DB5 Standard 4.0L Engines
from £18,000 to £35,000
Rebuilt units from £18,000 · Common codes: 400/1461, 400/1540, 400/1560, 400/1782
Aston Martin ENGINE MARKETPLACE
Aston Martin DB5 400 Classic Engine Specialist - Rebuild & Restore
Get specialist quotes from UK Aston Martin DB5 classic engine experts. Compare rebuilt & restored 400 engines for DB5 to DB5 Vantage. Get specialist quotes for your DB5.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
DB5 Vantage 4.0L Engines
from £25,000 to £60,000
Rebuilt units from £25,000 · Common codes: 400/2025/V, 400/1365/V, 400/987/V, 400/112/V
DB5 4.2L Upgraded Engines
from £22,000 to £45,000
Rebuilt units from £22,000 · Common codes: 400/1306, 400/1461, 400/1560, 400/1782
Instant engine replacement quote - 100% free, no obligation
Engine replacement near me - UK-wide specialist network
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 Aston Martin DB5 Replacement Engineto Finding the Best Aston Martin DB5 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
No entries match that model filter yet.
↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Aston Martin DB5 Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Aston Martin DB5 engines through EngineMarket.
4.8
★★★★★
out of 5
1,081 verified reviews
★★★★★
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
JJimmyGoogle
★★★★★
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
PPeteFacebook
★★★★★
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
SSophieTrustpilot
★★★★★
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
JJimmyGoogle
Variants We Cover
Aston Martin DB5 Engine ReplacementAll Variants Covered
Aston Martin DB5 Saloon
1461 4.0L 4.0L Petrol
Rebuilt Engines: £18,000-£35,000
Aston Martin DB5 Convertible
1306 4.0L 4.0L Petrol
Rebuilt Engines: £20,000-£38,000
Aston Martin DB5 Vantage Saloon
V 4.0L Petrol
Rebuilt Engines: £25,000-£60,000
Aston Martin DB5 Vantage Convertible
V 4.0L Petrol
Rebuilt Engines: £28,000-£65,000
Aston Martin DB5 Shooting Brake
1461 4.0L 4.0L Petrol
Rebuilt Engines: £22,000-£42,000
Aston Martin DB5 4.2-Litre Conversion
1560 4.2L 4.2L Petrol
Rebuilt Engines: £22,000-£45,000
Aston Martin DB5 Automatic
1540 4.0L 4.0L Petrol
Rebuilt Engines: £19,000-£36,000
Aston Martin DB5 5-Speed Manual
1782 4.0L 4.0L Petrol
Rebuilt Engines: £18,500-£35,500
Aston Martin DB5 4.7-Litre Performance
2025 4.7L 4.7L Petrol
Rebuilt Engines: £30,000-£70,000
Aston Martin DB5 Competition Race
V 4.0L Petrol
Rebuilt Engines: £35,000-£75,000
Aston Martin DB5 Left Hand Drive
1678 4.0L 4.0L Petrol
Rebuilt Engines: £19,000-£37,000
Aston Martin DB5 Right Hand Drive
1892 4.0L 4.0L Petrol
Rebuilt Engines: £18,000-£35,000
Not sure which variant your Aston Martin DB5 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
DB5
Engine Codes
Aston Martin DB5 Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Aston Martin DB5 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 Aston Martin DB5 variants.
400/2025/V - 4.0L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
DB5 Vantage SaloonDB5 Vantage ConvertibleDB5 Saloon (4.2 conversion)DB5 Convertible (4.2 conversion)
Avg. rebuilt price
£22,000 - £45,000
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 4.2L
- Power output
- 310-325 hp
- Years fitted
- 1963-1965
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 Aston Martin DB5 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
DB5
Common Problems
Aston Martin DB5 Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Aston Martin DB5's 4.0-litre straight-six is a robust design, but age and mileage bring specific challenges. The 400-series engine family (standard and Vantage) dominates replacement demand, with oil leaks, timing chain wear, and carburettor tuning issues most commonly driving enquiries. Every rebuilt engine supplied through EngineMarket includes...
Valve Cover Gasket Oil Leaks - Why Aston Martin DB5 Engines Lose Oil Prematurely
Valve Cover Gasket Oil Leaks
Most affected vehicles
Aston Martin DB5 SaloonConvertible
Aston Martin DB5 Saloon, Convertible, Vantage (1963-1965, 400-series engine codes)
Failure mileage range
30,000-50,000 miles since last gasket replacement
Typical failure window
Root cause
Original rubber gaskets harden with age and heat cycling, losing sealing ability around valve cover perimeter.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Gasket Replacement | £1,200 - £2,200 | £700 - £1,500 | Remove valve covers, clean sealing surfaces, fit new gaskets and seals | 15,000-25,000 miles if quality gaskets used; suitable for early-stage leaks |
| Full Replacement - Rebuilt Engine | £45,000 - £75,000 | £18,000 - £60,000 | Complete engine strip, new gaskets throughout, upgraded seals, dyno testing, 12-month warranty | Lifetime solution; addresses all wear items simultaneously; recommended for high-mileage engines |
Our recommendation
For isolated valve cover leaks on otherwise sound DB5 engines, specialist gasket replacement offers excellent value. However, if your engine exceeds 40k miles since last major service, consider a full rebuild to address multiple wear points proactively.
Compare rebuilt 400-series engine prices for your Aston Martin DB5Replacement Engine Options
Aston Martin DB5 Engine TypesOptions, Costs & What to Expect
Every DB5 engine type is available through our UK network with typical price ranges based on variant, 400-series engine code and budget.
Aston Martin DB5 Reconditioned Engines (Recon)£18,000 - £45,000((supply only))
Aston Martin DB5 Rebuilt Engines£22,000 - £60,000((supply only))
Aston Martin DB5 Used Engines£12,000 - £28,000((supply only))
Aston Martin DB5 Remanufactured Engines£25,000 - £65,000((supply only))
Aston Martin DB5 Refurbished Engines£15,000 - £38,000((supply only))
Compare Aston Martin DB5 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 Aston Martin DB5 within hours.
Engine Sizes
Aston Martin DB5 Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Aston Martin DB5 is listed below, with compatible 400-series engine codes, production years and common failure notes to help identify your replacement options.
The DB5's original 4.0-litre (3,995cc) straight-six, designed by Tadek Marek, powered all 1963-1965 production in standard 282bhp SU-carburettor or 314bhp Vantage Weber-carburettor specification. This iconic engine defines the DB5 character, with robust construction but age-related wear requiring specialist attention during replacement or rebuild.
⚙
Engine Code(s)
400, 1461, 400, 1540, 400, 1560, 400, 1782, 400, 2025, V, 400, 1365, V
▣
Compatible Models (UK)
DB5 Saloon (1963-1965), DB5 Convertible (1963-1965), DB5 Vantage Saloon (1964-1965), DB5 Vantage Convertible
ϟ
Power output
Verified by registration
△
Common Failure Points
Valve cover oil leaks, timing chain tensioner wear, carburettor tuning issues, cooling system marginality on Vantage models
Production Years: 1964-1965
Compare Aston Martin DB5 4.0L petrol engine pricesFuel Type
Aston Martin DB5 Engines by Fuel Type
Choose your Aston Martin DB5 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from standard 4.0-litre SU to Vantage Weber specification.
Aston Martin DB5 Petrol Engines
PetrolAll Aston Martin DB5 variants were powered exclusively by petrol-fuelled 400-series straight-six engines, with displacement options of 4.0L (standard), 4.2L (conversion) or 4.7L (competition).
Common Aston Martin DB5 Petrol Engine Families
- •400/1461 - Standard 4.0L SU-carburettor engine (282bhp), most common replacement candidate
- •400/2025/V - Vantage 4.0L Weber-carburettor engine (314bhp), highest demand for specialist rebuilds
- •400/1306 - 4.2L conversion engine (310-325bhp), popular performance upgrade option
Found In
- •DB5 Saloon (1963-1965) - 400/1461, 400/1540, 400/1560, 400/1782
- •DB5 Convertible (1963-1965) - 400/1306, 400/1365/V
- •DB5 Vantage Saloon/Convertible (1964-1965) - 400/2025/V, 400/1365/V, 400/987/V
Known For
- •Robust Tadek Marek straight-six design with proven longevity when maintained
- •Valve cover oil leaks and timing chain wear as most common age-related failures
- •Vantage Weber carburettors require specialist tuning expertise for optimal performance
Typical Petrol Models
- •DB5 Saloon
- •DB5 Convertible
- •DB5 Vantage Saloon
Aston Martin DB5 Petrol Engines
PetrolAll Aston Martin DB5 variants were powered exclusively by petrol-fuelled 400-series straight-six engines, with displacement options of 4.0L (standard), 4.2L (conversion) or 4.7L (competition).
Common Aston Martin DB5 Petrol Engine Families
- •400/1461 - Standard 4.0L SU-carburettor engine (282bhp), most common replacement candidate
- •400/2025/V - Vantage 4.0L Weber-carburettor engine (314bhp), highest demand for specialist rebuilds
- •400/1306 - 4.2L conversion engine (310-325bhp), popular performance upgrade option
Found In
- •DB5 Saloon (1963-1965) - 400/1461, 400/1540, 400/1560, 400/1782
- •DB5 Convertible (1963-1965) - 400/1306, 400/1365/V
- •DB5 Vantage Saloon/Convertible (1964-1965) - 400/2025/V, 400/1365/V, 400/987/V
Known For
- •Robust Tadek Marek straight-six design with proven longevity when maintained
- •Valve cover oil leaks and timing chain wear as most common age-related failures
- •Vantage Weber carburettors require specialist tuning expertise for optimal performance
Typical Petrol Models
- •DB5 Saloon
- •DB5 Convertible
- •DB5 Vantage Saloon
Not sure which fuel type your Aston Martin DB5 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 Aston Martin DB5 specialists.
Engine YearsGet quotes for 1963 Aston Martin DB5 replacement engines →
Aston Martin DB5 Engines by YearWhat Was Fitted & WhenAston Martin DB5 Engines by Year - What Was Fitted & When
This section covers all major engine changes across the DB5's 1963-1965 production timeline, organised so owners can quickly identify their 400-series engine and compare rebuilt prices from UK specialists.
⚙Key Changes
- ✓Introduction of Tadek Marek 4.0L straight-six engine (3,995cc, 96mm bore, 92mm stroke)
- ✓Standard specification: triple SU HD8 carburettors, 282bhp at 5,500rpm, 8.7:1 compression
- ✓ZF 5-speed manual gearbox standard; BorgWarner Type 35 automatic optional
- ✓Early cylinder head castings unique to 1963 production; verify bonnet clearance compatibility
▣Main Engines
400/765- 4.0L petrol (early production DB5 Saloon)
400/100-400/500range - 4.0L petrol (standard DB5 Saloon/Convertible)
▰Popular Models
- •Aston Martin DB5 Saloon (Early Production)
- •Aston Martin DB5 Convertible (Early Production)
🔧Known For
- ✓Earliest DB5 engines command premium for matching-numbers restoration projects
- ✓Early cylinder head castings may require verification for correct carburettor fitment
- ✓Limited production numbers increase rarity value for original-engine examples
- ✓Specialist knowledge required for authentic period-correct rebuild specification
Engine Codes Covered:
400/765400/100400/200400/300400/400400/500Not sure which year your Aston Martin DB5 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 Aston Martin DB5 specialists.
FAQ