The 1.6L K7M engine assembly is a legendary inline-4 powerplant developed by the Renault-Nissan alliance. Renowned globally for its exceptional durability, mechanical simplicity, and high low-end torque, the K7M features a robust cast-iron block and an 8-valve SOHC cylinder head. It is the definitive workhorse engine for the Dacia Logan, Sandero, Renault Clio, and various light commercial vehicles.
Quick Specifications:
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Part Number: Renault/Dacia OEM format (Verify exact variant via VIN and engine serial number)
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Engine Code: K7M (K7M 710, 800, 812, 860, etc.)
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Displacement: 1.6 L (1,598 cc)
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Configuration: Inline-4, SOHC 8-Valve
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Fuel System: Multi-Point Fuel Injection (MPI)
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Material: Cast Iron Block / Aluminum Alloy Cylinder Head
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Bore x Stroke: 79.5 mm x 80.5 mm
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Valvetrain: Single Overhead Cam (SOHC) with rocker arms
Performance Data:
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Power Output: 62-77 kW (84-105 HP) @ 5,000-5,500 RPM (variant and emission dependent)
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Torque: 128-148 Nm @ 3,000-3,750 RPM
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Compression Ratio: 9.5:1 to 10.5:1
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Redline: 6,000 RPM
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Emission Standard: Euro 3 / Euro 4 / Euro 5
Complete Assembly Typically Includes:
✅ Cast iron engine block with precision-machined cylinder bores
✅ Aluminum cylinder head with integrated intake and exhaust ports
✅ Forged steel crankshaft and heavy-duty connecting rods
✅ Cast aluminum pistons with low-tension oil control rings
✅ Single camshaft, rocker arms, and valve train assembly
✅ Intake and exhaust valves with hardened seats
✅ Oil pump, water pump, and timing belt tensioner pulleys
✅ Oil pan, valve cover, and timing belt cover
✅ Flywheel / Flexplate mounting interface
Note: Alternator, starter motor, AC compressor, power steering pump, fuel injectors, ignition coil pack, throttle body, and ECU are typically sold separately and must be transferred from the original engine.
Applications:
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Dacia Logan / Logan MCV (2004-present, 1.6L MPI variants)
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Dacia Sandero / Sandero Stepway (2008-present, 1.6L MPI variants)
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Renault Clio II / III (Select 1.6L 8V global market variants)
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Renault Kangoo (1.6L commercial and passenger variants)
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Renault Megane II / Fluence (Select 1.6L 8V variants)
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Lada Largus (1.6L 8V variants utilizing the Renault K7M platform)
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Nissan Almera / Aprio (Select global markets sharing the K7M powertrain)
Key Features:
✅ Unmatched Durability: The heavy-duty cast-iron block provides exceptional structural rigidity, thermal stability, and resistance to wear, easily exceeding 300,000 km with basic maintenance.
✅ Mechanical Simplicity: The SOHC 8-valve design eliminates the complexity of dual overhead cams and 16 valves, making it incredibly easy and cost-effective to service and rebuild.
✅ Excellent Low-End Torque: The undersquare/stroke-optimized design delivers strong pulling power at low RPMs, making it ideal for city driving, heavy loads, and light commercial use.
✅ Tolerance for Lower Quality Fuels: The robust combustion chamber design and simple MPI system are highly forgiving of varying fuel qualities found in emerging global markets.
✅ Wide Aftermarket Support: Due to its massive global production run, spare parts, gasket kits, and timing components are universally available and highly affordable.