Description

Mercury MerCruiser / Quicksilver Carrier Assembly – 66081A2

Restore proper drivetrain sealing and alignment with the genuine Mercury Marine / Quicksilver 66081A2 Carrier Assembly. This OEM U-joint / yoke seal carrier assembly is installed in the driveshaft housing of MerCruiser sterndrive systems, supporting seals and helping protect internal components from water intrusion.

Manufactured to Mercury Marine’s original equipment specifications, the carrier assembly maintains proper sealing around the driveshaft area and supports the oil seal components that protect the sterndrive gear housing.

---

Key Features

• Genuine Mercury / Quicksilver OEM carrier assembly

• Supports U-joint / driveshaft oil seal components

• Helps prevent water intrusion into the sterndrive housing

• Maintains proper driveline alignment and sealing

• Designed for MerCruiser sterndrive drive-shaft housings

---

Replaces / Cross Reference

• Mercury 66081A2

• Mercury 8M0171103 (updated part number)

• Sierra 18-0577

• Mallory 9-78100

• GLM 28370

---

Compatible Mercury MerCruiser Drives

Commonly used on MerCruiser sterndrive systems, including:

• MC-1 drives

• R / MR sterndrives

• Alpha One sterndrives

• Alpha One Gen II sterndrives

These drives were installed on many MerCruiser V6 and V8 engines from the 1960s through modern Alpha One Gen II systems, depending on serial number range.

---

Function in the Sterndrive

The carrier assembly sits in the driveshaft housing and holds the oil seal and bearing support components that protect the sterndrive from water entry while maintaining proper alignment of the driveline.

---

Important Compatibility Note

Sterndrive components vary by drive model, production year, and serial number range. Always verify compatibility using the engine or sterndrive serial number before ordering to ensure the correct replacement part.

Shipping: Ships same or next day for fast Canada wide shipping.