Bentley Eight 6.75L V8 Engines
from £8,500 to £12,500
Rebuilt units from £8,500 · Common codes: L410, L410B, L410I, L410D
BENTLEY ENGINE MARKETPLACE
Bentley Eight L410 V8 Classic Engine Specialist - Rebuild & Restore
Get specialist quotes from UK Bentley Eight classic engine experts. Compare rebuilt & restored 6.75L V8 engines. Get specialist quotes for your Bentley Eight.
Supply & Fit Available
12-Month Warranty
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Bentley Eight EFI V8 Engines
from £9,200 to £13,800
Rebuilt units from £9,200 · Common codes: L410I, L410B, L410IT, L410M
Bentley Eight Turbo V8 Engines
from £13,500 to £18,500
Rebuilt units from £13,500 · Common codes: L410D, L410IT, L410D Turbo specialist
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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 Bentley Eight Replacement Engineto Finding the Best Bentley Eight Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
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Most replacements completed within 3-5 days.
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↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Bentley Eight Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Bentley Eight 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
Bentley Eight Engine ReplacementAll Variants Covered
Bentley Eight Standard
L410 5L Petrol
Rebuilt Engines: £8,500-£11,800
Bentley Eight High-Compression
L410I 5L Petrol
Rebuilt Engines: £9,200-£12,500
Bentley Eight SE
L410I 5L Petrol
Rebuilt Engines: £9,200-£13,200
Bentley Eight EFI
L410I 5L Petrol
Rebuilt Engines: £9,200-£13,800
Bentley Eight Turbo
L410D 5L Petrol
Rebuilt Engines: £13,500-£18,500
Bentley Eight Turbo EFI
L410IT 5L Petrol
Rebuilt Engines: £14,200-£19,200
Bentley Eight Carburettor
L410 5L Petrol
Rebuilt Engines: £8,500-£11,200
Bentley Eight UK-Spec
L410I 5L Petrol
Rebuilt Engines: £9,200-£13,200
Bentley Eight RHD
L410I 5L Petrol
Rebuilt Engines: £9,200-£13,200
Bentley Eight LHD Import
L410I 5L Petrol
Rebuilt Engines: £9,200-£13,800
Bentley Eight Cat-Equipped
L410I 5L Petrol
Rebuilt Engines: £9,800-£14,200
Bentley Eight 4L80-E Transmission Match
L410I 5L Petrol
Rebuilt Engines: £9,500-£13,500
Not sure which variant your Bentley Eight is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Eight
Engine Codes
Bentley Eight Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Bentley Eight 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 Bentley Eight variants.
L410 - 6.75L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
Eight StandardEight Wire-Mesh GrilleEight Early Production
Avg. rebuilt price
£8,500 - £11,800
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 6.75L
- Power output
- 190-210 hp
- Years fitted
- 1984-1992
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 Bentley Eight engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Eight
Common Problems
Bentley Eight Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Bentley Eight's iconic 6.75L L-series V8 is robust but age-related failures are common on these 30+ year-old classics. The L410, L410I and L410D engine families dominate replacement demand, with oil seal leaks, coolant system brittleness and hydraulic lifter wear being the most frequent failure patterns. Every rebuilt engine supplied through...
Ageing Oil Seal Leaks - Why Bentley Eight L-Series V8s Seep Oil
Ageing Oil Seal Leaks
Most affected vehicles
Bentley Eight StandardEight High-Compression
Bentley Eight Standard, Eight High-Compression, Eight Turbo (1984-1992, L410, L410I, L410D)
Failure mileage range
60,000-100,000 miles or 25-35 years of age
Typical failure window
Root cause
Original rubber crankshaft seals harden and shrink with age, while composite head gaskets degrade under thermal cycling, allowing oil to escape from front/rear main seals and cylinder head joints.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Seal Replacement Only | £1,800 - £2,800 | £950 - £1,600 | Replace front/rear main seals and visible gaskets without engine removal | Temporary fix; other ageing seals likely to fail soon |
| Intermediate - Partial Overhaul | £4,200 - £6,500 | £2,400 - £4,100 | Remove engine, replace all major seals, inspect liners and bearings | Viable if block integrity confirmed; 30-50k mile expectation |
| Full Replacement - Rebuilt / Reconditioned Engine | £14,500 - £21,000 | £8,500 - £13,800 | Supply and fit of fully rebuilt L410/L410I unit with upgraded Viton seals and MLS gaskets | Best long-term solution; 100k+ mile expectation with warranty |
Our recommendation
On a Bentley Eight valued at £15,000-£35,000, a full rebuilt engine replacement often represents better value than repeated seal repairs. We recommend the full replacement route if multiple seals are leaking or if the engine has exceeded 80k miles, as this addresses all ageing components at once with warranty protection.
Compare rebuilt L410 engine prices for your Bentley EightReplacement Engine Options
Bentley Eight Engine TypesOptions, Costs & What to Expect
Every Bentley Eight engine type is available through our UK network with typical price ranges based on the iconic 6.75L L-series V8, variant, and budget.
Bentley Eight Reconditioned Engines (Recon)£8,500 - £12,500((supply only))
Bentley Eight Rebuilt Engines£9,200 - £13,800((supply only))
Bentley Eight Used Engines£3,000 - £5,200((supply only))
Bentley Eight Remanufactured Engines£11,200 - £15,800((supply only))
Bentley Eight Refurbished Engines£7,200 - £10,500((supply only))
Compare Bentley Eight 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 Bentley Eight within hours.
Engine Sizes
Bentley Eight Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Bentley Eight is listed below, with compatible engine codes, production years and common failure notes to help you identify the correct replacement unit.
The iconic 6.75-litre L-series V8 powered every Bentley Eight from 1984-1992, featuring pushrod architecture, aluminium block with wet liners, and either twin SU carburettors (pre-1986) or Bosch K-Jetronic/Motronic fuel injection (post-1986). This torque-focused engine delivered smooth, refined power characteristic of classic Bentley saloons.
⚙
Engine Code(s)
L410, L410B, L410I, L410D, L410IT
▣
Compatible Models (UK)
Eight Standard (1984-1992), Eight High-Compression (1987-1992), Eight Turbo (1985-1992), Eight Turbo EFI
ϟ
Power output
Verified by registration
△
Common Failure Points
Ageing oil seal leaks, plastic coolant pipe brittleness, hydraulic lifter collapse, wet liner seal degradation
Production Years: 1987-1992
Compare Bentley Eight 6.75L petrol engine pricesFuel Type
Bentley Eight Engines by Fuel Type
Choose your Bentley Eight engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early carburetted L410 to fuel-injected L410I and turbocharged L410D variants.
Bentley Eight Petrol Engines
PetrolThe Bentley Eight was offered exclusively with petrol-powered 6.75L L-series V8 engines across its 1984-1992 production run, with carburettor and fuel injection variants.
Common Bentley Eight Petrol Engine Families
- •L410 - Base naturally aspirated V8 with twin SU carburettors (1984-1986 Eight models)
- •L410I - Fuel-injected naturally aspirated V8 with Bosch K-Jetronic (1986-1992 Eight models)
- •L410D - Turbocharged V8 with Garrett T3 turbo (1985-1992 Eight Turbo models)
Found In
- •Bentley Eight Standard SC1 chassis (1984-1992) - L410, L410I
- •Bentley Eight High-Compression/SE variants (1987-1992) - L410I
- •Bentley Eight Turbo performance variant (1985-1992) - L410D, L410IT
Known For
- •Smooth, torque-rich power delivery characteristic of classic Bentley saloons
- •Ageing seal oil leaks and coolant pipe brittleness on 30+ year-old units
- •Hydraulic lifter noise and wet liner seal degradation at higher mileage
Typical Petrol Models
- •Eight Standard
- •Eight High-Compression
- •Eight SE
Bentley Eight Petrol Engines
PetrolThe Bentley Eight was offered exclusively with petrol-powered 6.75L L-series V8 engines across its 1984-1992 production run, with carburettor and fuel injection variants.
Common Bentley Eight Petrol Engine Families
- •L410 - Base naturally aspirated V8 with twin SU carburettors (1984-1986 Eight models)
- •L410I - Fuel-injected naturally aspirated V8 with Bosch K-Jetronic (1986-1992 Eight models)
- •L410D - Turbocharged V8 with Garrett T3 turbo (1985-1992 Eight Turbo models)
Found In
- •Bentley Eight Standard SC1 chassis (1984-1992) - L410, L410I
- •Bentley Eight High-Compression/SE variants (1987-1992) - L410I
- •Bentley Eight Turbo performance variant (1985-1992) - L410D, L410IT
Known For
- •Smooth, torque-rich power delivery characteristic of classic Bentley saloons
- •Ageing seal oil leaks and coolant pipe brittleness on 30+ year-old units
- •Hydraulic lifter noise and wet liner seal degradation at higher mileage
Typical Petrol Models
- •Eight Standard
- •Eight High-Compression
- •Eight SE
Not sure which fuel type your Bentley Eight 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 Bentley Eight specialists.
Engine YearsGet quotes for 1984 Bentley Eight replacement engines →
Bentley Eight Engines by YearWhat Was Fitted & WhenBentley Eight Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Bentley Eight's 1984-1992 production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Introduction of Bentley Eight as entry-level luxury saloon below Mulsanne
- ✓L410 6.75L V8 with twin SU carburettors as standard powertrain
- ✓Wire-mesh grille radiator distinguishing Eight from Mulsanne vertical slats
- ✓Three-speed automatic transmission (GM Turbo-Hydramatic) standard
▣Main Engines
L410- 6.75L petrol naturally aspirated (Eight Standard)
▰Popular Models
- •Bentley Eight Standard
- •Bentley Eight Wire-Mesh Grille
- •Bentley Eight Early Production
🔧Known For
- ✓Classic carburettor tuning expertise required for optimal running
- ✓Ageing rubber seals and gaskets now primary failure points
- ✓Strong collector interest in well-maintained early examples
- ✓Pre-injection models exempt from some emissions testing requirements
Engine Codes Covered:
L410Not sure which year your Bentley Eight 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 Bentley Eight specialists.
FAQ