F-250 highboy
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Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
The Ford parts catalog shows this fitting 73-76 F250 4WD but I believe that it's also for the early '77 F250 4WD. In Feb. '77 (s/n Y20,001) the F250 became "lowboys" and the steering system changed to integral power steering instead of the power assist that you have.
Bushing kit, power steering cylinder piston rod end bushing
D3TZ-3C590-A
Last dealer cost $26.45, last list $44.08
Green Sales, Cincinnati, OH has 1 (800) 543-4959
Bayer Ford-Mercury, Comanche, TX has 2 (325) 356-2777
Schaumburg Ford, Schaumburg, IL has 4 (847) 605-0800
Autonation Ford-Lincoln, Morrow, GA has 7 (770) 964-8604
Ted Britt Ford-Lincoln, Chantilly, VA has 6 (703) 673-2360
Pacifico Marple Ford-Lincoln-Mercury, Broomall, PA has 2 (610) 353-7220
There are more available, let me know if you want more contact info.
Here is the illustration from the parts catalog.
BTW, welcome to FTE. Lots of good people here.
Bushing kit, power steering cylinder piston rod end bushing
D3TZ-3C590-A
Last dealer cost $26.45, last list $44.08
Green Sales, Cincinnati, OH has 1 (800) 543-4959
Bayer Ford-Mercury, Comanche, TX has 2 (325) 356-2777
Schaumburg Ford, Schaumburg, IL has 4 (847) 605-0800
Autonation Ford-Lincoln, Morrow, GA has 7 (770) 964-8604
Ted Britt Ford-Lincoln, Chantilly, VA has 6 (703) 673-2360
Pacifico Marple Ford-Lincoln-Mercury, Broomall, PA has 2 (610) 353-7220
There are more available, let me know if you want more contact info.
Here is the illustration from the parts catalog.
BTW, welcome to FTE. Lots of good people here.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 790
From: Simi Valley, CA
The Ford parts catalog shows this fitting 73-76 F250 4WD but I believe that it's also for the early '77 F250 4WD.
In Feb. '77 (s/n Y20,001) the F250 became "lowboys" and the steering system changed to integral power steering instead of the power assist that you have.
Bushing kit, power steering cylinder piston rod end bushing: D3TZ-3C590-A / Available from Ford
In Feb. '77 (s/n Y20,001) the F250 became "lowboys" and the steering system changed to integral power steering instead of the power assist that you have.
Bushing kit, power steering cylinder piston rod end bushing: D3TZ-3C590-A / Available from Ford
Use with Garrison & Bendix Power Assist P/S
Garrison: 1973/75 F100 4WD; 1975 F150 4WD; 1973 F250 4WD; 1974 F250 4WD before serial number T80,001.
Bendix: 1974 F250 4WD from serial number T80,001 / 1975/76 F250 4WD / 1977 F250 4WD before serial number Y20,001.
Applications: 1973/75 F100/250 4WD / 1976 F250 4WD / 1977 F250 4WD (High Boy) before serial number Y20,001.
Parts catalog is in error when it says 1973/76, because the same cylinder was used on all 1974/77 F250 4WD High Boys with Bendix P/S
Shown as 3C590 in lower parts catalog pic:
Thread Starter
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New User
Joined: Jan 2017
Posts: 4
Likes: 0
gear ratio's
On my 77 Highboy I do have the normal 44 Dana front end in 60 Dana rear end. I need to replace the ring and pinion in the rear end which is a 410 ratio but before I bought the parts or I'm going to buy the parts I figured I would look at the front and to see if they were the same and what I'm reading on the Ring of the front end is 45 - 11 is this normal or should it also be a 4:10?
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