Customer Service: info@jlm-marine.com
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Most new, unused items may be returned within 7 days of delivery, subject to our Returns Policy. A 20% processing/restocking fee may apply for returns that are not the result of our error. Original shipping charges are non-refundable.
If the return is due to our mistake (incorrect or defective item), we will cover the return shipping cost and issue a full refund.
EU customers are entitled to a 14-day cooling-off period in accordance with applicable consumer protection regulations. Certain exclusions may apply.
Refunds are issued after the returned item is received and inspected. Processing times may vary depending on shipping transit and payment provider handling, but most refunds are completed promptly.
To request a return, please contact us at info@jlm-marine.com with your order number for return authorization. For full terms, conditions, and exclusions, please refer to our complete Returns & Refunds Policy page.
This marine spark plug wire lead set is designed for a wide range of Johnson, Evinrude, and OMC outboard engines, including various V4 and V6 models from 10 to 235 HP. It serves as a direct replacement, restoring reliable ignition performance.
This set directly replaces Johnson/Evinrude part numbers 582134, 582135, 582365, 777703, 802466, and 802505, as well as aftermarket parts from Sierra, CDI, and Mallory.
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Johnson/Evinrude | 582134 |
| Johnson/Evinrude | 582135 |
| Johnson/Evinrude | 582365 |
| Johnson/Evinrude | 777703 |
| Johnson/Evinrude | 802466 |
| Johnson/Evinrude | 802505 |
| Sierra | 18-8816-1 |
| CDI | 931-2365 |
| Mallory | 9-28005 |
| Mallory | 9-28006 |
Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson Serial Number Guide.
| 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 |
| Specification | Value |
|---|---|
| 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 |
How do I confirm these wires fit my engine?
This set is designed for a broad range of 10-235 HP Johnson, Evinrude, and OMC V4-V6 engines. The most reliable method for confirming fitment is to match your existing part number to those listed in our Part Number Cross-Reference table.
Do I need to modify these wires for installation?
In most cases, these are a direct fit. However, as noted in customer feedback for similar parts, some engine models may require a slight trimming of the spark plug boots to ensure a perfect seat. This can be done carefully with a sharp blade.
What are the signs that my spark plug wires need replacing?
Common symptoms include rough idling, engine misfires (especially under load), difficulty starting, reduced fuel efficiency, or visible damage like cracks, burns, or corrosion on the wires and boots.
OEM vs. Aftermarket?
This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
How fast do you ship and how much does it cost?
We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
What is your warranty and return policy?
This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
Would definitely order again total worth the order great company for marine parts 👍
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