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Automotive Mesh & Filters · FMVSS 116 / SAE J1703 systems · Application guide

What Is Brake & Power Steering Reservoir Strainer Used For?

A small stainless steel mesh basket strainer in the fill neck of a translucent brake fluid reservoir, engine bay, close-up

The primary duty of Brake & Power Steering Reservoir Strainer is straining brake fluid and power-steering fluid at the reservoir fill neck so debris from containers or funnels never reaches master cylinders and pumps. Below: the sectors that specify it in volume, the checklist used to select the right mesh and alloy for the application, handling notes, and the known limits of the type.

Typical Applications for Brake & Power Steering Reservoir Strainer

Where Brake & Power Steering Reservoir Strainer is specified and bought:

  • Vehicle OEMs: fill-neck strainers in brake and power-steering reservoirs.
  • Aftermarket reservoir makers: billet and remote reservoirs.
  • Motorsport: brake reservoirs on race cars.
  • Industrial hydraulics: small power-pack tanks.

How to Specify Brake & Power Steering Reservoir Strainer for Your Application

  • Neck diameter: 30–55 mm.
  • Mesh: 60–100 mesh stainless.
  • Fluid compatibility: SS304 suits DOT 3/4/5.1 and ATF.
  • Standard: Quote FMVSS 116 / SAE J1703 systems and the size designation from the table on the product page, plus any value you changed in the technical drawing.

Handling & Installation Practice

  • Always top up through the strainer, never by removing it.
  • Rinse the strainer with fresh fluid during a brake flush.

Common Selection Mistakes with Brake & Power Steering Reservoir Strainer

  • Removing the strainer to fill faster.
  • Mixing incompatible fluid types.

Where Brake & Power Steering Reservoir Strainer Is Not the Right Choice

Not a system filter — it only stops debris at filling.

If This Construction Is Not the Right Fit

Closely related mesh types for the same duty — compare open area, aperture range and cleanability before you commit.

Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

Request a Quote

Set the size and options in the drawing above, then send the exact configuration straight to this form.

Request a Quotation

Specification
Business Information

Dimensions & Specifications (FMVSS 116 / SAE J1703 systems)

SizeTop diameter (mm)Depth (mm)MeshMicron rating (u00b5m)
Neck 30302560-Mesh SS304233
Neck 40403580-Mesh SS304178
PS reservoir 555540100-Mesh SS304154

Frequently Asked Questions

What is Brake & Power Steering Reservoir Strainer used for?

Straining brake fluid and power-steering fluid at the reservoir fill neck so debris from containers or funnels never reaches master cylinders and pumps.

Why does a brake reservoir have a strainer?

To stop debris entering the master cylinder.

What mesh is used?

About 80-mesh.

Can the strainer be cleaned?

Yes, with fresh brake fluid.

Can I get a quote for Brake & Power Steering Reservoir Strainer to my own drawing?

Yes. Set the size and any custom value in the technical drawing on the product page and send it with the quote form; we reply within one business day.