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Home >> Chevrolet >> 1990 >> Lumina L4-151 2.5L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Oil Pump, Engine >> Dimension/Clearance Specifications
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Dimension/Clearance Specifications

Vin R & U, Gear Values
Gear Pocket Depth 0.514-0.516 Inch (in)
Pump Gear Thickness 0.511-0.512 Inch (in)