Thalia 1.5 dCi Diesel Engines
from £450 to £1,200
Rebuilt units from £450 · Common codes: K9K 700, K9K 718, K9K 740
Renault ENGINE MARKETPLACE
Renault Thalia Engine Replacement - Compare Prices & Save
Get quotes from trusted UK Renault Thalia engine specialists. Compare used and reconditioned prices for 1.4L to 1.6L petrol & diesel - K4M & K9K covered. Find the best value for your budget.
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12-Month Warranty
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Thalia 1.4-1.6L Petrol Engines
from £350 to £950
Rebuilt units from £350 · Common codes: K4J 712, K4M 744, K4M 736
Thalia 1.2L Petrol Engines
from £300 to £800
Rebuilt units from £300 · Common codes: D4F 728, D7F 800, K7J 700
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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 Thalia Replacement Engineto Finding the Best Renault Thalia 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 Thalia Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Renault Thalia 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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“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
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“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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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 Thalia Engine ReplacementAll Variants Covered
Renault Thalia Authentique 1.2
D7F 1.2L Petrol
Rebuilt Engines: £300-£750
Renault Thalia Expression 1.4
K4J 1.4L Petrol
Rebuilt Engines: £350-£900
Renault Thalia Dynamique 1.4
K4J 1.4L Petrol
Rebuilt Engines: £350-£950
Renault Thalia Dynamique 1.6
K4M 1.6L Petrol
Rebuilt Engines: £400-£1,100
Renault Thalia Privilege 1.6
K4M 1.6L Petrol
Rebuilt Engines: £400-£1,100
Renault Thalia 1.5 dCi 65
K9K 1.5L Diesel
Rebuilt Engines: £450-£1,200
Renault Thalia 1.5 dCi 84
K9K 1.5L Diesel
Rebuilt Engines: £500-£1,250
Renault Thalia Clio Symbol 1.4
K4J 1.4L Petrol
Rebuilt Engines: £350-£900
Renault Thalia Authentique 1.4
K7J 1.4L Petrol
Rebuilt Engines: £300-£800
Renault Thalia Expression 1.6
K4M 1.6L Petrol
Rebuilt Engines: £400-£1,050
Renault Thalia 1.2 16v
D4F 1.2L Petrol
Rebuilt Engines: £320-£850
Renault Thalia Flex Fuel 1.6
K7M 1.6L Petrol
Rebuilt Engines: £380-£950
Not sure which variant your Renault Thalia is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Thalia
Engine Codes
Renault Thalia Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Renault Thalia 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.
Petrol Engines
Extracted from detailed petrol and performance engine families across Renault Thalia variants.
K4J - 1.4L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
Authentique 1.4Expression 1.4Dynamique 1.4Privilege 1.4Clio Symbol 1.4
Avg. rebuilt price
£350 - £950
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 1.4L
- Power output
- 75-98 hp
- Years fitted
- 1999-2013
Common failures
- ●Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
- ●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 Thalia engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Thalia
Common Problems
Renault Thalia Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Renault Thalia's K4J, K4M and K9K engines dominate UK replacement enquiries, with timing belt failures and injector wear 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 the cost comparisons below...
Timing Belt Failure - Why K4J/K4M Engines Fail Prematurely
Timing Belt Failure
Most affected vehicles
Renault Thalia 1.4 16v1.6 16v (1999-2013
Renault Thalia 1.4 16v, 1.6 16v (1999-2013, K4J & K4M engine codes)
Failure mileage range
60,000-90,000 miles if not replaced per service schedule
Typical failure window
Root cause
Rubber timing belt degrades with age and heat; if it snaps, valves collide with pistons causing catastrophic engine damage.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Belt Replacement | £450 - £750 | £280 - £450 | Replace timing belt, tensioner, water pump and seals | Prevents catastrophic failure; recommended every 60k miles or 5 years |
| Full Replacement - Rebuilt Engine | £1,800 - £3,200 | £350 - £1,100 (supply only) | Supply of rebuilt K4J/K4M engine with upgraded components, bench tested, 12-month warranty | Best value if belt has already snapped; avoids labour-intensive repair on low-value Thalia |
Our recommendation
On a Thalia worth £800-£2,500, preventative belt replacement at a specialist offers far better value than risking catastrophic failure. If the belt has already snapped, a rebuilt engine with warranty is typically more economical than attempting a cylinder head repair.
Compare rebuilt K4J/K4M engine prices for your Renault ThaliaReplacement Engine Options
Renault Thalia Engine TypesOptions, Costs & What to Expect
Every Renault Thalia engine type is available through our UK network, with typical price ranges based on variant, engine code and budget.
Renault Thalia Reconditioned Engines (Recon)£350 - £1,100((supply only))
Renault Thalia Rebuilt Engines£400 - £1,200((supply only))
Renault Thalia Used Engines£295 - £750((supply only))
Renault Thalia Remanufactured Engines£500 - £1,400((supply only))
Renault Thalia Refurbished Engines£320 - £950((supply only))
Compare Renault Thalia 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 Thalia within hours.
Engine Sizes
Renault Thalia Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Renault Thalia is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The 1.2L petrol engines powered entry-level Thalia models across both generations, with the simpler D7F 8v on early cars and the more efficient D4F 16v introduced for Thalia II. Both share architecture with the Clio II for excellent parts availability in the UK aftermarket.
⚙
Engine Code(s)
D7F 800, D4F 728
▣
Compatible Models (UK)
Authentique 1.2 (1999-2008), Thalia II 1.2 16v
ϟ
Power output
Verified by registration
△
Common Failure Points
Dephaser pulley rattle on D4F; idle instability, oil consumption on higher-mileage D7F units
Production Years: 2004-2013
Compare Renault Thalia 1.2L petrol engine pricesFuel Type
Renault Thalia Engines by Fuel Type
Choose your Renault Thalia engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the economical 1.2L petrol to the efficient 1.5L dCi diesel.
Renault Thalia Petrol Engines
PetrolPetrol engines powered the vast majority of UK-imported Thalias, with 1.2L, 1.4L and 1.6L options across both generations, all sharing architecture with the Clio II for excellent parts availability.
Strong UK specialist network familiar with these widely-used Renault engine codes
- •K4J - 1.4L 16v, most common replacement engine (Expression/Dynamique), timing belt critical
- •K4M - 1.6L 16v, top-spec performance unit, watch for overheating issues
- •D4F - 1.2L 16v, Thalia II efficiency engine, dephaser pulley noise common
Found In
- •Thalia I (LB) (1999-2008) - K7J, K4J, K4M, K7M
- •Thalia II (2008-2013) - D4F, K4J, K4M
Known For
- •Excellent parts compatibility with Renault Clio II across all petrol engines
- •Timing belt replacement critical every 60k miles to prevent catastrophic failure
- •Dephaser pulley rattle on cold start common on 16v units after 50k miles
Typical Petrol Models
- •Authentique 1.2 / 1.4
- •Expression 1.4 / 1.6
- •Dynamique 1.4 / 1.6
1 of 2
Renault Thalia Petrol Engines
PetrolPetrol engines powered the vast majority of UK-imported Thalias, with 1.2L, 1.4L and 1.6L options across both generations, all sharing architecture with the Clio II for excellent parts availability.
Strong UK specialist network familiar with these widely-used Renault engine codes
- •K4J - 1.4L 16v, most common replacement engine (Expression/Dynamique), timing belt critical
- •K4M - 1.6L 16v, top-spec performance unit, watch for overheating issues
- •D4F - 1.2L 16v, Thalia II efficiency engine, dephaser pulley noise common
Found In
- •Thalia I (LB) (1999-2008) - K7J, K4J, K4M, K7M
- •Thalia II (2008-2013) - D4F, K4J, K4M
Known For
- •Excellent parts compatibility with Renault Clio II across all petrol engines
- •Timing belt replacement critical every 60k miles to prevent catastrophic failure
- •Dephaser pulley rattle on cold start common on 16v units after 50k miles
Typical Petrol Models
- •Authentique 1.2 / 1.4
- •Expression 1.4 / 1.6
- •Dynamique 1.4 / 1.6
Renault Thalia Diesel Engines
DieselThe 1.5L dCi diesel was offered on later Thalia models for high-mileage efficiency, using the widely-supported K9K engine shared across Renault-Nissan small vehicles.
Common Renault Thalia Diesel Engine Families
- •K9K - 1.5L dCi, efficient diesel option, injector wear and EGR issues documented
Found In
- •Thalia I facelift (2003-2008) - K9K 700 (65hp)
- •Thalia II (2008-2013) - K9K 718/740 (65/84hp)
Known For
- •Strong fuel economy suited to high-mileage ownership
- •High-pressure injector replacement a common maintenance item after 70k miles
- •EGR valve clogging on short-journey cars; regular motorway runs help prevent issues
Typical Diesel Models
- •1.5 dCi 65 (Thalia I & II)
- •1.5 dCi 84 (Thalia II)
Not sure which fuel type your Renault Thalia 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 Thalia specialists.
Engine YearsGet quotes for 1999-2003 Renault Thalia replacement engines →
Renault Thalia Engines by YearWhat Was Fitted & WhenRenault Thalia Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Renault Thalia's production timeline (1999-2013), organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Thalia I (LB platform) launched based on Clio II mechanicals
- ✓Petrol engines only at launch: 1.2L 8v, 1.4L 8v/16v, 1.6L 8v/16v
- ✓Trim levels: Authentique, Expression, Dynamique, Privilege
▣Main Engines
D7F- 1.2L petrol 8v (Authentique)
K7J- 1.4L petrol 8v (base models)
K4J- 1.4L petrol 16v (Expression/Dynamique)
K4M- 1.6L petrol 16v (Privilege/top spec)
K7M- 1.6L petrol 8v flex fuel (export markets)
▰Popular Models
- •Renault Authentique 1.4
- •Renault Expression 1.4
- •Renault Dynamique 1.6
- •Renault Privilege 1.6
🔧Known For
- ✓Simple, robust K-series engines with widespread Clio II parts support
- ✓Timing belt replacement critical every 60k miles to prevent valve damage
- ✓Entry-level pricing made Thalia popular in Eastern European import markets
- ✓No factory diesel option in early production years
Engine Codes Covered:
D7F 800K7J 700K4J 700K4J 712K4M 700K4M 736K7M 700Not sure which year your Renault Thalia 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 Thalia specialists.
FAQ