The Renault K9K 802 is a 1,461 cc, inline‑three turbo‑diesel engine produced between 2007 and 2018. It features a cast iron block, aluminium head, common rail direct injection, and a fixed‑geometry turbocharger. In its most common form, it delivers 66 kW (90 PS) and 200 Nm of torque, with a double overhead camshaft (DOHC) design enabling precise valve control for responsive low‑end power.
Fitted to popular models like the Clio III, Mégane III, and Kangoo, the K9K 802 was eng…
Production years 2007–2010 meet Euro 4 standards; 2011–2018 models meet Euro 5 compliance depending on market .
The Renault K9K 802 is a 1,461 cc inline‑three turbo‑diesel engineered for supermini and compact MPV applications (2007-2018). It combines common‑rail direct injection with a fixed‑geometry turbocharger to deliver responsive low‑end torque and excellent fuel efficiency. Designed to meet Euro 4 and Euro 5 standards, it prioritizes urban drivability and low running costs.
| 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 1,600 bar) | |
Emissions standard | Euro 4 (pre‑2011); Euro 5 (2011–2018) | |
Compression ratio | 15.8:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Fixed‑geometry turbo (Garrett) | |
Timing system | Chain‑driven | |
Oil type | Renault RN0700/RN0710 (SAE 5W‑30) | |
Dry weight | 110 kg |
The Renault K9K 802 was used across Renault's B/C platform vehicles with transverse mounting. This engine received platform-specific adaptations-different intake manifolds for the Clio versus the Kangoo-and from 2011 the updated Mégane III Phase 2 models featured revised ECU mapping for Euro 5 compliance, creating minor software interchange limits. 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 802 is generally robust with a simple chain-driven design, but its longevity heavily depends on using the correct RN0700/RN0710 oil and high-quality diesel fuel. The main weakness is the high-pressure fuel pump, which can fail prematurely if maintenance is neglected. With strict adherence to service schedules, these engines can reliably exceed 200,000 km.
The most frequent issues are high-pressure fuel pump failure, EGR valve/carbon buildup causing running problems, turbo actuator faults leading to boost issues, and glow plug/relay failures affecting cold starts. These are well-documented in Renault service bulletins and owner reports.
The K9K 802 was widely used in Renault's lineup from 2007-2018, powering the Clio III, Mégane III, and Kangoo II. It was also fitted to Dacia models like the Sandero I and Logan I during the same period, typically in the 86 or 90 PS variants.
Aftermarket ECU tuning is common on the K9K-802 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 Renault Clio III 1.5 dCi, expect real-world figures of around 5.0 L/100km (56 mpg UK) on a mixed run. Highway driving can see figures as low as 4.0 L/100km (70 mpg UK), while city driving might be closer to 6.0 L/100km (47 mpg UK).
Yes. The K9K 802 is an interference engine. If the timing chain were to fail or jump, the pistons would collide with the open valves, causing catastrophic internal engine damage. Fortunately, the chain is very durable with proper oil changes.
Renault mandates oil meeting the RN0700 or RN0710 specification, typically a 5W-30 synthetic. Using ACEA B4-compliant oil is the absolute minimum. Never use generic or incorrect oil, as it is the primary cause of premature high-pressure fuel pump failure.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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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