Fluence 1.5 dCi Diesel Engines
from £650 to £1,850
Rebuilt units from £650 · Common codes: K9K832, K9K836, K9K656, K9K826
Renault ENGINE MARKETPLACE
Renault Fluence Engine Replacement - Reconditioned & Used Prices Compared
Get quotes from trusted UK Renault Fluence engine specialists. Compare reconditioned, rebuilt and used prices for 1.6L petrol to 1.5 dCi - K4M & K9K covered. Compare supply & fit options today.
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12-Month Warranty
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Fluence 1.6 Petrol Engines
from £750 to £1,650
Rebuilt units from £750 · Common codes: K4M838, K4M839, K4M700
Fluence 2.0 Performance Engines
from £1,200 to £2,400
Rebuilt units from £1,200 · Common codes: M4R700, M4R701
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Engine replacement near me - UK-wide specialist network
Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Renault Fluence Replacement Engineto Finding the Best Renault Fluence Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
Average Market Prices
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↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Renault Fluence Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Renault Fluence engines through EngineMarket.
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Variants We Cover
Renault Fluence Engine ReplacementAll Variants Covered
Renault Fluence Authentique 1.5 dCi 86
K9K656 1.5L Diesel
Rebuilt Engines: £650-£1,400
Renault Fluence Expression 1.5 dCi 90
K9K826 1.5L Diesel
Rebuilt Engines: £675-£1,500
Renault Fluence Dynamique 1.5 dCi 106
K9K657 1.5L Diesel
Rebuilt Engines: £700-£1,650
Renault Fluence Privilege 1.5 dCi 110
K9K832 1.5L Diesel
Rebuilt Engines: £750-£1,850
Renault Fluence Authentique 1.6 16V
K4M838 1.6L Petrol
Rebuilt Engines: £750-£1,500
Renault Fluence Expression 1.6 16V
K4M839 1.6L Petrol
Rebuilt Engines: £775-£1,550
Renault Fluence Dynamique 1.6 16V
K4M700 1.6L Petrol
Rebuilt Engines: £800-£1,600
Renault Fluence GT 2.0 16V
M4R700 2.0L Petrol
Rebuilt Engines: £1,200-£2,400
Renault Fluence GT Line 1.5 dCi 110
K9K836 1.5L Diesel
Rebuilt Engines: £775-£1,900
Renault Fluence Privilege 1.2 TCE
H5F400 1.2L Petrol
Rebuilt Engines: £950-£1,750
Renault Fluence Expression 1.5 dCi Energy 90
K9K826 1.5L Diesel
Rebuilt Engines: £675-£1,500
Renault Fluence Dynamique 1.5 dCi Energy 110
K9K832 1.5L Diesel
Rebuilt Engines: £750-£1,850
Not sure which variant your Renault Fluence is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Fluence
Engine Codes
Renault Fluence Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Renault Fluence across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Diesel Engines
Extracted from detailed diesel engine families across Renault Fluence variants.
K9K656 - 1.5L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
Authentique 1.5 dCi 86Expression 1.5 dCi 86
Avg. rebuilt price
£650 - £1,400
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 1.5L
- Power output
- 86 hp
- Years fitted
- 2010-2016
Common failures
- ●Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which engine code?
Can't find your engine code- Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Renault Fluence engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Fluence
Common Problems
Renault Fluence Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Renault Fluence's 1.5 dCi diesel (K9K) dominates UK replacement enquiries, with turbo failure, injector issues and DPF problems most common. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month unlimited mileage warranty. Use this section to...
Engine Failure Hazard Warning - Why Renault Fluence Stops Suddenly
Engine Failure Hazard Warning
Most affected vehicles
Renault Fluence 1.5 dCi 86/90/106/110 (2010-2016K9K656/K9K826/K9K657/K9K832/K9K836)
Renault Fluence 1.5 dCi 86/90/106/110 (2010-2016, K9K656/K9K826/K9K657/K9K832/K9K836)
Failure mileage range
60,000-120,000 miles
Typical failure window
Root cause
The "engine failure hazard" dashboard warning is triggered by multiple potential faults - most commonly turbo pressure sensor failure, EGR valve malfunction, or injector circuit issues that cause the ECU to enter limp mode.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Diagnostic & Minor Fix - Sensor/EGR cleaning or replacement | £350 - £650 | £200 - £400 | Fault code read, sensor/EGR valve replacement or cleaning, system reset | Suitable if fault is isolated; may recur if underlying cause not addressed |
| Intermediate Repair - Turbo or injector replacement | £1,200 - £2,200 | £750 - £1,400 | Remove and replace faulty turbocharger or injector(s), recalibrate system | Extends life if engine block is sound; labour-intensive on Fluence |
| Full Replacement - Rebuilt / Reconditioned Engine | £1,850 - £3,200 | £650 - £1,850 | Supply and fit rebuilt K9K engine with upgraded components, bench tested, 12-month warranty | Most cost-effective for high-mileage Fluence; eliminates multiple failure risks |
Our recommendation
If your Fluence shows "engine failure hazard" below 80k miles and diagnostics point to a single component, repair may be viable. Above 100k miles or with multiple fault codes, a rebuilt engine often represents better long-term value than repeated repairs.
Compare rebuilt K9K engine prices for your Renault FluenceReplacement Engine Options
Renault Fluence Engine TypesOptions, Costs & What to Expect
Every Renault Fluence engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Renault Fluence Reconditioned Engines (Recon)£750 - £1,950((supply only))
Renault Fluence Rebuilt Engines£850 - £2,100((supply only))
Renault Fluence Used Engines£450 - £1,200((supply only))
Renault Fluence Remanufactured Engines£1,100 - £2,400((supply only))
Renault Fluence Refurbished Engines£600 - £1,500((supply only))
Compare Renault Fluence engine prices with vetted UK suppliers
All engine types include a minimum 12-month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Renault Fluence within hours.
Engine Sizes
Renault Fluence Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Renault Fluence in the UK is listed below, with compatible engine codes, production years and common failure notes to help you identify the correct replacement.
The 1.5L dCi (K9K) diesel powered the vast majority of UK Fluence models from launch to end of production, offering strong fuel economy and adequate performance for everyday driving. This engine family appeared across all trim levels from Authentique to GT Line, with power outputs ranging from 86hp to 110hp depending on the specific variant and model year.
⚙
Engine Code(s)
K9K656, K9K826, K9K657, K9K832, K9K836
▣
Compatible Models (UK)
Authentique 1.5 dCi 86 (2010-2016), Expression 1.5 dCi 90 (2010-2016), Dynamique 1.5 dCi 106/110 (2010-2016), Privilege 1.5 dCi 110 (2013-2016), GT Line 1.5 dCi 110
ϟ
Power output
Verified by registration
△
Common Failure Points
Turbocharger bearing wear, injector seal degradation, DPF blockage on short-journey cars, timing chain tensioner wear on later units
Production Years: 2013-2016
Get quotes for Renault Fluence 1.5L diesel enginesFuel Type
Renault Fluence Engines by Fuel Type
Choose your Renault Fluence engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the economical 1.5 dCi diesel to the smooth 1.6 petrol and performance 2.0 GT unit.
Renault Fluence Diesel Engines
DieselThe 1.5L dCi (K9K) diesel powered approximately 85% of UK Fluence sales, dominating replacement enquiries due to turbo, injector and DPF-related failures on higher-mileage examples.
Common Renault Fluence Diesel Engine Families
- •K9K656 - 86hp entry-level diesel (Authentique/Expression), prone to turbo actuator issues
- •K9K826 - 90hp Energy variant, common DPF blockage on short-journey cars
- •K9K657 - 106hp pre-facelift unit, timing chain tensioner wear at high mileage
Found In
- •Phase 1 Fluence (2010-2013) - K9K656, K9K826, K9K657
- •Phase 2 Fluence facelift (2013-2016) - K9K832, K9K836
Known For
- •Excellent motorway fuel economy (55-65 mpg achievable)
- •"Engine failure hazard" warning light commonly triggered by sensor faults
- •Turbo failure between 70k-110k miles most frequent catastrophic fault
Typical Diesel Models
- •Authentique 1.5 dCi 86
- •Expression 1.5 dCi 90
- •Dynamique 1.5 dCi 106/110
1 of 3
Renault Fluence Diesel Engines
DieselThe 1.5L dCi (K9K) diesel powered approximately 85% of UK Fluence sales, dominating replacement enquiries due to turbo, injector and DPF-related failures on higher-mileage examples.
Common Renault Fluence Diesel Engine Families
- •K9K656 - 86hp entry-level diesel (Authentique/Expression), prone to turbo actuator issues
- •K9K826 - 90hp Energy variant, common DPF blockage on short-journey cars
- •K9K657 - 106hp pre-facelift unit, timing chain tensioner wear at high mileage
Found In
- •Phase 1 Fluence (2010-2013) - K9K656, K9K826, K9K657
- •Phase 2 Fluence facelift (2013-2016) - K9K832, K9K836
Known For
- •Excellent motorway fuel economy (55-65 mpg achievable)
- •"Engine failure hazard" warning light commonly triggered by sensor faults
- •Turbo failure between 70k-110k miles most frequent catastrophic fault
Typical Diesel Models
- •Authentique 1.5 dCi 86
- •Expression 1.5 dCi 90
- •Dynamique 1.5 dCi 106/110
Renault Fluence Petrol Engines
PetrolPetrol Fluence models used reliable naturally aspirated 1.6L (K4M) and performance 2.0L (M4R) engines, with lower replacement search volume but specific failure patterns worth noting.
Common Renault Fluence Petrol Engine Families
- •K4M838 - 1.6L 110hp base petrol, ignition coil and timing belt service critical
- •K4M839 - 1.6L 110hp updated code, thermostat housing leaks common on age
- •M4R700 - 2.0L 140hp GT unit, VVT solenoid failures affect performance
Found In
- •Phase 1 & 2 Fluence (2010-2016) - K4M838, K4M839 (1.6L)
- •Phase 1 Fluence GT (2010-2013) - M4R700 (2.0L)
Known For
- •Smooth, linear power delivery with lower complexity than diesel
- •Timing belt replacement critical every 72k miles or 5 years to avoid valve damage
- •Ignition coil failure causes misfires, especially in damp conditions
Typical Petrol Models
- •Authentique 1.6 16V 110
- •Expression 1.6 16V 110
- •Dynamique 1.6 16V 110
Renault Fluence Hybrid / Electrified Engines
MHEVNo hybrid, plug-in hybrid or electric variants of the Renault Fluence were officially sold in the UK market; all replacement enquiries relate to conventional petrol or diesel engines.
Important Notes
- •The Fluence was never offered with hybrid or electric powertrains in the UK
- •All engine replacement options are for conventional combustion engines only
- •If your Fluence has start-stop technology, this does not affect engine compatibility
Not sure which fuel type your Renault Fluence has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12-month unlimited mileage warranty from UK Renault Fluence specialists.
Engine YearsGet quotes for 2010-2012 Renault Fluence replacement engines →
Renault Fluence Engines by YearWhat Was Fitted & WhenRenault Fluence Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Renault Fluence UK production timeline (2010-2016), organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Renault Fluence introduced to UK market with L30 platform
- ✓Three diesel outputs (86/90/106hp) and one petrol (110hp) at launch
- ✓GT trim launched with exclusive 2.0L 140hp M4R engine
- ✓Euro 5 emissions compliance across all engines
▣Main Engines
K9K656- 1.5L diesel 86hp (Authentique, Expression)
K9K826- 1.5L diesel 90hp (Expression, Dynamique)
K9K657- 1.5L diesel 106hp (Dynamique, Privilege)
K4M838- 1.6L petrol 110hp (Authentique, Expression, Dynamique)
M4R700- 2.0L petrol 140hp (GT)
▰Popular Models
- •Renault Authentique 1.5 dCi 86
- •Renault Expression 1.5 dCi 90
- •Renault Dynamique 1.5 dCi 106
- •Renault GT 2.0 16V 140
🔧Known For
- ✓Strong initial reliability on low-mileage examples
- ✓Early turbo failures reported on high-mileage 1.5 dCi units
- ✓"Engine failure hazard" warning first appears on owner forums
- ✓Good parts availability due to shared K9K platform with Megane
Engine Codes Covered:
K9K656K9K826K9K657K4M838M4R700Not sure which year your Renault Fluence was built- Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12-month warranty from UK Renault Fluence specialists.
FAQ