Mercruiser, OMC 409-454 Big Block

Key Features:

1. Engine Compatibility:
   • Designed for GM Block 8 Cylinder Big Block Engines.
   • Compatible with OMC 409 to 454 cu. in. engines.
   • Suitable for both Early & Late Model Engines.
2. OEM and Aftermarket Part Numbers:
   • Fits Marine Commander (MC) part is numbered 67859, 17670, 811573, 850454-1.
   • Pleasurecraft part number RA057019.
   • OMC part numbers 983443, 3854118, 3855991.
   • Sierra part number 18-3577.
   • Volvo part number 3855991.
3. Fits Early & Late Model Engines:
   • Versatile water pump suitable for both Early and Late Model Engines, ensuring broad compatibility.
4. OE# 850454 1:
   • OEM equivalent part number 850454 1, ensuring compatibility with original equipment specifications.
5. Code#WP1900:
   • Identified with the code WP1900 for easy referencing and ordering.
6. Warranty – 1 Year:
   • Backed by a 1-year warranty, providing assurance of the product’s quality and durability.

The Mercruiser, OMC 409-454 Big Block water pump is specifically designed for GM Block 8 Cylinder Big Block Engines, catering to OMC engines ranging from 409 to 454 cubic inches. This water pump is suitable for both Early & Late Model Engines, offering versatility in application. With compatibility extending to Marine Commander (MC) part numbers, Pleasurecraft, OMC, Sierra, and Volvo, this water pump meets the needs of various marine systems. The use of OE# 850454 1 ensures that the product adheres to original equipment specifications. The product is covered by a 1-year warranty, underscoring its quality and durability.