Spark Plug Ignition Coil Wires – Fits Johnson/Evinrude V4-V6 10-235 HP (Replaces 582365, 18-8818)
Spark Plug Ignition Coil Wires – Fits Johnson/Evinrude V4-V6 10-235 HP (Replaces 582365, 18-8818) is backordered and will ship as soon as it is back in stock.
Worry-free returns
Worry-free returns
Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.
If the return is due to our error or a defective item, we’ll make it right.
Please contact us before returning any item.
Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Spark Plug Ignition Coil Wires – Fits Johnson/Evinrude V4-V6 10-235...
Spark Plug Ignition Coil Wires – Fits Johnson/Evinrude V4-V6 10-235 HP (Replaces 582365, 18-8818) is backordered and will ship as soon as it is back in stock.
Product Details
These 12" Spark Plug Ignition Coil Wires are designed for a wide range of Johnson and Evinrude V4 and V6 outboard engines from 10 to 235 HP, primarily covering models from the 1980s and 1990s. They provide a reliable, high-performance connection between the ignition coil and spark plug, ensuring efficient engine operation.
This kit serves as a direct interchange for Johnson/Evinrude part numbers 582134, 582135, 582365, 777703, 802466, and 802505, as well as aftermarket equivalents from CDI (931-2365), Mallory (9-28005, 9-28006), and Sierra (18-8818).
- Designed for direct OEM-replacement installation.
- Constructed with a silicone housing and stainless steel conductors for high-temperature protection.
- Includes a complete set of four wires for convenient replacement.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Johnson/Evinrude | 582134 |
| Johnson/Evinrude | 582135 |
| Johnson/Evinrude | 582365 |
| Johnson/Evinrude | 777703 |
| Johnson/Evinrude | 802466 |
| Johnson/Evinrude | 802505 |
| CDI | 931-2365 |
| Mallory | 9-28005 |
| Mallory | 9-28006 |
| Sierra | 18-8818 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Fitment information is based on manufacturer cross-references for Johnson/Evinrude outboards. Always verify your specific OEM part number before ordering.
| Brand | Model | Rated HP | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Johnson/Evinrude | V4/V6 CROSSFLOW | 90-235 | 1980s–1990s | 582365 | Fits most Johnson Evinrude 90/100/115/120/125/130/135/140/150/155/175/185/200/235 HP |
| Johnson/Evinrude | Small Outboards | 10-75 | 582365 | Fits Johnson Evinrude 10/15/20/25/30/40/45/50/55/60/65/70/75 HP |
Technical Specs
- Product Type
- Spark Plug Ignition Coil Wires
- Installation
- Direct OEM replacement
- Fuel Type
- Gasoline
- Connection
- Spark plug end and ignition coil end
- Housing Material
- Silicone with stainless steel conductors
- Housing Color
- Black with red stripe
- Dimensions
- 12 inches (304.8 mm) length
- Fitting Type
- OEM-compatible spark plug and coil ends
- Other Technical Attributes
- High-temperature protection, maximizes engine performance
What’s in the Box
- 4 x 12" Spark Plug Ignition Coil Wires (18-8818/582365)
Installation Notes
- Disconnect the boat's battery to prevent electrical hazards.
- Label each existing spark plug wire with its corresponding cylinder number before removal.
- Replace one wire at a time to avoid mixing up cylinder connections. Gently twist and pull the boot to remove the old wire from the spark plug and ignition coil.
- Lightly apply dielectric grease to the inside of the new wire's boots for better sealing and easier future removal.
- Firmly press the new wire's boots onto the spark plug and ignition coil until you feel them click into place.
- Ensure each wire is routed correctly and safely away from hot or moving engine parts.
- After replacing all wires, reconnect the battery and start the engine to test for smooth operation.
Troubleshooting & FAQ
How do I know if these wires fit my engine?
The best way to confirm fitment is to match your existing part number to one of the equivalents listed in our Part Number Matrix. While these wires fit a broad range of Johnson/Evinrude models, checking the part number is the most reliable method.
What are the signs of failing ignition wires?
Common symptoms include engine misfires (especially under load), rough idling, reduced power, poor fuel economy, and visible signs of wear on the wires themselves, such as cracks, burns, or corrosion on the terminals.
Can I cut these wires to a shorter length?
No. These wires are designed to a specific length and resistance. Cutting them will alter their performance and can lead to engine issues or premature failure. Order the correct length for your application.
How often should I replace ignition coil wires?
There is no fixed interval, but it's good practice to inspect them annually for signs of wear or damage. Many mechanics recommend replacement every 3-5 years or as part of a major tune-up, depending on usage and operating conditions.
Is there a difference between these and original OEM wires?
Functionally, these are designed to perform identically to the original equipment. They are made with high-quality silicone and stainless steel conductors to meet or exceed OEM specifications for conductivity and heat resistance.
Will these work for both 2-stroke and 4-stroke engines?
These wires are primarily designed for the 2-stroke V4 and V6 Johnson/Evinrude engines common from the 1980s and 1990s. Always verify your specific model's part number to ensure compatibility.
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.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
