Renault Clio 1.5 dCi Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Renault Clio 1.5 dCi engine specialists. Compare prices on reconditioned, rebuilt and used engines for your diesel Clio - from Clio II through to Clio V.
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From £900 to £2,800
Used from £900 · Reconditioned from £1,500 · Common codes: K9K 628, K9K 638, K9K 646, K9K 872, K9K 612, K9K 629
From £900
Tested, bare/short engine
From £1,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Renault Clio 1.5 dCi Replacement Engineto Finding the Best Renault Clio 1.5 dCi Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryRenault Clio 1.5 dCi - Engine History & Specs at a Glance
The Renault Clio 1.5 dCi, powered by the legendary K9K engine, has been the backbone of Renault's diesel range for over two decades. First introduced in the Clio II in 2001, this 1.5-litre turbo diesel became one of Europe's most popular and widely produced small-capacity diesel engines. Fitted to every generation of Clio from II through to V, the K9K family offers power outputs from 65PS to 110PS. While generally reliable when maintained, early examples have well-documented injector, timing belt and bearing issues that make replacement a common consideration for high-mileage owners.
Variant HistoryRenault Clio 1.5 dCi - Engine History & Specs at a Glance
The Renault Clio 1.5 dCi, powered by the legendary K9K engine, has been the backbone of Renault's diesel range for over two decades. First introduced in the Clio II in 2001, this 1.5-litre turbo diesel became one of Europe's most popular and widely produced small-capacity diesel engines. Fitted to every generation of Clio from II through to V, the K9K family offers power outputs from 65PS to 110PS. While generally reliable when maintained, early examples have well-documented injector, timing belt and bearing issues that make replacement a common consideration for high-mileage owners.
Renault Clio 1.5 dCi
Fuel TypeDiesel (turbocharged, common-rail direct injection)
Engine Size1.5L (1,461cc)
Power Output Range65PS-110PS (48kW-81kW) across the variant's historyEngine History Timeline
2005 (Clio II) - Early K9K 1.5 dCi introduced (65PS/75PS); common-rail direct injection; 8-valve and 16-valve variants
2012 (Clio III) - K9K 764 K9K 774, K9K 766 (78PS) and other variants; Euro 4 emissions
2011 - Timing belt failures reported on some K9K units; Renault addressed with revised components
2019 (Clio IV) - K9K 612 (75PS) K9K 628 (75PS), K9K 629 (90PS), K9K 638 (90PS); Euro 5 and Euro 6 compliance; DPF fitted
2019 (Clio IV facelift) - Continued K9K production with updated emissions systems
present (Clio V) - K9K 872 (85PS Blue dCi); latest Euro 6d-TEMP compliance
Key Specs Snapshot
Fuel TypeDiesel (turbocharged, common-rail direct injection)Engine Size1.5L (1,461cc)Power Output Range65PS-110PS (48kW-81kW) across the variant's historyYears Produced2001-present (UK Clio fitment)Every engine fitted to the Renault Clio 1.5 dCi is covered below, with UK rebuilt pricing and known failure points.
Renault Clio 1.5 dCi Engine Codes - Specifications & Replacement CostRenault Clio 1.5 dCi Engine Codes - Specifications & Replacement Cost
1.5 dCi (2012-2019)
Power Output75PS (55kW)Years Fitted2012-2019 (Clio IV)
Compatible Trim Levels
- Clio Dynamique
- Clio Expression
- Clio Play
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£900-£1,400
Reconditioned
Addressed known issues, tested
£1,500-£2,100
Rebuilt
Full teardown, upgraded internals
£2,100-£2,800
Common Failure
Injector wear and failure; EGR valve clogging causing loss of power and rough idle.
The Renault Clio 1.5 dCi (K9K family) is one of Europe's most popular diesel engines, but it has several well-documented failure points. The 1.5 dCi has a "double personality" - some units exceed 300,000 km without issue, while others suffer serious failures. Rebuilt engines supplied through EnginesMarket include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.
Delphi Pump Swarf and Injector Wear in the Renault Clio 1.5 dCi
Affected Vehicles
Renault Clio 1.5 dCi (K9K, particularly pre-2011 models)
Typical Failure Mileage
80,000-150,000 miles
Root Cause
Early K9K engines (pre-2011) suffer from a known issue where the Delphi high-pressure fuel pump wears prematurely, producing metal swarf (particles) that contaminates the entire fuel system. This swarf damages injectors, the fuel rail, and the pump itself. Injector wear is also common on later models.
Why It Happens
Early K9K engines (pre-2011) suffer from a known issue where the Delphi high-pressure fuel pump wears prematurely, producing metal swarf (particles) that contaminates the entire fuel system. This swarf damages injectors, the fuel rail, and the pump itself. Injector wear is also common on later models.
Dealer (parts + labour)
£800-£1,500
Specialist (parts + labour)
£500-£900
What it involves
New injectors, fuel system flush, new fuel filter
Suitability
Cost-effective if caught before pump swarf has contaminated the entire system
1 - 2 daysDealer (parts + labour)
£2,500-£4,500
Specialist (parts + labour)
£1,800-£2,800
What it involves
Supply & fit of rebuilt unit with upgraded components, 12-month warranty
Suitability
Recommended if pump failure has caused widespread fuel system contamination or engine damage
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Injector Replacement & Fuel System Flush Minor | £800-£1,500 | £500-£900 | New injectors, fuel system flush, new fuel filter | Cost-effective if caught before pump swarf has contaminated the entire system | 1 - 2 days |
 Full Engine Replacement - rebuilt/reconditioned Best Value | £2,500-£4,500 | £1,800-£2,800 | Supply & fit of rebuilt unit with upgraded components, 12-month warranty | Recommended if pump failure has caused widespread fuel system contamination or engine damage | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
Apply this UK-wide decision framework to your Renault Clio 1.5 dCi. Clio II examples typically range £500-£2,000; Clio III examples range £1,000-£4,000; Clio IV/Clio V examples range £3,000-£10,000. - Vehicle worth under ~£2,000: used engine typically makes more sense than a full rebuilt unit - or consider scrapping if repair costs exceed value - Vehicle worth ~£2,000-£5,000: evaluate both; injector replacement is viable if the car is otherwise sound - Vehicle worth £5,000+: reconditioned/rebuilt usually justifies the premium via warranty and reliability
Our Recommendation
Our Recommendation
If your Clio 1.5 dCi has rough running, hard starting or loss of power, have the injectors and fuel pump inspected immediately. Early injector replacement costs £500-£900 at a specialist. Ignoring the issue risks widespread fuel system contamination and a £1,800-£2,800 engine replacement bill.
Don't Let Engine Failure Write Off Your Renault Clio 1.5 dCi
Whether your Clio needs injector replacement, a timing belt change, DPF work or a full rebuilt engine, EnginesMarket connects you with vetted UK specialists who know the K9K engine inside out. Compare prices today - no obligation, just transparent quotes with a minimum 12-month warranty on every rebuilt unit.
Compare rebuilt Renault Clio 1.5 dCi engine prices
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Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Renault Clio 1.5 dCi. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Renault Clio 1.5 dCi Engine ReplacementFrequently Asked Questions
Question 1How much does a Renault Clio 1.5 dCi engine replacement cost-
A replacement engine for a Renault Clio 1.5 dCi typically costs £900-£2,800 for the supply-only unit. Fitting adds 6-10 hours of labour at £65-£90/hr, bringing the total fitted cost to £1,500-£3,500 at an independent specialist. Dealer pricing is significantly higher.
- Used engine supply: £300-£1,800
- Reconditioned supply: £1,200-£2,400
- Rebuilt supply: £1,800-£3,200
Question 2What are the signs of injector failure in a Renault Clio 1.5 dCi-
The most common signs are rough idle, hard starting, loss of power, excess smoke from the exhaust, and the engine warning light illuminating. On early K9K models (pre-2011), injector failure is often caused by metal swarf from a failing Delphi high-pressure fuel pump.
- Rough idle and hard starting are early warning signs
- Loss of power and smoke indicate more serious injector wear
- Ignoring injector issues can lead to widespread fuel system contamination
Question 3Is the Renault Clio 1.5 dCi a reliable engine-
The 1.5 dCi has a "double personality" - some units exceed 300,000 km without issue, while others suffer serious failures. Pre-2011 models are more prone to injector and timing belt issues, while post-2011 models are significantly more robust. Regular maintenance is the key to longevity.
- Pre-2011: known injector and timing belt issues
- Post-2011: considered a reference of robustness
- Regular oil changes and timing belt replacement are essential
Question 4Is it worth replacing the engine in a Renault Clio 1.5 dCi-
It depends on the vehicle's value. Clio II examples are worth £500-£2,000 - a full engine replacement at £1,800-£2,800 may exceed the car's value. Clio III examples (£1,000-£4,000) may justify replacement if the rest of the car is in good condition. Clio IV/Clio V examples with higher values (£3,000-£10,000) generally justify replacement.
- Evaluate the total repair cost vs. the vehicle's current market value
- Consider part-exchange or selling for spares if repair costs exceed 60% of value
- Always get multiple quotes before committing
Question 5What's the difference between the K9K 628 and K9K 638 engines-
The K9K 628 produces 75PS (55kW) and was fitted to Clio IV models from 2012-2019. The K9K 638 produces 90PS (66kW) and was also fitted to Clio IV models from 2012-2019. Both share the same 1.5-litre (1,461cc) displacement and the same K9K architecture, but the 638 is the higher-output version.
- K9K 628: 75PS, Clio IV (2012-2019)
- K9K 638: 90PS, Clio IV (2012-2019)
- Both engines share the same architecture and failure points
Question 6Does the Renault Clio 1.5 dCi have a timing belt or chain-
The 1.5 dCi (K9K) uses a timing belt, not a chain. The belt requires replacement at the manufacturer-recommended interval - typically every 60,000 miles or 5 years, whichever comes sooner. Neglecting the timing belt can lead to catastrophic engine failure if it breaks.
- Timing belt, not chain - scheduled replacement required
- Replacement interval: ~60,000 miles or 5 years
- Belts on 2009-2011 models are particularly prone to premature wear
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