Renault Laguna 1.5 / 1.9 dCi Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Renault Laguna 1.5 dCi and 1.9 dCi diesel engine specialists. Compare prices on reconditioned, rebuilt and used engines for every Laguna diesel variant - from the fuel-efficient 110hp 1.5 dCi K9K units to the 120hp and 130hp 1.9 dCi F9Q engines fitted across Laguna II and III generations.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers

From £1,200 to £3,500
Used from £595 · Reconditioned from £1,200 · Common codes: K9K 780, K9K 782, K9K 846, F9Q 700, F9Q 701, F9Q 702, F9Q 760, F9Q 761, F9Q 762
From £595
Tested, bare/short engine
From £1,200
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 Laguna 1.5 / 1.9 dCi Replacement Engineto Finding the Best Renault Laguna 1.5 / 1.9 dCi Replacement Engine
Most replacements completed within 3-5 days.
Renault Laguna 1.5 / 1.9 dCi - Engine History & Specs at a Glance
The Renault Laguna diesel range spans two generations of common-rail turbodiesel engines. The 1.9 dCi (F9Q) powered the Laguna II (2001-2007) and early Laguna III (2007-2010), while the more modern 1.5 dCi (K9K) arrived with the Laguna III in 2007, offering improved fuel economy and lower emissions.

Renault Laguna 1.5 / 1.9 dCi - Engine History & Specs at a Glance
The Renault Laguna diesel range spans two generations of common-rail turbodiesel engines. The 1.9 dCi (F9Q) powered the Laguna II (2001-2007) and early Laguna III (2007-2010), while the more modern 1.5 dCi (K9K) arrived with the Laguna III in 2007, offering improved fuel economy and lower emissions.
Renault Laguna 1.5 / 1.9 dCi
Engine History Timeline
Laguna I receives 1.9 dCi (F9Q 718 107hp) - early common-rail diesel
Laguna II launches with 1.9 dCi F9Q engines in 110hp and 120hp outputs
1.9 dCi 130hp (F9Q 760) introduced for Laguna II
Facelift Laguna II receives updated F9Q variants with 130hp and 150hp
Laguna III launches with 1.5 dCi (K9K 780 110hp) and 1.9 dCi (F9Q, 130hp)
1.5 dCi updated with revised ECU and emissions hardware
Laguna production ends
Key Specs Snapshot
Every diesel engine fitted to the Renault Laguna - from the early 1.9 dCi F9Q to the modern 1.5 dCi K9K - is covered below, with UK rebuilt pricing and known failure points.
Renault Laguna 1.5 / 1.9 dCi Engine Codes - Specifications & Replacement CostRenault Laguna 1.5 / 1.9 dCi Engine Codes - Specifications & Replacement Cost
1.5L dCi Diesel (2007-2015)
Compatible Trim Levels
- Laguna III
- Dynamique
- Expression
- Initiale
- TomTom Edition

Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£650-£1,200
Reconditioned
Addressed known issues, tested
£1,300-£2,200
Rebuilt
Full teardown, upgraded internals
£1,900-£3,000
Common Failure
The 1.5 dCi K9K is generally reliable but suffers from turbocharger failure, EGR valve clogging, and boost pressure sensor issues. Hard-used examples may also have a whiny gearbox that is probably on its way out.


The Laguna dCi diesel engines are broadly capable units, but several failure patterns have emerged across both the 1.5 dCi and 1.9 dCi ranges. **Turbocharger failure**, **EGR valve clogging**, **injector issues** and **DPF problems** are the most commonly reported issues. Rebuilt engines supplied through EnginesMarket include upgraded components addressing these original failure points, plus a minimum 12-month unlimited-mileage warranty.

Why the Renault Laguna dCi Loses Power and Blows Smoke
Affected Vehicles
Renault Laguna 1.5 dCi (K9K 780, K9K 782, K9K 846) and 1.9 dCi (F9Q 700, F9Q 760), 2001-2015
Typical Failure Mileage
60,000-120,000 miles
Root Cause
The turbocharger on dCi engines can fail due to oil seal wear, causing oil to enter the intake system. Symptoms include loss of power, grey smoke from the exhaust, and a "bag of spanners" noise. The 1.5 dCi turbo is known to blow and require replacement. Some owners have reported turbo issues and the need to replace the intercooler and pipework.
Why It Happens
The turbocharger on dCi engines can fail due to oil seal wear, causing oil to enter the intake system. Symptoms include loss of power, grey smoke from the exhaust, and a "bag of spanners" noise. The 1.5 dCi turbo is known to blow and require replacement. Some owners have reported turbo issues and the need to replace the intercooler and pipework.
Dealer (parts + labour)
£1,200-£2,200
Specialist (parts + labour)
£700-£1,500
What it involves
New or reconditioned turbocharger unit, cleaned intercooler and pipes
Suitability
Necessary if turbo is failing; may also require intercooler cleaning
Dealer (parts + labour)
£4,000-£6,000
Specialist (parts + labour)
£2,500-£4,500
What it involves
Supply & fit, full engine replacement with upgraded turbo components
Suitability
Only if turbo failure has caused secondary damage
| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
Turbocharger replacement Minor | £1,200-£2,200 | £700-£1,500 | New or reconditioned turbocharger unit, cleaned intercooler and pipes | Necessary if turbo is failing; may also require intercooler cleaning | |
Full replacement - rebuilt/reconditioned engine Best Value | £4,000-£6,000 | £2,500-£4,500 | Supply & fit, full engine replacement with upgraded turbo components | Only if turbo failure has caused secondary damage |
Vehicle Value Check
Vehicle Value Check
A typical Laguna dCi (2001-2015) is worth approximately £1,500-£6,000 `[THIRD-PARTY]`. Turbo repairs (£700-£1,500 specialist) are a significant but justifiable expense for most examples. For vehicles under £1,500, carefully evaluate whether the repair makes sense.
Our Recommendation
Our Recommendation
If you notice loss of power, grey smoke or unusual noise from the turbo area, have the turbocharger inspected immediately. Regular oil changes with the correct grade are the best prevention - the turbo relies on clean oil for lubrication and cooling.

Don't Let Engine Failure Write Off Your Renault Laguna
Whether you're facing a blown turbo on a 1.5 dCi, a clogged EGR on a 1.9 dCi, or a snapped timing belt on either engine, replacement doesn't have to mean scrapping your Laguna. Every rebuilt engine supplied through EnginesMarket comes with upgraded components addressing the original failure point, a minimum 12-month unlimited-mileage warranty, and nationwide delivery or supply & fit options. Compare specialist quotes today - it's free, and you might be surprised how affordable a proper rebuild can be.
Important 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 Laguna 1.5 or 1.9 dCi. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Renault Laguna 1.5 / 1.9 dCi Engine ReplacementFrequently Asked Questions
Question 1Does the Renault Laguna 1.9 dCi have a timing belt or chain-
The 1.9 dCi (F9Q) uses a timing belt, not a chain. The belt must be replaced at the manufacturer's recommended interval - typically 72,000-96,000 miles or 5-6 years. The belt-driven water pump should also be replaced at the same time. Failure to replace the belt can result in catastrophic engine damage.
- Timing belt - not a chain
- Replace every 72,000-96,000 miles or 5-6 years
- Water pump should be replaced at the same time
- Failure can cause pistons to strike valves, destroying the engine
Question 2What are the most common problems with the Renault Laguna dCi-
The most frequently reported issues are:
- **Turbocharger failure:** Loss of power, grey smoke, unusual noise
- **EGR valve clogging:** Hesitation, loss of power, rough idle
- **Timing belt failure (1.9 dCi):** Catastrophic engine damage if not replaced
- **DPF problems:** Engine management lights, emissions warnings
- **Injector issues:** Hard starting, poor running, smoke
Question 3How much does a Renault Laguna 1.5 or 1.9 dCi engine replacement cost in the UK-
A replacement for a Laguna dCi typically costs £1,200-£4,200 supply-only, depending on the engine code and condition (used, reconditioned, or rebuilt). Full supply & fit through a specialist adds approximately £600-£1,000 in labour.
- Used K9K 780: £650-£1,200
- Reconditioned K9K 780: £1,300-£2,200
- Rebuilt F9Q 760: £2,000-£3,200
- Used F9Q 718: £550-£1,100
- Fitting labour: 8-12 hours at £65/hr indie rates
Question 4How long does a Renault Laguna dCi engine replacement take-
A typical Laguna engine swap takes 2-5 working days, depending on the workshop's workload and whether supply-only or supply & fit is chosen.
- Supply-only: 1-3 days for delivery
- Supply & fit: 3-5 days total (including delivery and fitting)
- Mobile fitting: may take longer as the fitter travels to your location
Question 5Is a reconditioned Renault Laguna dCi engine reliable-
Yes - reconditioned engines supplied through EnginesMarket are stripped, inspected, and rebuilt to OEM specifications. Every reconditioned engine includes new piston rings, bearings, gaskets, and seals, and is pressure-tested before dispatch. All engines carry a minimum 12-month unlimited-mileage warranty.
- Stripped and inspected to OEM standards
- New piston rings, bearings, gaskets and seals
- Pressure-tested before dispatch
- 12-month unlimited-mileage warranty included
Question 6How do I find my Renault Laguna engine code-
Your Laguna engine code can be found in several places:
- On the engine block (usually near the front or on the side)
- In the vehicle's V5C registration document
- On a label inside the engine compartment
- Enter your registration above and we'll look it up for you
Compare Renault Laguna 1.5 / 1.9 dCiEngine PricesToday
200+ Laguna dCi engines supplied through our network
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Comparing quotes for your Renault Laguna 1.5 or 1.9 dCi engine replacement is free, quick, and carries no obligation. Whether you need a K9K 780 for a Laguna III, an F9Q 760 for a Laguna II, or any other dCi code, our network of UK specialists will provide transparent, itemised pricing. Enter your registration above and get matched with trusted Renault Laguna dCi engine specialists today. Remember - 1.5 dCi and 1.9 dCi engines are not interchangeable, so always verify your engine code before ordering.

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