Outboard Maintenance Kit – Fits Mercury/Mariner 4-6 HP 4-Stroke (Replaces 8M0120836, 3GR-87500-0) 155HP and Sierra 18-7911-1 parts

and Sierra 18-7911-1 parts

Common signs include a weak or non-existent water stream from the "telltale" outlet

1 x Wear Plate (85083)

1 x O-Ring (25-35027 O-RING 1

Confirm your trailer compatibility in the table below

Outboard Maintenance Kit – Fits Mercury/Mariner 4-6 HP 4-Stroke (Replaces 8M0120836, 3GR-87500-0) 155HP and Sierra 18-7911-1 partsProduct Details This Outboard Maintenance Kit Fits Mercury Mariner 4 6 HP 4 Stroke (Replaces 8M0120836, 3GR 87500 0) contains essential components for performing routine 300 hour service on Mercury and Mariner 4HP, 5HP, and 6HP 4 Stroke outboard motors (serial numbers 0R411838 and above). It serves as a direct aftermarket replacement for Mercury Mariner part numbers 8M0120836 and 3GR 87500 0. Complete kit for scheduled 300 hour outboard service