Cars and trucks built before about 1935 came on wire spoke wheels with small metal caps installed to seal the wheel hub on the axle. Those early "HUBcaps" were smaller than 3" in diameter, made of heavy gauge plated steel hammered onto the hub of the wheel. Their main function was to keep dirt out of the spindle nut and wheel bearings.

In the mid ‘30s, hubcaps became more decorative than functional. The ‘dog dish’ style was born, chrome hemispheres 9 inches in diameter, covering the lug nuts and the center of the wheel. About the same time, wheel technology advanced and spoke wheels were replaced by wheels formed from stamped steel.

In the ‘40s, Cadillac lead the pack in adding sparkling chrome by the acre: bumpers, grills, trim lines, window borders, hood ornaments, hood vents, headlights, running boards, etc. Increasing the size of the chrome hubcaps added reflective surface.

By the ‘50s, hubcap diameters increased to the point they covered the entire steel wheel. Many of this period were flat chrome rounds looking like Frisbees, with little differentiation. During this time the term ‘wheel cover’ came into use.

Over the last 50 years, the terms ‘hubcaps’ and ‘wheel covers’ have become synonymous as the lightweight, full-diameter decorative coverings of standard steel wheels.

One of the hallmarks of modern hubcaps is their interchangeability. Nearly any hubcap of the correct size will fit any standard steel wheel that will take a hubcap. This means that changing styles is very easy. We are not limited to those styles designed by our particular auto manufacturer.

Phil Sollecito is the webmaster for AutoAmenity, Seattle retailer of hubcaps, wheelskins, wheel simulators, grill inserts, and other automotive trim products. http://www.AutoAmenity.com

If you would like to read this article with pictures of classic cars that illustrate the examples given, go to http://www.autoamenity.com/FAQ/Hubcap-Wheelcover.htm

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