super-finished chromed piston rod inhibits corrosion and provides a more consistent wear surface
piston seal adjusts as it wears to maintain a tight seal between the piston and pressure tube. this minimizes leak paths for a longer, more consistent, product life.
o-ring provides constant pressure to the inner tube and makes the valve less susceptible to dirt, wear, and fatigue leading to longer service life
drawn over mandrel (dom) pressure cylinder for a smoother surface and less resistance, resulting in increased service life
Fit type: Vehicle Specific
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CERTAINTY STARTS HERE - ACDelco maintenance and repair parts are tested to rigorous standards and backed by GM so you and your vehicle can go the distance.
