Sierra 18-70958 Molded Cooling Hose for MerCruiser V8

The Sierra 18-70958 is a high-quality molded cooling system hose designed specifically for MerCruiser stern drive applications. This marine-grade replacement hose connects the transom to the oil cooler, providing reliable cooling system performance in harsh marine environments.

Key Features:

• Constructed from durable marine-grade materials for long-lasting performance
• Pre-formed molded design ensures proper fit and routing
• 5/8-inch inside diameter for optimal coolant flow
• Direct replacement for Mercury part number 32-96246A4
• Designed to meet or exceed OEM specifications

Application:

This hose is specifically engineered for MerCruiser GM V-8 engines including 305, 350, and 454 cubic inch displacement models. Compatible applications include MC898 (1983-84), MC200 (1985-87), MC228 (1982-84), MC230 (1985-87), 5.0L and 5.0LX Alpha (1988-95), MC260 (1983-87), 300 Tempest MR (1985-86), MC320 EFI (1987-89), 350 MAG Alpha (1986-96), 5.7L Alpha (1988-96), 5.7LX and 5.7LX EFI Alpha (1996), and 454 MAG Alpha (1986-88) stern drives.

Sierra Marine parts are backed by industry-leading warranties and are trusted by OEM manufacturers and boat builders worldwide for their quality and dependability.