Quicksilver 8M0181740 Power Steering Oil Cooler for MerCruiser Sterndrives

The Quicksilver 8M0181740 is a genuine OEM power steering oil cooler designed for MerCruiser sterndrive applications. This water-cooled heat exchanger dissipates heat from the hydraulic power steering fluid, protecting the power steering pump and associated components from heat-related wear and failure during extended operation.

Key Features:

• Genuine OEM Part: Manufactured by Mercury Marine under the Quicksilver brand, ensuring exact fit and factory-level quality
• Overall Length: 7.87 in. (200 mm)
• Hose Fitting O.D.: 1.25 in. (32 mm) — compatible with standard MerCruiser power steering hose connections
• Current Active Part: Supersedes legacy part numbers 99356A2, 8M0152028, 77912A3, and 77912
• Application: Fits MerCruiser MCM GM V-6 and V-8 sterndrive engines

Supersession / Cross-Reference Part Numbers:

• 8M0181740 (current active)
• 8M0152028 (superseded)
• 99356A2 (superseded)
• 898272052 (superseded)
• 77912A3 (superseded)
• 77912 (superseded)
• Alt: 710-8M0181740, 47-9899

Replacing a failed or degraded power steering oil cooler with a genuine Quicksilver part ensures proper fluid temperature management, long-term steering system reliability, and maintains OEM performance standards for your MerCruiser-powered vessel.