power steering box ID#
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From: Little Falls,New York
power steering box ID#
Please help!!!I have a hellish conglomeration of different year parts in my truck and cannot positively ID the transplanted steering box in my truck.The tag on top has the number SPA 79B 28. Any info is GREATLY appreciated!!!It has a three bolt pattern with a flexible rubber joint.It is a power steering box.
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Joined: Aug 2005
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From: Gadsden Purchase
Originally Posted by gearhed1971
Please help!!!I have a hellish conglomeration of different year parts in my truck and cannot positively ID the transplanted steering box in my truck.The tag on top has the number SPA 79B 28. Any info is GREATLY appreciated!!!It has a three bolt pattern with a flexible rubber joint.It is a power steering box.
The metal tag on my power steering gear sez:
SPA AN
75A 13B
The tag has a yellow plastic button -in- it and don't know if the color means anything. Anyone know?
What's your gear's part number? (look through the wheel well)
Mine is D1TR-3550-BA and my spare is D7TC-3550-BA (that I've used and repulled after fixing the original).
The original needed a line-boring job so bronze bushings could be installed.
That re-work fixes the sloppyassford steering right up!
Alvin in AZ
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Joined: Aug 2005
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From: Gadsden Purchase
Originally Posted by gearhed1971
where is the part number exactly?Is it the one that runs from front to back on the side toward the engine?
Look through the wheel well.
<just looked at my post, I -did- add that! ;>
Unless your pickup's a right hand drive, it's opposite of the engine.
The number's "upside down" and there are cast-in screw heads on either end of the part number.
But the date of manufacture or your steering gear is Feb 79 and the four numbers you'll find are the same as mine 3550 since all they are is a part description, like, 3550 = "steering gear assembly". 3548= "steering gear housing", BTW.
So it'll be DxTx-3550-xx. And D7TC-3550-BA is a pretty good guess?
D7Tx- means it's first use on the production-line of the newly designed or re-designed part was 1977 and it was used in a Truck. You'll notice D9TE- or D9AE- on your engine parts, or earlier designed stuff, could go back to the 60's with C7Ax- like it is on my Ford-9-inch differential housing. I've only seen a couple Bxxx- parts.
My '75 F150 came with a power steering gear assembly marked D1TR-3550-BA.
So, the last update to the design was in '71.
Alvin in AZ
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