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Aston Martin DB2 LB6 Classic Engine SpecialistRebuild & Restore

Get specialist quotes from UK Aston Martin DB2 classic engine experts. Compare rebuilt & restored LB6 engines for DB2 to DB2 Vantage. Get specialist quotes for your DB2.

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Aston Martin DB2 LB6 2.6L straight-six engine - LB6/49 LB6B/50 rebuilt reconditioned UK
DB2 LB6 2.6L Engines- from £8,000 to £18,000

Rebuilt units from £8,000

Common codes: LB6/49, LB6B/50, VB6E, VB6J

Aston Martin DB2 LB6B 2.6L Vantage engine - LB6B/50/618 DBD rebuilt reconditioned UK specialist
DB2 LB6B 2.6L Vantage Engines- from £12,000 to £22,000

Rebuilt units from £12,000

Common codes: LB6B/50/618, LB6B/50/645, LB6B/50/662, DBD

Aston Martin DB2/4 VB6J 3.0L straight-six engine - VB6J DBD rebuilt reconditioned UK specialist
DB2/4 VB6J 3.0L Engines- from £15,000 to £25,000

Rebuilt units from £15,000

Common codes: VB6J, DBD, VB6E, LB6/49/32

Aston Martin DB2 engine replacement UK - compare reconditioned and rebuilt engine prices
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Engine Intelligence

Aston Martin DB2 Engines - Codes, Common Failures & Replacement Costs

The cards below cover the LB6 engine family fitted to the Aston Martin DB2 in the UK, including documented failure causes, variant production years, and typical rebuilt engine costs based on current UK specialist marketplace data.

Aston Martin DB2 engine intelligence reference

LB6/49

Production History

  • DB2 Sports Saloon (LML/50 series) - 1950-1953
  • DB2 Drophead Coupe (early production) - 1950-1952
  • DB2 Vantage (125bhp specification) - 1951-1953

Known Failures

  • Wet cylinder liner seal failure - coolant ingress into sump causing oil contamination and bearing damage.
  • Oil leak at sump gasket - period cork gaskets degrade, requiring specialist resealing with modern materials.
  • Timing chain tensioner wear - original spring tensioners lose pressure, risking chain slap and guide damage.

Specs

Petrol · 2.6L · 105-125hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £8,000-£18,000 (supply only)

LB6B/50

Production History

  • DB2 Sports Saloon (late production, LML/50 series) - 1952-1953
  • DB2 Vantage (high-compression 125bhp) - 1951-1953
  • DB2 Drophead Coupe (late specification) - 1952-1953

Known Failures

  • Cylinder head gasket failure - high-compression Vantage units prone to head lift under sustained load.
  • Valve guide wear - exhaust guides wear faster on high-output applications, causing oil consumption.
  • Oil pump wear - original gear pumps lose pressure after high mileage, risking bottom-end lubrication.

Specs

Petrol · 2.6L · 125hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £12,000-£22,000 (supply only)

VB6J

Production History

  • DB2/4 Sports Saloon (3.0L upgrade) - 1953-1955
  • DB2/4 Drophead Coupe (3.0L specification) - 1954-1957
  • DB2/4 MkII Vantage (140bhp high-compression) - 1955-1957

Known Failures

  • Wet liner cavitation erosion - 3.0L units susceptible to liner pitting without proper coolant treatment.
  • Carburettor synchronization issues - triple SU setup requires specialist tuning to prevent poor running.
  • Crankshaft main bearing wear - high-output Vantage applications accelerate bearing fatigue.

Specs

Petrol · 3.0L · 140-165hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £15,000-£25,000 (supply only) Estimated from comparable LB6-family units - actual quotes may vary due to DB2/4 rarity.

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Variants We Cover

Aston Martin DB2 Engine ReplacementAll Variants Covered

Not sure which variant your Aston Martin DB2 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Engine Codes

Aston Martin DB2 Engine Codes

Every engine code fitted to the Aston Martin DB2 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 DB2 variants.

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Common Problems

Aston Martin DB2 Engine Problems

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Save vs Main Dealer Price

Disclaimer: All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EngineMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Aston Martin DB2 and engine code. Every engine supplied through EngineMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.

Replacement Engine Options

Aston Martin DB2 Replacement Engine Types

Every Aston Martin DB2 engine type is available through our UK specialist network, with typical price ranges based on variant, LB6/VB6 engine code and restoration budget.

Aston Martin DB2 Refurbished EnginesTargeted refurbishment of your existing LB6/VB6 engine, addressing specific failures like oil leaks or liner seals without full strip.
Typical Price
£6,000 - £15,000
(supply only)
View refurbished Aston Martin DB2 engine options
Refurbished

Refurbished DB2 engines address known failure points while retaining original components where possible. Cost-effective for driver-quality cars.

  • Focus on wet liner seals, sump gaskets and timing components renewal
  • Cylinder head serviced if required; valves and guides inspected
  • Ideal for cars with good compression but external leak or noise issues
Typical Price
£6,000 - £15,000
(supply only)
View refurbished Aston Martin DB2 engine options

All rebuilt engines include a minimum 12-month 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 DB2 within hours.

Engine Sizes

Aston Martin DB2 Engines by SizeFind the Right Displacement for Your Variant

Every displacement fitted to the Aston Martin DB2 is listed below, with compatible LB6/VB6 engine codes, production years and common failure notes for accurate replacement identification.

The 2.6-litre LB6 straight-six powered all original DB2 models from 1950-1953, delivering 105bhp in standard form or 125bhp in Vantage specification. This aluminium-block engine with wet cylinder liners defined Aston Martin's post-war engineering and remains the most commonly replaced unit in the DB2 range.

ENGINE CODE(S)LB6, 49, LB6B, 50, LB6, 49, 32
COMPATIBLE MODELS (UK)DB2 Sports Saloon (1950-1953), DB2 Drophead Coupe (1950-1953), DB2 Vantage (1951-1953), DB2 Fixed Head Coupe
PRODUCTION YEARS1950-1953
Common Failure Points

Wet liner seal failure causing coolant ingress; sump gasket oil leaks; timing chain tensioner wear at higher mileage

Compare Aston Martin DB2 2.6L petrol engine prices

Not sure which engine size your Aston Martin DB2 needs- Enter your registration number above - we'll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty from UK Aston Martin DB2 specialists.

Fuel Type

Aston Martin DB2 Engines by Fuel Type

Choose your Aston Martin DB2 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the original 2.6L LB6 to the later 3.0L VB6J Vantage.

All Aston Martin DB2 and DB2/4 variants were powered exclusively by naturally aspirated petrol straight-six engines, with displacements of 2.6L (LB6 series) and 3.0L (VB6 series) across the 1950-1959 production run.

Common Aston Martin DB2 Petrol Engine Families
LB6/49
original 2.6L DB2 engine (105bhp), most common replacement unit
LB6B/50
high-compression 2.6L Vantage engine (125bhp), performance specialist rebuilds
VB6J
refined 3.0L DB2/4 engine (140bhp), improved torque for heavier chassis
DBD
triple-carb 3.0L Vantage engine (165bhp), competition-specification rebuilds
Found In
DB2 Sports Saloon/Drophead/Vantage (1950-1953)
LB6/49, LB6B/50
DB2/4 Sports Saloon/Drophead/MkII/MkIII (1953-1959)
VB6E, VB6J, DBD
Known For
Robust aluminium block construction with wet cylinder liners
Wet liner seal failure leading to coolant ingress in oil sump
Triple SU carburettor setup requiring specialist synchronization
High collector value driving demand for period-correct rebuilt units
Typical Petrol Models
DB2 Sports SaloonDB2 Drophead CoupeDB2 VantageDB2/4 Sports SaloonDB2/4 MkIII Vantage
Compare Aston Martin DB2 Petrol engine prices

Not sure which fuel type your Aston Martin DB2 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 DB2 specialists.

Engine Years

Aston Martin DB2 Engines by YearWhat Was Fitted & When

This section covers all major engine changes across the Aston Martin DB2 and DB2/4 production timeline (1950-1959), organised so owners can quickly identify their LB6 or VB6 engine and compare rebuilt prices from UK specialists.

1950 - 1951 - DB2 Launch: LB6/49 2.6L Standard
Major Engine Change
The original DB2 debuted with the LB6/49 2.6L straight-six, establishing the wet-liner aluminium block architecture that would define the model.
Key Changes
DB2 Sports Saloon and Drophead Coupe enter production at Feltham
LB6/49 engine introduced: 2580cc, 105bhp, triple SU carburettors
Wet cylinder liner design adopted for serviceability and weight savings
Known For
Groundbreaking aluminium construction for a production GT
Early wet liner seal issues on high-mileage examples
Strong collector demand for original, matching-numbers engines
Specialist rebuild knowledge essential for authentic restoration
Main Engines
LB6/49 - 2.6L petrol (DB2 Sports Saloon / Drophead Coupe)
Engine Codes Covered
LB6/49
Popular Models
Aston Martin DB2 Sports Saloon
Aston Martin DB2 Drophead Coupe
Common Replacement Enquiries
DB2 LB6 engine rebuild cost
DB2 wet liner seal failure
DB2 matching numbers engine
Get quotes for 1950-1951 Aston Martin DB2 replacement engines
FAQ

Aston Martin DB2 Engine ReplacementFrequently Asked Questions

How much does it cost to rebuild an Aston Martin DB2 engine-

A full specialist rebuild of an Aston Martin DB2 LB6 or VB6 engine typically costs £8,000-£25,000 depending on specification, with Vantage and concours-grade rebuilds at the upper end.

  • LB6/49 standard rebuilds start around £8,000 for driver-quality specification
  • LB6B/50 Vantage rebuilds range £12,000-£22,000 due to high-compression components
  • VB6J and DBD 3.0L rebuilds command £15,000-£25,000 for period-correct work
  • Matching-numbers or concours-spec rebuilds may exceed £25,000
Compare rebuilt Aston Martin DB2 engine prices from UK specialists

What is the most common engine failure on the Aston Martin DB2-

Wet cylinder liner seal failure is the most frequently reported catastrophic issue, allowing coolant into the oil sump and risking bearing damage if not addressed promptly.

  • Original cork/rubber liner seals degrade with age and heat cycles
  • Coolant contamination of oil accelerates bearing and crankshaft wear
  • Upgraded modern seal materials are recommended during any rebuild
  • Early detection via oil inspection can prevent catastrophic failure
Get quotes for Aston Martin DB2 wet liner seal repair or engine replacement

Can I use a non-original engine code in my Aston Martin DB2-

While LB6 and VB6 engines share architecture, using a non-original code affects matching-numbers status and collector value; period-correct rebuilds are strongly recommended.

  • LB6/49, LB6B/50, VB6E, VB6J and DBD have distinct specifications
  • Concours and investment-grade restorations require matching engine codes
  • Driver-quality cars may accept compatible codes with disclosure
  • Always consult a DB2 specialist before substituting engine families
Enquire about period-correct Aston Martin DB2 engine rebuild options

How long does an Aston Martin DB2 engine rebuild take-

A full specialist rebuild of an LB6 or VB6 engine typically takes 8-16 weeks depending on parts availability, specification complexity and workshop workload.

  • Driver-quality rebuilds may complete in 8-10 weeks
  • Concours or Vantage-spec rebuilds often require 12-16 weeks
  • Rare parts sourcing (e.g., Vantage pistons) can extend timelines
  • Reputable specialists provide regular progress updates
Check Aston Martin DB2 engine rebuild availability and lead times

What warranty comes with a rebuilt Aston Martin DB2 engine-

Reputable UK specialists typically offer a 12-month unlimited mileage warranty on rebuilt LB6/VB6 engines, covering parts and labour for manufacturing defects.

  • Warranty terms vary by specialist; always confirm in writing
  • Coverage typically excludes damage from improper installation or maintenance
  • Some specialists offer extended warranty options for additional cost
  • EngineMarket network suppliers all provide minimum 12-month coverage
Compare warranty terms on Aston Martin DB2 rebuilt engine quotes

Is it worth repairing or replacing a failed Aston Martin DB2 engine-

For DB2s valued £80,000+, a full rebuilt engine is usually the most cost-effective long-term solution versus repeated partial repairs.

  • Partial repairs risk hidden damage from coolant-contaminated oil
  • Rebuilt engines include upgraded components addressing known failure points
  • A warranty on a rebuilt unit provides peace of mind versus spot repairs
  • Preserve collector value with period-correct, matching-numbers rebuilds
Get a tailored Aston Martin DB2 repair vs replace recommendation

Where is the engine number located on an Aston Martin DB2-

The LB6/VB6 engine number is stamped on a plate attached to the left-hand side of the cylinder block, near the distributor drive.

  • Format typically: LB6/49/XXXX or VB6J/XXXX (XXXX = serial)
  • Photograph the plate before engine removal for rebuild reference
  • Cross-check with chassis number for matching-numbers verification
  • Specialists can assist with decoding if the plate is damaged
Verify your Aston Martin DB2 engine code before requesting quotes

Can an Aston Martin DB2 engine run on unleaded fuel-

Original LB6/VB6 engines were designed for leaded fuel; unleaded conversion via hardened valve seats is recommended for modern use.

  • Soft exhaust valve seats wear rapidly on unleaded without conversion
  • Unleaded conversion involves machining and inserting hardened seats
  • Many rebuilt engines now include this upgrade as standard
  • Lead replacement additives are a temporary solution only
Enquire about unleaded conversion during your Aston Martin DB2 engine rebuild

What oil specification should I use in a rebuilt Aston Martin DB2 engine-

Use a high-quality 20W-50 mineral or semi-synthetic oil formulated for classic engines, with ZDDP additives to protect flat-tappet camshafts.

  • Avoid modern low-viscosity oils; they lack film strength for classic bearings
  • ZDDP (zinc) content is critical for camshaft and lifter protection
  • Change oil and filter after the first 500 miles of running-in
  • Follow specialist recommendations for break-in procedure
Get Aston Martin DB2 engine rebuild quotes with running-in guidance

How do I find a trustworthy Aston Martin DB2 engine specialist-

Look for specialists with proven DB2/LB6/VB6 experience, transparent pricing, warranty coverage, and positive owner testimonials.

  • Ask for examples of previous DB2 rebuilds and references
  • Confirm they use upgraded components for known failure points
  • Verify warranty terms and post-rebuild support policies
  • EngineMarket vets all network specialists for expertise and reliability
Compare trusted Aston Martin DB2 engine specialist quotes today

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