The Renault H5F 408 is a 1,332 cc, inline‑four turbocharged petrol engine produced from 2018 to present. It features direct fuel injection, a twin — scroll turbocharger, and double overhead camshafts (DOHC) with variable valve timing (VVT). This engine typically produces 115 kW (156 PS) and 260 Nm of torque, engineered for responsive performance with improved efficiency.
Fitted to models like the Renault Clio V, Captur II, and Arkana, the H5F 408 was designed to offer a bl…
All production years (2018–Present) meet Euro 6d standards for passenger vehicles .
The Renault H5F 408 is a 1,332 cc inline‑four turbocharged petrol engine engineered for compact and crossover vehicles (2018-Present). It combines direct fuel injection with a twin-scroll turbocharger to deliver strong low-end torque and efficient high-speed cruising. Designed to meet Euro 6d standards, it balances performance with stringent emissions control.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,332 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 72.2 mm × 81.3 mm | |
Power output | 115 kW (156 PS) | |
Torque | 260 Nm @ 1,500–3,500 rpm | |
Fuel system | Direct injection (Continental HDEV6) | |
Emissions standard | Euro 6d | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Twin-scroll turbo (Mitsubishi Heavy Industries) | |
Timing system | Chain-driven | |
Oil type | Renault RN17 5W‑30 (or RN0720) | |
Dry weight | 120 kg |
The Renault H5F 408 was used across Renault's CMF-B platform with transverse mounting. This engine received platform-specific adaptations-unique engine mounts and exhaust routing for the Clio V-and is also used in Nissan and Mitsubishi models under the Renault-Nissan-Mitsubishi Alliance, creating a broad parts ecosystem. All adaptations are documented in OEM technical bulletins.
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The H5F 408's primary reliability consideration is oil dilution in vehicles subjected to persistent short-trip driving in cold climates. Renault internal quality reports indicated this is a manageable condition with updated software, while fleet data shows it is rare in vehicles following recommended maintenance. Regular oil level checks and adherence to the software update bulletin are critical mitigation strategies.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The H5F 408 is a modern, efficient engine with robust hardware. Its main consideration is potential oil dilution under specific cold-weather, short-trip conditions, which is largely mitigated by the RSB 21-008 software update. With regular oil changes using the correct specification and allowing the engine to warm up fully, these engines are expected to be very reliable for high mileages.
The most discussed issue is oil dilution in specific driving conditions, addressed by a software update. Other potential issues include high-pressure fuel pump noise, GPF clogging from short trips, and occasional turbo actuator faults. These are documented in Renault service bulletins and are generally manageable with proper maintenance.
The H5F 408 is used in the fifth-generation Renault Clio (HB0/1), second-generation Renault Captur (HA0/1), and Renault Arkana (HA0/1) from 2019 onwards. It is also found in the Nissan Juke (F16) and the latest Mitsubishi ASX (GA4W), as part of the Renault-Nissan-Mitsubishi Alliance.
Aftermarket ECU tuning is common on the H5F-408 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
Fuel economy is excellent for its performance. In a Renault Clio TCe 150, expect around 6.0-7.0 L/100km (40-47 mpg UK) in mixed driving. Highway cruising can yield 5.0-5.5 L/100km (51-56 mpg UK). Economy is optimized when the GPF can regenerate passively, so longer journeys yield the best results.
Yes. The H5F 408 is an interference engine. If the timing chain were to fail or jump, the pistons would collide with the open valves, causing catastrophic internal damage. Fortunately, the timing chain is designed for the engine's lifetime and is very durable with proper oil maintenance.
Renault specifies a 5W-30 synthetic oil meeting the RN17 or RN0720 (ACEA C5/C4) standard. This low-SAPS oil is essential for protecting the GPF and turbocharger. Using the correct oil and changing it every 15,000 km or annually is crucial for engine and emissions system health.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
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