Sierra 18-5159 Ignition Coil Fits Mercury Mercruiser 740344 OEM# 339-883778A01 arm Alloy 4 Bolt Square Base

Alloy 4 Bolt Square Base Rudder Gland

pictured with riser (not included)

approx 138mm ID

incorporated in snap on mounting brackets

Suit velvet drive

Sierra 18-5159 Ignition Coil Fits Mercury Mercruiser 740344 OEM# 339-883778A01 arm Alloy 4 Bolt Square BaseCompatible 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.