Description
Overview:
The Champion RCJ7Y spark plug is a genuine replacement part for Husqvarna handheld machines. Built with a durable metal shell and a high-quality ceramic insulator, it provides a consistent, clean spark to ignite the fuel-air mixture, helping engines start easily and run smoothly. It is supplied to Husqvarna under Manufacturer Part Number (MPN) 503 23 51-08 and is a direct fit for a wide range of Husqvarna chainsaws, brushcutters, trimmers, blowers, and cut-off saws, including models such as the 120 Mark II and 223 L. The hex size is 19 mm (0.75 inches), allowing straightforward fitting with a standard socket. This genuine part is designed for reliability in everyday use and to support long service intervals when maintained correctly.
Key Features:
- Genuine Part: Champion RCJ7Y supplied for Husqvarna under MPN 503 23 51-08
- Reliable ignition for easier cold and hot starts, steady idle, and responsive acceleration
- 19 mm (0.75 inches) hex for simple installation with a common socket
- Built for handheld two-stroke and small four-stroke engines used in outdoor power equipment
- Durable construction to withstand vibration, heat, and fuel residues in demanding conditions
- Consistent performance to help maintain fuel efficiency and reduce misfires
- Designed to match Husqvarna specifications for fit and function across many models
Typical Applications:
For use in Husqvarna handheld equipment used in landscaping, forestry, ground care, and construction. Suitable for chainsaws, brushcutters, grass trimmers, hedge trimmers, leaf blowers, and power cutters. Ideal for routine maintenance to restore reliable starting and smooth running in professional and domestic machines.
Also known as:
Ignition plug, engine spark plug, small engine plug, two-stroke spark plug, petrol spark plug, Champion RCJ7Y plug, Husqvarna spark plug.
Fits Models:
120 Mark II, 120E Mark II, 223 L, 223 R, 223L, 223R, 225 AI 15, 225 AI 25, 225 E, 225 L, 225 LD, 225AI15, 225AI25, 225B, 225BV, 225E, 225H60, 225H75, 225HBV, 225L, 225LD, 225R, 225RD, 225RJ, 227 L, 227 LD, 227L, 227LD, 227R, 227RD, 227RJ, 230, 232 L, 232L, 232R, 232RD, 232RJ, 235FR, 235P, 235R, 235RII, 236, 236E, 240, 240 L, 240E, 240F, 240L, 240R, 240RBD, 240RJ, 242, 245, 245R, 245RX, 246, 24H, 250PS, 250R, 250RX, 252RX, 254, 257, 261, 262XP, 266, 268, 268K, 272K, 3120, 3120XP, 322 C, 322 E, 322 L, 322 T, 322C, 322E, 322L, 322R, 322T, 323 C, 323 E, 323 Ex, 323 L, 323 LD, 323C, 323E, 323Ex, 323L, 323LD, 323R, 323RJ, 323RJX, 325 CX, 325 E, 325 LDx, 325 LXT, 325 Lx, 325 TX, 325CX, 325E, 325HD75 X-Series, 325HS75 X-Series, 325HS99 X-Series, 325LDx, 325LXT, 325Lx, 325RDX, 325RJX, 325RX, 325RXT, 325TX, 333, 334T, 335XPT, 336, 338XPT, 339XP, 340, 340E, 345, 345E, 346XP, 35, 350, 351, 353, 356BF, 356BT, 357XP, 359, 36, 362XP, 371K, 371XP, 375K, 385, 385XP, 40, 41, 42, 45, 49, 51, 55, 55 Rancher, 570, 61, 66, K950, K950 Rescue, K950 Ring, T425
Product Specifications
| L&S Part No. | 503 23 51 08 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503 23 51 08 |
| Unit of Sale | 1 |
| Applications | 120 Mark II, 120E Mark II, 223 L, 223 R, 223L, 223R, 225 AI 15, 225 AI 25, 225 E, 225 L, 225 LD, 225AI15, 225AI25, 225B, 225BV, 225E, 225H60, 225H75, 225HBV, 225L, 225LD, 225R, 225RD, 225RJ, 227 L, 227 LD, 227L, 227LD, 227R, 227RD, 227RJ, 230, 232 L, 232L, 232R, 232RD, 232RJ, 235FR, 235P, 235R, 235RII, 236, 236E, 240, 240 L, 240E, 240F, 240L, 240R, 240RBD, 240RJ, 242, 245, 245R, 245RX, 246, 24H, 250PS, 250R, 250RX, 252RX, 254, 257, 261, 262XP, 266, 268, 268K, 272K, 3120, 3120XP, 322 C, 322 E, 322 L, 322 T, 322C, 322E, 322L, 322R, 322T, 323 C, 323 E, 323 Ex, 323 L, 323 LD, 323C, 323E, 323Ex, 323L, 323LD, 323R, 323RJ, 323RJX, 325 CX, 325 E, 325 LDx, 325 LXT, 325 Lx, 325 TX, 325CX, 325E, 325HD75 X-Series, 325HS75 X-Series, 325HS99 X-Series, 325LDx, 325LXT, 325Lx, 325RDX, 325RJX, 325RX, 325RXT, 325TX, 333, 334T, 335XPT, 336, 338XPT, 339XP, 340, 340E, 345, 345E, 346XP, 35, 350, 351, 353, 356BF, 356BT, 357XP, 359, 36, 362XP, 371K, 371XP, 375K, 385, 385XP, 40, 41, 42, 45, 49, 51, 55, 55 Rancher, 570, 61, 66, K950, K950 Rescue, K950 Ring, T425 |
| Machine Type | Chainsaws, Brushcutters, Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K950 | 340 | 236 | 225H60 | 225H75 | 24H | 325HD75 X-SERIES | 325HS75 X-SERIES | 325HS99 X-SERIES | K950 Rescue | K950 Ring | 120 MARK II | 120E MARK II | 235P | 250PS | 230 | 236E | 240 | 240E | 242 | 246 | 250PS | 254 | 257 | 261 | 262XP | 266 | 268 | 3120 | 3120XP | 333 | 334T | 335XPT | 336 | 338XPT | 339XP | 340E | 345 | 345E | 346XP | 35 | 350 | 351 | 353 | 357XP | 359 | 36 | 362XP | 371XP | 385 | 385XP | 40 | 41 | 42 | 45 | 49 | 51 | 55 | 55 RANCHER | 570 | 61 | 66 | T425 | 268K | 272K | 371K | 223 L | 223 R | 225R | 225RD | 225RJ | 227RD | 227R | 227RJ | 232R | 232RD | 232RJ | 235FR | 235R | 235RII | 240 | 240F | 240R | 240RBD | 240RJ | 245 | 245R | 245RX | 250R | 250RX | 252RX | 322R | 323R | 323RJ | 323RJX | 325RDX | 325RJX | 325RX | 325RXT | 225B | 225BV | 225HBV | 356BF | 356BT | 223 L | 225 E | 225 L | 225 LD | 227 L | 227 LD | 232 L | 240 L | 322 C | 322 E | 322 L | 322 T | 323 C | 323 E | 323 Ex | 323 L | 323 LD | 325 CX | 325 E | 325 LDx | 325 Lx | 325 LXT | 325 TX | 225 AI 25 | 225 AI 15 | 375K |
