6" Spark Plug Wire Lead Set – Fits Johnson/Evinrude/OMC V4-V6 10-235 HP (Replaces 582365, 18-8816-1)
6" Spark Plug Wire Lead Set – Fits Johnson/Evinrude/OMC V4-V6 10-235 HP (Replaces 582365, 18-8816-1) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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6" Spark Plug Wire Lead Set – Fits Johnson/Evinrude/OMC V4-V6 ...
6" Spark Plug Wire Lead Set – Fits Johnson/Evinrude/OMC V4-V6 10-235 HP (Replaces 582365, 18-8816-1) is backordered and will ship as soon as it is back in stock.
Product Details
This 6" Marine Spark Plug Wire Lead Set is engineered for various Johnson/Evinrude/OMC outboard engines, typically in V4-V6 configurations ranging from 10 to 235 HP. Made with a high-quality silicone housing and a stainless steel conductor, these wires provide excellent conductivity and resistance to heat and corrosion.
These leads are direct replacements for Johnson/Evinrude part numbers 582134, 582135, 582365, 777703, 802466, 802505; Sierra 18-8816-1; CDI 931-2365; and Mallory 9-28005, 9-28006.
- Engineered for a direct fit from the coil to the spark plug.
- Designed to resist corrosion, high temperatures, and electrical interference.
- The package includes four spark plug wire leads for a complete service.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Johnson/Evinrude | 582134, 582135, 582365, 777703, 802466, 802505 |
| Sierra | 18-8816-1 |
| CDI | 931-2365 |
| Mallory | 9-28005, 9-28006 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Johnson/Evinrude/OMC: These wires are primarily used on various V4-V6 outboard motors. Always verify your OEM part number before ordering.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Johnson/Evinrude | V4-V6 | 10-235 HP | 2-Stroke | 582365 | Used on various V4-V6 outboard motors |
Technical Specs
- Product Type
- Spark Plug Wire Lead
- Installation
- Direct fit
- Fuel Type
- Gasoline
- Connection
- Coil-to-spark plug
- Housing Material
- Silicone with stainless steel conductor
- Housing Color
- Blue/Black (varies by manufacturer)
- Dimensions
- Length: 6" (152.4 mm)
- Weight
- 0.19 kg (0.42 lb)
- Other Technical Attributes
- Corrosion resistant, high temperature resistant, high conductivity
What’s in the Box
- 4 x Spark Plug Wire Leads (582365/18-8816-1)
Installation Notes
- Ensure the engine is off and completely cool before starting.
- Disconnect the negative battery terminal for safety.
- To avoid mix-ups, label and replace one wire at a time. Remove the old wire by twisting and pulling the boot, then firmly press the new wire onto the spark plug and coil until it clicks into place.
- Based on customer feedback, the boots on these replacement wires may require slight trimming to ensure a perfect, snug fit on certain engine models.
- Once all wires are replaced, reconnect the battery terminal and start the engine to check for smooth operation.
Troubleshooting & FAQ
How can I confirm these wires fit my specific engine model?
These wires are designed for a wide range of Johnson/Evinrude/OMC V4-V6 engines (10-235 HP). The most reliable method is to cross-reference your existing part number with the numbers in our Part Number Matrix. Also, compare the 6" length and boot shape to your current wires.
Do I need to cut or modify these wires for installation?
The wires themselves should not be cut. However, for some specific engine models, the rubber boots may need to be trimmed slightly to ensure a perfect seal on the distributor or coil pack. This is a common adjustment for aftermarket parts serving multiple models.
What are the signs of failing spark plug wires?
Common symptoms include noticeable engine misfires (especially under load), rough idling, a drop in fuel efficiency, poor acceleration, or an illuminated check engine light. A visual inspection may also reveal cracks, burns, or corrosion on the wire casing or terminals.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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