Compare Micra engine prices. Rebuilt HR12DE/K12M units for K10/K11/K12/K13 (1992-2022) with 12m warranty from UK suppliers.
Need a reliable replacement engine for your Nissan Micra?
Engine Finders specializes in Micra engines with solutions for HR12DE/K12M failure patterns across all variants.
Includes upgraded HR12DE timing chain components for enhanced durability.
Fully restored HR12DE/K12M engines with updated internals to factory specs.
Thoroughly tested Micra engines with verified HR12DE timing chain and head gaskets.
Direct OEM fitment engines for minimal downtime on all Micra generations.
Performance-tuned HR12DE engines with enhanced reliability and fuel efficiency.
Affordable HR12DE options with verified mileage and comprehensive inspection reports.
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned Nissan Micra replacement engines. From the HR12DE and HR15DE naturally aspirated units to the newer DIG-T turbocharged engines found across the Micra range, we provide comprehensive coverage for all powertrain configurations. Whether you're battling HR-series timing chain tensioner failures across early Micra models or DIG-T turbocharger issues in later variants, Engine Finders makes it easy to locate the right engine, fast.
The HR-series engines throughout the Micra range (2002-2019) share identical timing chain tensioner designs (OEM 13240-1F000) prone to failure after 80k miles. Our specialists upgrade to revised tensioner assemblies that address the common design flaw affecting all HR12DE and HR15DE variants, ensuring long-term reliability across the entire series.
The newer DIG-T turbocharged engines (2017-present) share identical turbocharger designs (OEM 12224-7F000) with common failure modes including oil coking and bearing wear. Our specialists provide complete turbocharger replacement and upgraded oil cooling systems that address the shared design limitations across all DIG-T Micra variants.
The HR12DE and HR15DE engines across Micra models (2002-2019) utilize identical oil pump drive systems (OEM 13235-1F000) prone to timing chain noise and premature wear. Our specialists upgrade to improved oil pump assemblies and chain guides that resolve the common issues affecting all HR-series variants throughout the generation.
All Micra models utilize Nissan's XTRONIC CVT transmission (OEM 31610-1F000) requiring precise engine-to-transmission compatibility. Our specialists ensure proper CVT integration and programming for all engine swaps, maintaining the seamless power delivery expected across the entire Micra series regardless of engine configuration.
The HR-series engines throughout Micra models share identical VVT systems (OEM 10090-1F000) prone to carbon buildup and solenoid failures after 60k miles. Our specialists provide complete intake manifold cleaning, VVT solenoid replacement, and upgraded oil control valve components that resolve the common issues affecting all HR12DE and HR15DE variants.
The DIG-T turbocharged engines in newer Micra models share identical intercooler designs (OEM 12020-7F000) with common heat soak issues. Our specialists provide upgraded intercooler systems and enhanced cooling solutions that address the thermal management challenges affecting all DIG-T variants.
All Micra engines require specific ECU programming and electrical integration (OEM 282A0-1F000) for proper operation. Our specialists provide complete ECU reprogramming, wiring harness compatibility checks, and security system integration ensuring seamless operation across all Micra variants and engine configurations.
Our quality assurance covers all Micra engine families from HR12DE to DIG-T, with series-specific testing protocols that verify performance across the entire range. Every engine undergoes comprehensive dyno testing, emissions verification, and compatibility checks ensuring reliability across all Micra body styles and engine configurations.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
Engine Finders connects UK drivers with specialists for reliable, reconditioned Nissan Micra replacement engines. Whether battling HR-series timing chain failures across early Micra models or DIG-T turbocharger issues in later variants, we provide direct OEM-spec solutions.
The Nissan Micra has evolved through five critical generations: K10/K11 (1982-1992) with MA10/MA12 engines, K12 (1992-1999) introducing GA10/GA13 units, K13 (1999-2003) with HR12DE/HR15DE families, K14 (2003-2010) expanding HR-series variants, and K15 (2010-2020) introducing CVT integration. All HR-series engines (K13/K14) suffered timing chain tensioner failures addressed in Service Campaigns, while K15 DIG-T turbocharged variants share common turbocharger and intercooler vulnerabilities regardless of trim level. The latest K16 generation (2017-present) introduced revised DIG-T systems with enhanced cooling requirements.
The Micra series spans multiple engine families across generations, each with specific failure patterns and compatibility requirements.
Each engine family shares identical components across all Micra body styles, meaning failures and solutions are consistent regardless of trim level or specific model year within the generation.
For Micra owners: Used engines carry high risk due to shared HR-series failure patterns and DIG-T turbo vulnerabilities. Reconditioned units with updated timing components are essential for pre-2017 models.
Our specialists recommend reconditioned HR-series engines with updated timing chain assemblies and DIG-T units with upgraded turbo cooling systems for optimal reliability.
Our reconditioned Micra engines include comprehensive component upgrades addressing generation-specific failure points across all engine families.
All units undergo 3-hour dyno tests simulating real-world loads across all Micra power bands, with compression checks meeting Nissan standards for the entire series.
All our replacement Micra engines come with comprehensive warranty coverage designed to protect against generation-specific failure patterns.
Engine Finders is a price comparison website - warranty terms are set by our vetted UK suppliers. Final coverage varies by engine family and specific components.
When your engine fails, Nissan Micra 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. Initial Assessment: Experts disassemble the Micra engine completely, cataloguing all components. They check for K12B-specific head warping or K15B timing chain wear patterns. Critical measurements determine if the block can be rebuilt or needs replacement.
2. Block Preparation: The engine block undergoes sonic testing for cracks, especially around the water jackets common in H4M engines. Boring and honing restore cylinder walls to factory specifications with precise tolerances. Main bearing surfaces are checked for wear patterns.
3. Component Replacement: Worn parts are replaced with OEM-spec components. For K12B engines, timing chain guides and tensioners are upgraded. New pistons, rings, and bearings are fitted. Oil pumps are tested for proper flow rates specific to Micra applications.
4. Cylinder Head Refurbishment: The head undergoes pressure testing and valve job. H4M heads are checked for warping beyond 0.05mm tolerance. Valve guides and seats are replaced if worn. Combustion chambers are cleaned and inspected for carbon buildup affecting Micra performance.
5. Assembly Process: Clean components are assembled using torque-to-yield bolts where specified. Special tools ensure proper timing chain alignment in K12B/K15B engines. Oil passages are flushed and sealed. Critical torque specifications are followed per Nissan service procedures.
6. Testing & Quality Control: Completed engines undergo break-in procedures on test stands. Compression tests verify proper assembly. Oil pressure and temperature are monitored. Final inspection includes checking for leaks and proper operation before packaging for Micra installation.