RPS Ignition Coil for GM Marine Engines | MerCruiser, Volvo Penta, OMC 3.0L–8.2L Replaces OEM
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Description
xUnlock reliable spark for GM-based marine engines
The RPS ignition coil is engineered to pair with a wide range of GM-based marine powerplants, from compact 3.0L models to the bigger 8.2L configurations. It offers a direct OEM replacement experience, designed to slot into MerCruiser, Volvo Penta, OMC, and Crusader installations with minimal fuss. This coil helps maintain consistent ignition quality across varied operating conditions, translating to steadier starts and smoother transitions between throttle settings.
Why this coil stands out
- WIDE COMPATIBILITY: Fits GM-based marine engines including 3.0L, 4.3L, 5.0L, 5.7L, 7.4L, 8.1L, and 8.2L from MerCruiser, Volvo Penta, OMC, and Crusader.
- DIRECT OEM REPLACEMENT: Engineered to meet or exceed original specs; replaces Mercury/Quicksilver 817378T, 898253T27, Volvo 3854002/7, OMC 986644, Crusader 7243200.
- DELCO EST SYSTEM: Specifically designed for engines using Delco Electronic Spark Timing (EST) or HEI ignition for reliable, high-voltage spark delivery.
- HEAVY-DUTY CONSTRUCTION: Brass terminal and robust windings resist corrosion, ensuring long-term durability in salty marine environments.
- EASY INSTALLATION: Standard 12V coil with bracket mounting holes for a precise fit; cross-references Sierra 18-5443 and Mallory 9-29708.
Real-world use often means a simple swap in a weekend project or routine maintenance, followed by confident starts on open water. The coil’s design emphasizes durability and compatibility, offering a practical upgrade without altering your engine’s electrical system.
What to expect on the water
You may notice steadier ignition across RPM ranges, improved throttle response, and reduced risk of misfires in harsh conditions. While outcomes can vary with setup, many operators appreciate the reliability this coil aims to provide.
FAQ
Q: What engines is this ignition coil compatible with?
A: It fits many GM-based marine engines including MerCruiser, Volvo Penta, OMC, and Crusader models from 3.0L to 8.2L.
Q: Does this coil replace OEM part numbers?
A: Yes, it is designed as a direct replacement for several OEM references like Mercury 817378T and Volvo 3854002, with Delco EST/HEI system compatibility.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
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.
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