2015 ON McLAREN 675LT COMPLETE ENGINE 3.8 PETROL – ONLY 4,684 MILES
Genuine McLaren 675LT 3.8-litre petrol engine assembly, suitable for compatible 675LT applications from 2015 onward. This engine is advertised as a complete engine with only 4,684 miles, with a video available showing the engine and/or its running condition.
The McLaren 675LT uses the M838TL 3.8-litre twin-turbocharged V8 engine, producing 675 PS at 7,100 rpm and 700 Nm of torque at 5,500–6,500 rpm.
PRODUCT SPECIFICATIONS
- Brand: McLaren
- Model: 675LT
- Model Year: 2015 onward
- Engine: 3.8L V8 Twin-Turbo Petrol
- Engine Code: M838TL
- Product: Complete Engine / Engine Assembly
- Fuel Type: Petrol / Gasoline
- Mileage: Only 4,684 miles
- Power: 675 PS
- Maximum Torque: 700 Nm
- Configuration: V8
- Turbocharged: Twin Turbo
- Condition: Used — low mileage
- Video: Available
- Fitment: McLaren 675LT — verify by VIN and engine number
McLAREN M838TL ENGINE
The M838TL is the specific engine designation used for the McLaren 675LT. More than 50% of the engine’s components were changed compared with the 650S engine, including the turbochargers, camshafts, connecting rods, cylinder heads, exhaust manifolds and fuel-delivery components.
The engine specifications include:
- Displacement: 3,799 cc
- Configuration: V8
- Induction: Twin turbocharged
- Power: 675 PS / 666 bhp
- Peak power: 7,100 rpm
- Torque: 700 Nm / 516 lb-ft
- Peak torque: 5,500–6,500 rpm
- Engine code: M838TL
- Dry-sump lubrication: Yes
The 675LT’s M838TL engine was developed with extensive changes over the 650S unit and uses lightweight internal components as part of the engine specification.
ONLY 4,684 MILES
This engine is advertised with only 4,684 miles, making the stated mileage an important part of the listing.
For a used McLaren engine, buyers should request documentation supporting the mileage where available, such as:
- Donor vehicle mileage
- Vehicle identification number
- Service records
- Engine number
- ECU data
- Removal documentation
- Running video
- Compression or diagnostic test results
COMPLETE ENGINE
The listing describes the unit as a complete engine.
However, the exact definition of “complete” can vary between sellers. Confirm whether the supplied engine includes:
- Twin turbochargers
- Intake system
- Exhaust manifolds
- Fuel system components
- Alternator
- Starter motor
- Engine wiring harness
- Sensors
- Engine control components
- Ancillary components
- Engine mounts
- Flywheel
- Clutch/transmission components
Transmission and vehicle electronics should not be assumed to be included unless specifically stated.
ENGINE CONDITION
The engine is described as a low-mileage used unit.
Before purchase, verify:
- Engine running condition
- Oil pressure
- Compression
- Leak-down results
- Turbocharger condition
- Coolant system
- Oil leaks
- Crankcase condition
- Cylinder condition
- Diagnostic fault codes
- Engine number
- Mileage documentation
The supplied video should be reviewed to establish what is shown, whether the engine is running, and which components are included.
McLAREN 675LT APPLICATION
The M838TL engine is specifically associated with the McLaren 675LT. The 675LT was produced from 2015, with production specifications listing the M838TL engine and 3,799 cc displacement.
The engine should therefore be matched carefully to:
- 675LT Coupe
- 675LT Spider
- Model year
- Engine code
- Engine number
- ECU configuration
- Vehicle VIN
The 675LT Spider also uses the M838TL 3.8-litre twin-turbo V8 with the same 675 PS and 700 Nm output.
ENGINE NUMBER & VIN VERIFICATION
Before ordering, request the engine number and compare it with the vehicle’s original engine documentation.
Verify:
Engine Code: M838TL
Vehicle: McLaren 675LT
Displacement: 3.8L / 3,799 cc
Fuel: Petrol
Mileage: 4,684 miles advertised
VIN verification is recommended before installation.
INSTALLATION
Installation should be carried out by a specialist familiar with McLaren vehicles.
The installation process may include:
- Verify engine code and engine number.
- Confirm VIN compatibility.
- Compare the replacement engine with the original.
- Inspect all ancillary components.
- Transfer compatible components where necessary.
- Install the engine using appropriate lifting equipment.
- Connect engine wiring and sensors.
- Connect fuel, cooling and intake systems.
- Connect exhaust and turbocharger systems.
- Connect the transmission.
- Fill fluids according to manufacturer specifications.
- Program or synchronize applicable electronic systems.
- Scan for diagnostic faults.
- Start and inspect the engine.
- Check oil pressure, coolant temperature and leaks.
- Complete a road test and diagnostic inspection.
IMPORTANT FITMENT NOTICE
The M838TL engine is specific to the 675LT, but individual components and electronic systems may vary between vehicles.
Confirm:
- Engine code
- Engine number
- Donor vehicle VIN
- 675LT Coupe or Spider
- Model year
- ECU compatibility
- Ancillary equipment
- Included components
- Mileage documentation
Do not purchase solely on the basis of engine displacement.
BUYER CHECKLIST
- Brand: McLaren
- Model: 675LT
- Year: 2015 onward
- Engine: 3.8L V8 Twin Turbo
- Engine Code: M838TL
- Displacement: 3,799 cc
- Fuel: Petrol
- Power: 675 PS
- Torque: 700 Nm
- Mileage: 4,684 miles
- Condition: Used
- Complete Engine: Confirm included components
- Video: Available
- Engine Number: Confirm
- Donor VIN: Confirm
- ECU: Confirm
- Ancillaries: Confirm
- VIN Compatibility: Recommended
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