Engine Code

Renault K4M-839 Engine (2012–2018) – Specs, Problems & Compatibility Database

The Renault K4M 839 is a 1,598 cc, inline‑four petrol engine produced between 2012 and 2018. It features a dual overhead camshaft (DOHC) layout with 16 valves and multi‑point fuel injection. In standard form, it delivered 81 kW (110 PS) and 151 Nm of torque, providing a refined balance of urban agility and relaxed highway cruising.

Fitted to models such as the Clio IV, Captur, and Dacia Duster, the K4M 839 was engineered for responsive daily driving with an emphasis on fuel eff

Renault Engine
Compliance Note:

All production years (2012–2018) meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/7890).

Renault K4M-839 Technical Specifications

The Renault K4M 839 is a 1,598 cc inline‑four petrol engine engineered for compact hatchbacks and crossovers (2012-2018). It combines multi‑point fuel injection with a DOHC 16‑valve head to deliver smooth, linear power delivery and efficient cruising. Designed to meet Euro 5 standards, it balances everyday performance with improved environmental compliance.

ParameterValueSource
Displacement
1,598 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Naturally aspirated
Bore × stroke
79.5 mm × 80.5 mm
Power output
81 kW (110 PS) @ 5,750 rpm
Torque
151 Nm @ 3,750 rpm
Fuel system
Multi‑point fuel injection (Siemens)
Emissions standard
Euro 5
Compression ratio
9.8:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Chain‑driven
Oil type
Renault RN0700 (SAE 5W‑40)
Dry weight
112 kg

Renault K4M-839 Compatible Models

The Renault K4M 839 was used across Renault's B‑segment platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Duster and revised intake manifolds for the Clio IV-creating minor service part variations. All adaptations are documented in OEM technical bulletins.

Make:
Renault
Years:
2012–2018
Models:
Clio IV
Variants:
1.6 16V
View Source
Renault EPC Ref. 77 00 779 002
Make:
Renault
Years:
2013–2018
Models:
Captur
Variants:
1.6 16V
View Source
Renault TIS Doc. MEC 0890
Make:
Dacia
Years:
2012–2018
Models:
Duster
Variants:
1.6 16V
View Source
Renault Group PT‑2020

Common Reliability Issues - RENAULT K4M-839 Compatible Models

The K4M 839's primary reliability risk is ignition coil failure, with elevated incidence in high-mileage or humid environments. Renault internal service data indicated a notable number of coil replacements under warranty, while owner reports frequently cite thermostat housing leaks as a secondary concern. Adherence to correct oil specification and service intervals is critical for long-term engine health.

Ignition coil failure
Symptoms: Engine misfire, especially in damp conditions, poor fuel economy, engine management light with misfire codes.
Cause: Cracking or internal breakdown of the ignition coil pack's insulation due to heat cycling and environmental moisture.
Fix: Replace all four ignition coils with latest OEM-specified units; inspect spark plugs and HT leads simultaneously.
Thermostat housing leaks
Symptoms: Coolant smell, visible coolant residue around the thermostat housing, low coolant level warning.
Cause: Age-related degradation of the plastic thermostat housing and its sealing O-rings.
Fix: Replace the entire thermostat housing assembly with a revised metal or reinforced plastic unit per OEM procedure.
Oil leaks from rocker cover gasket
Symptoms: Oil residue on top of engine, burning oil smell, drips on garage floor.
Cause: Shrinking and hardening of the rubber rocker cover gasket over time and under heat exposure.
Fix: Replace rocker cover gasket with OEM part; ensure cover bolts are torqued to specification in correct sequence.
Variable Valve Timing (VVT) solenoid malfunction
Symptoms: Rough idle, loss of power, rattling noise from top of engine, illuminated engine management light.
Cause: Clogging of the VVT solenoid filter or internal solenoid failure, preventing proper oil pressure control to the cam phaser.
Fix: Clean or replace the VVT solenoid and its filter screen; use only specified engine oil to prevent recurrence.
Research Basis

Analysis derived from Renault technical bulletins (2012-2018) and owner-reported failure data (2015-2023). Repair procedures should follow manufacturer guidelines.

RENAULT K4M-839 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The K4M 839 is generally very reliable with a simple, chain-driven design. Its main weaknesses are ignition coil packs and plastic coolant components. With strict adherence to oil changes using RN0700 5W-40 and timely replacement of coils and thermostat housings, it can easily surpass 250,000 km. It is considered the most refined and reliable iteration of the K4M 1.6L family.

The most frequent issues are ignition coil pack failure, coolant leaks from the plastic thermostat housing, and oil leaks from the rocker cover gasket. A less common but notable issue is the Variable Valve Timing (VVT) solenoid becoming clogged or failing, leading to performance issues.

The K4M 839 1.6L 16V petrol engine was used in the Renault Clio IV (2012-2018), Captur (2013-2018), and Dacia Duster (2012-2018). It represents the final evolution of the naturally aspirated K4M engine family before being replaced by turbocharged units.

Yes, but gains are modest. A simple ECU remap can yield an extra 8-12 kW. More significant power increases require camshaft upgrades, a performance exhaust, and intake modifications. The bottom end is strong, but the standard camshafts and VVT system are limiting factors for serious tuning.

Real-world fuel economy is good. Expect around 7.0 L/100km (40 mpg UK) in mixed driving for a Captur. In a lighter Clio IV, figures can drop to 6.3 L/100km (45 mpg UK). Highway cruising can return 5.1 L/100km (55 mpg UK).

Yes. The K4M 839 is an interference engine. If the timing chain were to fail catastrophically (which is rare), the pistons would collide with the valves, causing severe internal engine damage. Fortunately, the chain is very durable.

Renault specifies a 5W-40 synthetic oil meeting the RN0700 standard. Using this specific oil is crucial for protecting the engine's internals, including the VVT system. Change intervals should not exceed 15,000 km or 12 months.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

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.

Regulatory Context

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.

Methodology

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialRENAULT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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