Perko 493 Series Strainer Basket, For 1-1/4 in NPT, 304 SS, 2-5/8 in x 6-1/4 in

Overview

The Perko 049300799D is a replacement strainer basket for Perko 0493 Series Size 7 intake water strainers used with 1-1/4" NPT raw-water plumbing. It is the basket-only service part, with approximate dimensions of 2-5/8" diameter by 6-1/4" high.

This basket sits inside the strainer body and catches weeds, shell, grass, and other debris before it can reach an engine cooling pump or other raw-water equipment. For boats that run in shallow water, warm marinas, or coastal areas with floating debris, a basket that fits correctly is a small part that makes a real difference in routine cooling-system care.

Key features

• Basket-only replacement for Perko 0493 Series Size 7 intake water strainers.
• Fits the 1-1/4" NPT 0493 strainer size, including Perko 0493007PLB strainer assemblies.
• Approximate basket size is 2-5/8" diameter by 6-1/4" high for fit checking before ordering.
• Stainless steel basket construction suits wet machinery spaces and regular raw-water service.
• Screen hole diameter is .079", with 47% open area on the 0493 cylindrical basket design.
• Removable basket format supports routine inspection and cleaning through the top of the strainer body.

Installation and fit

Match this basket to the existing strainer size before replacement. It is for the Size 7 Perko 0493 Series body used on 1-1/4" NPT plumbing, not simply any strainer with a similar outside diameter. The correct basket height and diameter matter because the basket needs to seat inside the housing while leaving the cover and gasket area free to seal properly.

During service, shut the seacock, open the strainer, remove the old basket, and clean out the inside of the body before fitting the replacement. The strainer should remain mounted vertically with enough clearance above it for the basket to lift out during regular checks.

Use on board

This replacement is a practical service item for inboard engine raw-water intakes, generator cooling circuits, and other onboard systems that use a Perko 0493 Size 7 strainer. It is a good match for owners and yards refreshing an existing strainer rather than replacing the complete housing, especially when the cylinder, castings, cover, and gaskets are still serviceable.

Maintenance and care

Inspect the basket on a schedule that matches the water where the boat runs. Fishing boats, vessels kept in warm marinas, and boats that operate near grass, silt, or floating debris may need more frequent checks than boats used in clear water.

When winterizing, drain the strainer body as part of the raw-water system service. A clean basket and clear housing make it easier to spot sediment, damaged gaskets, corrosion, or other issues before they affect cooling-water flow.

What’s included

• One Perko 049300799D replacement strainer basket.

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