Mercury MerCruiser Alpha One Gen II Bearing Carrier Assembly 14587A7
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Mercury / MerCruiser Quicksilver Carrier Assembly — 14587A7
The Mercury Quicksilver 14587A7 Carrier Assembly is a genuine OEM bearing carrier assembly used in the lower unit of certain MerCruiser sterndrives. It supports and aligns the propeller shaft bearings and seals, ensuring smooth rotation of the propeller shaft and proper gearcase operation.
Key Details
Part Number: 14587A7
Component Type: Bearing carrier assembly
Location: Sterndrive lower unit / gearcase
OEM Brand: Mercury Marine / Quicksilver
Status: No longer produced (NLA) in many catalogs
Compatible Drives
Commonly used on:
MerCruiser Alpha One Gen II sterndrives
Certain 1991–1995 Alpha One Gen II drive units depending on serial range
What the Carrier Assembly Does
The bearing carrier is a critical internal component of the sterndrive gearcase.
Its functions include:
Supporting the propeller shaft bearings
Keeping the prop shaft properly aligned inside the gearcase
Holding oil seals and internal components in position
Allowing the prop shaft to rotate smoothly under load
Without a properly functioning carrier assembly, the prop shaft can develop excess play, seal leaks, or gear damage.
Typical Service Situations
The carrier assembly is usually replaced during:
Lower unit rebuilds
Prop shaft bearing failures
Gearcase damage from impact or water intrusion
Removal normally requires a special bearing carrier puller tool due to corrosion and tight fit in the gear housing.
⚠️ Fitment Tip:
Always confirm compatibility using the sterndrive serial number. Alpha drives have multiple carrier designs depending on gear ratio, model year, and drive generation.
Note: This part may have limited availability (NLA - No Longer Available from manufacturer). Contact us to confirm current stock status.
Shipping: Ships same or next day for fast Canada wide shipping.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.