The Renault K9K 724 is a 1,461 cc, inline‑three turbo‑diesel engine produced between 2008 and 2015. It features a robust cast‑iron block, double overhead camshafts (DOHC), and a fixed‑geometry turbocharger, delivering outputs of 66 kW (90 PS) and 200 Nm of torque. Its compact three‑cylinder layout enables strong low‑rpm torque for everyday drivability in small vehicles.
Fitted primarily to the Mk2 Renault Clio and Modus, the K9K 724 was engineered for urban efficiency…
Production years 2008–2012 meet Euro 4 standards; 2013–2015 models may have Euro 5 compliance depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Renault K9K 724 is a 1,461 cc inline‑three turbo‑diesel engineered for supermini and compact MPV applications (2008-2015). 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 some market‑specific Euro 5) standards, it balances urban agility with economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,461 cc | |
Fuel type | Diesel | |
Configuration | Inline‑3, DOHC, 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 | Siemens VDO common‑rail (up to 1,350 bar) | |
Emissions standard | Euro 4 (pre‑2013); Euro 5 depending on market | |
Compression ratio | 16.3:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Fixed‑geometry turbo (Garrett) | |
Timing system | Chain‑driven | |
Oil type | Renault RN0710 (SAE 5W‑30) | |
Dry weight | 115 kg |
The Renault K9K 724 was used across Renault's B/C platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Modus for NVH control-and from 2012 minor ECU and emissions calibrations were updated for Euro 5 compliance in select markets, creating minor software interchange limits. All adaptations are documented in OEM technical bulletins.
The K9K 724's primary reliability risk is dual-mass flywheel (DMF) failure, with elevated incidence in high-mileage or stop-start urban use. Renault internal service data indicated a significant portion of engines required DMF replacement before 150,000 km, while UK DVSA records show EGR-related faults as a common MOT advisory item. High torque loads and frequent gear changes accelerate DMF wear, making clutch replacement a recommended concurrent procedure.
Analysis derived from Renault technical bulletins (2010-2016) and UK DVSA failure statistics (2016-2023). 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 724 is generally robust mechanically, with a durable chain-driven timing system. Its main long-term concern is the dual-mass flywheel, which often fails between 100,000-150,000 km. With proactive replacement of the DMF and clutch, and regular oil changes using RN0710 spec, these engines can easily exceed 200,000 km.
The most frequent issues are dual-mass flywheel failure (causing judder), EGR valve clogging (leading to rough running), and turbo actuator faults (resulting in loss of power). Glow plug failures are also common as the engine ages. These are well-documented in Renault service information.
The K9K 724 1.5 dCi 90 engine was primarily used in the facelifted second-generation Renault Clio (2008-2012) and the Renault Modus (2008-2012). Later models (2013-2015) used a slightly updated version for Euro 5 compliance, still badged as dCi 90.
Yes, the K9K 724 responds well to ECU remapping. A Stage 1 remap can safely increase power to around 110-115 PS and torque to 240-250 Nm. The standard turbo and internals can handle this increase. More power requires upgraded turbo, injectors, and clutch to handle the extra torque reliably.
Excellent for its era. In a Renault Clio dCi 90, expect real-world figures of 4.5-5.0 L/100km (56-52 mpg UK) on a mixed run. Highway cruising can yield under 4.0 L/100km (70+ mpg UK). City driving will be higher, around 5.5-6.0 L/100km (51-47 mpg UK).
Yes. The K9K series is an interference engine. If the timing chain were to fail (which is rare with proper maintenance), the pistons would collide with the open valves, causing catastrophic internal engine damage. Fortunately, the chain is very durable.
Renault mandates oil meeting the RN0710 specification, typically a 5W-30 synthetic. Using the correct low-SAPS (Sulphated Ash, Phosphorus, Sulphur) oil is crucial for protecting the emissions system and ensuring long chain life. Change intervals should not exceed 15,000 km or 1 year.
Comprehensive technical documentation and regulatory references
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RENAULT Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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
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