Total Price:
Add to CartSierra 18-5186 Ignition Coil is a replacement part for use on Mercury, Chrysler and Force Outboard engines. All Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements.
Interchangeable with:
For Use On Engine Models:
What is the Sierra 18-5186 Ignition Coil used for?
The Sierra 18-5186 Ignition Coil is a replacement ignition coil for select Mercury, Chrysler, and Force outboard engines. It is also listed for certain Mercury Race Outboard and Mercury Sport Jet applications. Sierra states that its aftermarket engine parts are manufactured to meet or exceed OEM requirements.
What Mercury outboard engines does the Sierra 18-5186 Ignition Coil fit?
The Sierra 18-5186 fits numerous Mercury applications, including select 6hp through 140hp outboards, as well as certain Jet, Sail Power, Mariner, and V-135/V-150 models. Fitment varies by engine model and serial number, so verify your specific model and serial-number range before ordering.
Does the Sierra 18-5186 Ignition Coil fit Chrysler and Force outboards?
Yes. The Sierra 18-5186 is listed for Chrysler and Force applications including 40/50hp, 70hp, 90hp, 120hp, 120 Sport Jet, and 150hp models within the specified model-year and serial-number ranges. Check the listed application information against your engine before selecting this replacement ignition coil.
What part numbers are interchangeable with the Sierra 18-5186 Ignition Coil?
The Sierra 18-5186 is interchangeable with numerous listed part numbers, including Chrysler/Force/US Marine 339-7370A23 and F718475, Mallory 9-23200, and multiple Mercury Marine numbers such as 338-4774A1, 338-4995A1, 339-7370A23, and 339-832757A4.
Is the Sierra 18-5186 Ignition Coil compatible with Mercury Race Outboard and Sport Jet applications?
Yes. The product description specifically lists Mercury Race Outboard applications with part numbers 339-7370A13 and 339-832757A4, and Mercury Sport Jet application part number 339-832757A4. Confirm the applicable part number and engine information before using the coil.
How do I verify that the Sierra 18-5186 Ignition Coil fits my outboard?
Verify your engine's manufacturer, model, horsepower, and serial number against the application information provided for the Sierra 18-5186. The listed fitment covers many Mercury, Chrysler, Force, Mariner, and Sport Jet applications with specific serial-number ranges. You can also compare your existing part number with the listed interchangeable numbers.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-5158 Mercury Ignition Coil Sierra replacement ignition coil for Mercury Outboards, Mercury Race Outboards, and Mercury Race Stern Drives. High quality brass secondary post for superior...
Sierra 18-5159 Mercury Ignition Coil Sierra replacement ignition coil for Mercury Outboards, Mercury Race Outboards, Mercury Race Stern Drives, and Mercury Sport Jet engines. High quality brass...
Sierra 18-5187 Mercury Ignition Coil Sierra high-quality engine parts are designed to meet OEM specifications. For Mariner 200 DFI, 225 DFI, V135 DFI (2.5L), V150DFI (2.5L) For Mercury 3.0...
Sierra 18-5166 Ignition Coil Sierra 18-5166 Ignition Coil is a replacement part for Nissan/Tohatsu engines. All Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements...
