RockAuto- 4x4 front drive shaft, '81 K20 -Rock Auto

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JD Miller

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Goober Idaho
First Name
JD
Truck Year
1981
Truck Model
K20 silverado
Engine Size
350
It is high quality, not a cheesy china POS.

Guy I know that has a drive shaft shop in Ca does alot of race car/boat and polished aluminum show car drive shafts and he wanted $400+ just to replace the slip yoke and spline and one u-joint on new slip yoke and balance. Rebuilding the double cardan would be more $$
So this Dorman shaft was a good deal

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JD Miller

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Location
Goober Idaho
First Name
JD
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1981
Truck Model
K20 silverado
Engine Size
350
Damn this Dorman is 2 1/2" diameter tube. My original shaft is 2" and Rock Auto Dorman description says its a 2" also. Part number on box is correct but its a 2 1/2 " shaft

Anybody running a 2 1/2" shaft on a turbo 400 auto square body

Im going to go take other measurement, bolt pattern, other diameters
 

Radiohead

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MCMLXXIX
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C-20 Silverado Camper Special
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454 crazy cubes, or 7.4 luscious litres
It is high quality, not a cheesy china POS.

Guy I know that has a drive shaft shop in Ca does alot of race car/boat and polished aluminum show car drive shafts and he wanted $400+ just to replace the slip yoke and spline and one u-joint on new slip yoke and balance. Rebuilding the double cardan would be more $$
So this Dorman shaft was a good deal

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Wow, looks like Dorman is stepping it up a bit.
 

JD Miller

Member
Joined
Sep 30, 2024
Posts
52
Reaction score
104
Location
Goober Idaho
First Name
JD
Truck Year
1981
Truck Model
K20 silverado
Engine Size
350
Wow, looks like Dorman is stepping it up a bit.
Nope , frickin Cardon CV is 4" diameter, My original is 3 1/2" diameter. The Dorman will not clear the cross member for the trans mount. Too Big :insane:

Original shaft tube is 2" dia , Dorman is 2 1/2" dia

PS
Dormans specs say 2" diameter. I got 2 1/2" and the cardan CV is larger too

Maybe its package wrong... My box dorman sticker 938-192 part number is correct on the box
 
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legopnuematic

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225/6, 350 c.i., 350 c.i., 5.9l Cummins
The wallet with wings strikes again!
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legopnuematic

Licensed Junk Dealer
Supporting Member
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Location
MO
First Name
Spencer
Truck Year
1971, 1̶9̶7̶4, 1976, 1979,1̶9̶8̶5, 2002
Truck Model
Dart Swinger, Sierra 10, C10 Cheyenne, C10 Big Ten, Silverado 10, Ram 2500
Engine Size
225/6, 350 c.i., 350 c.i., 5.9l Cummins
Dorman definitely is a mixed bag though, I have generally had decent luck with their products, I know from others they definitely have some clinkers.

Hopefully rock auto will work with you on the return. I had ordered a set of u joint u bolts, got sent a set of outer axle bearings and seals for a 10 bolt car rear. Did the online return/problem prompt, answered the questions. Next day I get an email the replacement shipped. No complaints with the process.
 

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