Seat Leon Diesel Engines- from £850 to £2,800
Rebuilt units from £850 · Common codes: CAYC, CRLB, CRBC, CUPA
SEAT ENGINE MARKETPLACE
SEAT Leon Engine Replacement - Reconditioned & Used Prices Compared
Get quotes from trusted UK SEAT Leon engine specialists. Compare reconditioned, rebuilt and used prices for 1.2L TSI to 2.0L TDI - CJZA, CBZB & CHZD covered. Compare supply & fit options today.
Supply& Fit Available
12-Month Warranty
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Seat Leon Petrol Engines- from £750 to £2,600
Rebuilt units from £750 · Common codes: DKRF, CBZB, CAXA, CZEA
Seat Leon FR& Cupra Engines- from £1,200 to £3,500
Rebuilt units from £1,200 · Common codes: CCZB, CDLA, CJXG, DFGA
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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 SEAT Leon Replacement Engineto Finding the Best SEAT Leon 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 SEAT Leon Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used SEAT Leon 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
Seat Leon Engine Replacement- All Variants Covered
Seat Leon Reference
hp
Rebuilt Engines: £750-£1,600
Seat Leon SE
hp
Rebuilt Engines: £750-£2,100
Seat Leon Style
hp
Rebuilt Engines: £950-£2,200
Seat Leon XCELLENCE
hp
Rebuilt Engines: £850-£2,200
Seat Leon FR
hp
Rebuilt Engines: £950-£2,800
Seat Leon Cupra
hp
Rebuilt Engines: £1,400-£3,200
Seat Leon 1.2 TSI
hp
Rebuilt Engines: £750-£1,600
Seat Leon 1.0 TSI
hp
Rebuilt Engines: £950-£2,200
Seat Leon 1.6 TDI
hp
Rebuilt Engines: £850-£2,100
Seat Leon 2.0 TDI
hp
Rebuilt Engines: £1,200-£2,800
Seat Leon 1.4 TSI FR
hp
Rebuilt Engines: £1,200-£2,600
Seat Leon 1.5 TSI FR
hp
Rebuilt Engines: £1,400-£2,800
Not sure which variant your Seat Leon is- Enter your registration number above- we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Leon
Engine Codes
Seat Leon Engine CodesFull Technical Specifications& Replacement Guide
Every engine code fitted to the Seat Leon 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 SEAT Leon variants.
CAYC - 1.6L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
ReferenceSEStyleXCELLENCEFR(1P/5F)
Avg. rebuilt price
£850 - £2,100
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 1.6L
- Power output
- 75-105 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 Seat Leon engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Leon
Common Problems
Seat Leon Engine Problems- What It Costs to Fix& When Replacement Makes Sense
The Seat Leon's most common replacement enquiries centre on the 1.2 TSI(CBZB/CBZC) timing chain, 1.6 TDI(CAYC) injector/EGR failures, and 1.0 TSI(DKRF) intake manifold issues. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point- plus a minimum 12-month unlimited mileage...
Seat Leon 1.2 TSI Timing Chain Failure- Why CBZB/CBZC Engines Fail Prematurely
Seat Leon 1.2 TSI Timing Chain Failure- Why CBZB/CBZC Engines Fail Prematurely
Most affected vehicles
Seat Leon ReferenceSE
Seat Leon Reference, SE, Style, FR(2009-2017, CBZB& CBZC 1.2 TSI)
Failure mileage range
60,000-90,000 miles
Typical failure window
Root cause
Hydraulic tensioner loses pressure over time, allowing chain slack that damages guides and can jump timing.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor- Preventative Chain Kit | £800-£1,200 | £450-£750 | Replace chain, tensioner, guides before failure occurs. | Viable only if caught early; prevents catastrophic damage. |
| Intermediate- Top-End Repair | £1,800-£2,800 | £1,100-£1,800 | Cylinder head work if valves bent; new chain kit included. | Only if damage limited; often not cost-effective on older Leons. |
| Full Replacement- Rebuilt Engine | £3,200-£4,500 | £1,400-£2,400 | Supply& fit rebuilt CBZB/CBZC with upgraded tensioner, 12-month warranty. | Best value for high-mileage cars; restores reliability long-term. |
Our recommendation
If your Leon is under 70k miles and showing early chain rattle, a preventative kit from a specialist offers the best value. Once the chain has jumped or valves are bent, a rebuilt engine with upgraded components is often more economical than extensive repairs- especially on 10+ year old models.
Compare rebuilt CBZB engine prices for your Seat LeonReplacement Engine Options
Seat Leon Engine Types- Options, Costs& What to Expect
Every engine type is available through our UK network with typical price ranges based on your Leon's variant, engine code and budget.
Seat Leon Reconditioned Engines(Recon)£750-£2,800((supply only))
Seat Leon Rebuilt Engines£950-£3,200((supply only))
Seat Leon Used Engines£400-£1,400((supply only))
Seat Leon Remanufactured Engines£1,200-£3,500((supply only))
Seat Leon Refurbished Engines£650-£2,100((supply only))
Compare SEAT Leon 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 Seat Leon within hours.
Engine Sizes
Seat Leon Engines by Size- Find the Right Displacement for Your Variant
Every displacement fitted to the Seat Leon across UK generations is listed below with compatible engine codes, production years and common failure notes to help you identify the correct replacement.
The 1.6 TDI(CAYC) was the backbone of the Leon diesel range(2009-2017), offering an excellent balance of fuel economy and performance- but known for injector and EGR cooler failures at higher mileage.
⚙
Engine Code(s)
CAYC
▣
Compatible Models (UK)
Reference, SE, Style, XCELLENCE, FR
ϟ
Power output
Verified by registration
△
Common Failure Points
High-pressure injector wear from 80k miles; EGR cooler cracking causing coolant loss; dual-mass flywheel wear on manual models.
Production Years: 1P/5F, 2009-2017
Get quotes for Seat Leon 1.6L diesel enginesFuel Type
Seat Leon Engines by Fuel Type
Choose your Seat Leon engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options- from early 1.2 TSI to the latest 1.5 TSI Evo.
Seat Leon Diesel Engines
DieselDiesel Seat Leon models(primarily 1.6 TDI and 2.0 TDI) were popular for high-mileage drivers but face expensive injector, EGR and DPF failures that often drive replacement decisions on older generation cars.
Common Seat Leon Diesel Engine Families
- •CAYC- 1.6 TDI(75-105 PS), most common diesel replacement engine(Reference/SE/FR), injector&EGR failure risk
- •CRLB- 2.0 TDI(110-150 PS), higher-spec SE/FR/XCELLENCE, DPF& turbo concerns at higher mileage
- •CRBC- 2.0 TDI(110-140 PS), earlier generation diesel, similar failure patterns to CRLB
Found In
- •Leon Mk2(1P)(2009-2012)- CAYC, CRBC
- •Leon Mk3(5F)(2013-2017)- CAYC, CRLB, CRBC
- •Leon Mk4(KL1)(2017-present)- CRLB, updated TDI codes
Known For
- •Strong motorway fuel economy(55-65 mpg achievable)
- •Injector and EGR cooler failures common after 80k miles on 1.6 TDI
- •DPF regeneration issues on short-journey diesel Leons
Typical Diesel Models
- •Seat Leon Reference 1.6 TDI
- •Seat Leon SE 1.6 TDI / 2.0 TDI
- •Seat Leon Style 1.6 TDI
1 of 3
Seat Leon Diesel Engines
DieselDiesel Seat Leon models(primarily 1.6 TDI and 2.0 TDI) were popular for high-mileage drivers but face expensive injector, EGR and DPF failures that often drive replacement decisions on older generation cars.
Common Seat Leon Diesel Engine Families
- •CAYC- 1.6 TDI(75-105 PS), most common diesel replacement engine(Reference/SE/FR), injector&EGR failure risk
- •CRLB- 2.0 TDI(110-150 PS), higher-spec SE/FR/XCELLENCE, DPF& turbo concerns at higher mileage
- •CRBC- 2.0 TDI(110-140 PS), earlier generation diesel, similar failure patterns to CRLB
Found In
- •Leon Mk2(1P)(2009-2012)- CAYC, CRBC
- •Leon Mk3(5F)(2013-2017)- CAYC, CRLB, CRBC
- •Leon Mk4(KL1)(2017-present)- CRLB, updated TDI codes
Known For
- •Strong motorway fuel economy(55-65 mpg achievable)
- •Injector and EGR cooler failures common after 80k miles on 1.6 TDI
- •DPF regeneration issues on short-journey diesel Leons
Typical Diesel Models
- •Seat Leon Reference 1.6 TDI
- •Seat Leon SE 1.6 TDI / 2.0 TDI
- •Seat Leon Style 1.6 TDI
Seat Leon Petrol Engines
PetrolPetrol Seat Leon engines(1.0 TSI, 1.2 TSI, 1.4/1.5/1.8/2.0 TSI) dominate the replacement market, with the 1.2 TSI timing chain issue being the single biggest driver of enquiries across the Mk2/Mk3 generations.
Common Seat Leon Petrol Engine Families
- •CBZB/CBZC- 1.2 TSI(85-105 PS), highest-volume replacement engine, notorious timing chain tensioner failure
- •DKRF/DKLA- 1.0 TSI(95-115 PS), Leon Mk4 workhorse, intake carbon buildup requires maintenance
- •CZEA/DADA- 1.4/1.5 TSI(140-150 PS), FR/Cupra performance units, higher replacement cost but strong demand
Found In
- •Leon Mk2(1P)(2008-2012)- CBZB, CBZC, CCZB
- •Leon Mk3(5F)(2013-2017)- CBZB, CBZC, CZEA, CZDA
- •Leon Mk4(KL1)(2017-present)- DKRF, DKLA, CHZJ, DADA
Known For
- •1.2 TSI timing chain failures between 60k-90k miles drive most replacement enquiries
- •1.0 TSI direct injection requires regular walnut blasting to prevent carbon issues
- •FR and Cupra TSI engines command premium replacement prices but offer strong performance
Typical Petrol Models
- •Seat Leon Reference 1.2 TSI
- •Seat Leon SE 1.0 TSI / 1.2 TSI
- •Seat Leon Style 1.0 TSI
Seat Leon Hybrid/ Electrified Engines
MHEVThe Seat Leon has been offered with mild-hybrid(eTSI) and plug-in hybrid(e-HYBRID) powertrains in the UK market from Mk4 onwards; replacement enquiries remain low but specialist knowledge is required.
Important Notes
- •Mild-hybrid(eTSI) variants use 1.0/1.5 TSI with 48V belt-starter generator
- •Plug-in hybrid(e-HYBRID) combines 1.4 TSI with electric motor and battery pack
- •Engine replacement on hybrid variants requires hybrid-system inspection and specialist handling
Not sure which fuel type your Seat Leon 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 Seat Leon specialists.
Engine YearsGet quotes for 2008-2009 Seat Leon replacement engines →
Seat Leon Engines by Year- What Was Fitted& WhenSeat Leon Engines by Year- What Was Fitted& When
This section covers all major engine changes across the Seat Leon production timeline, organised so owners can quickly identify their engine and compare rebuilt prices from UK specialists.
⚙Key Changes
- ✓New PQ35 platform debut for Leon Mk2(1P chassis)
- ✓Introduction of EA111 1.2 TSI(CBZB/CBZC) petrol engines
- ✓New EA189 1.6 TDI(CAYC) diesel replaces older Pumpe-Düse units
- ✓Reference, SE, Style, FR trim levels at launch
▣Main Engines
CBZB-1.2L petrol TSI(85-105 PS)(Reference, SE, Style, FR)
BXW-1.4L petrol MPI(85 PS)(Reference, SE)
CAYC-1.6L diesel TDI(90-105 PS)(Reference, SE, Style, FR)
▰Popular Models
- •Seat Leon Reference 1.2 TSI
- •Seat Leon SE 1.6 TDI
- •Seat Leon Style 1.2 TSI
🔧Known For
- ✓Early CBZB 1.2 TSI timing chain tensioner issues emerge in owner reports
- ✓Strong diesel demand for high-mileage drivers
- ✓Value-focused positioning drives high used-engine replacement volume
Engine Codes Covered:
CBZBCBZCBXWCAYCNot sure which year your Seat Leon 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 Seat Leon specialists.
FAQ