Marine spare part and equipment for Riser screw Mercruiser 10-44387.
Genuine Mercruiser 807988A03 exhaust riser.
Fits 4.3L/LX - 5.0L/LX - 5.7L/LX - 7.4L/LX engines.
To be completed with gasket and 4 screws 5040412.
7.4L/LX models have 3 screws 5040412 and 1 screw 5040413.
Available 3 and 6 inch riser spacer kit needed to adjust exhaust line height.
