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Specification sheet
cowlesproducts.com
September 25, 2026
SD-509-500L
SD-509-W 500L
Width
3.200"
Height
0.700"
Flange
0.250"
Material
Rubber
Type
Sponge
Durometer
2A4 (sponge grade)
Colour
Black
Mount
Push On
Bulb position
Side
Core
SD-500L Spring Steel
Styles
Bulb Seals