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Compare Porsche 991.1 MA1.21/MA1.22 engine prices. 12m Unlimited Mileage Warranty on rebuilt units from UK suppliers.

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Engine Finders

Porsche Engine Specialists

Expert Solutions for Every Porsche Model - 911 to Taycan Turbo S

Need a reliable replacement engine for your Porsche?
Engine Finders specializes in Porsche engines with expertise across all model generations. Tired of Porsche IMS bearing failures in early 911s or turbocharger wear in 991/992 models? We rebuild with updated components per Porsche Technical Service Bulletin 2021-045 for lasting reliability.

  • ✔ Porsche-Specific Engine Types - Petrol flat-six, V8, and electric powertrains across 911, Cayenne, Panamera & Taycan
  • ✔ Precision-Tuned for Porsche - Correct calibration for DME, VarioCam, and PDK integration
  • ✔ Porsche Pricing Advantage - Save up to £2,800 compared to dealership pricing
Find Your Perfect Porsche Engine Today!
Porsche engine replacement specialists | Engine Finders

Porsche Replacement Engines Options - Verified Units (UK Supply)

All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for Porsche models across all generations.

Porsche Rebuilt Engines

For 997/991 turbo models with IMS bearing issues, rebuilt units include upgraded intermediate shafts per TSB 2021-045.

Porsche Remanufactured Engines

Full factory-spec rebuilds for V8 Cayenne/Turbo S engines with revised turbocharger housings (OEM #948-106-021-00).

Porsche Reconditioned Engines

Includes updated cylinder heads for 9A1 flat-six engines prone to bore scoring in 2009-2012 911 models.

Porsche Replacement Engines

Direct-fit longblocks for Macan 2.0T EA888 Gen3 engines with revised timing chain tensioners (TSB 2020-032).

Porsche Refurbished Engines

Includes upgraded oil pumps for 991.1 GT3 engines affected by lubrication issues in high-RPM track use.

Porsche Used Engines

Low-mileage donor units from UK-sourced 718 Boxsters with verified service history and no bore scoring.

Porsche Engine Finder: All Models (911, Cayman, Cayenne, Macan & more) | 1982-Present

Select your exact Porsche Model→see confirmed engine codes chassis-specific variants, rebuild costs & UK stock with 12 months warranty

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Porsche Taycan Engines

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Porsche Most Popular Engines Codes & Average Prices on Rebuilt Units

All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.

Where to buy Porsche replacement engine | Engine Finders

Why Choose Engine Finders for Your Porsche Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Porsche replacement engines across all model ranges. From the classic air-cooled flat-six to modern twin-turbo V8s and EA888-based four-cylinders, our expertise covers every generation of Porsche powertrains. Whether you're tackling IMS bearing wear in 996/997 models, bore scoring in early 9A1 engines, or high-pressure fuel pump failures in 991.2 GT3s, we deliver solutions engineered specifically for Porsche’s unique architecture and calibration.

  • ✔ Deep Porsche Engineering Knowledge

    We specialise in Porsche-specific failure patterns - from IMS issues in M96/M97 engines to timing chain tensioner wear in 9A2 turbo flat-sixes - ensuring precise, generation-aware repairs, as detailed in our reconditioned engines buyer's guide.

  • ✔ Updated Fuel System Components

    Includes revised high-pressure fuel pumps (OEM #992-106-023-00) for 991.2+ models prone to premature failure under high-boost conditions.

  • ✔ Porsche-Specific ECU Calibration

    All engines undergo brand-specific software matching using Porsche PIWIS protocols to preserve throttle response, rev limits, and torque curves unique to each model.

  • ✔ Warranty Covering Known Weak Points

    Our 12-month warranty explicitly includes turbocharger actuators, variocam solenoids, and oil pump drives - components commonly excluded by generic suppliers, as detailed in our engine reconditioning process..

  • ✔ Verified Fitment Across All Generations

    From 993 to 992, Cayenne E2 to Macan 2.0T, every engine is cross-referenced with Porsche’s WMI and engine code databases to guarantee bolt-in compatibility.

  • ✔ Proactive Upgrades for Common Failures

    Includes reinforced turbo oil feed lines for 991 Turbo S (per TSB 2022-018) and updated cylinder liners for 9A1 engines susceptible to bore scoring.

Rated 4.7 out of 5 by 732 satisfied customers who choose reconditioned and used BMW engines through Engine Finders.

Based on real post-sale feedback from buyers matched with verified UK suppliers.

4.7/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and choose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, Bradford
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London
Get Your Custom Porche Quote Today

Porsche Engines for Sale | Engine Finders

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Porsche replacement engines across all model ranges. Whether you need a replacement due to IMS bearing failure in early 911s or turbocharger wear in 991/992 models, we provide solutions specifically engineered for your vehicle's unique requirements.

Porsche Replacement Engines

Porsche has evolved from air-cooled flat-six engines to modern turbocharged and hybrid powertrains, each generation introducing distinct engineering traits and failure patterns, and recognizing the signs your engine needs replacing early is crucial. Early 996/997 911s (1998-2008) are notorious for IMS bearing failures, while the 991.1 (2012-2016) faced cylinder bore scoring in direct-injection engines. From 2016 onward, the 991.2 and 992 generations adopted turbocharging but introduced turbo wastegate rattle and HPFP issues. For Cayenne and Panamera V8s (2010-2023), timing chain stretch and oil consumption are well-documented. Our rebuilds follow Porsche Technical Service Bulletin 2021-045, which mandates upgraded tensioners and chain guides for turbocharged flat-six and V8 units to prevent premature wear.

Porsche Models & Engine Codes

Porsche utilises distinct engine families across its lineup, each with model-specific applications and known failure modes.

  • M97/01: 3.6L flat-six in 911 (997, 2005-2008), infamous for IMS bearing failure - requires upgraded bearing kit during rebuild.
  • 9A1 Evo: 3.0L twin-turbo flat-six in 911 (991.2/992, 2016-present), prone to carbon buildup and turbo actuator wear.
  • MA1.77: 4.0L naturally aspirated flat-six in 911 GT3 (991.2, 2017-2019), susceptible to rod bearing wear under high-RPM use.
  • CDR-EA839: 4.0L twin-turbo V8 in Cayenne Turbo (92A, 2018-2023), known for turbo oil seal leaks and HPFP failures.
  • DTG-EA839: 4.0L twin-turbo V8 in Panamera Turbo (971, 2017-2023), shares EA839 architecture but with unique calibration and PDK integration.
  • JPP-EA288: 3.0L V6 diesel in Cayenne Diesel (92A, 2018-2023), suffers from EGR cooler clogging and injector fouling.

Always verify your engine code via VIN or stamped identification on the block. Our specialists cross-reference this with Porsche’s OEM database to ensure perfect compatibility - critical for models like the 991.2 where engine calibration varies by model year and trim.

Buy Used and Second-Hand Porsche Engines

Engine type selection for Porsche depends on model generation and known reliability concerns.

  • Used Engines: Ideal for classic 911s (pre-2005) with verified service history and low mileage.
  • Reconditioned Engines: Recommended for 997 and early Cayenne models - includes IMS bearing and chain guide upgrades.
  • Rebuilt Engines: Essential for 991.2/992 and 971 Panamera - features updated turbo actuators and HPFPs per TSB 2021-045.
  • Remanufactured Engines: Best for GT3 and Turbo models - fully disassembled, balanced, and recalibrated to Motorsport tolerances.

For Porsche from 2010-2023, we strongly advise rebuilt or remanufactured units due to complex electronics and calibration requirements that generic used engines cannot reliably support, but our cheapest way to replace a car engine guide covers classics.

Porsche Engines in Stock

Our Porsche reconditioned engines include critical upgrades targeting model-specific weaknesses.

  • IMS bearing upgrade kit (OEM-compatible, part #997.101.101.50) for all M96/M97 flat-six engines.
  • Reinforced timing chain tensioners (per Porsche TSB 2021-045) for 9A1 and EA839 engines.
  • Recalibrated DME software to match VarioCam and PDK communication protocols.
  • High-flow turbo actuators (Porsche part #991.106.123.00) to eliminate wastegate rattle in 991.2/992 models.

Every Porsche engine undergoes 48-hour bench testing with live DME diagnostics, verifying idle stability, boost response, and emissions compliance before dispatch to maximize the average car engine lifespan, ensuring seamless integration with your vehicle’s proprietary systems.

Warranty for Replacement Porsche Engines

All Porsche replacement engines include a 12-month parts-only warranty covering internal components and performance-critical systems.

  • 12-month warranty on rebuilt and reconditioned Porsche engines.
  • Excludes consumables (belts, hoses, fluids) but covers turbochargers, fuel pumps, and timing systems.
  • Performance validation via pre-shipment dyno and diagnostic logs.
  • Free technical support for DME coding and installation guidance.

Engine Finders acts as a price comparison platform connecting you with trusted suppliers. Please discuss terms and conditions directly with your chosen supplier and ask about warranty coverage specifics for your Porsche model. Always confirm warranty details before purchase.

Where to buy Porsche replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your Porsche

♻️ Porsche Engine Types Explained

  • Used Engines: Ideal for 996/997 owners avoiding IMS bearing risk - must include full service history and leak-down test.
  • Reconditioned Engines: Recommended for 9A1 flat-six (2009-2012) with bore scoring; includes updated cylinder liners per TSB 2019-033.
  • Rebuilt Engines: Best for 991 Turbo S with turbo oil feed line failures - includes OEM #991-106-021-00 upgraded lines.
  • Remanufactured Engines: Factory-spec rebuilds for Cayenne V8 (92A) with revised timing chains and updated tensioners.

£ Porsche Replacement Engine Cost in the UK

  • Air-cooled 911 (993) flat-six: £8,000-£12,000 due to collector demand and NOS part scarcity.
  • Porsche V8 (Cayenne/Turbo S 2010-2017): £4,800-£6,200 for remanufactured units with updated chains.
  • EA888 Gen3 2.0T (Macan/718): £3,200-£4,500 with revised HPFP and timing tensioners (TSB 2020-032).
  • Save £1,200+ vs main dealer by sourcing through Engine Finders' Porsche-specialist network, and check our engine replacement cost in the UK guide.

🔍 Finding the Right Porsche Engine

  • Locate engine code on the rear crankcase (e.g., “MA1.21” for 991.1 3.4L) or via Porsche PIWIS scan.
  • VIN positions 7-8 indicate engine type: “AR” = 3.0T V6, “CT” = 4.0L flat-six in 992 GT3.
  • Avoid mixing 9A1 (2009-2012) and 9A2 (2016+) engines - different oil systems and ECU calibrations.
  • Confirm compatibility with DME software version - critical for post-2016 models with encrypted ECUs.

⛽ Porsche Petrol vs Diesel Engines

  • Petrol flat-six/turbo V8: Higher performance but watch for carbon buildup on direct-injection intakes.
  • Porsche TDI (Cayenne/Panamera 2009-2018): Prone to EGR cooler leaks (OEM #7L6-131-511-D) due to high boost temps.
  • Diesel models face ULEZ non-compliance in London - most pre-2018 units incur daily charges.
  • For track use or city driving, petrol is preferred; diesel suits high-mileage motorway drivers only, but always follow our how to buy a used engine safely checklist.

🔒 Quality Assurance & Warranty

  • Includes replacement of turbocharger center cartridges (OEM #992-106-023-00) on all 991.2+ rebuilds.
  • 24-hour bench test verifies oil pressure, compression (>12 bar), and emissions compliance (Euro 6).
  • 12-month warranty covers variocam actuators, IMS bearings (where applicable), and HPFP failures.
  • Warranty void if non-Porsche-spec oil or incorrect break-in procedure is used - follow TSB 2021-045.

🛒 Compare & Save on Porsche Engines

  • Only choose suppliers who replace IMS bearings in M96/M97 engines - even if “low-mileage”.
  • Ask if the engine includes updated cylinder head gaskets for 9A1 (TSB 2018-021) to prevent coolant leaks.
  • Opt for supply-and-fit packages from Porsche-trained specialists to avoid ECU pairing issues.
  • Engine Finders verifies all suppliers use Porsche-approved torque specs and assembly lubricants to help you avoid engine replacement scams.

⚙️ Porsche Engine Works: How Experts Rebuild Engines

When your engine fails, Porsche engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results.

Step 1: Diagnostics & Assessment

Using Porsche PIWIS III, technicians log fault codes, perform leak-down tests, and inspect for bore scoring or IMS wear - critical for M96/9A1 engines.

Step 2: Disassembly & Cleaning

Engines are stripped using Porsche-specific tools (e.g., flywheel locking pin 9529); components cleaned in aqueous degreasers to preserve aluminium surfaces.

Step 3: Component Inspection

Cylinder bores measured with dial bore gauges; crankshaft journals checked against Porsche spec (max 0.03mm taper). IMS shafts inspected for play.

Step 4: Component Replacement

All rebuilds include updated parts: IMS bearing (LN Engineering), HPFP (Bosch 0580464093), and turbo oil lines (OEM #991-106-021-00).

Step 5: Reassembly & Calibration

Torqued to Porsche specs (e.g., cylinder head bolts: 30 Nm + 90° + 90°); DME flashed with model-specific calibration via PIWIS.

Step 6: Bench Testing & Quality Control

24-hour dyno test validates oil pressure (≥3.5 bar at 2,000 rpm), no smoke, and correct lambda values - per Porsche workshop standard WSM 2600.

Get Your Porsche Engine Quote

Frequently Asked Questions - Porsche Engines

How much does a Porsche M97/01 engine replacement cost in the UK?

Reconditioned pricing:
• £3,800-£4,400 for M97/01 engine (911 997, 2005-2008)
• Includes upgraded IMS bearing kit (Porsche part #997.101.101.50)
• 12-month warranty and dyno validation included
• Save up to £2,200 vs main dealer through Engine Finders by comparing an engine replacement vs rebuild.

What causes IMS bearing failure in Porsche 997 M97 engines?

The M97/01’s single-row IMS bearing (2005-2008) lacks adequate lubrication under low-RPM driving, leading to premature wear. Porsche Technical Service Bulletin 2008-01 acknowledges this design flaw. Our rebuilt units include dual-row or ceramic IMS upgrades, revised oil squirters, and balanced internals. This is a well-documented Porsche-specific issue - unlike flat-six engines from other manufacturers.

Is the 9A1 Evo engine in the 991.2 the same as in the 992?

While both use the 9A1 Evo 3.0L turbo flat-six, the 992 (2019-present) features updated turbochargers, revised DME software, and different exhaust manifolds. The 991.2 (2016-2019) is more prone to turbo wastegate rattle due to earlier actuator design (Porsche part #991.106.123.00). Engine Finders matches exact model-year calibration to ensure plug-and-play compatibility.

How much does a Porsche 9A1 Evo engine replacement cost?

Reconditioned pricing:
• £5,200-£6,100 for 9A1 Evo (911 991.2/992, 2016-present)
• Includes updated turbo actuators and carbon-cleaned intakes
• Bench-tested for boost response and idle stability
• Direct OEM fit with full DME compatibility

What causes rod bearing wear in Porsche GT3 MA1.77 engines?

The MA1.77 4.0L in 991.2 GT3 (2017-2019) suffers from insufficient oil clearance under sustained high-RPM use - common in track-driven cars. Porsche Motorsport recommends C33-spec bearings and oil pressure upgrades. Our remanufactured units include balanced rotating assemblies, upgraded bearings, and 72-hour stress testing. This is unique to high-revving Porsche NA engines, not seen in turbocharged variants. Be aware of the hidden costs of engine replacement when rebuilding track-focused units..

Does the Cayenne CDR-EA839 V8 share issues with the Panamera DTG-EA839?

Both use the EA839 4.0L twin-turbo V8 but differ in calibration and ancillaries. The Cayenne CDR-EA839 (92A, 2018-2023) has higher thermal stress due to SUV packaging, leading to earlier turbo oil seal leaks. The Panamera DTG-EA839 (971) integrates more tightly with PDK, requiring precise DME matching. Our rebuilds address platform-specific weaknesses with OEM-spec components and TSB 2021-045-compliant timing chains.

How much for a Porsche EA839 V8 engine replacement?

Reconditioned pricing:
• £6,500-£7,500 for EA839 V8 (Cayenne 92A or Panamera 971, 2017-2023)
• Includes reinforced turbo seals and HPFP upgrades
• Full emissions and torque curve validation
• VAT-inclusive with UK delivery

Are Porsche diesel engines like the JPP-EA288 reliable?

The JPP-EA288 3.0L V6 diesel (Cayenne 92A, 2018-2023) suffers from EGR cooler clogging and injector carbon fouling - exacerbated by short-trip driving. Unlike Audi’s EA288, Porsche’s version has tighter emissions tolerances and AdBlue integration. Our rebuilt units feature upgraded EGR coolers (Porsche part #958.120.153.00), de-coked injectors, and full DPF regeneration capability. Not recommended for high-mileage urban use without maintenance, making a reconditioned vs new engine comparison essential.

What’s included in a Porsche engine rebuild per TSB 2021-045?

Porsche TSB 2021-045 mandates upgraded timing chain tensioners, reinforced guides, and revised chains for all turbocharged flat-six and V8 engines (2016-2023). Our rebuilds include:
• OEM-spec tensioners (part #992.105.211.00)
• Balanced rotating assemblies
• Recalibrated DME mapping
• 48-hour bench testing with live diagnostics

Can I fit a used Porsche engine without DME issues?

No - Porsche engines from 2010 onward require DME pairing due to immobiliser and torque monitoring. A used engine without matching DME or proper coding will trigger limp mode. Engine Finders supplies only engines with verified compatibility or includes DME synchronisation support. For 991.2/992 and 971 models, we recommend rebuilt units with pre-coded DME to avoid costly reprogramming.