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Fuel Pressure Regulator, LB7, 2001-2004 Duramax GM Part 97728979 Bosch fuel pressure regulators are made of corrosion resistant housing material and premium diaphragm materials for longer service life. Internal precision components maintain stable fuel pressure and ensure adequate fuel return. Look to Bosch as your engine management authority. Bosch Number: BOS86829
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🇺🇸 Ship from USA · On Agora since 2026
$227.88