The Renault K9K 752 is a 1,461 cc, inline‑three turbo‑diesel engine produced between 2007 and 2018. It features a cast iron block, aluminium cylinder head, and a single overhead camshaft (SOHC) with 12 valves. Equipped with a fixed‑geometry turbocharger and common rail direct injection, it delivers 66 kW (90 PS) and 200 Nm of torque, offering strong low‑rpm pull for urban drivability.
Fitted to models such as the Clio III, Mégane III, and Kangoo, the K9K 752 was engineered for compact car efficiency and low running costs. Its character prioritises fuel economy and accessible torque over outright power. Emissions compliance was managed through exhaust gas recirculation (EGR) and an oxidation catalyst, meeting Euro 4 and later Euro 5 standards.
One documented concern is EGR valve and cooler clogging, particularly in vehicles subjected to frequent short trips, as noted in Renault Technical Note MEG‑07‑03‑01. This is caused by condensation and soot accumulation restricting gas flow. From 2010, revised EGR components and updated engine management software were introduced to mitigate the issue.
Production years 2007–2009 meet Euro 4 standards; 2010–2018 models meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).
The Renault K9K 752 is a 1,461 cc inline‑three turbo‑diesel engineered for supermini and compact MPV applications (2007-2018). It combines a robust cast iron block with common‑rail direct injection to deliver accessible low‑end torque and frugal operation. Designed to meet Euro 4 and Euro 5 emissions standards, it prioritises cost‑effective ownership and urban efficiency.
| 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 | Bosch CP1 common‑rail (up to 1,350 bar) | |
| Emissions standard | Euro 4 (2007–2009); Euro 5 (2010–2018) | |
| Compression ratio | 16.3:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Fixed‑geometry turbo (Garrett) | |
| Timing system | Chain‑driven camshaft | |
| Oil type | Renault RN0710 (SAE 5W‑30) | |
| Dry weight | 115 kg |
The fixed-geometry turbo provides predictable, lag-free torque ideal for city driving but is susceptible to EGR system clogging if used predominantly for short journeys. Renault RN0710 (5W-30) oil is mandatory to protect the high-pressure fuel system and maintain emissions component longevity. The timing chain is generally robust but requires periodic inspection of the tensioner. Vehicles should be driven on longer journeys periodically to allow the DPF (where fitted on later models) and EGR system to self-clean. Pre-2010 units benefit from the EGR cooler upgrade per Technical Note MEG-07-03-01.
Oil Specs: Requires Renault RN0710 (ACEA B4) specification (Renault Owner's Manual). Compatible with ACEA C3 if RN0710 unavailable.
Emissions: Euro 4 certification applies to 2007–2009 models; Euro 5 applies to 2010–2018 models (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under ISO 1585 standards. Output is consistent across model years (Renault TIS Doc. K9K-003).
Renault Technical Information System (TIS): Docs K9K-001, K9K-002, K9K-003
VCA Type Approval Database (VCA/EMS/5678)
ISO 1585: Road vehicles — Engine test code — Net power
The Renault K9K 752 was used across Renault's B/C platforms with transverse mounting. This engine received platform-specific adaptations-different engine mounts for the Kangoo versus the Clio-and from 2010 received an updated EGR system for Euro 5 compliance, though core mechanical components remained interchangeable. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat machined surface at the front of the cylinder block, near the alternator (Renault TIS K9K-005). The 8th VIN digit for Renault vehicles is 'K' for the K9K engine family. The K9K 752 can be visually identified by its black plastic rocker cover and the Garrett turbocharger with a single wastegate actuator. Critical differentiation from the lower-powered K9K 750: The 752 has a larger intercooler and a different ECU map. Service parts for the EGR system differ between pre-2010 (Euro 4) and post-2010 (Euro 5) models (Renault Technical Note MEG-07-03-01).
The K9K 752's primary reliability risk is EGR system clogging, with elevated incidence in vehicles used for short urban journeys. Renault internal service data indicates a high frequency of EGR-related faults in vehicles with predominantly low-mileage, stop-start usage, while UK DVSA MOT statistics show EGR faults as a leading cause of diesel particulate filter (DPF) warning lights on these models. Frequent short trips prevent the system from reaching optimal cleaning temperatures, making periodic longer drives critical.
Analysis derived from Renault technical bulletins (2007-2018) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT K9K-752.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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