Champion QC12YC

Champion QC12YCThe Champion QC12YC is a conventional spark plug with nickel alloy electrodes. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

The Champion QC12YC spark plug has corrugated ribs, gasket seal type, a nickel alloy center and ground electrodes, a 16.0 mm (5/8 inches) hex size, and 0.75 mm (0.030 inches) spark plug gap.

General informational

Specifications
Spark plug modelChampion QC12YC (Part Number: 946)
Thread size14.0 mm (0.55 in)
Thread pitch1.25 mm (0.050 in)
Reach19.0 mm (0.75 in)
HEX size16.0 mm (0.629 in)
Seat typeGasket
Terminal typeSolid
ResistorYes
Resistor typeInductive
Heat range12
Torque specs Cast Iron: 35-40 Nm (3.6-4.0 kg·m; 25.8-29.5 lb·ft)
Aluminum: 25-29 Nm (2.5-3.0 kg·m; 18.4-21.6 lb·ft)
Gap0.75 mm (0.030 in)
Longevity32,000 km (20,000 miles)
Center electrode
MaterialNickel
TypeStandard
Size2.5 mm (0.098 in)
ProjectionProjected
Ground electrode
MaterialNickel
TypeStandard
Quantity1

Equivalents and alternatives

Champion QC12YC cross reference to
AC Delco
41-603, 41800
Accel
416
Autolite
3924, XS3924, XST3924
Beru
14F-8DU, 14FR-8DU
Bosch
+6
Briggs & Stratton
691043, 692720, 792015
Brisk
1326, D17Y, DR17YC
Champion
946, CCH946, QC12YC/T04, stk 946
Denso
3137, 5301, IQ16, Q16PR-U, Q16PRU, Q16TT
Eyquem
FC42LS
Honda
98079-55158
Iskra
SFE55PRS
Kohler
2013202
Magneti Marelli
062110230312
Motorcraft
AGSP32CF4
NGK
1667, 2460, 7938, BKR5E, BKR5ES, V-line-35, stk 7938
Splitfire
SF392D
Torch
K5RTC
Unipart
GSP2022
Valeo
246853
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

ATTENTION! Dear visitors, this is an informational database of technical specifications, we are not a parts supplier or a marketplace.

We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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