Product Overview
Engineered for Hyundai/Kia diesel applications using the D4HA and D4HB Common Rail Diesel (CRDi) engines, the KINGSTEEL Fuel Rail Assembly ensures precise, consistent fuel delivery under high pressure. Built for OE-style fit and dependable performance, it’s a direct replacement reference for 31400-2F000.
Key Features & Benefits
- OE-style fit for D4HA / D4HB CRDi engines for straightforward installation.
- Precisely machined rail body promotes stable fuel pressure and even distribution to all cylinders.
- Durable construction and quality materials designed for long service life under high-pressure diesel operation.
- Helps restore smooth idle, cold starts, throttle response, and overall engine efficiency.
- Factory-style ports for injector lines and pressure/sensor interfaces for an easy, clean swap.
Fitment & Reference
- Engine codes: D4HA / D4HB (Common Rail Diesel)
- Reference part number: 31400-2F000
- Brand: KINGSTEEL
What’s Included
- Fuel Rail Assembly (rail body with threaded ports for high-pressure lines/sensor interfaces)
Installation Notes
- Professional installation recommended; follow factory torque specs and procedures.
- Inspect and replace sealing washers/lines as needed; ensure system cleanliness before assembly.
- Prime the fuel system, check for leaks, and clear any stored diagnostic codes after installation.
