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Rolls Royce Phantom N73B68 V12 Specialist Engine ReplacementCompare Quotes

Get specialist quotes from UK Rolls Royce Phantom engine experts. Compare reconditioned & rebuilt N73B68 V12 engines for Phantom to Extended Wheelbase. Get specialist quotes for your Phantom.

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Rolls Royce Phantom N73B68 engine - 6.75L V12 petrol rebuilt reconditioned UK
Phantom VII N73B68 Engines- from £14,000 to £15,500

Rebuilt units from £14,000

Common codes: N73B68, N73B68A, N73B68B, N73B675

Rolls Royce Phantom N74B66 engine - 6.6L twin-turbo V12 rebuilt reconditioned UK
Phantom VII/VIII N74B66 Engines- from £18,000 to £19,500

Rebuilt units from £18,000

Common codes: N74B66, N74B66A, N74B66B, N74B66TU

Rolls Royce Phantom N74B68 engine - 6.75L twin-turbo V12 rebuilt reconditioned UK specialist
Phantom VIII N74B68 Engines- from £19,000 to £21,000

Rebuilt units from £19,000

Common codes: N74B68, N74B68A, N74B68B

Rolls Royce Phantom engine replacement UK - compare reconditioned and rebuilt engine prices
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3 Simple Stepsto Finding the Best Rolls Royce Phantom Replacement Engine

12-Month Warranty
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Most replacements completed within 3-5 days.

Engine Intelligence

Rolls Royce Phantom Engines - Codes, Common Failures & Replacement Costs

The cards below cover the three V12 petrol engines fitted to the Rolls Royce Phantom in the UK, including documented failure causes, variant production years, and typical rebuilt engine costs based on current UK market data. All pricing reflects supply-only rebuilt units from specialist UK rebuilders.

Rolls Royce Phantom engine intelligence reference

N73B68

Production History

  • Phantom VII Standard Wheelbase (RR1) - 2003-2017
  • Phantom VII Extended Wheelbase (RR1) - 2005-2017
  • Phantom Drophead Coupé (RR3) - 2007-2016
  • Phantom Coupé (RR4) - 2008-2016

Known Failures

  • Valve stem seal wear - oil consumption increases after 60k miles on high-mileage units.
  • Timing chain guide degradation - plastic guides wear causing rattle, typically 70k-100k miles.
  • VANOS solenoid drift - variable valve timing faults causing rough idle or misfires.

Specs

Petrol · 6.75L · 453-460hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £14,000-£15,500 (supply only)

N74B66

Production History

  • Phantom VII Series II Standard Wheelbase (RR2) - 2012-2017
  • Phantom VII Series II Extended Wheelbase (RR2) - 2012-2017
  • Phantom VIII Standard Wheelbase (RR2) - 2017-2025

Known Failures

  • Turbo wastegate actuator fatigue - rattle or boost loss, typically 50k-80k miles.
  • Oil feed line coking - heat degradation causing turbo oil leaks on sustained load.
  • Electronic water pump controller failure - cooling system faults triggering limp mode.

Specs

Petrol · 6.6L · 563-571hp · Twin-Turbocharged

Replacement Cost

Typical UK rebuilt engine: £18,000-£19,500 (supply only)

N74B68

Production History

  • Phantom VIII Extended Wheelbase (RR2) - 2018-2025
  • Phantom VIII Series II Extended Wheelbase (RR2) - 2023-2025

Known Failures

  • Direct injection HPFP wear - high-pressure pump degradation causing misfires after 60k miles.
  • Otto particle filter saturation - emissions compliance issues on urban-driven examples.
  • Valvetronic III recalibration drift - stop-start system faults requiring software update.

Specs

Petrol · 6.75L · 563-571hp · Twin-Turbocharged

Replacement Cost

Typical UK rebuilt engine: £19,000-£21,000 (supply only) Estimated from comparable N74 units - actual quotes may vary.

Customer Reviews

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Variants We Cover

Rolls Royce Phantom Engine ReplacementAll Variants Covered

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

Engine Codes

Rolls Royce Phantom Engine Codes

Every engine code fitted to the Rolls Royce Phantom 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 Rolls Royce Phantom variants.

Can't find your 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 Rolls Royce Phantom engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

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Common Problems

Rolls Royce Phantom 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 Rolls Royce Phantom 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

Rolls Royce Phantom Replacement Engine Types

Every Phantom engine type is available through our UK specialist network with typical price ranges based on variant, engine code and budget-from N73B68 naturally aspirated to N74B68 twin-turbo V12 units.

Rolls Royce Phantom Refurbished EnginesCosmetic and mechanical refresh addressing common Phantom V12 wear items; suitable for pre-sale preparation or moderate-mileage units.
Typical Price
£12,500 - £17,000
(supply only)
View refurbished Rolls Royce Phantom engine options
Refurbished

Refurbished Phantom engines receive cosmetic restoration plus targeted mechanical updates like valve cover gaskets, ancillary drives and fluid seals.

  • Includes new external seals, gaskets and ancillary components per service schedule
  • Compression and leak-down tested to verify internal condition pre-delivery
  • 6-12 month warranty covering refurbished components; ideal for moderate-mileage Phantoms
Typical Price
£12,500 - £17,000
(supply only)
View refurbished Rolls Royce Phantom 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 Rolls Royce Phantom within hours.

Engine Sizes

Rolls Royce Phantom Engines by SizeFind the Right Displacement for Your Variant

Every displacement fitted to the Rolls Royce Phantom across UK generations is listed below, with compatible engine codes, production years and common failure notes to help identify your exact replacement requirements.

The 6.6L twin-turbo V12 (N74B66) powered Phantom VII Series II and early Phantom VIII models, delivering refined boost-assisted torque while meeting stricter emissions standards than the naturally aspirated N73. This displacement represents the transition to forced induction within the Phantom lineage, maintaining signature silence through bespoke turbocharger mounting and exhaust isolation.

ENGINE CODE(S)N74B66, N74B66A, N74B66B, N74B66TU
COMPATIBLE MODELS (UK)Phantom VII Series II SWB/EWB (2012-2017), Phantom VIII SWB (2017-2020), Black Badge
PRODUCTION YEARS2019-2025
Common Failure Points

Turbo wastegate actuator fatigue at 50k-80k miles; oil feed line coking from heat soak

Compare Rolls Royce Phantom 6.6L petrol engine prices

Not sure which engine size your Rolls Royce Phantom 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 Rolls Royce Phantom specialists.

Fuel Type

Rolls Royce Phantom Engines by Fuel Type

Choose your Rolls Royce Phantom engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early N73B68 naturally aspirated V12 to the latest N74B68 twin-turbo units.

All Rolls Royce Phantom models exclusively use V12 petrol engines-no diesel, hybrid or electric variants were ever offered in the UK market across Phantom VII (2003-2017) or Phantom VIII (2017-present) generations.

Common Rolls Royce Phantom Petrol Engine Families
N73B68
Naturally aspirated 6.75L V12 (Phantom VII), valve stem seal wear common at high mileage
N74B66
Twin-turbo 6.6L V12 (Phantom VII Series II/VIII), turbo wastegate actuator fatigue documented
N74B68
Twin-turbo 6.75L V12 (Phantom VIII EWB), HPFP wear and OPF saturation on urban examples
Found In
Phantom VII RR1 chassis (2003-2017)
N73B68 family naturally aspirated V12
Phantom VIII RR2 chassis (2017-present)
N74B66/N74B68 twin-turbo V12
Known For
Signature near-silent operation through bespoke mounting and exhaust isolation
N73 timing chain guide wear requiring preventative replacement at 70k-100k miles
N74 turbo system maintenance critical for longevity under Phantom's substantial weight
High UK replacement demand driven by proactive owners seeking warranty-backed rebuilt units
Typical Petrol Models
Phantom Standard WheelbasePhantom Extended WheelbasePhantom Drophead CoupéPhantom CoupéPhantom Black BadgePhantom Zenith Edition
Compare Rolls Royce Phantom Petrol engine prices

Not sure which fuel type your Rolls Royce Phantom 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 Rolls Royce Phantom specialists.

Engine Years

Rolls Royce Phantom Engines by YearWhat Was Fitted & When

This section covers all major engine changes across the Rolls Royce Phantom's production timeline (2003-present), organised so owners can quickly identify their engine code and compare rebuilt engine prices from UK specialists.

2003 - 2008 - Phantom VII Series I Launch
Major Engine Change
The inaugural Phantom VII introduced the naturally aspirated N73B68 6.75L V12, establishing the benchmark for ultra-luxury refinement with effortless torque delivery.
Key Changes
Launch of Phantom VII (RR1 chassis) with all-aluminium spaceframe construction
Introduction of N73B68 naturally aspirated V12 with VANOS variable valve timing
Coach door design with hydraulic closure and umbrella compartments integrated
Spirit of Ecstasy auto-retraction mechanism for pedestrian safety compliance
Known For
Defining modern Rolls-Royce design language with upright grille and set-back cabin
N73B68 valve stem seal wear evident by 50k miles on high-mileage examples
Timing chain guide material prone to degradation requiring preventative attention
Strong residual values driven by bespoke commissioning and low production volumes
Main Engines
N73B68 - 6.75L petrol (Standard Wheelbase, early Extended Wheelbase)
N73B68A - 6.75L petrol (early production calibration variant)
Engine Codes Covered
N73B68N73B68A
Popular Models
Rolls Royce Phantom Standard Wheelbase
Rolls Royce Phantom Extended Wheelbase (2005+)
Common Replacement Enquiries
Rolls Royce Phantom N73B68 engine replacement
Phantom VII timing chain rattle fix
Phantom oil consumption blue smoke repair
Get quotes for 2003 Rolls Royce Phantom replacement engines
FAQ

Rolls Royce Phantom Engine ReplacementFrequently Asked Questions

How much does a Rolls Royce Phantom engine replacement cost in the UK-

Rebuilt Rolls Royce Phantom engines typically cost £14,000-£21,000 supply-only depending on engine code, with N73B68 units at the lower end and N74B68 twin-turbo at the premium end. Supply & fit adds £2,500-£4,500 depending on location and variant complexity.

  • N73B68 naturally aspirated rebuilt: £14,000-£15,500 supply-only
  • N74B66/N74B68 twin-turbo rebuilt: £18,000-£21,000 supply-only
  • Supply & fit installation adds £2,500-£4,500 to engine price
  • All rebuilt units include 12-month unlimited mileage warranty from UK specialists
Compare rebuilt Rolls Royce Phantom engine prices from vetted UK specialists

What engine codes fit my Rolls Royce Phantom-

Phantom VII (2003-2017) uses N73B68 family naturally aspirated V12 codes; Phantom VIII (2017-present) uses N74B66/N74B68 twin-turbo V12 codes. Exact fitment depends on chassis code (RR1/RR2), body style and production year.

  • Phantom VII RR1: N73B68, N73B68A, N73B68B, N73B675 (6.75L NA V12)
  • Phantom VII Series II/Phantom VIII RR2: N74B66, N74B68 (6.6L/6.75L twin-turbo V12)
  • Black Badge/Zenith: N74B66TU high-output calibration variant
  • Enter registration above for instant DVLA-verified engine code matching
Verify your Rolls Royce Phantom engine code compatibility instantly

How long does a Phantom engine replacement take in the UK-

Typical turnaround is 3-5 working days for rebuilt engine supply, plus 2-3 days for specialist installation if choosing supply & fit. Expedited 48-hour delivery available for urgent requirements on common N73B68 units.

  • Rebuilt engine build time: 3-5 working days from order confirmation
  • Nationwide delivery: 1-2 working days via specialist pallet transport
  • Specialist installation: 2-3 working days at vetted UK fitment centres
  • Total project time: 5-10 working days from quote acceptance to road-ready
Get your Rolls Royce Phantom engine replacement timeline quote today

Is a reconditioned Phantom engine reliable-

Yes-when reconditioned by Phantom specialists using updated components addressing known failure points like N73 valve seals or N74 turbo actuators, with bench testing and 12-month warranty coverage.

  • Reconditioned units replace wear items per Rolls-Royce service bulletins
  • Bench-tested to factory idle stability and compression specifications
  • 12-month unlimited mileage warranty on all reconditioned components
  • Source only from specialists with Phantom-specific rebuild experience
Find reconditioned Rolls Royce Phantom engines with specialist warranty coverage

Can I use a used Phantom engine from salvage-

Yes-if sourced from verified low-mileage UK chauffeur fleets with full service history, compression-tested and borescope-inspected pre-purchase to confirm internal condition.

  • Used Phantom engines: £4,200-£8,200 depending on mileage and condition
  • Require pre-purchase compression test and borescope inspection report
  • Limited 3-6 month warranty typical; ideal for short-term ownership or resale prep
  • Verify donor vehicle had no accident, flood or fire damage history
Check verified used Rolls Royce Phantom engine availability with inspection reports

What causes Phantom V12 timing chain failure-

N73B68 timing chain failure stems from plastic guide degradation due to heat cycling and oil contamination, causing chain slack, audible rattle and potential valve damage if ignored.

  • Plastic timing chain guides degrade at 70k-100k miles on N73B68 engines
  • Audible rattle at idle is the primary early warning symptom
  • Preventative replacement with metal-reinforced guides recommended at 60k miles
  • Rebuilt engines include upgraded guides addressing the root cause
Compare rebuilt N73B68 engines with upgraded timing components for your Phantom

Why does my Phantom engine consume excessive oil-

Excessive oil consumption in N73B68 Phantom engines typically results from valve stem seal hardening and cracking, allowing oil to seep into combustion chambers causing blue smoke on startup.

  • Valve stem seals harden from heat cycles, evident by 50k-80k miles
  • Blue smoke on cold startup is the primary diagnostic indicator
  • Seal replacement viable if cylinder bores show minimal wear
  • Rebuilt engines include revised seal material and piston ring upgrades
Find Rolls Royce Phantom engines with updated valve stem seals and rings

Are Phantom VII and VIII engines interchangeable-

No-Phantom VII (RR1) N73 engines and Phantom VIII (RR2) N74 engines differ in mounting points, ECU calibration, ancillary routing and exhaust configuration, preventing direct interchangeability.

  • RR1 chassis uses N73B68 family; RR2 chassis uses N74B66/N74B68 family
  • Different engine mounts, wiring harness pinouts and exhaust manifold routing
  • ECU software calibration unique to each generation and variant
  • Cross-generation swaps require extensive re-engineering and are not recommended
Verify your Rolls Royce Phantom chassis code for exact engine compatibility

Does EngineMarket supply Phantom engines nationwide UK-

Yes-EngineMarket connects you with vetted UK Phantom specialists offering nationwide delivery and supply & fit installation at accredited centres across England, Scotland and Wales.

  • Nationwide pallet delivery with lift-gate service to your location
  • Supply & fit available at specialist centres in London, Manchester, Birmingham and more
  • Pre-shipment compression and leak-down reports provided for transparency
  • Single-point warranty coverage for engine and installation when choosing supply & fit
Find Rolls Royce Phantom engine supply & fit specialists near your location

What warranty comes with a Phantom replacement engine-

All rebuilt and reconditioned Phantom engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty covering internal components, turbochargers and ancillaries against mechanical failure.

  • 12-month unlimited mileage warranty standard on rebuilt/reconditioned units
  • Covers timing components, oil pump, fuel system and turbochargers
  • Excludes damage from improper installation or pre-existing vehicle faults
  • Always confirm exact warranty terms with your chosen supplier before purchase
Compare Rolls Royce Phantom engine warranty terms from UK specialists

Why Choose Us

Why UK Rolls Royce Phantom Owners Trust EngineMarket

Join thousands of UK drivers who compare Rolls Royce Phantom engine prices through our network of trusted specialists - every rebuilt and reconditioned unit backed by a minimum 12-month unlimited mileage warranty and nationwide delivery.

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