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Old 04-23-2022, 02:20 PM   #6
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
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Re: what rear axle 2002 250HD

AAM built the 10.5 and 11.5 for GM and Dodge.
If it's manufactured as a GM axle it's the same as the older corporate axles except it's setup for factory disc brakes with full on drum & shoe parking brakes inside the rotor hats and the leaf spring perches are setup for the T800 frames. The cover is held on by 8mm bolts rather than the SAE bolts used on the older drum brake axles but that's small fry in comparison to the factory disc brake setup.

The Dodge axle has several differences from the GM part so they aren't interchangeable.

GM outsourced solid axle manufacturing to AAM. It's still the good old GM design with some modernization.
It's just like Dana axles, Saginaw steering boxes, and New-Process/New-Venture transfer cases and transmissions. Everyone uses them with their own special differences to fit their vehicles.
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1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Last edited by hatzie; 04-23-2022 at 02:28 PM.
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