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**1project2many** · 09-25-2012, 09:10 PM

Classic lists a bunch of part numbers for similar applications. My hunch is they're reselling several different brands of part and they're just using the description provided by the manufacturer.

TRW is a major manufacturer of suspension parts owned by Federal Mogul corporation. Moog is another. McQuay Norris is another brand. Raybestos is the brand name applied to the former Spicer aftermarket parts line. There are probably plenty more but I'm drawing blanks right now. Carquest and Napa have used various manufacturers such as these over the years but they will have the parts put in their own house brand boxes. These chains sometimes have NOS parts still around with active part numbers if you can find them. So a TRW or Moog number might cross to a Napa or other number available from someone else.

Edit:

Original GM number for .010 OS is 3720692. Google search shows

http://1960-72chevytruckparts.com/ca...suspension.pdf

55-56 3720692 1/2 Ton (.010 oversize)..............................39.95 kit

HTH

09-25-2012, 09:10 PM	#35
1project2many Senior Member Join Date: Mar 2012 Location: Lakes Region NH Posts: 3,217	Re: Bearings, King Pins, and Master Cylinders Oh My..... Classic lists a bunch of part numbers for similar applications. My hunch is they're reselling several different brands of part and they're just using the description provided by the manufacturer. TRW is a major manufacturer of suspension parts owned by Federal Mogul corporation. Moog is another. McQuay Norris is another brand. Raybestos is the brand name applied to the former Spicer aftermarket parts line. There are probably plenty more but I'm drawing blanks right now. Carquest and Napa have used various manufacturers such as these over the years but they will have the parts put in their own house brand boxes. These chains sometimes have NOS parts still around with active part numbers if you can find them. So a TRW or Moog number might cross to a Napa or other number available from someone else. Edit: Original GM number for .010 OS is 3720692. Google search shows http://1960-72chevytruckparts.com/ca...suspension.pdf 55-56 3720692 1/2 Ton (.010 oversize)..............................39.95 kit HTH Last edited by 1project2many; 09-25-2012 at 09:21 PM.