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This restrictor valve optimizes coolant circulation
leak-resistant seal between fuel system components
it helps maintain optimal operating temperatures
It ensures optimal turbocharger performance by restoring critical components
PETERBILT SUPPORT-CORNER 388/389 HOOD CAST AL LH GNG This restrictor valve optimizes coolantThe PETERBILT SUPPORT CORNER 388 389 HOOD CAST AL LH is a cast aluminum left hand corner support designed specifically for the hood of Peterbilt 388 and 389 models. Engineered for strength and durability, this component reinforces hood structure, ensuring proper alignment and stability. Its corrosion resistant construction offers long lasting performance, helping maintain hood integrity and reliable operation in demanding conditions.