Description

Sierra’s 18-3573 Circulating Water Pump fits MCM 496 Mag/HO and MIE 8.1S/HO engines and is designed for use with all 8.1L Big-Block GM engines and engines with composite timing cover. It is interchangeable with Mallory 9-42601, Mercruiser Stern Drive 46-8M0113736, 883514, 883925, and MES WP425M. Each Sierra product meets or exceeds the original equipment part it replaces.
Fits MCM 496 Mag/HO and MIE 8.1S/HO engines
Designed for use with all 8.1L Big-Block GM engines and engines with composite timing cover
Interchangeable with Mallory 9-42601, Mercruiser Stern Drive 46-8M0113736, 883514, 883925, and MES WP425M
Each Sierra product meets or exceeds the original equipment part it replaces