CDI 114-7509 CDM Module | Mercury/Mariner/Force
CDI 114-7509 CDM Module | Mercury/Mariner/Force
CDI Electronics
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CDI 114-7509 — CDM Module | Mercury/Mariner/Force
CDI Electronics 114-7509 (also sold as Sierra 18-99161) is a high performance replacement CDM module for many different 2, 3, 4, and 6 cylinder Mercury, Mariner, and Force outboard engines. Replaces Mercury 827509A1, 827509A3, 827509A4, 827509A7, 827509A9, 827509A10, and 827509T7.
Part Specifications
- CDI Part Number: 114-7509 (Sierra 18-99161)
- Type: CDM module
- Application: Mercury/Mariner/Force 30 HP 2-cylinder (1996-2006, SN 0G380075-0T979999); 30 HP 3-cylinder (1998-2001, SN 0G590000-0T999999); 40 HP 2-cylinder (1996-2005, SN 0G380075-0T999999); 100 HP 4-cylinder (1996-2000, SN 0G438000-0G965520); 200 HP 6-cylinder (2000-2005, SN 0G960500-1B226999); and many additional models not listed here
- Replaces: Mercury 827509A1, 827509A3, 827509A4, 827509A7, 827509A9, 827509A10, 827509T7
Confirm Fitment Before Ordering
This module fits a wide range of Mercury, Mariner, and Force engines beyond what's listed above. Give us your engine model, HP, and serial number and we'll confirm it for you before you order — by email, text, or live chat.
Additional Information
- Vendor: CDI Electronics
- Part Number: 114-7509
- OEM Cross-Reference: Sierra 18-99161; replaces Mercury 827509A1, 827509A3, 827509A4, 827509A7, 827509A9, 827509A10, 827509T7
Installation Notes
Install following the applicable Mercury/Mariner/Force outboard service manual for your engine model, HP, and serial number range.
Frequently Asked Questions
Q: How do I confirm this CDM module fits my outboard?
A: Send us your Mercury, Mariner, or Force engine model, HP, and serial number and we'll confirm 114-7509 is the correct CDM module for your engine — by email, text, or live chat.
Q: My engine model isn't listed in the specifications — does this still fit?
A: It might. This module fits many additional models beyond what's listed. Contact us with your engine details and we'll verify application for you.
Q: What does a CDM module do?
A: The CDM (capacitor discharge module) controls ignition timing and spark delivery for the engine's cylinders. A failing CDM module commonly causes misfires, hard starting, or a no-spark condition.
Q: Is this the same as Sierra 18-99161?
A: Yes, CDI 114-7509 and Sierra 18-99161 are the same CDM module under different part numbers.
Q: What Mercury part numbers does this replace?
A: It replaces Mercury 827509A1, 827509A3, 827509A4, 827509A7, 827509A9, 827509A10, and 827509T7.
! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.