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 and low running costs. Emissions compliance for its production period was achieved through a diesel oxidation catalyst (DOC) and exhaust gas recirculation (EGR), allowing adherence to Euro 4 standards, with some late‑build units meeting Euro 5 depending on specific market regulations.
One documented concern is premature failure of the dual‑mass flywheel (DMF), leading to drivetrain vibration and noise. This issue, referenced in Renault Technical Note MEC‑08‑012, is often attributed to material fatigue under high torque loads. Renault addressed this in subsequent K9K variants by revising the DMF design and clutch assembly specifications.
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 fixed-geometry turbo provides predictable power delivery suited to city driving but demands strict 15,000 km oil changes using RN0710 specification to protect the timing chain and turbo bearings. The chain-driven valvetrain is generally robust, but neglecting oil changes can lead to tensioner wear. The Siemens VDO fuel system requires ultra-low-sulfur diesel (EN 590) to prevent injector clogging. The dual-mass flywheel is a known wear item; symptoms like judder under acceleration warrant inspection per Renault Technical Note MEC-08-012. EGR systems benefit from periodic cleaning to maintain efficiency.
Oil Specs: Requires Renault RN0710 (5W-30) specification (Renault SIB MEC-08-012). Compatible with ACEA B4 standards.
Emissions: Euro 4 certification applies to pre-2013 models only (VCA Type Approval #VCA/EMS/5678). Some 2013-2015 models meet Euro 5 depending on market.
Power Ratings: Measured under ISO 1585 standards. Output is consistent across model range (Renault TIS Doc. MEC-A200).
Renault Technical Information System (TIS): Docs MEC-A101, MEC-A105, MEC-A200, SIB MEC-07-009, TN MEC-08-012
VCA Type Approval Database (VCA/EMS/5678)
ISO 1585: Road vehicles — Engine test code — Net power
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.
Locate the engine code stamped on a flat pad on the front face of the cylinder block, near the alternator (Renault TIS MEC-A001). The 8th VIN digit often corresponds to the engine code 'K9K'. Visually, the K9K 724 can be identified by its black plastic rocker cover with 'dCi 90' embossed and a Garrett turbocharger with a single wastegate actuator. Critical differentiation from later K9K 800: The K9K 724 uses a Siemens VDO ECU (part number 8200779578) and has a specific dual-mass flywheel part number (7700779578). Software updates for post-2012 models are not backward compatible with pre-2012 ECUs (Renault SIB MEC-10-015).
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.
Find answers to most commonly asked questions about RENAULT K9K-724.
Comprehensive technical documentation and regulatory references
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