I am replacing the front rotors on my truck along with the pads (duh). After two different sets of rotors which were both wrong from Kragen and Smith Auto I am feeling a little confused. The rotors looked fine, BUT the hub area where the spindle comes through was to small for the bearing race and dust cover. So I measured it (the area where the bearing rides the spindle) with my calipers and gave the reading (.997) to the parts store and they told me I had second gen spindles!? They said 1st gens measured .750, yet the rotor on the truck has the 1/2 suds, as it should.


So basically I have to ask, what's the deal? Anyone else had this problem? I seriously doubt the old gentleman who owned the truck before me swapped spindles, or if it would even work. Anyone have a part number for the correct rotors? Brakes should not be this much of a hassle.....

 

I'd like to think that the 2nd gen front suspension might vary from ours. I've had good luck getting the right parts from rock auto.

 

Look at this maybe it will give you some info.http://www.rockauto.com/catalog/raframecatalog.php

 

This is what is too small for the factory bearing, and a new bearing and dust cover is not supllied, nor is it even mentioned as an option.

I would love to try rock auto, but if they sent the wrong set as well I would really be SOL. I need to make a 500+ mile trip in a week and commute to work come tuesday, this thing needs to have brakes!

 

Did you make sure to tell the parts guy it's for a 4,000lbs axle? I'm looking at rock auto now and the picture you posted is exactly what is shown under the 3,300lbs axle.

3,300lbs axle -


4,000lbs axle -

 

Told them 3000, the 4000 pictured a set for a 4wd. I will try that tommorrow though. Did all 2wd's have 4k axles?

 

The diesel 2wd's (3/4 or 1-tons) have the 4,000lbs axle, yes. Gasser 3/4 and 1-tons have the 3,300lbs axle.

 

my axle is the 3300 version then, it has that hub "snout". weird?

 

Unless you've swapped a cummins into a gasser chassis, your axle should be a 4,000lbs.

 

no swapping was done, its all original. no idea at this point honestly

 

took these off yesterday.they were on an 1990 d250 diesel.if you want bearing or seal numbers let me know.all the diesel 2wd have 4000# front axles.want pictures of spindles?

 

those are the rotors I need! if you have a pn for them that would be great. I don't know whats up with the smaller bearings on the set I bought

 

Stillsmokin, i replaced the rotors on my 91.5 last fall. You def. need the ones for the 4k front axel. Remeber, the replacements may not come with the hub/bearing assemebly. Mine did not. They are seperable, you need to knock the studs out and the rotor will pop off the hub.

 

did a quick cross check for you.wagner BD61915 is for the rotor only.that was crossed with rockauto and advanced auto parts.came up the same.do you need just the rotor,or rotor and hub?they come apart.

 

I did not even think about splitting the hub/rotor assembly. Thats what the problem was all along. The local parts place has them in stock, thanks guys.