GOOFIT
Outdrive Mounting Gasket Set for MerCruiser Alpha One, R, MR | Replaces 27-94996Q2, 18-2619-1
Outdrive Mounting Gasket Set for MerCruiser Alpha One, R, MR | Replaces 27-94996Q2, 18-2619-1
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Product Overview
Keep your vessel in peak condition with this professional-grade outdrive mounting kit. Designed specifically for MerCruiser R, MR, and Alpha One Gen I & II drives, this comprehensive set provides a watertight seal between the outdrive and the bell housing. Utilizing marine-grade materials, it prevents corrosion and ensures smooth mating of metal surfaces, making it an essential kit for annual service or drive removal.
Product Compatibility
This kit is a high-quality replacement for the following sterndrive models and part numbers:
| Drive Series | Generation | OEM Reference | Sierra Reference |
| MerCruiser R | All Models | 27-94996Q2, 27-94996T2 | 18-2619-1 |
| MerCruiser MR | All Models | 27-64818T4 | 18-2743 |
| Alpha One | Gen I & Gen II | 27-35982 | 18-2840 |
Specifications
| Feature | Details |
| OEM Cross-Ref | 27-94996Q2, 94996T2, 27-64818T4, 27-35982 |
| Sierra Cross-Ref | 18-2619-1, 18-2743, 18-2840 |
| Material | Marine-Grade Fiber & Nitrile (Buna-N) Rubber |
| Application | Outdrive to Bell Housing Mounting |
| Environment | Saltwater & Freshwater Compatible |
Key Features
- Complete Service Kit: Includes the mounting gasket, bell housing gasket, and all necessary O-rings (6 pieces total) for a full outdrive installation.
- Marine-Grade Durability: Crafted from high-density gasket materials and specialized rubber compounds designed to resist salt, oil, and fuel degradation.
- Surface Protection: Ensures proper alignment and mating between the outdrive and bell housing, preventing metal-to-metal friction and galvanic corrosion.
- Precision Sealing: Includes 6 specialized O-rings to ensure no-leak performance in critical drive shaft and water passage areas.
- Direct Replacement: Engineered to meet or exceed OEM specifications for a perfect "drop-in" fit, saving time during your boat's off-season maintenance.
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Fitment FAQ
Will this part fit my specific model and year?
This gasket set is intended for Drive Series; Generation; OEM Reference; Sierra Reference; MerCruiser R; All Models; 27-94996Q2, 27-94996T2. It is best matched to original part number(s) 27-94996Q2, 18-2619-1, 18-2619, 27-94996T2. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 27-94996Q2, 18-2619-1, 18-2619, 27-94996T2 before purchase. For this gasket set, also compare the OEM number, gasket shape, hole pattern, engine model, bore size, and material thickness.
What models or situations does this part not fit?
Do not order this gasket set for machines outside the listed compatibility, or for units with different bolt-hole layouts, water/oil passages, bore sizes, or engine castings. If your original part number does not cross-reference with 27-94996Q2, 18-2619-1, 18-2619, 27-94996T2, treat the fitment as unconfirmed. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the OEM number, gasket shape, hole pattern, engine model, bore size, and material thickness. Confirm OEM/cross-reference number(s): 27-94996Q2, 18-2619-1, 18-2619, 27-94996T2. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.