0445010247 Bo-Sch Fuel Injection System Common Rail High Pressure Pump

FAQ 1
Q: No rail pressure, engine won’t start after fitting
A: Bleed air and change filters. Replace pump if plunger/overflow valve is faulty.
FAQ 2
Q: Unstable rail pressure leads to rough idle & stall
A: Clean metering valve and check air leaks. Replace pump if malfunction persists.
FAQ 3
Q: Weak power uphill with low rail pressure fault
A: Replace fuel filter first. Replace pump if internal wear causes insufficient pressure.
FAQ 4
Q: Abnormal knocking noise from fuel pump
A: Impure/watery diesel causes abrasion. Drain tank and stop using if noise continues.
FAQ 5
Q: Hard restart with rapid rail pressure drop
A: Check valve or plunger seal fails to hold pressure. Replace the complete pump.
FAQ 6
Q: Metering unit and pump break down often
A: Dirty diesel and clogged filters cause damage. Use clean fuel and service filters regularly.
Specialized in complete diesel engine spare parts including fuel injectors, high-pressure fuel pumps and engine ECUs, we solve your trouble of hard-to-match auto components.
Every injector, pump and ECU is fully calibrated and strictly bench-tested before shipment to avoid engine failure and repeated maintenance. We carry full series solenoid & piezo injectors, matching ECUs and original pumps for Toyota, Denso, bo-sch vehicles.
We support global auto wholesalers, repair garages and importers with rich in-stock items, flexible mixed MOQ, professional model matching guidance and fast worldwide delivery. All our products come with a 12-month global warranty.
Choose us for stable quality, competitive price and one-stop technical support, your trusted long-term diesel parts partner.