dep5 Posted January 6, 2018 Share Posted January 6, 2018 The reason for this post is my curiosity over a 4-cyl Silver Dome cylinder head advertised on ebay by an AACA forum Member Cord Blomquist. The ebay item is 352246106246. The part number on the head is 318904. It seems to be an early MoPar number but I cannot find it in my Dodge or Plymouth parts lists. I no longer have my old Dodge Truck parts lists. Perhaps 4 cyl Merchant Express? Anyhow, I thought this item might be of interest to someone. Click to view photo 318904 Silverdome.psd Link to comment Share on other sites More sharing options...
Cord Blomquist Posted January 6, 2018 Share Posted January 6, 2018 This part is from my father’s estate and I’m not sure what it is. I can’t offer more information than what’s on the listing. Link to comment Share on other sites More sharing options...
dep5 Posted January 6, 2018 Author Share Posted January 6, 2018 I checked Mopar Parts Supersedence List D-11693 and for #318904, the entry says use #394996 When I checked #394996, this number supersedes 318904, 324661, 387542 and 390864 My 1947 Hollander says #394996 fits 1931-32 Plymouth PA; #387542 and #390864 fits 1932 Plymouth PB other interchange "may be" 1929-31 Dodge 1/2-1 ton truck, 1929-30 Plymouth U and Fargo Packet Link to comment Share on other sites More sharing options...
JamesLay Posted January 6, 2018 Share Posted January 6, 2018 318904-1 is the number on both of my PA cylinder heads. Link to comment Share on other sites More sharing options...
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