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Product Details
✓ARE YOU EXPERIENCING HARD BRAKE PEDALS OR WEAK VACUUM ASSIST IN YOUR TRUCK? 904-862 Vacuum pump with Pulley module delivers constant negative pressure, eliminating stiff brake pedal feel and restoring factory power steering and booster response in commercial vehicles.
✓NEED BROAD COMMERCIAL TRUCK FITMENT COVERAGE WITH EXACT OE PART NUMBERS? Compatible with 1995-2020 Isuzu NPR and Isuzu NPR-HD commercial trucks, Replaces 904-862, 8972410351, 8-97241-035-1, and 97241035 for complete brake booster system overhaul and maintenance work.
✓WHICH SPECIFIC ENGINE DISPLACEMENTS AND FUELS ACCEPT THIS VACUUM PUMP UNIT? Compatible with 1995-2020 Isuzu NPR 3.0L 3.9L 4.8L 5.2L 4 cylinder diesel, 5.7L 6.0L V8 gas, CNG, bi-fuel, and 1995-2020 Isuzu NPR-HD 5.2L diesel, 6.0L V8 gas models under heavy commercial loads.
✓LOOKING FOR INDUSTRIAL GRADE HEAT RESISTANT HOUSINGS BUILT FOR FLEET FLEETS? Constructed with high-strength cast alloy housing, heat-resistant internal armatures, and a pre-installed drive pulley to withstand continuous engine thermal cycles, vibration, and heavy duty operation.
✓REQUIRE DIRECT REPLACEMENT MODULES FOR EFFORTLESS MAINTENANCE WORKFLOWS? Factory engineered mounting flanges, belt alignment grooves, and vacuum hose ports match original equipment directly, allowing fleet technicians to replace failing pumps without custom modifications.