Bell Housing Installation Gasket Kit for MerCruiser MC-1, R, MR and Alpha One Gen II Drives – Replaces 27-94996Q2
Bell Housing Installation Gasket Kit for MerCruiser MC-1, R, MR and Alpha One Gen II Drives – Replaces 27-94996Q2 is backordered and will ship as soon as it is back in stock.
Worry-free returns
Worry-free returns
Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.
If the return is due to our error or a defective item, we’ll make it right.
Please contact us before returning any item.
Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Bell Housing Installation Gasket Kit for MerCruiser MC-1, R, MR and...
Bell Housing Installation Gasket Kit for MerCruiser MC-1, R, MR and Alpha One Gen II Drives – Replaces 27-94996Q2 is backordered and will ship as soon as it is back in stock.
Product Details
This Bell Housing Installation Gasket Kit is designed for MerCruiser MC-1, R, MR and Alpha One Gen II stern drives. It provides the gasket and O-rings needed to seal the drive shaft housing and bell housing connection during sterndrive installation or service.
The kit is listed for MerCruiser applications corresponding to Mercury Quicksilver 27-94996Q2. Catalog references identify the R, MR and Alpha I/Alpha Gen II application as 1983 and newer; always verify the sterndrive model, serial number and existing gasket configuration before ordering.
- Bell housing installation gasket kit for compatible MerCruiser sterndrives.
- Helps restore sealing at the drive shaft housing-to-bell housing and bell housing interfaces.
- Includes the principal gaskets and O-rings used for this application.
- Aftermarket replacement intended for service and maintenance of compatible marine drive systems.
Part Number Matrix
The following manufacturer and aftermarket references are listed for cross-reference purposes. Part-number appearance does not replace verification of the complete drive model and serial-number conditions.
| Brand | Part Number | Reference Type |
|---|---|---|
| Mercury Quicksilver | 27-94996Q2 | OEM reference |
| Mercury | 27-94996Q2 | OEM reference |
| Mercury | 2794996Q2 | OEM reference format |
| Mercury | 94996Q2 | OEM reference format |
| Mercury | 27-94996T2 | Listed interchange reference |
| Mercury | 27-64818T4 | Listed reference for the related MC-1 gasket application |
| Sierra Marine | 18-2743 | Aftermarket reference |
| Sierra Marine | 18-2619-1 | Aftermarket gasket-set reference |
| SEI Marine | 95-106-01 | Aftermarket reference |
| SEI Marine | 95-104-01A | Aftermarket reference |
| OBR Red Rhino | MR-903 | Aftermarket reference |
| Mallory Marine | 9-62601 | Aftermarket reference |
| Mallory Marine | 9-62600 | Aftermarket reference |
| Mallory Marine | 9-61012 | Aftermarket reference |
| Barr Marine | MC47-27-94996 | Aftermarket reference |
Engine & Model Compatibility
This kit is intended for the following MerCruiser stern-drive applications. The model, year and serial conditions must be considered together; do not rely on a part number alone.
| Brand | Drive Model | Years | Serial Condition | OEM Reference | Notes |
|---|---|---|---|---|---|
| MerCruiser | MC-1 | Application-specific | Verify against the original drive | 27-64818T4 | Related MC-1 bell housing gasket application |
| MerCruiser | R | 1983 and newer | Verify the complete serial range | 27-94996Q2 | Bell housing installation gasket kit application |
| MerCruiser | MR | 1983 and newer | Verify the complete serial range | 27-94996Q2 | Bell housing installation gasket kit application |
| MerCruiser | Alpha One / Alpha Gen II | 1983 and newer | Many catalog entries begin at serial 6225577; confirm your exact drive | 27-94996Q2 | Do not confuse this application with Bravo or E/H/TR/TRS drive gasket sets |
Compatibility note: This listing is not for Bravo units or for the separate E, H, TR or TRS applications. Compare the original gasket arrangement and verify the drive serial number before installation.
Technical Specs
- Product Type
- Bell housing installation gasket kit
- Application
- MerCruiser MC-1, R, MR and Alpha One Gen II drives
- Primary OEM Reference
- Mercury Quicksilver 27-94996Q2
- Sealing Locations
- Drive shaft housing to bell housing and bell housing interfaces
- Kit Format
- Gasket and O-ring set
- Installation
- Replacement during compatible sterndrive removal or installation service
- Manufacturer Type
- Aftermarket replacement
What’s in the Box
The kit contains the sealing components identified for the compatible R, MR and Alpha I/Alpha Gen II application:
- 1 x Drive shaft housing-to-bell housing gasket
- 1 x Bell housing gasket
- 3 x O-rings
Component appearance may vary by production batch. Confirm the supplied pieces against the service-manual diagram and the removed parts before assembly.
Installation Notes
- Turn the engine off, disconnect the battery and place the sterndrive in the appropriate service position.
- Remove the hardware securing the outdrive to the bell housing, following the procedure in the applicable service manual.
- Separate the outdrive carefully and be prepared to manage any gear-lubricant or water spillage.
- Remove all old gaskets and O-rings. Clean the mating surfaces thoroughly and inspect them for corrosion, damage or distortion.
- Compare each new gasket and O-ring with the original component and the service-manual diagram.
- Install the new gaskets and O-rings in their correct locations. Do not substitute components from another drive application.
- Guide the outdrive back into position while aligning the driveshaft, shift shaft and water passage components.
- Reinstall the washers and nuts, then tighten them in the manufacturer-specified sequence and to the manufacturer-specified torque.
- Check and restore sterndrive gear lubricant as required by the service procedure.
- Reconnect the battery, run the engine according to the service instructions and inspect the joint for leaks or shifting problems.
Troubleshooting & FAQ
Which MerCruiser drives does this kit fit?
The company application is MerCruiser MC-1, R, MR and Alpha One Gen II drives. Catalog information also identifies the R, MR and Alpha I/Alpha Gen II application as 1983 and newer. Verify the exact model and serial number before ordering.
Does this kit fit Alpha One Gen I?
Catalog references use both “Alpha I” and “Alpha Gen II” in the application description, while the product application specifically identifies Alpha One Gen II. Confirm the drive designation, serial number and original gasket arrangement before purchase, especially where the drive is described only as Alpha One.
What does the kit seal?
It is intended to renew the sealing components at the drive shaft housing-to-bell housing and bell housing interfaces during compatible sterndrive installation or service.
What are common signs that these seals need attention?
Possible indicators include water contamination in the gear lubricant, lubricant leakage at the drive-to-bell-housing joint, damaged or flattened O-rings, or a gasket that has been disturbed during drive removal. Diagnose the complete drive before replacing parts.
Should the gaskets and O-rings be replaced when the outdrive is removed?
Replacing disturbed sealing components during sterndrive service is recommended. Clean and inspect every mating surface before installing the replacement parts.
Is this an OEM component?
No. This listing is for an aftermarket replacement kit. Mercury, MerCruiser, Sierra, Mallory and the other names and part numbers are used only to identify the application and cross-reference the replacement.
Safety & Important Information
- Verify the drive model, serial number, original gasket layout and part-number references before ordering.
- Do not use this kit for Bravo, E, H, TR or TRS applications unless a qualified parts reference confirms compatibility.
- Follow the applicable service manual for removal, installation, torque values, lubrication and leak testing.
- Professional installation is recommended when sterndrive removal or alignment procedures are outside your experience.
About Sea Sierra
- Marine Replacement Parts — We supply aftermarket components for maintenance and repair of compatible marine systems.
- Application-Focused Listings — Product references are provided to help you compare model, serial and part-number information.
- Service-Oriented Support — Use the complete drive details and original-part information when confirming an application.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
