Mercury MerCruiser — Bell Housing Bushing & Seal Kit — 805041A2
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Mercury MerCruiser Bell Housing Bushing & Seal Kit 805041A2
The Mercury MerCruiser 805041A2 is a genuine OEM bell-housing bushing and oil-seal kit used in the shift-shaft area of select MerCruiser sterndrives. It renews the bushing/sealing interface where the shift shaft passes through the bell housing, helping maintain proper shaft support and sealing.
Compatible Applications
- MerCruiser R / MR
- Alpha One
- Early Alpha One Gen II applications
- Applicable Gen II drives through serial 0F094774
Later Alpha One Gen II configurations use a different shift-shaft bushing/seal arrangement (kit 806036A1). Confirm your sterndrive serial number before ordering; 805041A2 applies to earlier R/MR, Alpha One, and specified early Gen II assemblies only.
Part Details
- Part number: 805041A2
- Full service number: 23-805041A2
- Brand: Mercury Marine
- Official product type: Bell housing bushing / oil seal kit
- Bushing reference: 5/16 in.
- System: Bell housing / shift shaft
- GTIN: 745061277540
Related Parts
- 806036A1 — Later Gen II shift-shaft bushing/seal kit
- 814308 — 5/8 in. bell-housing bushing
- 45587 — Bell-housing oil seal
- 8M0204656 — Rubber bell-housing gasket
When This Part Needs Replacement
Replace the kit when the shift-shaft bushing is worn, loose, or corroded, or when the seal is leaking or damaged. Excessive play at the shift shaft can affect smooth shifting and shorten the life of a new seal.
Installation Notes
Inspect the shift shaft for scoring, corrosion, or wear before installing the new bushing/seal kit. A damaged shaft can quickly damage a replacement seal. Follow the applicable MerCruiser service procedure for bushing and seal installation.
Alternate/Superseded Part Numbers
- 805041A2 / 23-805041A2 — current OEM kit
- 45588 / 23-45588 — earlier reference
- 79373 / 23-79373
- 79373A1 / 23-79373A1
Technical FAQ
Does this fit later Alpha One Gen II drives? No. If you are servicing a later Gen II drive past serial 0F094774, Mercury specifies kit 806036A1 instead.
Is this the same as a gimbal housing bushing kit? No. This kit is specific to the bell-housing shift-shaft bushing and seal assembly, not the gimbal housing.
Parts Desk Insights
Best use case: This kit is the right choice when the shift shaft shows play, corrosion, or a leaking seal at the bell housing on a compatible R/MR, Alpha One, or early Alpha One Gen II sterndrive.
Common mistake: The most common mistake is ordering by drive family alone. Early and later Alpha One Gen II drives use different bushing/seal kits at this location, so the drive serial number is the deciding factor, not just the drive name.
Sizing and fitment: If you are unsure whether your Gen II drive falls before or after serial 0F094774, check your serial number before opening the bell housing to confirm which kit you need.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 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.