Upper Gear Roller Bearing for 1.62 to 2.40 Ratios for MerCruiser Alpha One Gen II sterndrives. It supports the upper gear on the listed 1.62, 1.81, 1.94, 2.00 and 2.40 ratio drives. Use product code REC31-35990A1 to identify the offered product. It cross-references to MerCruiser 31-35990A1. Selection warning: Use this bearing with the listed 1.62, 1.81, 1.94, 2.00 or 2.40 ratio applications. It is not the listed 1.47-ratio bearing. Product specifications Product Upper Gear Roller Bearing for 1.62 to 2.40 Ratios Product code REC31-35990A1 Assembly area Upper gear and driveshaft assembly Key points Product code: REC31-35990A1 MerCruiser cross-reference: 31-35990A1 Confirmed application: Alpha One Gen II, serial number 0L100040 and later Assembly area: Upper gear and driveshaft assembly Installation and selection context The upper gear roller bearing for 1.62 to 2.40 ratios under product code REC31-35990A1 belongs to the upper gear and driveshaft assembly. Match the drive ratio, bearing reference and installed position. Compatibility and fitment Equipment MerCruiser Alpha One Gen II sterndrive Confirmed range Serial number 0L100040 and later, 1998 onwards Assembly area Upper gear and driveshaft assembly Drive ratio 1.62, 1.81, 1.94, 2.00 or 2.40 The confirmed application for Upper Gear Roller Bearing for 1.62 to 2.40 Ratios under product code REC31-35990A1 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 gear roller bearing for 1.62 to 2.40 ratios under product code REC31-35990A1 against the component being replaced. Match the drive ratio, bearing reference and installed position. Part numbers and cross-references Product code REC31-35990A1 MerCruiser cross-reference 31-35990A1 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 REC31-35990A1 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 REC31-35990A1 replace? It cross-references to MerCruiser 31-35990A1. Does REC31-35990A1 fit every MerCruiser Alpha One Gen II drive? The confirmed application for REC31-35990A1 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 8.
