DW10 / 2.0 HDi / 2.0 TDCi / D4204T · Remanufactured
DW10 / 2.0 HDi / 2.0 TDCi / D4204T Remanufactured Common Rail Injector
RHR, RHD, RHL, RHG, RHK, RHF, DW10CB, DW10BTED4, DW10CTED4, AZWA, AZWC, KLWA
Hard starting when warm / extended cranking; rough idle immediately after start; loss of power with rail-pressure faults (limp mode); white smoke on start-up; engine cutting out when hot. When two or more appear together, suspect the injector before peripherals — a comparative leak-off test isolates the failed unit without tear-down.
Piezo injector internal leak-back rising with temperature; rail pressure failing to build during hot cranking; injector back-leak overwhelming high-pressure pump delivery; wiring/connector chafing causing injector circuit faults. Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.
Measure injector back-leak (leak-off) both cold and fully warm before condemning — this family's leak-back typically worsens with temperature. Compare requested vs actual rail pressure during cranking in live data. Piezo injectors must never be energised with solenoid-type test currents. Fit new sealing washers and follow the manufacturer classification/coding procedure after replacement. Never condemn a common-rail injector on a fault code alone.
Each remanufactured 5WS40156Z is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is calibrated on a common-rail test bench against the manufacturer's specification — delivery, back-leak and response verified — and despatched with a 12-month parts warranty and its calibration data on file.
The 5WS40156Z trusted family covers 23 verified vehicle fitments across 5 makes: Citroen, Fiat, Ford, Peugeot and Volvo. Every fitment listed is registry-verified.
5WS40156Z cross-references 24 further OE numbers, including 5WS40156, 562001510, AAA9858640010, 1980J5, 1317367, 1373550, 36000318 and 36000319. Always match the reference etched on your failed unit's body.

UK diesel injector specialists supplying OEM tested and calibrated remanufactured injectors. Trusted by garages and mechanics nationwide with 12-month warranty on every part.