Windshield Washer Pump Strainer in 304 Stainless Steel (AISI 304 (1.4301)) is used for keeping leaves, sediment and broken ice out of windshield washer pumps so the jets and pump impeller stay clear. The alloy gives good general corrosion resistance in atmosphere and fresh water and is essentially non-magnetic (annealed), with a practical service limit of approx. +450 °C continuous.
Alloy Properties
| Grade designation | AISI 304 (1.4301) |
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| Magnetic response | Essentially non-magnetic (annealed) |
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| Service temperature | approx. +450 °C continuous |
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| Corrosion characteristic | Good general corrosion resistance in atmosphere and fresh water |
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Specifications of Windshield Washer Pump Strainer Available in 304 Stainless Steel
| Size | Outer diameter (mm) | Length (mm) | Mesh | Micron rating (u00b5m) |
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| Inlet 10 | 10 | 20 | 40-Mesh SS304 | 385 |
| Inlet 12 | 12 | 25 | 60-Mesh SS304 | 233 |
Where 304 Stainless Steel Windshield Washer Pump Strainer Is Used
- Vehicle OEMs: inlet strainers on washer pumps.
- Aftermarket pump suppliers: pumps with replaceable strainers.
- Bus & coach builders: high-volume washer systems.
- Agricultural & construction cabs: washers used in dusty conditions.
Ordering Windshield Washer Pump Strainer in 304 Stainless Steel
- Inlet diameter: 10–12 mm push-fit on the pump spigot.
- Mesh: 40-mesh catches debris that blocks jets; 60-mesh for very fine jets.
- Material: SS304 resists washer fluid and antifreeze.
Mistakes to Avoid with Windshield Washer Pump Strainer
- Topping up with untreated water in winter, which freezes and cracks the strainer housing.
- Removing the strainer to restore flow, letting debris jam the impeller.
