The Champion RC14YC 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 RC14YC 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 0.9 mm (0.035 inches) spark plug gap.
General informational
| Specifications | |
| Spark plug model | Champion RC14YC (Part Number: 431) |
| Thread size | 14.0 mm (0.55 in) |
| Thread pitch | 1.25 mm (0.050 in) |
| Reach | 19.0 mm (0.75 in) |
| HEX size | 16.0 mm (0.629 in) |
| Seat type | Gasket |
| Terminal type | Solid |
| Resistor | Yes |
| Resistor type | SAC9 |
| Heat range | 14 |
| 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) |
| Gap | 1.0 mm (0.039 in) |
| Longevity | 32,000 km (20,000 miles) |
| Center electrode | |
| Material | Nickel |
| Type | Standard |
| Size | 2.5 mm (0.098 in) |
| Projection | Projected |
| Ground electrode | |
| Material | Nickel |
| Type | Standard |
| Quantity | 1 |
| Tip design | J Gap |
| Skirt | No |
Equivalents and alternatives
| Champion RC14YC cross reference to | |
| Accel | |
| 416 | |
| ACDelco | |
| 41-602, 41-603, 41-618, 41-628, 41-808, 41-831, 41603, 41618, 41628, 41808, 41831, 5, AC5, FR3LS, FR4LS, FR4LSJ, FR5LM, FR5LS | |
| Autolite | |
| 3923, 3924, 3926, 3927, 5184, 5503, AP3924, AP5184, XST3926 | |
| Beck Arnley | |
| 176-5222, 176-5232, 176-5269, 176-9064 | |
| Beru | |
| 14F-8DU, 14FR-8DU | |
| Bosch | |
| +6, 0242219532, F7DC, F8DC, FR10DC, FR10DCX, FR7DC, FR8DC, stk 7527, stk 7554, stk 7555, stk 7560 | |
| Briggs & Stratton | |
| 496018, 496018S, 5092 | |
| Brisk | |
| D17Y | |
| Brisk | |
| D17Y | |
| Champion | |
| 431, RC14YC/012, RC14YC/051, stk 431 | |
| Denso | |
| 3191, K16PR-U, K20PR-U, Q14R-U11, Q14RU11, Q16PR-U, Q16PR-U11, Q16PR-U15, Q16PRU, Q16TT, Iridium IQ16, Iridium stk 5301, stk 3145, stk 5016, stk 5017 | |
| Eyquem | |
| FC42LS | |
| General Motors | |
| 25164643, 5613716, 5613796, 5614106, 5614285 | |
| Hirih | |
| H14K4RTC, H14K4RTC10 | |
| Honda | |
| 98079-55158 | |
| Iskra | |
| SFE55PRS | |
| Kohler | |
| 6613201, 6613201S | |
| Mopar | |
| 4609079 | |
| Motorcraft | |
| AGS44, AGSP32C, AGSP52C, AGSP52CF6, stk 21, stk 24, stk 6 | |
| Newstar | |
| K4RTC, K4RTC-10, K4RTC10 | |
| NGK | |
| 09-06-04, 09-06-05, 1086, 1667, 2351, 2378, 2460, 7938, BCP4ES, BCP4ES-11, BCPR4E, BCPR4E-11, BCPR4ES, BCPR4ES-11, BCPR4EY, BCPR4EY-11, BCPR5ES, BCPR5EY-11, NGK BKR4E, BKR4EVX, BKR5E, BKR5ES, BKR5ES-11, FR45, FR5, V-line-35, stk 2382, stk 2441, stk 3686, stk 4120, stk 5155, stk 6130, stk 7373, stk 7938 | |
| Splitfire | |
| SF292D6, SF392D | |
| Torch | |
| K5RTC, K5RTV | |
| Toyota | |
| 90919-01170 | |
| Unipart | |
| GSP2022 | |
| Valeo | |
| 246855 | |
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