Lower Unit Drain Screw Gasket – Fits Mercury/Mercruiser All HP (Replaces 12-19183-3, 12-19183K02, 12-19183Q02) 12.5HP 0L Bravo 4-Stroke 2000–2004 57-865615-003

0L Bravo 4-Stroke 2000–2004 57-865615-003 s/n from OL619000 MerCruiser 5

high-quality marine gear lubricant according to manufacturer recommendations

and water pump base thoroughly

tightening the bolts in a star pattern to ensure an even seal

Insert it at least 6 inches down the drain

Lower Unit Drain Screw Gasket – Fits Mercury/Mercruiser All HP (Replaces 12-19183-3, 12-19183K02, 12-19183Q02) 12.5HP 0L Bravo 4-Stroke 2000–2004 57-865615-003Product Details This Lower Unit Drain Screw Gasket is designed for a secure, leak free seal on Mercury Marine outboard and MerCruiser stern drive engines. It fits all horsepower models that are equipped with standard 3 8 16 drain and fill screws, ensuring reliable performance and protection for your gearcase. It serves as a direct replacement for multiple OEM and aftermarket parts, including Mercury Marine 12 19183 3, 12 19183K02, 12 19183Q02, and