Mercury – Quicksilver Sea Water Pump Impeller Kit | Cooling System Component | Engine-Mounted 2-Piece Pump | 59362Q08

Overview

Your engine’s cooling system depends on a strong, steady flow of water — and the Mercury Marine 59362Q08 Quicksilver Sea Water Pump Impeller Kit keeps that flow running at full strength. This complete 11-piece kit is designed for MerCruiser engines with engine-mounted, one- or two-piece plastic sea water pumps. It includes everything you need to rebuild your pump: impeller, face plates, wear plates, and o-rings. Built with flexible marine-grade materials and engineered to OEM specs, this kit restores proper cooling pressure and protects your engine from overheating.

Key Features

• Purpose: Replaces all key wear components in your sea water pump to maintain steady cooling.
• Contents: Includes impeller, face plates, wear plates, and o-rings — 11 pieces total.
• Material: Made from marine-grade elastomers and corrosion-resistant metals for lasting performance.
• Design: Flexible impeller vanes provide strong, consistent water flow across all speeds.
• Durability: Built to handle temperature swings, water exposure, and vibration without cracking or deforming.
• Ease of Use: All-in-one kit for quick, complete servicing using basic hand tools.

Engine & Boat Compatibility

• MerCruiser engines with engine-mounted sea water pumps (one-piece or two-piece plastic pump body)

Performance & Real-World Benefits

The 59362Q08 impeller kit keeps your cooling system in top shape by restoring proper water pressure and flow. The flexible impeller vanes ensure smooth operation, while the wear plates and o-rings seal the housing tightly for leak-free performance.

Replacing worn pump parts regularly prevents overheating and extends the life of your impeller housing. With everything you need included in one kit, it’s a simple, cost-effective way to keep your MerCruiser’s cooling system reliable for every run.

Why Choose Mercury OEM

The Quicksilver 59362Q08 is a genuine Mercury Marine kit, engineered specifically for your MerCruiser’s cooling system. Aftermarket kits may look similar but often include lower-quality components that can wear unevenly or reduce water flow.

Mercury OEM kits are tested under real marine conditions to ensure proper fit, long-term flexibility, and high flow performance. When you choose OEM, you get factory-level protection, reliability, and peace of mind on the water.

FAQ

Q1: What engines does this impeller kit fit?
It fits MerCruiser engines with one- or two-piece plastic sea water pumps.

Q2: What’s included in the kit?
The kit includes an impeller, face plates, wear plates, and o-rings — a total of 11 components.

Q3: What’s the impeller made from?
It’s made from a marine-grade flexible elastomer that resists heat, cracking, and wear.

Q4: How often should I replace it?
Inspect the impeller every season and replace it every two years or 200 hours of use.

Q5: Why OEM instead of aftermarket?
Mercury’s OEM impeller kits provide the correct materials, fit, and durability that cheaper kits can’t match.