GENUINE MERCURY REPLACEMENT PART
SPARK PLUG
Part no. 813421
Check compatibility first.
The model name alone may not be enough; the same model uses different parts across serial ranges.
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What does this part do?
Ignites the fuel-air mixture in the cylinder. Worn plugs cause hard starting and misfires; inspect every 100 hours, replace as a set every 300 hours.
- Brand
- Mercury Marine
- Product group
- Spark Plugs
- Part number
- 813421
- Menşei
- JP
- Paket adedi
- 1.0
- Tehlike kodu
- 0.0
- Sınıf
- 33.0
- Mercury durumu
- SS
- Paket ağırlığı
- .813 LBS (0.37 kg)
- Yükseklik
- 1.75 IN (4.4 cm)
KNOW THE PART BETTER
Make the choice clear.
For spark plugs the engine name is not enough; the exact part code and gap (e.g. 0.8 mm) come from the manual. Quantity equals the cylinder count.
Explore inside the engineHave this ready when asking for a quote
Engine serial number, the code on the current plug and the cylinder count.
Used on these engines
- 600 SC Bobtail — Distributor And Ignition ComponentsPos. 19 · qty 8 · go to diagram →
- 800 SC (GEN. V) GM 572 V-8 — DISTRIBUTOR AND IGNITION COMPONENTSPos. 20 · qty 8 · go to diagram →
- 600 SC GEN IV & V GM 502 V-8 — DISTRIBUTOR AND IGNITION COMPONENTSPos. 19 · qty 8 · go to diagram →