Ignition Coil 339-856991A1 339-850227 for Mercury Motor Optimax Sport Jet
- OEM Part Number
- 339-856991A1, 339-850227, 18-5187, 339856991A1, 339850227, 185187
- Brand
- For Mercury
- Application
- EFI 200, EFI 225, Optimax 135, Optimax 150, Optimax 175, Sport Jet 250
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Qualifying new parts include 1-year coverage. Review the Warranty Policy section for coverage details, claim steps, and exclusions.
Eligible orders may qualify for returns within 90 days. See the Easy Return Policy section for conditions and next steps.
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Description
Compatibility & Specifications
| Model Number | EFI 200, EFI 225, Optimax 135, Optimax 150, Optimax 175, Sport Jet 250 |
| Compatible Model Brand | For Mercury |
| Compatible Engine Brand | For Mercury |
| original | 339-856991A1, 339-850227, 18-5187, 339856991A1, 339850227, 185187 |
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Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Ignition Coil 339-856991A1 339-850227 for Mercury Motor Optimax Sport Jet (SKU: ESY54640).
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Warranty Policy
Every new aftermarket part from us includes a 1-year warranty. Full terms, coverage, and how to make a claim: Warranty Assistance.
We ship to customers around the world. Orders are sent with our standard courier service—trackable, dependable, and easy to work with. On this product page, use Get Estimate under the price to see shipping cost and estimated delivery for your location. For destinations, rules, and full details, read our Shipping Policy Details.
We want you to be confident in your order. If you are not satisfied, you may qualify for a return or refund within 90 days, subject to conditions. See our Easy Return Policy for eligibility, steps, and exceptions.