Mercury MerCruiser Bearing Carrier Retaining Ring 35128
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Mercury MerCruiser Quicksilver 35128 is a genuine OEM retaining ring used in older MerCruiser stern drive assemblies. Current Mercury dealer listings identify it as RING-RETAINING, and current assembly references place part 35128 in the gimbal housing / exhaust hose and related stern drive housing areas as a bearing carrier retaining ring (large), late style.
Key Features
- Genuine Mercury Marine OEM part number 35128.
- Cataloged by current Mercury dealers as RING-RETAINING.
- Current assembly references identify it as RING, RETAINING - BEARING CARRIER (LARGE).
- Marked in current assembly references as late style.
- Current dealer listing shows GTIN 745061137950.
- Current shipping-spec listing shows approximate packaged size of 4.00 x 4.00 x 0.18 in and weight of 0.06 lb.
Engine Compatibility
The strongest supportable fitment for 35128 is older Mercury MerCruiser stern drive housing and propshaft / bearing carrier service, not a broad engine-only application. Current assembly references show it in Alpha One SS 1986–1989, SSM II/III/IV/V 1982–1995, and early IA/IB/IC 1964 plus MerCruiser II 1964–1967 gimbal housing assemblies. Additional current catalog detail places it specifically in the gimbal housing bearing carrier area on late-style early-drive assemblies.
Serial Number Fitment Notice
Verify fitment by exact drive model, serial number, and the correct gimbal housing / bearing carrier diagram before ordering. With 35128, the safest match is the exact housing and bearing-carrier location, because early MerCruiser stern drives use multiple retaining rings in nearby assemblies and the current references distinguish this one as the large, late-style bearing carrier ring.
When This Part Needs Replacement
This retaining ring is typically replaced when it is bent, corroded, fatigued, damaged during disassembly, or no longer holds the bearing carrier securely in place. Because current references place 35128 in the bearing-carrier retention area of the gimbal housing / propshaft assembly, secure fit and correct ring condition matter more than appearance alone. This service guidance is a practical inference from its documented retaining-ring role and assembly location.
Installation Notes
Install 35128 only after confirming the exact Mercury MerCruiser housing diagram for the drive being serviced. Current assembly references place it in the gimbal housing assembly and exhaust hose area on early drives and in gear housing assembly (propshaft) service on racing / performance stern drives, so the exact diagram and style break should be checked before reassembly.
Alternate/Superseded Part Numbers
Current sources reviewed show 35128 as the active Mercury OEM reference for this retaining ring. The sources checked did not show a clearly supported newer Mercury superseding part number for this item.
Parts Desk Insight
This is a good example of why the SKU should lead the listing. Part 35128 is more specific than the generic “retaining ring” label, because current assembly references tie it to the bearing carrier / gimbal housing service area and identify it as the large, late-style version. Matching by exact drive diagram is the safer move than ordering by part name alone.
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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
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