OEM Quality • Marine Grade
Water Pump Base
for Mercruiser Alpha 1 Gen 1
for Mercruiser Alpha 1 Gen 1
OEM-quality water pump base designed for Mercruiser MR and Alpha One Generation I sterndrives. Essential component for water pump repair and cooling system maintenance. Precision-engineered for reliable performance.
📦 OEM: 46-44292A3 | Fits MR & Alpha One Gen I (1972-1990)
Application Guide — This guide is to be used as a reference only. You must verify fitment using your model or serial number.
Pro Tip — Replace water pump base when servicing the water pump to ensure proper sealing and cooling system performance.
OEM CROSS REFERENCE
- Mercruiser 46-44292A3
- Mercruiser 46-44292Q03
- Mercruiser 46-44292T1
- Mercury Marine 46-44292A3
- Mercury Marine 46-44292Q03
- Mercury Marine 46-44292T1
- GLM 12320
- Mallory 9-43308
PACKAGE CONTENTS
- 1 × Water Pump Base
- Complete water pump housing base
COMPATIBLE MODELS
- Mercruiser MR Sterndrives (1972-1982)
- Mercruiser Alpha One Generation I Sterndrives (1983-1990)
Fitment: Fits Mercruiser MR and Alpha One Generation I sterndrives from 1972-1990. Verify drive model and year before purchase.
FEATURES
- OEM-quality replacement for reliable cooling system performance
- Precision-engineered for exact fit with Mercruiser sterndrives
- Durable construction for marine environments
- Essential component for water pump repair kit
- Compatible with MR and Alpha One Gen I drives
- Supports proper impeller function and water flow
VERIFICATION REQUIRED
To find the right part for your outboard, it is VERY IMPORTANT to verify outboard model or serial number before purchase. You can leave us a message e.g. your outboard engine parts model, serial number, horsepower or year if you are not confirmed this part fits your outboard motor or not. We're pleased to help you.
📧 Need assistance with fitment?
Provide your drive model, serial number, or year — we'll confirm compatibility within 24 hours.
Provide your drive model, serial number, or year — we'll confirm compatibility within 24 hours.
✅ OEM Quality • Mercruiser MR/Alpha One Gen I Compatible • Water Pump Base • Essential Cooling Component