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Product Details

Bronze body with monel basket design provide the ultimate corrosion resistance in Raw Water Strainers. Serviceable sea strainers protect the vital cooling system of your engine from clogging with marine debris. Solid bronze construction features NPT threaded ports.

Among the features of ARG series strainers are provisions on the strainer cap for the use of a spanner wrench to tighten or loosen the cap before or after maintenance.

Hand-tight is sufficient for a good seal for Groco strainers with threaded caps, but some boaters may prefer to snug the cover beyond hand-tight.


Cast bronze with 1/4 inch and 5/16 inch stainless steel pins.
Opens to service deck plates or strainer caps with key holes up to 7 inches apart.
Hangs conveniently near the strainer(s) location.

NPT (tapered) threads should be sealed with PTFE plumbing tape or equivalent.

Tech Specs
Model Pipe Size "A" Height "B" Width "C" Depth
ARGS-5001/2 inch6.38 inch4.5 inch5.25 inch
ARGS-7553/4 inch6.38 inch4.5 inch5.25 inch
ARGS-7503/4 inch8.38 inch4.5 inch5.25 inch
ARGS-10001 inch9.00 inch5.75 inch6.5 inch
ARGS-12101-1/4 inch9.19 inch5.75 inch6.5 inch
ARGS-12501-1/4 inch10.63 inch5.75 inch6.5 inch
ARG-15001-1/2 inch11.38 inch7.25 inch7.75 inch
ARG-20152 inch12.00 inch7.25 inch7.75 inch
ARG-20002 inch14.00 inch7.25 inch7.75 inch
ARG-25152-1/2 inch12.7 inch7.25 inch7.75 inch
ARG-25202-1/2 inch14.64 inch7.25 inch7.75 inch
ARG-25002-1/2 inch17.00 inch7.25 inch7.75 inch
ARG-30153 inch13.25 inch7.25 inch7.75 inch
ARG-30203 inch15.19 inch7.25 inch7.75 inch
ARG-30253 inch17.37 inch7.25 inch7.75 inch
ARG-30003 inch19.75 inch7.25 inch7.75 inch
Info & Guides
Service Kits

These general maintenance service kits help keep Groco ARG Series strainers in working condition. Each Kit contains a Cap O-ring, Sight Glass O-ring, Washer & Drain Wingnut Gasket

Technical Information

  • Improved Sealing
  • Improved filter basket
  • Improved mount system
  • Monel Basket with .077 inch (2mm) holes
  • Improved design secures basket
  • No tie rods or gaskets
  • O-rings seal all mating surfaces
  • Easy service with screw-on cap
  • Mounting hardware is included
  • Bonding connection

Reviews for Groco ARG Series Strainer w/ Monel Basket

1 of 1 Reviews

April 9, 2008

Outstanding strainer
By Jeremy J from Block Island, RI

The Groco unit is extremely well made. Heavy bronze casting and monel basket makes for a good performing unit.

Bottom Line Yes, I would recommend to a friend

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