Parts #:
Q16PR-U15
DENSO Auto Parts #:
Q16R-U
DENSO Auto Parts #:
Q16R-U11
General Motors #:
5614240
General Motors #:
5614257
General Motors #:
88901233
Manufacturer Warranty:
24 Months