Mercury MerCruiser Quicksilver Carrier Assembly 8M0171103
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Mercury MerCruiser / Quicksilver Carrier Assembly – 8M0171103
The Mercury Marine / Quicksilver 8M0171103 Carrier Assembly is a genuine OEM component used in the driveshaft housing and gear assembly of MerCruiser sterndrive systems. It functions as a seal carrier that supports sealing components and helps maintain proper alignment of drivetrain parts while preventing water intrusion and gear oil leaks.
Manufactured to Mercury Marine’s original equipment specifications, this carrier assembly ensures reliable sealing and drivetrain protection for a wide range of MerCruiser sterndrive applications.
Key Features
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Genuine Mercury / Quicksilver OEM carrier assembly
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Supports oil seal and sealing components in the sterndrive housing
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Helps prevent water intrusion and lubricant leakage
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Maintains proper drivetrain alignment and sealing
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Built to withstand marine vibration and harsh operating conditions
Part Details
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OEM Part Number: 8M0171103
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UPC / GTIN: 745061168176
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Product Type: Seal carrier / driveshaft housing component
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Approx. dimensions: 3.88 × 3.88 × 0.75 in (shipping specs)
Compatible Mercury MerCruiser Drives
This carrier assembly is used in numerous MerCruiser sterndrive driveline assemblies, including applications within:
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R / MR sterndrives
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Alpha One sterndrives
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Alpha One Gen II sterndrives
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Certain Vazer drive systems
These drives are commonly installed on MerCruiser sterndrive engines from the 1960s through modern Alpha One Gen II systems, depending on serial number range and configuration.
Function
The carrier assembly holds sealing components in the driveshaft housing, creating a protective barrier that keeps gear oil inside the drive while preventing water from entering the gearcase. Proper sealing is critical to protecting internal gears and bearings from corrosion and damage.
Important Compatibility Note
Sterndrive internal components vary depending on 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.
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.