Water Pump Gasket Kit – Fits Mercury MerCruiser (Replaces 27-803192A2)
Water Pump Gasket Kit – Fits Mercury MerCruiser (Replaces 27-803192A2) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
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Water Pump Gasket Kit – Fits Mercury MerCruiser (Replaces 27-803192A2) is backordered and will ship as soon as it is back in stock.
Product Details
This replacement Water Pump Gasket Kit is designed for Mercury MerCruiser sterndrive and inboard engines, providing the essential seals for water pump service and repair. It ensures a precise fit to prevent cooling system leaks and maintain optimal engine temperature.
It directly replaces Mercury/Mercruiser part number 27-803192A2 and supersedes Mercury/Quicksilver part 27-803192A1.
- Installs as a direct-fit replacement for the original components.
- Constructed from high-quality paper and composite materials for a reliable seal.
- Includes all gaskets required for a standard water pump replacement.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Mercury/Mercruiser | 27-803192A2 | Current Part |
| Mercury/Quicksilver | 27-803192A1 | Superseded by 27-803192A2 |
Engine & Model Compatibility
This gasket kit is designed for a range of Mercury MerCruiser engines. However, as specific model and year fitment can vary, we strongly recommend verifying your engine's part number requirements before ordering. Consult your service manual or an authorized mechanic to confirm that 27-803192A2 is the correct part for your application.
Technical Specs
- Product Type
- Water Pump Gasket Kit
- Fitment
- Direct Replacement for Mercury MerCruiser
- Material
- Paper / Composite
- Dimensions
- Length: 18.0 cm (7.09 in), Width: 21.0 cm (8.27 in), Height: 0.1 cm (0.04 in)
- Weight
- 0.027 kg (0.06 lb)
What’s in the Box
- 1 x Complete Water Pump Gasket Kit
Installation Notes
For a successful installation, follow these general steps. Always refer to your engine’s official service manual for detailed procedures and torque specifications.
- Disconnect the vessel's battery and close the seacock.
- Drain coolant from the engine block or heat exchanger as required.
- Carefully remove the raw water pump housing, hoses, and bracket.
- Remove the old impeller and gaskets. Take note of the orientation of all parts.
- Thoroughly clean all mating surfaces, removing any old gasket material or sealant residue.
- Place the new gaskets from the kit onto the clean, dry surfaces.
- Reassemble the water pump assembly, ensuring all components are correctly aligned.
- Tighten all bolts to the manufacturer's recommended torque specifications.
- Reconnect hoses, open the seacock, and reconnect the battery.
- Start the engine and immediately check for any water or coolant leaks.
Troubleshooting & FAQ
How do I know if this gasket kit fits my Mercruiser engine?
The best method is to verify the part number. Check your engine's service manual or examine the existing water pump assembly for a part number. This kit replaces OEM part number 27-803192A2. If you are unsure, consult a qualified marine mechanic.
What are signs that my water pump gaskets are failing?
Common signs include visible water leaks around the pump housing, engine overheating at idle or low speeds, or a dry, cracked appearance on the existing gaskets during inspection. Any of these symptoms warrant a prompt inspection and service.
Does this kit include everything for a standard water pump service?
This is a complete gasket kit, containing the necessary seals for replacing the water pump housing. Note that the impeller and wear plates are sold separately. Please verify the contents visually against your service manual's requirements.
How often should water pump gaskets be replaced?
Gaskets should be replaced whenever the water pump impeller is serviced, which is typically recommended every 1-2 years or 100-200 hours of operation, depending on use and water conditions (saltwater vs. freshwater).
Is this an OEM part or an aftermarket replacement?
This is a high-quality aftermarket replacement part, not an OEM component. It has been engineered to meet or exceed original equipment specifications, produced in an ISO 9002 certified facility, and subjected to rigorous quality control inspections to ensure performance and reliability.
How long does shipping take and what are the costs?
We offer fast worldwide shipping, with most orders arriving in 5–15 days. Standard shipping is free for most regions. If available for your location, expedited shipping options and their costs will be presented at checkout.
What is the warranty and return policy for this part?
This part is covered by a 1-year warranty against manufacturing defects under normal operating conditions. If you encounter a problem, please contact our support team with your order number. We accept returns of unused items in their original packaging within our standard return period. For detailed instructions, please see our policy page or contact us directly.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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