Upper Drive Shaft for MerCruiser Alpha One Gen II | 45-557961

Upper Drive Shaft for MerCruiser Alpha One Gen II sterndrives. It transmits drive through the upper unit between the gear set and the U-joint assembly. Use product code REC45-557961 to identify the offered product. It cross-references to MerCruiser 45-557961.

Selection warning: Match product code REC45-557961 and its OEM cross-reference to the part being replaced. Confirm the drive serial number and assembly before ordering.

Product specifications

Key points

• Product code: REC45-557961
• MerCruiser cross-reference: 45-557961
• Confirmed application: Alpha One Gen II, serial number 0L100040 and later
• Assembly area: Upper gear and driveshaft assembly

Installation and selection context

The upper drive shaft under product code REC45-557961 belongs to the upper gear and driveshaft assembly. Match the product code, OEM reference, drive serial number and assembly position.

Compatibility and fitment

The confirmed application for Upper Drive Shaft under product code REC45-557961 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 drive shaft under product code REC45-557961 against the component being replaced. Match the product code, OEM reference, drive serial number and assembly position.

Part numbers and cross-references

OEM references are provided for identification. A cross-reference does not mean the item is supplied as a genuine OEM product.

Before ordering

1. Confirm the sterndrive model and full serial number.
2. Check product code REC45-557961 and every recorded MerCruiser cross-reference.
3. Apply the ratio, side, material or serial-break instruction where one is stated.
4. Compare the replacement part with the component being removed.
5. Contact TMP Global with the drive serial and photographs if any identifier differs.

Frequently asked questions

What does REC45-557961 replace?

It cross-references to MerCruiser 45-557961.

Does REC45-557961 fit every MerCruiser Alpha One Gen II drive?

The confirmed application for REC45-557961 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 6.