The Renault S8U 722 is a 2,298 cc, inline‑four turbo‑diesel engine produced between 2010 and 2018. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivered 110 kW (150 PS) and 360 Nm of torque, engineered for a balance of load — carrying capability and motorway refinement.
Fitted to models such as the Renault Master, Trafic, and Nissan NV300, the S8U 722 was designed for commercial a…
All production years 2010–2018 meet Euro 5 standards .
The Renault S8U 722 is a 2,298 cc inline‑four turbo‑diesel engineered for light commercial vehicles (2010–2018). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver strong low‑rpm torque and reliable load-carrying performance. Designed to meet Euro 5 standards, it balances fleet durability with operational economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,298 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 88.0 mm × 94.5 mm | |
Power output | 110 kW (150 PS) | |
Torque | 360 Nm @ 1,500–2,500 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 1,800 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Garrett) | |
Timing system | Chain (front‑mounted) | |
Oil type | Renault RN0720 (SAE 5W‑30) | |
Dry weight | 215 kg |
The Renault S8U 722 was used across Renault's light commercial platforms with longitudinal mounting and shared with Nissan under the Renault–Nissan Alliance. This engine received platform-specific adaptations—reinforced mounts in the Master and revised cooling in the Trafic III—and from 2014 the updated fuel system with CP4.2 pump revisions, creating interchange limits. Partnerships enabled Nissan's NV300 and Primastar to use this engine unchanged. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
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 S8U 722 offers strong torque and fleet durability, but early models (2010–2013) had high-pressure fuel pump concerns. Later revisions (post-2014) improved pump reliability significantly. Regular servicing, use of EN 590 diesel, and RN0720 oil greatly enhance longevity.
Top issues include high-pressure fuel pump failure, DPF clogging from short trips, EGR valve carbon buildup, and turbo actuator drift. These are well-documented in Renault service bulletins 77 10 05 and 77 12 11, particularly in urban delivery fleets.
This 2.3L diesel powered the Renault Master III (2010–2018), Trafic III (2014–2018), and under the Renault–Nissan Alliance, the Nissan NV300 and facelifted Primastar (2014–2018). All applications are Euro 5-compliant light commercial vehicles.
Aftermarket ECU tuning is common on the S8U-722 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.
In a Renault Master dCi 150, real-world consumption is ~8.5 L/100km (urban) and ~6.2 L/100km (highway), or about 33 mpg UK combined. Fuel economy varies significantly with load and route; expect 28–38 mpg UK in mixed commercial use.
Yes. The S8U series uses an interference design. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic internal damage. However, the front-mounted chain is generally robust with proper maintenance.
Renault specifies 5W-30 synthetic oil meeting RN0720 standard. Always use OEM-approved oil and change every 20,000 km or annually to protect the turbo, chain, and emissions systems from soot-related wear.
Comprehensive technical documentation and regulatory references
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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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