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This is a custom CNC machined adapter for converting your late model LS power steering pump high-pressure outlet to fit 1979 and older GM style 3/8 inverted flare fittings. This brass fitting will thread into the high pressure flow valve on your 1980+ GM power steering pump to allow you to use factory 1979 and older invertered flare lines. Includes the viton o-ring. Will fit all Gen 3 and Gen 4 LS power steering pumps including Corvette, Camaro, GTO, CTSV, and Vortec Truck power steering pumps.
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Pressure |
Return |
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LS Power Steering Pump |
M16x1.5 O-Ring |
Hose Clamp |
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Before 1980 Gearbox (SAE) |
5/8"-18 |
11/16"-18 |
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After 1980 Gearbox (Metric O-Ring) |
M16x1.5 O-Ring |
M18x1.5 O-Ring |
 
If your O-ring is old and hard, use the following part number for replacements: GM 26001594
DO NOT use any O-ring you find at the parts store. The Metric O-Ring fitting requires an O-Ring made of Viton so the power steering fluid doesn't destroy them.
O-Ring Technical Info: 903 (7.65mm ID x 1.63mm C/S or .301 ID x .064 C/S) Viton
Make sure there isn't an O-ring already in the power steering pump from the old line!
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