Sierra 18-5159 Ignition Coil Fits Mercury Mercruiser 740344 OEM# 339-883778A01 thermostat This 2 bolt whip skeg

This 2 bolt whip skeg mounts on the underside of the hull at the point where the shaft passes through the hull to give extra support midway through the shaft

Ideally mounts into an existing skeg bolt hole

Easy to maintain

• All Crossovers are manufactured out of T-316 stainless

Sierra 18-5159 Ignition Coil Fits Mercury Mercruiser 740344 OEM# 339-883778A01 thermostat This 2 bolt whip skegCompatible Brand: Fits Mercury, Fits Mercruiser Number: 740344 Replaces: 339 8M0077473, 339 883778A02, 339 883778A01For Outboard Motor: 1650 (0M965309 Up) 1550 (0M973231 Up) 1100 (0M965965 Up) 1350 (0M965309 Up) 110 Jet (2. 5L) (1B690542 Up) 150 Pro XS (2. 5L) (1B690542 Up) 200 (DFI) 3. 0L (1B504989 Up) 200 (3. 0L DFI)(DTS) (1B504989 Up) 200 Pro XS (DFI) 3. 0L (1B504989 Up) 225 (DFI) 3. 0L (1B504989 Up) 225 (3. 0L DFI)(DTS) (1B504989 Up) 250 (DFI) 3.