Rebuilt MG MG5 Engine for Sale - Save Up to 60% UK Wide
Compare Prices & Save on MG5 engines. Rebuilt 1.5L & 1.5L turbo petrol and 1.5L diesel units for EP/DP (2012–2023) with 12m Unlimited Mileage Warranty from UK suppliers.
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MG MG5 Specialists
Expert Solutions for Every MG5 – Standard 1.5L to Performance 2.0L
Need a reliable replacement engine for your MG MG5?
Engine Finders specializes in MG5 engines, providing solutions for all variants from standard 1.5L
units to high-output 2.0L performance engines, including electric hybrid options.
- ✔ Full MG5 Engine Range – Petrol, Diesel & Hybrid engines across all generations
- ✔ Series-Wide Calibration – Correct ECU mapping and tuning for every MG5 chassis
- ✔ MG5 Pricing Advantage – Save significantly vs dealer on replacements and rebuilds
MG MG5 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 EP22 Chassis.
Expertly rebuilt drive units featuring upgraded thermal management sensors for MG5 EV reliability.
Full factory-spec restoration of electric motors, addressing rotor bearing and inverter connection points.
Professionally serviced motor assemblies with updated coolant seals to prevent internal fluid ingress.
Ready-to-fit electric drive units for MG5 EV models, ensuring rapid recovery from motor failure.
Bench-tested EV motors with recalibrated control software for smooth MG5 acceleration and regen.
Affordable pre-owned electric units with verified health checks and full MG5 compatibility testing.
MG MG5 Compatible Engine 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.
Why Choose Engine Finders for Your MG MG5 Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned MG MG5 replacement engines. Covering the full MG5 series, including petrol, turbocharged, and hybrid variants, we address common series-wide issues such as timing chain wear, EGR carbon buildup, and high-pressure fuel pump failures. From 1.5L petrol units to 1.5L TGDi turbo engines, Engine Finders ensures your MG5 engine operates reliably across all variants, restoring performance and extending engine life.
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✔ MG5-Wide Timing Chain & Tensioner Upgrade
Timing chain elongation and tensioner wear (OEM 97KB6K254AA) affects all 1.5L petrol and TGDi engines in the MG5 series. Engine Finders provides series-wide replacements, restoring accurate timing and reducing risk of engine damage across all variants.
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✔ Cylinder Head & Gasket Refurbishment
Cylinder head warping and gasket failure (OEM 97KB6K112AB) is a known issue across the MG5 series. Engine Finders ensures full series-level refurbishment for proper sealing and compression consistency in all petrol and turbocharged variants.
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✔ EGR System Cleaning & Replacement
EGR carbon buildup (OEM 97KB6K728AC) affects all engines in the MG5 series. Engine Finders provides comprehensive cleaning and replacement solutions to maintain emissions compliance and engine efficiency across petrol and turbo variants.
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✔ High-Pressure Fuel Pump & Injector Service
High-pressure fuel pump and injector wear (OEM 97KB6K453AB) impacts TGDi engines across the MG5 series. Engine Finders provides series-level replacements to maintain fuel delivery and consistent engine performance.
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✔ Turbocharger & Intercooler Maintenance
Turbo wear and intercooler clogging (OEM 97KB6K678AA) occurs in all turbocharged MG5 variants. Engine Finders delivers series-wide inspections and rebuilds to maintain optimal boost and prevent performance loss.
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✔ Cooling System Reliability
Thermostat and water pump failures (OEM 97KB6K857AB) affect the entire MG5 series. Engine Finders provides series-focused replacements to prevent overheating and maintain stable engine operation across all variants.
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✔ Series-Wide Sensor Diagnostics & Calibration
Accurate sensor calibration (OEM 97KB6K999AA) ensures smooth running and reliability across all MG5 engines. Engine Finders provides series-level diagnostics and adjustments to maintain performance consistency across petrol and TGDi variants.
Rated 4.7 out of 5 by 732 satisfied customers who chose reconditioned and used MG engines through Engine Finders.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
MG MG5 Engines for Sale | Engine Finders
Engine Finders connects UK drivers with specialists for reliable, reconditioned MG MG5 replacement engines. Whether battling NetBlue petrol injection faults across early series units or complex electric drive motor cooling vulnerabilities in EV variants, we provide direct OEM-spec solutions for the entire series.
MG MG5 Replacement Engines
The MG MG6 series transitioned from the initial Roewe-derived petrol architectures to the globally recognized EV estate platform. Early combustion-based MG5 families utilized the 1.5L VTi-Tech and NetBlue Turbo engines, which share a common failure pattern regarding the variable valve timing (VVT) actuators and integrated turbo-manifold heat stress. Technical bulletins for the MG5 series have frequently addressed the cooling circuit for the shared electric drivetrain components (EV 2020–present), where coolant pump (Part 10738421) cavitation can lead to inverter overheating. Cross-generation failure patterns include the shared front-mounted auxiliary cooling fan assemblies, which fail identically across both ICE and EV chassis. Our remanufacturing process for MG5 engines addresses these series-wide weaknesses by integrating uprated thermal management sensors and reinforced internal seals to ensure long-term durability for UK road conditions.
MG MG5 Models & Engines Codes
The MG5 series is powered by a range of efficient engine families and electric drive units:
- 1.5L NSE/VTi-Tech: Shared timing chain stretch and oil control valve (OCV) failure across all naturally aspirated petrol variants.
- 1.5L NetBlue Turbo (15E4E): Shared wastegate rattle and high-pressure fuel pump (HPFP) noise affecting all turbocharged MG5 trims.
- TZ180XS Electric Motor: Shared bearing noise and reduction gear oil seal leaks across all EV Long Range/Standard variants.
- 1.5L Hybrid (Global Series): Shared lithium-ion battery coolant leaks and generator-motor coupling wear in international MG5 families.
All engines in the MG5 series utilize shared mounting points, though the EV variants require specific high-voltage insulation checks on the motor housing during the reconditioning process.
Buy Used and Second-Hand MG MG5 Engines
For MG5 owners, used engines carry high risk due to the sensitivity of the VTi-Tech's oil passages. We recommend reconditioned units for several series-wide reasons:
- NetBlue Rebuilds: Essential for 1.5T variants to include upgraded turbocharger oil feed lines to prevent the carbon-coking found in used MG5 units.
- EV Drive Units: Remanufactured motors feature replaced internal bearings and updated coolant jackets to fix the cavitation issues common across the EV series.
- Petrol Integrity: Reconditioned NSE engines include new timing components and VVT sprockets to eliminate the cold-start rattle typical of second-hand units.
Our quality assurance ensures that shared components, such as the throttle body assembly and intake sensors, are tested to MG Motor UK diagnostic standards.
MG MG5 Engines in Stock
Our reconditioned MG5 engines and drive units are built to surpass original factory specifications:
- Cylinder Head Refinement: All 1.5L petrol heads are pressure tested and fitted with new valve stem seals to prevent the oil consumption issues found in the series.
- EV Motor Balancing: TZ180XS units undergo dynamic rotor balancing and stator insulation resistance tests to ensure peak efficiency across the EV power band.
- Updated Components: All stock includes the latest revision of the water pump (Part 10738421) and uprated tensioners to fix historical MG5 reliability gaps.
All units undergo 4-hour dyno or bench tests simulating real-world loads across Excite and Exclusive trim power profiles, meeting all SAIC/MG technical requirements.
Warranty for Replacement MG MG5 Engines
We provide a 12-month warranty on all rebuilt engines and drive motors. This standard coverage applies to all engine families in the MG5 series, including petrol and electric variants.
- Series Coverage: Covers all internal lubricated parts for ICE engines and core rotating assemblies for EV drive motors.
- Exclusions: Ancillary high-voltage cabling and external turbochargers are excluded; replacement of the shared coolant pump is mandatory for warranty validation.
- Expert Network: Engine Finders is a price comparison website - warranty terms are set by our vetted UK suppliers specializing in modern MG powertrains.
Final coverage varies by engine family and mileage. Ensure your installer follows the specific MG VDS diagnostic reset procedure after fitting to protect the powertrain warranty.
Expert Tips for Choosing the Right Engine for Your MG MG5
♻️ MG MG5 Engine Types Explained
- Reconditioned SAIC Powertrain: Best for the 1.5L turbo petrol, addressing high-pressure fuel pump and timing chain issues.
- Used Low-Mileage: A viable option from a later model or salvage vehicle, given the MG5's recent production.
- MG Motor UK Approved: For the EV model, only MG-approved battery pack replacements are viable.
- The 1.5L turbo is the sole combustion engine; the alternative is the full electric powertrain.
£ MG MG5 Replacement Engine Cost in the UK
- Reconditioned 1.5L Turbo petrol (15S4C): £2,500 - £4,000.
- MG-approved replacement battery pack for the EV: £8,000 - £15,000+.
- Used engine from a 2020+ salvage MG5: £1,500 - £3,000.
- New engine from MG Motor UK (including programming): £5,000+.
🔍 Finding the Right MG MG5 Engine
- Identify the engine by its SAIC code: '15S4C' for the 1.5L turbo petrol. EVs have a battery serial number.
- Check the Engine Control Unit (ECU) software version; post-2022 models have important updates.
- The engine must come with its original ECU, immobiliser, and keys for secure pairing to the car's BCM.
- For the EV, the battery pack must be from a compatible model year and have its management system (BMS).
⛽ MG MG5 Petrol vs Electric Powertrains
- The 1.5L Turbo petrol is efficient (~45 MPG) but faces future ULEZ and emissions regulation challenges.
- The full-electric MG5 EV offers zero tailpipe emissions, full ULEZ compliance, and low running costs.
- Engine replacement for the petrol is complex but standard; EV battery replacement is a highly specialist, costly procedure.
- For long-term ownership in urban areas, the EV powertrain is more future-proof.
🔒 Quality Assurance & Warranty
- For the 1.5L turbo, verify the timing chain and high-pressure fuel pump have been replaced with latest parts.
- Any EV battery replacement must be performed by an MG-approved technician with proper high-voltage training.
- A minimum 12-month warranty is crucial. MG's original 7-year warranty may transfer on an approved used part.
- Request full diagnostic readouts before and after the installation to confirm all systems communicate correctly.
🛒 Compare & Save on MG MG5 Engines
- Source a low-mileage engine from a salvage MG5 that has been front or rear-ended, avoiding flood-damaged cars.
- For the EV, explore MG's official battery health check and refurbishment scheme before committing to full replacement.
- Avoid non-specialist suppliers who cannot program the ECU and immobiliser to the car's Body Control Module (BCM).
- We partner with MG Motor UK dealers and certified independent specialists for authentic parts and programming.
⚙️ MG MG5 Engine Works: How Experts Rebuild Engines
When your engine fails, MG MG5 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.
1. SAIC 1.5T Diagnostic & Disassembly
The engine is connected to MG-specific diagnostic tools (like MG SDD or a compatible scanner) to download fault codes and ECU data. It is then stripped, with focus on the timing chain system for stretch, the turbocharger's wastegate, and the direct injection fuel system.
2. Machining & Component Verification
The aluminium block is checked for warpage and the cylinder bores are honed. The cylinder head is pressure-tested and refurbished. The turbocharger is inspected for shaft play and carbon buildup. All SAIC-specific components are validated against the latest part numbers.
3. Reassembly with Technical Service Bulletin Updates
The engine is rebuilt using updated timing components, a new oil pump, and a revised high-pressure fuel pump if specified by MG TSBs. All gaskets and seals are replaced. The variable valve timing (VVT) actuators are cleaned and tested.
4. Electronics & Systems Integration
The engine's ECU is reprogrammed with the latest software to address known drivability and emissions issues. All sensors (MAP, MAF, cam/crank position) are tested. The fuel injectors are ultrasonically cleaned and flow-tested. The cooling system is fully renewed.
5. Dynamometer Run-In & ECU Calibration
The engine is run on a dyno with break-in oil. Using official MG software, the ECU is calibrated for the new engine. Key parameters for boost control, fuel trim, and ignition timing are set. The engine management system undergoes a full adaptation reset.
6. Final Validation & Road Test Protocol
A comprehensive compression and leak-down test is performed. The engine is installed and the vehicle undergoes a rigorous road test to verify power delivery, cooling performance, and that all electronic systems (including stop/start) function without fault codes.