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Front hub dust cap.


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Here you go Tod,

B and C series (1/2 and 3/4 ton) use P/N 600183

D thru K series (1 ton - 3(?) ton) use P/N 564052

Thanks! The 600183 was also used on 1933-48 Plymouths (maybe later but that is as new as my parts books go). It looks like the photos in the thread are for a 1/2 ton so that NAPA BK 730-2409 number should be good for my Plymouth too.

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  • 5 months later...
Are the rear wheels also supposed to have dust caps? If anyone with a 1/2 ton has them would you please post a picture and provide measurements. I've been riding with exposed cotter pins for the last 20 years...

1694FCCMWC.1.jpg1694RCCMWC.jpg

These center caps were used on the last few years of Ramchargers & D-150s and were bolted to the wheel...Ram 1500s used similar caps that had a flange for the lugnuts, but by then the bolt pattern had changed to 5 x 5.5. This place has them up for sale, never dealt with'm though...

Anyhow, I ordered these NAPA 730-2409 and since they're not zinc plated, looks like I have something else to paint with the PCV system parts I've been working on. The relief cut shown defeats the sealing function of these caps and eventually those caps will vibrate out of their seats. If those caps are set in some RTV sealant, that might seal them off & hold them in place...I had plastic center caps on my '89 Dakota that were 30 bucks when they popped out of the aluminum rims. RTV on the cap lip held them in place up & down the road, and was easily removed when tire balancing was needed.

At any rate, these dust caps need to be set with a tube or pipe or some other whutzit that rests squarely on the lip provided. The cap is supposed to have a tight fit similar to the wheel seal. The only modification that should be done on these caps is to put a small chamfer on the leading edge so that the cap can be started in its seat. The cap is then to be driven up to the lip for a full seal.

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