The Renault K9K 774 is a 1,461 cc, inline‑three turbo‑diesel engine produced between 2008 and 2018. It features a cast iron block, aluminium cylinder head, common rail direct injection, and a fixed‑geometry turbocharger. In standard form it delivered 66 kW (90 PS), with torque figures of 200 Nm, providing strong low‑rpm pull for urban drivability.
Fitted to models such as the Clio III, Mégane III, and Dacia Duster, the K9K 774 was engineered for compact car efficiency and l…
Production years 2008–2010 meet Euro 4 standards; 2011–2018 models meet Euro 5 compliance depending on market .
The Renault K9K 774 is a 1,461 cc inline‑three turbo‑diesel engineered for supermini and compact SUV applications (2008-2018). It combines common‑rail direct injection with a fixed‑geometry turbocharger to deliver responsive low‑end torque and frugal fuel consumption. Designed to meet Euro 4 and Euro 5 standards, it prioritizes urban efficiency and cost‑effective ownership.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,461 cc | |
Fuel type | Diesel | |
Configuration | Inline‑3, SOHC, 12‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 76.0 mm × 80.5 mm | |
Power output | 66 kW (90 PS) | |
Torque | 200 Nm @ 1,750 rpm | |
Fuel system | Denso common‑rail (up to 1,600 bar) | |
Emissions standard | Euro 4 (pre‑2011); Euro 5 (2011+) | |
Compression ratio | 15.8:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Fixed‑geometry turbo (Garrett) | |
Timing system | Belt‑driven camshaft | |
Oil type | Renault RN0710 (SAE 5W‑30) | |
Dry weight | 110 kg |
The Renault K9K 774 was used across Renault's B/C-segment platforms with transverse mounting and licensed to Dacia and Nissan. This engine received platform-specific adaptations-reinforced mounts in the Duster and revised cooling in the Mégane-and from 2011 the facelifted Clio models adopted revised ECU mapping for Euro 5 compliance, creating minor software interchange limits. Partnerships allowed Nissan's 1.5 dCi units to share core architecture. 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 K9K 774 is generally robust mechanically, but its long-term reliability heavily depends on maintenance and driving style. Vehicles used for long journeys and serviced regularly with the correct oil can exceed 200,000 km. The main threats are EGR/DPF issues from short trips and neglected services.
The most frequent issues are EGR valve/cooler clogging, DPF regeneration failures, turbo actuator faults, and injector seal leaks. These are well-documented in Renault service bulletins and are often linked to urban driving patterns and maintenance neglect.
This 1.5 dCi 90 engine was used in the Renault Clio III (2008-2012), Mégane III (2008-2015), and Kangoo II. It was also licensed to Dacia for the Duster (2010-2018) and to Nissan for the Note E11 (2010-2013) and Micra K13.
Aftermarket ECU tuning is common on the K9K-774 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.
Excellent for its era. In a Clio III, expect 4.5 L/100km (63 mpg UK) on a combined cycle. Real-world figures typically range from 55-65 mpg UK, depending on the model, driving style, and whether EGR/DPF systems are functioning correctly.
Yes. The K9K 774 is an interference engine. If the timing belt snaps, the pistons will collide with the open valves, causing catastrophic engine damage. Replacing the belt at the recommended interval (typically 120,000 km or 5 years) is non-negotiable.
Renault specifies a 5W-30 synthetic oil meeting the RN0710 (or newer RN17) standard. This low-SAPS oil is critical for protecting the DPF and EGR system. Using the wrong oil will lead to premature DPF clogging and potential engine damage.
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.
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