Upper Housing Oil Seal, Early Serial Range for MerCruiser Alpha One Gen II sterndrives. It seals the rotating upper-drive interface to help retain gear lubricant and exclude water. Use product code REC26-66302 to identify the offered product. It cross-references to MerCruiser 26-66302. Selection warning: Product code REC26-66302 is serial-sensitive around 0M400411 and 0M400412. Confirm the full serial and existing U-joint style. Product specifications Product Upper Housing Oil Seal, Early Serial Range Product code REC26-66302 Assembly area Upper driveshaft housing Key points Product code: REC26-66302 MerCruiser cross-reference: 26-66302 Confirmed application: Alpha One Gen II, serial number 0L100040 and later Assembly area: Upper driveshaft housing Installation and selection context The upper housing oil seal, early serial range under product code REC26-66302 belongs to the upper driveshaft housing. Match the full drive serial number and existing U-joint style. Compatibility and fitment Equipment MerCruiser Alpha One Gen II sterndrive Confirmed range Serial number 0L100040 and later, 1998 onwards Assembly area Upper driveshaft housing Serial selection Up to and including 0M400411 The confirmed application for Upper Housing Oil Seal, Early Serial Range under product code REC26-66302 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 upper housing oil seal, early serial range under product code REC26-66302 against the component being replaced. Match the full drive serial number and existing U-joint style. Part numbers and cross-references Product code REC26-66302 MerCruiser cross-reference 26-66302 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 REC26-66302 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 REC26-66302 replace? It cross-references to MerCruiser 26-66302. Does REC26-66302 fit every MerCruiser Alpha One Gen II drive? The confirmed application for REC26-66302 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 10.