Champion Copper Plus Small Engine Spark Plug 863 (RCJ8Y)

Keep your outdoor power equipment running smoothly with the genuine Champion 863 (RCJ8Y) Copper Plus Small Engine Spark Plug. Engineered with a copper core center electrode, this premium resistor spark plug delivers superior conductivity, reliable heat control, and exceptional durability. It features an advanced anti-seize shell coating to prevent corrosion and ensure easy removal when it’s time for maintenance.

Designed for both 2-cycle and 4-cycle small engines, it is a highly versatile choice for lawn mowers, chainsaws, snow blowers, hedge trimmers, and string trimmers.

OEM Part Number Cross-References

This versatile plug directly replaces or matches the following manufacturer part numbers:

• Champion: 863, RCJ8Y, RCJ14

• NGK: BPMR6A, BPMR4A, 5113

• Torch: L6RTC

• Briggs & Stratton: 801254

• John Deere: TY6081

• Husqvarna: 952030201, 952 03 02-01

• Tecumseh: 611049, TC-611049

• Kawasaki: 92070-7003

• Ariens / Gravely: 00186800, 21533600, 21536000

• MTD: GW-RCJ-8Y

• Toro: 92070-7003

• Autolite: 2985, 2976, XST2976

• Denso: W20MPR, W20MPRU10

Compatible Equipment & Engine Models

Perfect for a wide array of popular small engines and outdoor equipment brands:

• Toro (Snow Blowers & Mowers): CCR 1000, CCR 2000, CCR 2400, CCR 2450 GTS, CCR 2500, CCR 3000 GTS, CCR 3650 GTS, CCR Powerlite, S-620

• Husqvarna (Trimmers & Blowers): 120L, 120LC, 120R, 122, 122L, 125L, 125LD, 125R, 125RJ, 132L, 132LD, 132R, Mondo series, ST20, ST21, ST521 snow blowers

• Ariens (Snow Blowers & Mowers): Tecumseh M21, SS322, SS522, ST520, ST524

• Maruyama (Trimmers & Brushcutters): BC200, BC201, BC2300, BC2600, BC3020, BC3200, HT2200, HT2300 hedge trimmers

• Poulan Pro (Trimmers & Edgers): PE3500, PP135, PP22, PP422, PP432

• John Deere: 21C, 21S weed eaters and TRS21 snow blowers

• Kawasaki Engines: KBL23A, KBL25A

• Honda Generators: EM500, EM500K1, EM600

• Yamaha & Homelite Utility: EF600, HG600 generators and various small chainsaw models

Product Specifications

• Thread Diameter: 14mm

• Hex Size: 3/4 in (19mm)

• Reach: 3/8 in (9.5mm)

• Resistor: Yes

• Electrode Material: Copper Core / Nickel Alloy Tip