Auto Parts: 1973 Blazer Steering column, tilt wheel, gmc 3500


Question
Column shift- Automatic- I want to change out for a tilt column. What years tilt columns are a bolt in swap for this column?

Answer
Hi Fred,

Here is the complete interchange for the column in your truck (yours will be the 'B' interchange, all the rest will work following the supplied notes):

A ----------
BLAZER/JIMMY (full size) 73-77 Column Shift; AT, w/tilt wheel
CHEVROLET 10 PICKUP 73-77 Column Shift; AT, w/tilt wheel
CHEVROLET 20 PICKUP 73-77 Column Shift; AT, w/tilt wheel
CHEVROLET 30 PICKUP 73-77 Column Shift; AT, w/tilt wheel
GMC 1500 PICKUP 73-77 Column Shift; AT, w/tilt wheel
GMC 2500 PICKUP 73-77 Column Shift; AT, w/tilt wheel
GMC 3500 PICKUP 73-77 Column Shift; AT, w/tilt wheel
SUBURBAN 10 73-77 Column Shift; AT, w/tilt wheel
SUBURBAN 1500 73-77 Column Shift; AT, w/tilt wheel
SUBURBAN 20 73-77 Column Shift; AT, w/tilt wheel
SUBURBAN 2500 73-77 Column Shift; AT, w/tilt wheel

B -----------
BLAZER/JIMMY (full size) 73-77 Column Shift; AT, w/o tilt wheel
CHEVROLET 10 PICKUP 73-77 Column Shift; AT, w/o tilt wheel
CHEVROLET 20 PICKUP 73-77 Column Shift; AT, w/o tilt wheel
CHEVROLET 30 PICKUP 73-77 Column Shift; AT, w/o tilt wheel
GMC 1500 PICKUP 73-77 Column Shift; AT, w/o tilt wheel
GMC 2500 PICKUP 73-77 Column Shift; AT, w/o tilt wheel
GMC 3500 PICKUP 73-77 Column Shift; AT, w/o tilt wheel
SUBURBAN 10 73-77 Column Shift; AT, w/o tilt wheel
SUBURBAN 1500 73-77 Column Shift; AT, w/o tilt wheel
SUBURBAN 20 73-77 Column Shift; AT, w/o tilt wheel
SUBURBAN 2500 73-77 Column Shift; AT, w/o tilt wheel

C -----------
BLAZER/JIMMY (full size) 79-81 Column Shift; AT, w/tilt wheel
BLAZER/JIMMY (full size) 82-83 Column Shift; (AT), w/tilt wheel
CHEVROLET 10 PICKUP 79-83 Column Shift; AT, w/tilt wheel
CHEVROLET 20 PICKUP 79-83 Column Shift; AT, w/tilt wheel
CHEVROLET 30 PICKUP 79-83 Column Shift; AT, w/tilt wheel
GMC 1500 PICKUP 79-83 Column Shift; AT, w/tilt wheel
GMC 2500 PICKUP 79-83 Column Shift; AT, w/tilt wheel
GMC 3500 PICKUP 79-83 Column Shift; AT, w/tilt wheel
SUBURBAN 10 79-83 Column Shift; AT, w/tilt wheel
SUBURBAN 1500 79-83 Column Shift; AT, w/tilt wheel
SUBURBAN 20 79-83 Column Shift; AT, w/tilt wheel
SUBURBAN 2500 79-83 Column Shift; AT, w/tilt wheel

D -----------
BLAZER/JIMMY (full size) 79-81 Column Shift; AT, w/o tilt wheel
BLAZER/JIMMY (full size) 82-83 Column Shift; (AT), w/o tilt wheel
CHEVROLET 10 PICKUP 79-83 Column Shift; AT, w/o tilt wheel
CHEVROLET 20 PICKUP 79-83 Column Shift; AT, w/o tilt wheel
CHEVROLET 30 PICKUP 79-83 Column Shift; AT, w/o tilt wheel
GMC 1500 PICKUP 79-83 Column Shift; AT, w/o tilt wheel
GMC 2500 PICKUP 79-83 Column Shift; AT, w/o tilt wheel
GMC 3500 PICKUP 79-83 Column Shift; AT, w/o tilt wheel
SUBURBAN 10 79-83 Column Shift; AT, w/o tilt wheel
SUBURBAN 1500 79-83 Column Shift; AT, w/o tilt wheel
SUBURBAN 20 79-83 Column Shift; AT, w/o tilt wheel
SUBURBAN 2500 79-83 Column Shift; AT, w/o tilt wheel

E -----------
BLAZER/JIMMY (full size) 78 Column Shift; AT, w/tilt wheel
CHEVROLET 10 PICKUP 78 Column Shift; AT, w/tilt wheel
CHEVROLET 20 PICKUP 78 Column Shift; AT, w/tilt wheel
CHEVROLET 30 PICKUP 78 Column Shift; AT, w/tilt wheel
GMC 1500 PICKUP 78 Column Shift; AT, w/tilt wheel
GMC 2500 PICKUP 78 Column Shift; AT, w/tilt wheel
GMC 3500 PICKUP 78 Column Shift; AT, w/tilt wheel
SUBURBAN 10 78 Column Shift; AT, w/tilt wheel
SUBURBAN 1500 78 Column Shift; AT, w/tilt wheel
SUBURBAN 20 78 Column Shift; AT, w/tilt wheel
SUBURBAN 2500 78 Column Shift; AT, w/tilt wheel

F -----------
BLAZER/JIMMY (full size) 78 Column Shift; AT, w/o tilt wheel
CHEVROLET 10 PICKUP 78 Column Shift; AT, w/o tilt wheel
CHEVROLET 20 PICKUP 78 Column Shift; AT, w/o tilt wheel
CHEVROLET 30 PICKUP 78 Column Shift; AT, w/o tilt wheel
GMC 1500 PICKUP 78 Column Shift; AT, w/o tilt wheel
GMC 2500 PICKUP 78 Column Shift; AT, w/o tilt wheel
GMC 3500 PICKUP 78 Column Shift; AT, w/o tilt wheel
SUBURBAN 10 78 Column Shift; AT, w/o tilt wheel
SUBURBAN 1500 78 Column Shift; AT, w/o tilt wheel
SUBURBAN 20 78 Column Shift; AT, w/o tilt wheel
SUBURBAN 2500 78 Column Shift; AT, w/o tilt wheel
==================================================================
N O T E S
==================================================================
|A| thru |F| fit as shown in notes.

A -----------
GM column,'73-74      $415 obs
GM column,'75-76      $432 obs
GM column, '77      $433 obs
GM lower shaft      $86 obs
Ident: 7815186 '73-74
Ident: 7818862 '75-76
Ident: 7827314 '77
Tilt column.
|B| fits. Difference is tilt option.
|C| fits by including its lower shaft.
|D| fits by including its lower shaft. Difference is tilt option.
|E| fits. Difference is tilt option.
|F| fits by including its lower shaft. Difference is tilt option.

B -----------
GM column,'73-74 w/o      $212 obs
GM column,'75-76 w/o      $191 obs
GM column, '77 w/o      $234 obs
GM lower shaft      $86 obs
Ident: 7815201 '73-74 w/o
Ident: 7818922 '75-76 w/o
Ident: 7827305 '77 w/o
|A| fits. Difference is tilt option.
|C| fits by including its lower shaft. Difference is tilt option.
|D| fits by including its lower shaft.
|E| fits by including its lower shaft. Difference is tilt option.
|F| fits by including its lower shaft.

C -----------
GM column      $578 obs
GM lower shaft      $224
Ident: 7831658 '79-83
Ident: 7836435 '79-83
Tilt column.
|A| fits by including its lower shaft.
|B| fits by including its lower shaft. Difference is tilt option.
|D| fits. Difference is tilt option.
|E| fits by including its lower shaft.
|F| fits by including its lower shaft. Difference is tilt option.

D -----------
GM column, '79-80 w/o      $290 obs
GM column, '81-83 w/o      $269 obs
GM lower shaft      $224
Ident: 7831675 '79-80 w/o
Ident: 7836877 '81-83
Ident: 7839616 '81-83
|A| fits by including its lower shaft. Difference is tilt option.
|B| fits by including its lower shaft.
|C| fits. Difference is tilt option.
|E| fits by including its lower shaft. Difference is tilt option.
|F| fits by including its lower shaft.

E -----------
GM column      $448 obs
GM lower shaft      $73 obs
Ident: 7829981
Tilt column.
|A| fits by including its lower shaft.
|B| fits by including its lower shaft. Difference is tilt option.
|C| fits by including its lower shaft.
|D| fits by including its lower shaft. Difference is tilt option.
|F| fits; difference is tilt option.

F -----------
GM column      $224 obs
GM intermediate shaft      $73 obs
Ident: 7829671
|A| fits by including its lower shaft. Difference is tilt option.
|B| fits by including its lower shaft.
|C| fits by including its lower shaft. Difference is tilt option.
|D| fits by including its lower shaft.
|E| fits; difference is tilt

====================================================================

Thanks for the question, I hope this information was helpful to you.
Fred
Knucklebusters Used Auto & Truck Parts, Inc.
www.knucklebusters.us
570-453-0910
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