OEM NK62-14B227-AB Hybrid Battery DC Inverter Converter Module for Land Rover Jaguar
Part Number: NK62-14B227-AB (OEM Genuine Jaguar Land Rover / JLR)
Product Name: 48V-to-12V Hybrid Battery DC-DC Inverter Converter
Module Status: Used
This is a factory-original power conversion module designed for Jaguar Land Rover’s 48V mild hybrid (MHEV) powertrain systems. It acts as the critical interface between the high-voltage 48V hybrid battery and the 12V auxiliary electrical system, delivering stable, regulated power to all vehicle electronics while supporting energy recovery and efficient hybrid operation. Built to JLR’s exacting OEM standards, it integrates voltage conversion, energy management, and electrical safety protection in a compact, vehicle-specific housing.
Key Functions
- 48V-to-12V Voltage Conversion: Converts high-voltage 48V DC from the hybrid battery to stable 12V DC to power all 12V vehicle systems (lighting, infotainment, ECUs, sensors, and accessories).
- 12V Battery Charging & Energy Management: Maintains optimal charge of the 12V starter battery and captures regenerative braking energy to improve overall hybrid system efficiency.
- High/Low Voltage Isolation: Provides electrical isolation between 48V and 12V circuits to prevent cross-circuit risks and ensure compliance with automotive safety standards.
- Multi-Layer Safety Protection: Includes over-voltage, under-voltage, over-current, over-temperature, and short-circuit protection to safeguard the module and connected vehicle systems.
- CAN Bus Communication: Transmits real-time voltage, current, and status data to the Hybrid Control Unit (HCU) and Engine Control Module (ECM) via CAN bus for intelligent power regulation.
- Diagnostic Compatibility: Supports JLR diagnostic tools (e.g., SDD, Pathfinder) for fault code reading, programming, and system calibration after installation or replacement.
- Compatible Models (Land Rover & Jaguar 48V MHEV Only)
This module is engineered for 48V mild hybrid (MHEV) vehicles (2020–2024 model years, 2.0L/3.0L gasoline engines). Final fitment must be verified by VIN and production date.
Land Rover Models
- Defender (L663): 90, 110, 130 (3.0L I6 MHEV)
- Range Rover (L460): 3.0L I6 MHEV
- Range Rover Sport (L461): 3.0L I6 MHEV
- Discovery 5 (L462): 2.0L/3.0L MHEV
- Range Rover Velar (L560): 2.0L/3.0L MHEV
- Range Rover Evoque (L551): 2.0L MHEV
- Discovery Sport (L550): 2.0L MHEV
- Jaguar Models
F-Pace (X761): 2.0L/3.0L MHEV
E-Pace (X540): 2.0L MHEV
XF (X260): 2.0L MHEV
XE (X760): 2.0L MHEV
F-Type (X152): Select 2.0L MHEV variants (VIN verification required)
Important Notes
- Exclusively for 48V MHEV: Not compatible with PHEV, full EV, or non-hybrid gasoline/diesel models.
- RHD/LHD Compatibility: Fits both right-hand drive (RHD) and left-hand drive (LHD) variants of the listed models.
- Cross-References: Replaces OEM part numbers: N8B2-14B227-AD, LR176473, LR131043, 433123464.












