KINGSTEEL D4HA / D4HB Injector Pump – OEM-Reference
Engineered for Hyundai/Kia R‑Series diesel powertrains, the KINGSTEEL high‑pressure common‑rail injector pump delivers precise fuel metering and dependable rail pressure under all driving conditions. Built to OE specifications and calibrated for the D4HA (2.0 CRDi) and D4HB (2.2 CRDi) engines, it’s a direct-fit solution that helps restore starting performance, throttle response, and fuel efficiency.
Key Features & Benefits
- Direct replacement for OEM part number:
- Application-specific for Hyundai/Kia R‑Series engines: D4HA and D4HB
- Precision-calibrated delivery ensures stable rail pressure across RPM and load
- Durable, wear-resistant internals and tight manufacturing tolerances for long service life
- Helps reduce smoke, rough idle, and hard starts associated with pressure loss
- Each unit undergoes stringent flow, pressure, and leak testing
What’s Included
- High-Pressure Common Rail Injector Pump (HPFP) assembly
Note: Ancillary brackets, sensors, and lines are not included unless specified by your order. Transfer any model-specific fittings from your original unit as required.
Compatibility & Fitment Guidance
- Engine codes: D4HA (2.0 CRDi), D4HB (2.2 CRDi)
- Vehicle families: Hyundai and Kia models equipped with the above engines (availability by market and model year)
- Best practice: Confirm by VIN and the OEM reference before purchase
Symptoms This Pump Can Address
- Hard starting or no start when hot or cold
- Low power, hesitation, or poor acceleration
- Rail pressure-related fault codes and rough idle
- Excessive smoke or fuel knock due to unstable pressure
Installation Notes
- Professional installation recommended
- Prime/bleed the fuel system and replace the fuel filter during installation
- Use clean, high-quality diesel; inspect lines for contamination
- Some applications may require scan-tool adaptation or relearn
Cross-Reference
- OEM/Reference: (also written as 331002F000)
Choose KINGSTEEL for dependable quality and a precise, OE-level fit on your R‑Series diesel.