Keep your outboard motor running smoothly on the water with the Sierra 18-5241 condenser, a reliable replacement for the OEM F12181-1 part. This essential ignition component ensures consistent spark delivery, preventing misfires and engine hesitation that can ruin a day of boating. Designed for marine environments, it withstands corrosion, vibration, and moisture better than generic alternatives, helping you maintain peak performance during long outings.
Whether you’re troubleshooting rough idling, hard starting, or weak spark in your vintage or classic outboard, upgrading to this condenser restores factory-level reliability. Boaters trust Sierra parts for their exact-fit engineering and durable construction, making it a go-to choice for DIY mechanics and professional technicians alike.
Perfect Fit for Popular Outboard Models
The Sierra 18-5241 condenser matches the specifications of the original F12181-1, offering seamless compatibility across a range of engines. It’s engineered to bolt in without modifications, saving you time and frustration during repairs.
Chrysler/Force outboards from 9.9HP to 125HP (various years)
Compatible with select Mercury models using similar ignition systems
Fits OMC inline and V4/V6 configurations
Ideal for 2-stroke and early 4-stroke powerheads
Always cross-check your engine’s service manual for precise fitment, but this condenser’s versatile design covers many hard-to-find applications from the 1970s through the 1990s.
Key Features and Performance Advantages
What sets the Sierra 18-5241 apart? It’s built with high-quality materials that resist the harsh marine conditions—salt spray, fuel vapors, and constant humidity—that quickly degrade lesser parts.
Corrosion-Resistant Housing
Epoxy-coated for superior protection against saltwater exposure, extending service life.
