8C 4.7L V8 Engines
from £18,500 to £32,000
Rebuilt units from £18,500 · Common codes: AR8C, F136 YS, 4691cc
Alfa Romeo ENGINE MARKETPLACE
Alfa Romeo 8C Engine Replacement - Rebuilt & Performance Options Available
Get quotes from trusted UK Alfa Romeo 8C engine specialists. Compare rebuilt and performance reconditioned prices for the AR8C V8 - Ferrari-derived engine covered. Find UK performance engine specialists.
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3 Simple Steps3 Simple Stepsto Finding the Best Alfa Romeo 8C Replacement Engineto Finding the Best Alfa Romeo 8C Replacement Engine
12-Month Warranty
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Most replacements completed within 3-5 days.
Engine Intelligence
Alfa Romeo 8C EnginesCodes, Common Failures & Replacement Costs
The cards below cover the Ferrari-derived V8 engines fitted to the Alfa Romeo 8C in the UK, including documented failure causes, variant production years, and typical rebuilt engine costs based on current UK market data for this ultra-rare supercar.
Average Market Prices
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↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Alfa Romeo 8C Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Alfa Romeo 8C engines through EngineMarket.
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Variants We Cover
Alfa Romeo 8C Engine ReplacementAll Variants Covered
Alfa Romeo 8C Competizione
AR8C/F136 YS 4.7L Petrol
Rebuilt Engines: £18,500-£32,000
Alfa Romeo 8C Spider
AR8C/F136 YS 4.7L Petrol
Rebuilt Engines: £19,000-£33,500
Alfa Romeo 8C GTA
AR8C/F136 YS 4.7L Petrol
Rebuilt Engines: £22,000-£38,000
Not sure which variant your Alfa Romeo 8C is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
8C
Engine Codes
Alfa Romeo 8C Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Alfa Romeo 8C 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 Alfa Romeo 8C variants.
AR8C - 4.7L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
8C Competizione8C Spider8C GTA
Avg. rebuilt price
£18,500 - £32,000
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 4.7L (4691cc)
- Power output
- 450 hp
- Years fitted
- 2007-2011
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 Alfa Romeo 8C engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
8C
Common Problems
Alfa Romeo 8C Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Alfa Romeo 8C's Ferrari-derived F136 YS V8 is engineered for performance, but low-mileage storage issues, timing chain tensioner wear and electrical gremlins dominate UK replacement enquiries. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month...
Alfa Romeo 8C Timing Chain Tensioner Failure - Why F136 YS Engines Rattle on Startup
Alfa Romeo 8C Timing Chain Tensioner Failure
Most affected vehicles
Alfa Romeo 8C Competizione8C Spider
Alfa Romeo 8C Competizione, 8C Spider, 8C GTA (2007-2011, AR8C/F136 YS)
Failure mileage range
60,000-90,000 miles
Typical failure window
Root cause
Hydraulic tensioner loses pressure over time, allowing chain stretch and guide wear; cold-start rattling is the first warning sign.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Tensioner Replacement | £3,200 - £4,800 | £1,800 - £2,900 | Replace tensioner, guides and chain before catastrophic failure; requires engine front cover removal | Viable only if caught early before guide debris enters sump; 30k-50k mile extension |
| Full Replacement - Rebuilt / Reconditioned Engine | £35,000 - £52,000 | £18,500 - £32,000 | Supply & fit of rebuilt F136 YS with upgraded tensioner components, bench-tested, 12-month warranty | Recommended once rattling is audible; prevents bottom-end damage and protects £200k+ asset value |
Our recommendation
On an Alfa Romeo 8C worth £180,000-£350,000, preventative tensioner replacement makes sense only if the engine is otherwise pristine and under 70k miles. Once rattling is confirmed, full replacement with an upgraded rebuilt unit offers better long-term protection and preserves collector value.
Compare rebuilt F136 YS engine prices for your Alfa Romeo 8CReplacement Engine Options
Alfa Romeo 8C Engine TypesOptions, Costs & What to Expect
Every Alfa Romeo 8C engine type is available through our UK network with typical price ranges based on the ultra-rare F136 YS V8, variant and budget.
Alfa Romeo 8C Reconditioned Engines (Recon)£18,500 - £28,000((supply only))
Alfa Romeo 8C Rebuilt Engines£22,000 - £32,000((supply only))
Alfa Romeo 8C Used Engines£15,000 - £24,000((supply only))
Alfa Romeo 8C Remanufactured Engines£26,000 - £38,000((supply only))
Alfa Romeo 8C Refurbished Engines£8,500 - £16,000((supply only))
Compare Alfa Romeo 8C 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 Alfa Romeo 8C within hours.
Engine Sizes
Alfa Romeo 8C Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Alfa Romeo 8C is listed below, with compatible engine codes, production years and common failure notes for UK owners.
The sole engine option for the Alfa Romeo 8C, this Ferrari-derived 4.7L V8 powered every Competizione, Spider and GTA variant with naturally aspirated refinement and cross-plane crank character. Its 450hp output and 90-degree architecture define the 8C's supercar credentials, though timing chain and bore wear require specialist attention.
⚙
Engine Code(s)
AR8C, F136 YS, 4691cc
▣
Compatible Models (UK)
8C Competizione (2007-2010), 8C Spider (2009-2011), 8C GTA
ϟ
Power output
Verified by registration
△
Common Failure Points
Timing chain tensioner wear, cylinder bore scoring, electrical ECU faults
Production Years: 2008-2009
Compare Alfa Romeo 8C 4.7L petrol engine pricesAlfa Romeo 8C Engines Fuel Type
Alfa Romeo 8C Engines by Fuel Type
Choose your Alfa Romeo 8C engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the exclusive Competizione to the rare Spider.
Alfa Romeo 8C Petrol Engines
PetrolThe Alfa Romeo 8C was offered exclusively with a Ferrari-derived 4.7L naturally aspirated V8 across all UK variants, making petrol engine replacement the sole focus for owners.
Common Alfa Romeo 8C Petrol Engine Families
- •AR8C/F136 YS - exclusive 4.7L V8 for Competizione/Spider/GTA, timing chain tensioner risk
- •4691cc - displacement identifier used in parts catalogues and technical documentation
Found In
- •8C Competizione Coupe (2007-2010) - AR8C/F136 YS
- •8C Spider Convertible (2009-2011) - AR8C/F136 YS
- •8C GTA Limited Edition (2008-2009) - AR8C/F136 YS
Known For
- •Exquisite naturally aspirated V8 sound and 450hp delivery
- •Timing chain tensioner failures between 60k-90k miles
- •Cylinder bore scoring on high-rev or poorly maintained examples
Typical Petrol Models
- •8C Competizione
- •8C Spider
- •8C GTA
Alfa Romeo 8C Petrol Engines
PetrolThe Alfa Romeo 8C was offered exclusively with a Ferrari-derived 4.7L naturally aspirated V8 across all UK variants, making petrol engine replacement the sole focus for owners.
Common Alfa Romeo 8C Petrol Engine Families
- •AR8C/F136 YS - exclusive 4.7L V8 for Competizione/Spider/GTA, timing chain tensioner risk
- •4691cc - displacement identifier used in parts catalogues and technical documentation
Found In
- •8C Competizione Coupe (2007-2010) - AR8C/F136 YS
- •8C Spider Convertible (2009-2011) - AR8C/F136 YS
- •8C GTA Limited Edition (2008-2009) - AR8C/F136 YS
Known For
- •Exquisite naturally aspirated V8 sound and 450hp delivery
- •Timing chain tensioner failures between 60k-90k miles
- •Cylinder bore scoring on high-rev or poorly maintained examples
Typical Petrol Models
- •8C Competizione
- •8C Spider
- •8C GTA
Not sure which fuel type your Alfa Romeo 8C 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 Alfa Romeo 8C specialists.
Engine YearsGet quotes for 2007 Alfa Romeo 8C replacement engines →
Alfa Romeo 8C Engines by YearWhat Was Fitted & WhenAlfa Romeo 8C Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Alfa Romeo 8C's limited production timeline, organised so owners can quickly identify their F136 YS V8 and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Launch of 8C Competizione coupe with AR8C/F136 YS 4.7L V8
- ✓First UK deliveries of ultra-rare 500-unit global production run
- ✓Introduction of cross-plane crank V8 with 450hp naturally aspirated output
▣Main Engines
AR8C/F136YS - 4.7L petrol (8C Competizione)
▰Popular Models
- •Alfa Romeo 8C Competizione
🔧Known For
- ✓Instant collector status due to 500-unit global limit
- ✓Timing chain tensioner wear emerging in early high-mileage examples
- ✓Exquisite exhaust note defining the 8C's character
Engine Codes Covered:
AR8CF136 YS4691ccNot sure which year your Alfa Romeo 8C 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 Alfa Romeo 8C specialists.
FAQ