Groco ARG-500/3000 Flush Cap | 3" Sea Strainer Flush Cap

Flush Cap for Groco ARG-1500 & ARG-3000 Sea Strainers – 3" Small Cap

Keep your marine engine cooling system operating at peak performance with this flush cap designed for Groco ARG-1500 and ARG-3000 sea strainers. Featuring a 3 -inch cap size, this flush cap allows for convenient freshwater flushing, system maintenance, and winterization without removing the entire strainer assembly.

Manufactured from durable marine-grade materials, the cap provides a secure fit and reliable performance in harsh marine environments. The integrated hose connection makes it easy to attach a standard garden hose, helping remove salt, sand, debris, and marine growth from your raw water cooling system.

Ideal for routine maintenance and preventative care, this flush cap helps extend the life of your engine and cooling components while reducing maintenance time.

Features:

• Compatible with Groco ARG-1500 and ARG-3000 sea strainers

• Fits 3-inch (small) cap openings

• Simplifies engine flushing and winterization

• Helps remove salt, sand, debris, and marine growth

• Durable marine-grade construction

• Easy garden hose connection

• Quick installation and removal

• Made in the USA by Unique Boat Parts