Gear Oil Drain Screw Washer for MerCruiser Alpha One Gen II sterndrives. It seals beneath the drain or fill screw to help prevent gear-lubricant leakage. Use product code REC12-191833 to identify the offered product. It cross-references to MerCruiser 12-191833. Selection warning: Match product code REC12-191833 and its OEM cross-reference to the part being replaced. Confirm the drive serial number and assembly before ordering. Product specifications Product Gear Oil Drain Screw Washer Product code REC12-191833 Assembly area Gear-lubricant drain and fill point Key points Product code: REC12-191833 MerCruiser cross-reference: 12-191833 Confirmed application: Alpha One Gen II, serial number 0L100040 and later Assembly area: Gear-lubricant drain and fill point Installation and selection context The gear oil drain screw washer under product code REC12-191833 belongs to the gear-lubricant drain and fill point. Match the product code, OEM reference, drive serial number and assembly position. Compatibility and fitment Equipment MerCruiser Alpha One Gen II sterndrive Confirmed range Serial number 0L100040 and later, 1998 onwards Assembly area Gear-lubricant drain and fill point The confirmed application for Gear Oil Drain Screw Washer under product code REC12-191833 is the drive and serial scope shown above. The product may have other applications where the same product code and cross-reference are independently confirmed. What to check before ordering Confirm the gear oil drain screw washer under product code REC12-191833 against the component being replaced. Match the product code, OEM reference, drive serial number and assembly position. Part numbers and cross-references Product code REC12-191833 MerCruiser cross-reference 12-191833 OEM references are provided for identification. A cross-reference does not mean the item is supplied as a genuine OEM product. Before ordering Confirm the sterndrive model and full serial number. Check product code REC12-191833 and every recorded MerCruiser cross-reference. Apply the ratio, side, material or serial-break instruction where one is stated. Compare the replacement part with the component being removed. Contact TMP Global with the drive serial and photographs if any identifier differs. Frequently asked questions What does REC12-191833 replace? It cross-references to MerCruiser 12-191833. Does REC12-191833 fit every MerCruiser Alpha One Gen II drive? The confirmed application for REC12-191833 covered here is the MerCruiser Alpha One Gen II upper driveshaft housing for serial number 0L100040 and later. For an earlier drive or another assembly, match the product code, OEM reference and technical data before ordering. Where can I see this part in the exploded diagram assembly? View the MerCruiser Alpha One Gen II upper driveshaft housing exploded diagram and locate reference 12.