1.5 dCi Diesel Engines
from £800 to £1,800
Rebuilt units from £800 · Common codes: K9K 656, K9K 657, K9K 702, K9K 646
Renault ENGINE MARKETPLACE
Renault Megane Engine Replacement - F4R & dCi Solutions from UK Specialists
Get quotes from trusted UK Renault Megane engine specialists. Compare reconditioned, rebuilt and used prices for 1.6L to 2.0L petrol & diesel - K4M, F4R & M9R covered. Compare supply & fit options today.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
1.2 TCe Petrol Engines
from £1,100 to £2,200
Rebuilt units from £1,100 · Common codes: H5F 412, H5F 408, H5H 470
Renault Sport Performance Engines
from £1,500 to £3,500
Rebuilt units from £1,500 · Common codes: F4R 830, F4R 831, F9Q 812
Instant engine replacement quote - 100% free, no obligation
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 Megane Replacement Engineto Finding the Best Renault Megane 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 Megane Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Renault Megane engines through EngineMarket.
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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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Variants We Cover
Renault Megane Engine ReplacementAll Variants Covered
Renault Megane 1.6 16V 110
K4M 1.6L Petrol
Rebuilt Engines: £700-£1,200
Renault Megane 1.4 16V 98
K4J 1.4L Petrol
Rebuilt Engines: £650-£1,100
Renault Megane RS 225
F4R 2.0L Petrol
Rebuilt Engines: £1,800-£2,800
Renault Megane RS 265
F4R 2.0L Petrol
Rebuilt Engines: £2,200-£3,500
Not sure which variant your Renault Megane is- Enter your registration number above - we’ll identify the exact sub-model, engine code and compatible replacement options instantly.
Megane
Engine Codes
Renault Megane Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Renault Megane 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 Megane variants.
K9K - 1.5L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
1.5 dCi 801.5 dCi 901.5 dCi 1001.5 dCi 1051.5 dCi 1101.5 Blue dCi 115
Avg. rebuilt price
£800 - £1,600
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 1.5L
- Power output
- 65-115 hp
- Years fitted
- Check by registration
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 Megane engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Megane
Common Problems
Renault Megane Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Renault Megane’s engine reliability varies drastically by generation, with the 1.2 TCe petrol and 1.5 dCi diesel dominating replacement enquiries due to timing chain and turbo failures. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address these original failure points, plus a minimum 12-month...
Renault Megane 1.2 TCe Timing Chain Failure - Why H5F Engines Fail Prematurely
Renault Megane 1.2 TCe Timing Chain Failure
Most affected vehicles
Renault Megane 1.2 TCe 115/130 (2012-2016H5F 412 & H5F 408)
Renault Megane 1.2 TCe 115/130 (2012-2016, H5F 412 & H5F 408)
Failure mileage range
60,000 - 90,000 miles
Typical failure window
Root cause
The timing chain tensioner fails to maintain adequate oil pressure, causing the chain to stretch, slap, and eventually jump teeth or snap.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Chain Kit | £1,200 - £1,600 | £700 - £950 | Replace chain, tensioner, and guides before failure occurs. | Adds 50k+ miles; only viable if no internal damage exists. |
| Full Replacement - Rebuilt Engine | £3,500 - £4,500 | £1,400 - £2,000 | Supply & fit rebuilt H5F with upgraded tensioner and piston rings. | Restores to factory specs with 12-month warranty; best value post-failure. |
Our recommendation
If you hear a rattle on cold starts, act immediately. A preventative chain kit at a specialist is cost-effective, but once the chain snaps, the engine is scrap. At that point, a rebuilt unit with upgraded components is the only sensible financial choice for a Megane worth £2,000-£4,000.
Compare rebuilt H5F engine prices for your Renault MeganeReplacement Engine Options
Renault Megane Engine TypesOptions, Costs & What to Expect
Every engine type is available through the UK network with typical price ranges based on your Megane's variant, engine code and budget.
Renault Megane Reconditioned Engines (Recon)£800 - £1,600((supply only))
Renault Megane Rebuilt Engines£900 - £1,800((supply only))
Renault Megane Used Engines£400 - £900((supply only))
Renault Megane Remanufactured Engines£1,200 - £2,200((supply only))
Renault Megane Refurbished Engines£700 - £1,400((supply only))
Compare Renault Megane 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 Megane within hours.
Engine Sizes
Renault Megane Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Renault Megane is listed below, with compatible engine codes, production years, and common failure notes to help you identify your unit.
The 1.5L dCi is the undisputed backbone of the Megane diesel range, appearing in every generation since 2001. Known for exceptional fuel economy, it powers the vast majority of UK Meganes but requires strict maintenance to avoid turbo and injector issues.
⚙
Engine Code(s)
K9K 656, K9K 657, K9K 702, K9K 646
▣
Compatible Models (UK)
1.5 dCi 80/90/100/110 (Megane II, III, IV), 1.5 Blue dCi 115
ϟ
Power output
Verified by registration
△
Common Failure Points
Turbocharger failure from oil starvation, piezo injector wear, timing belt snap if intervals are missed.
Production Years: Megane IV
Get quotes for Renault Megane 1.5L diesel enginesFuel Type
Renault Megane Engines by Fuel Type
Choose your Renault Megane engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the early 1.9 dCi to the latest 1.3 TCe.
Renault Megane Diesel Engines
DieselThe diesel Megane dominates the UK used market, with the 1.5 dCi and 1.9 dCi generating the highest volume of replacement enquiries due to turbo and timing belt failures.
Common Renault Megane Diesel Engine Families
- •K9K (1.5 dCi) - The volume seller; prone to turbo and injector failures if oil changes are neglected.
- •F9Q (1.9 dCi) - The older workhorse; suffers from swirl flap and timing belt tensioner issues.
- •R9M (1.6 dCi) - The refined replacement; watch for EGR clogging and early timing chain stretch.
Found In
- •Megane II (2002-2009) - 1.5 dCi, 1.9 dCi
- •Megane III (2008-2016) - 1.5 dCi, 1.6 dCi, 2.0 dCi
- •Megane IV (2016-Present) - 1.5 Blue dCi
Known For
- •Exceptional motorway fuel economy, often exceeding 60mpg in the 1.5 dCi.
- •High replacement demand for the 1.5 dCi due to turbo failures around 80k miles.
- •Timing belt intervals must be strictly adhered to, or the engine will self-destruct.
Typical Diesel Models
- •1.5 dCi 90
- •1.5 dCi 110
- •1.9 dCi 130
1 of 2
Renault Megane Diesel Engines
DieselThe diesel Megane dominates the UK used market, with the 1.5 dCi and 1.9 dCi generating the highest volume of replacement enquiries due to turbo and timing belt failures.
Common Renault Megane Diesel Engine Families
- •K9K (1.5 dCi) - The volume seller; prone to turbo and injector failures if oil changes are neglected.
- •F9Q (1.9 dCi) - The older workhorse; suffers from swirl flap and timing belt tensioner issues.
- •R9M (1.6 dCi) - The refined replacement; watch for EGR clogging and early timing chain stretch.
Found In
- •Megane II (2002-2009) - 1.5 dCi, 1.9 dCi
- •Megane III (2008-2016) - 1.5 dCi, 1.6 dCi, 2.0 dCi
- •Megane IV (2016-Present) - 1.5 Blue dCi
Known For
- •Exceptional motorway fuel economy, often exceeding 60mpg in the 1.5 dCi.
- •High replacement demand for the 1.5 dCi due to turbo failures around 80k miles.
- •Timing belt intervals must be strictly adhered to, or the engine will self-destruct.
Typical Diesel Models
- •1.5 dCi 90
- •1.5 dCi 110
- •1.9 dCi 130
Renault Megane Petrol Engines
PetrolThe petrol Megane ranges from the bulletproof 1.6 16V to the notorious 1.2 TCe, with the Renault Sport 2.0L commanding a loyal enthusiast following and premium rebuild prices.
Common Renault Megane Petrol Engine Families
- •H5F (1.2 TCe) - Infamous for timing chain stretch and oil consumption; avoid if possible.
- •K4M (1.6 16V) - Simple and reliable, but watch for plastic thermostat housing cracks.
- •F4R (2.0 16V / RS) - The performance legend; robust but requires strict timing belt maintenance.
Found In
- •Megane II (2002-2009) - 1.4 16V, 1.6 16V, 2.0 16V, 2.0 RS
- •Megane III (2008-2016) - 1.6 16V, 1.2 TCe, 2.0 RS
- •Megane IV (2016-Present) - 1.2 TCe, 1.3 TCe
Known For
- •The 1.2 TCe is widely considered one of the worst modern petrol engines due to fatal design flaws.
- •The 1.6 16V is a fleet favourite, offering cheap repairs and high mileage reliability.
- •Renault Sport models (F4R) hold their value well; owners pay premium prices for specialist rebuilds.
Typical Petrol Models
- •1.6 16V 110
- •1.2 TCe 115
- •1.3 TCe 140
Not sure which fuel type your Renault Megane 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 Megane specialists.
Engine YearsGet quotes for 1995-2002 Renault Megane replacement engines →
Renault Megane Engines by YearWhat Was Fitted & WhenRenault Megane Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Renault Megane production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Launch of the Megane hatchback, coupé, and cabriolet.
- ✓Introduction of the K4M 1.6L and F4R 2.0L petrol engines.
- ✓Early 1.9L diesel units fitted to fleet models.
▣Main Engines
K4M- 1.6L Petrol (1.6 16V)
F4R- 2.0L Petrol (2.0 16V, 2.0 IDE)
F9Q- 1.9L Diesel (1.9 dCi)
▰Popular Models
- •Renault 1.6 16V
- •Renault 2.0 16V
- •Renault 1.9 dCi
🔧Known For
- ✓K4M and F4R petrols are incredibly robust and high-mileage capable.
- ✓Early 1.9 diesels lack modern refinement but are mechanically simple.
- ✓Rust and electrical gremlins are more common than engine failures.
Engine Codes Covered:
K4MF4RF9QNot sure which year your Renault Megane 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 Megane specialists.
FAQ