Power steering pump O-ring

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tman

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Aug 30, 2024
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Location
Stockton California
First Name
Tim
Truck Year
1974
Truck Model
K1500
Engine Size
350
Hey all , I'm trying to find out what size O-ring goes on the high pressure fitting on the power steering pump. The correct O-ring is only sold with a new pump. Any ideas guys??
 

Novapwr

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Feb 3, 2023
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Location
PA
First Name
Dave
Truck Year
1978
Truck Model
K10 Stepside
Engine Size
250
I can't answer your question but I did have an issue with not knowing an oring size. I grabbed one of those plastic assortments of orings and test fit a couple and found one that worked. Since then, I have actually found use for several more over the past couple years. Just needed one the other day for an old Senco framing nailer and lo and behold I had it in that kit. Kids will probably toss the rest someday when I'm gone but that's my story and I'm stickin to it.
 

Ricko1966

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kansas
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Rick
Truck Year
1975
Truck Model
c20
Engine Size
350
I don't know if this will help. I think the correct number is 15 35055. But here's a link for how to measure O rings
 

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