Sierra Water Pump - SIE-18-3599-2

Sierra 18-3599-2 Water Circulating Pump

Sierra high-quality engine parts are designed to meet OEM specifications. Fits Both Standard and Counter Rotating Engines.

Features:

Fits GM V-6 (s/n 1A063239 & below) & V-8 (305, 350 & 377 CID) engines.

Mounting Gaskets Included

Interchangeable with:

Crusader

20318

7142520

MerCruiser Stern Drive

878341

811841

850399

FI1101208

FI1100742

FI1101292

54793

35341

37951

52226

60658

17437

850399002

8503991

46-8M0113734

Pleasurecraft

RA057018

Volvo Penta

3853850

Supersedes 18-3583, 18-3599-1

Frequently Asked Questions

• What is the Sierra 18-3599-2 Water Circulating Pump used for? The Sierra 18-3599-2 Water Circulating Pump is an engine water circulating pump designed for specified GM V-6 and V-8 marine engine applications. It fits both standard and counter-rotating engines and includes mounting gaskets for installation.
• What engines does the Sierra 18-3599-2 Water Circulating Pump fit? This water circulating pump fits GM V-6 engines with serial numbers 1A063239 and below, as well as GM V-8 engines with 305, 350, and 377 CID configurations. Verify your engine's serial number and specifications before purchasing to confirm compatibility.
• Does the Sierra 18-3599-2 fit standard and counter-rotating engines? Yes. The Sierra 18-3599-2 Water Circulating Pump is designed to fit both standard and counter-rotating engines. The listed applications include GM V-6 engines with serial numbers 1A063239 and below and GM V-8 engines in 305, 350, and 377 CID configurations.
• Are mounting gaskets included with the Sierra 18-3599-2? Yes. Mounting gaskets are included with the Sierra 18-3599-2 Water Circulating Pump. The product description identifies the pump as a replacement engine part designed to meet OEM specifications.
• Which parts are interchangeable with the Sierra 18-3599-2 Water Circulating Pump? The Sierra 18-3599-2 is listed as interchangeable with multiple Crusader, MerCruiser Stern Drive, Pleasurecraft, and Volvo Penta part numbers. These include Crusader 20318 and 7142520, Pleasurecraft RA057018, Volvo Penta 3853850, and the listed MerCruiser numbers. Verify the application before selecting an interchangeable part.
• What Sierra water circulating pumps does the 18-3599-2 supersede? The Sierra 18-3599-2 Water Circulating Pump supersedes Sierra 18-3583 and Sierra 18-3599-1. Confirm your engine application and existing part number before replacing an earlier pump with the 18-3599-2.