duramax-lbz-lmm-bosch-new-fuel-pressure-regulator-part-number Home / Chevy / GMC Duramax Injectors / LLY 2004.5-2005 / Chevy / GMC Duramax LLY Accessories / LLY Bosch ® New Fuel Pressure Regulator / duramax-lbz-lmm-bosch-new-fuel-pressure-regulator-part-number Written By Anna Mullen April 23rd, 2021 Share this...FacebookPinterestTwitterLinkedin