What locker shall I go for?

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Andreas Wickman

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Andreas
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1983
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C20
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379
Good to hear. When I look in to Eatons Differential Application Guide they show two types that both shall fit to my axle (S.F. 14 bolt 9.5) The list says:
K-GM9.5-96 GM 9.5" Rear Master Install kit, Fits 1996 & Older Applications 225C135A and 914A538. Does anyone know what the difference is between those?
 

legopnuematic

Licensed Junk Dealer
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1971, 1̶9̶7̶4, 1976, 1979,1̶9̶8̶5, 2002
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Dart Swinger, Sierra 10, C10 Cheyenne, C10 Big Ten, Silverado 10, Ram 2500
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225/6, 350 c.i., 350 c.i., 5.9l Cummins
I believe it’s the yoke/pinion seal design changed, the later ones are a triple lip seal.
 

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