My Account | My Garage | Commercial/Dealer Login | Order Status |
Contact Customer Support
M-F: 9am-6pm ET
Sat: 9am-5pm ET
| 1-877-737-2787
Shopping Cart

Over 1,000,000 Orders Shipped Since 1997!

QC12YC 946 Spark Plug

Champion QC12YC 946 Spark Plug

Part#:  QC12YC
  5.00 Stars - 1 Review

Champion OEM Part

Aftermarket Alternatives


If you find that your engine is not starting or is running poorly, you may have a fouled spark plug. Replacing your Champion spark plug is a low cost and easy fix for many common engine problems.

Fits Model


Also Fits Model

ECHO 7600E, EG5600E Generators
SNAPPER G30000, G55000 Generators
CUB CADET 1863, 1864, 2084, 2086, 2182, 2284, 4815F, 4815F, AGS2130, AGS2150, AGS2155, CC760ES, GT2542, GT2544, GT3100, HDS2135, HDS2155, HDS2185, LT1042, LT1045, LTX1040, LTX1042, LTX1045, LTX1046, LTX1046VT, LTX1050KW, LTX1050VT, RZT42, RZT50VT, SLTX1054, ZZT42, ZZT50 Mowers

Replaces OEM



Type Resistor
Reach: 19mm
Seat Type: Gasket
Heat Range: 12
REF. NO. 946
Thread 14mm
Hex Size 5/8"

Customer Reviews for the 946 Spark Plug

Review Rating: Sort By:

Reviewed on

should change at least once a year

Questions & Answers for the Champion QC12YC

Ask us about the Champion QC12YC 946 Spark Plug. Please no repair questions. Your Q&A may be posted to to help other shoppers, like you, with their purchasing decisions. Thank you.

Repair Tips For Champion QC12YC

No repair tips at this time.

back to top