Buy Rebuilt Nissan Micra Engines - 12m Warranty with Supply & Fit

Compare Micra engine prices. Rebuilt HR12DE/K12M units for K10/K11/K12/K13 (1992-2022) with 12m warranty from UK suppliers.

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Nissan Micra Specialists

Expert Solutions for Every Micra - Base to Performance

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.

  • ✔ Full Micra Engine Range - HR12DE, K12M, HR10T, and K10 engines across all generations
  • ✔ Series-Wide Calibration - Correct ECU mapping for every Micra chassis (K10, K11, K12, K13)
  • ✔ Micra Pricing Advantage - Save up to £1,200 vs dealer on common HR12DE timing chain repairs
Find Your Perfect Nissan Micra Engine Today!
Nissan Micra engine replacement specialists | Engine Finders

Nissan Micra 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 K10, K11, K12, K13.

Nissan Micra Rebuilt Engines

Includes upgraded HR12DE timing chain components for enhanced durability.

Nissan Micra Remanufactured Engines

Fully restored HR12DE/K12M engines with updated internals to factory specs.

Nissan Micra Reconditioned Engines

Thoroughly tested Micra engines with verified HR12DE timing chain and head gaskets.

Nissan Micra Replacement Engines

Direct OEM fitment engines for minimal downtime on all Micra generations.

Nissan Micra Refurbished Engines

Performance-tuned HR12DE engines with enhanced reliability and fuel efficiency.

Nissan Micra Used Engines

Affordable HR12DE options with verified mileage and comprehensive inspection reports.

Nissan Micra 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.

Where to buy Nissan Micra replacement engine | Engine Finders

Why Choose Engine Finders for Your Nissan Micra Engine?

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.

  • ✔ Micra-Wide HR-Series Timing Chain Resolution: We upgrade tensioners and guides across all HR12DE/HR15DE variants using Nissan Service Campaign-compliant components

    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.

  • ✔ DIG-T Turbocharger Solutions: Specialized rebuilds for DIG-T turbo systems across newer Micra models

    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.

  • ✔ HR-Series Oil Pump & Chain Drive Systems: Comprehensive replacement of shared oil pump assemblies affecting multiple Micra generations

    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.

  • ✔ CVT Transmission Integration: Engine swaps with complete CVT compatibility across Micra variants

    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.

  • ✔ HR-Series Intake Manifold & VVT Components: Addressing carbon buildup and VVT solenoid issues across all variants

    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.

  • ✔ DIG-T Intercooler & Cooling Systems: Upgraded cooling for turbocharged variants across the Micra range

    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.

  • ✔ Electrical Integration & ECU Programming: Complete engine management system compatibility across Micra generations

    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.

  • ✔ Series-Wide Quality Assurance: Comprehensive testing protocols for all Micra engine families

    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.

Rated 4.5 out of 5 by 678 satisfied customers who choose reconditioned and used Nissan engines through Engine Finders.

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

4.5 Star Rating
4.5/5
"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, BradNissan
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London

Nissan Micra Engines for Sale | Engine Finders

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.

Nissan Micra Replacement Engines

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.

Nissan Micra Models & Engines Codes

The Micra series spans multiple engine families across generations, each with specific failure patterns and compatibility requirements.

  • HR12DE: 1.2L petrol (K13/K14/K15, 1999-2020) - Timing chain tensioner (13240-1F000) failure across all variants
  • HR15DE: 1.5L petrol (K13/K14/K15, 2004-2020) - VVT solenoid (10090-1F000) issues in all Micra models
  • DIG-T 1.2T: Turbo petrol (K16, 2017-present) - Turbocharger (12224-7F000) and intercooler problems
  • MR12DDT: 1.2L DIG-T (K16, 2017-present) - Turbo oil cooling system vulnerabilities

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.

Buy Used and Second-Hand Nissan Micra Engines

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.

  • Used engines: High risk of inherited timing chain issues (HR-series)
  • Reconditioned units: Updated components with warranty coverage
  • Remanufactured engines: Complete rebuilds with upgraded parts
  • Complete assemblies: Engine with ECU and wiring harness included

Our specialists recommend reconditioned HR-series engines with updated timing chain assemblies and DIG-T units with upgraded turbo cooling systems for optimal reliability.

Nissan Micra Engines in Stock

Our reconditioned Micra engines include comprehensive component upgrades addressing generation-specific failure points across all engine families.

  • New timing chain assemblies (HR-series)
  • Updated VVT solenoids and oil control valves
  • Complete turbocharger rebuilds (DIG-T variants)
  • Upgraded intercooler systems (DIG-T models)
  • Reconditioned cylinder heads and valve trains
  • New oil pumps and cooling components

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.

Warranty for Replacement Nissan Micra Engines

All our replacement Micra engines come with comprehensive warranty coverage designed to protect against generation-specific failure patterns.

  • 12-month warranty on all rebuilt engines
  • Unlimited mileage coverage
  • HR-series timing chain components covered (post-upgrade)
  • DIG-T turbocharger and intercooler coverage
  • Professional installation support

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.

Where to buy Nissan Micra replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your Nissan Micra

♻️ Nissan Micra Engine Types Explained

  • K10B 1.0L petrol (2002-2007) - Timing belt needs replacement every 60k miles
  • H4M 1.2L petrol (2007-2011) - Known for head gasket issues after 80k miles
  • K12B 1.2L petrol (2011-2017) - Chain-driven camshaft, more reliable than H4M
  • K15B 1.5L petrol (2017-2023) - Most reliable Micra engine with timing chain

£ Nissan Micra Replacement Engine Cost in the UK

  • Used K10B engines: £800-£1,200 depending on condition and mileage
  • Reconditioned H4M engines: £1,800-£2,400 with updated head gaskets
  • Rebuilt K12B engines: £2,200-£2,800 including timing components
  • New K15B engines: £3,500-£4,200 direct from Nissan suppliers

🔍 Finding the Right Nissan Micra Engine

  • Check engine code on block: K10B, H4M, K12B, or K15B for correct compatibility
  • Verify donor vehicle mileage and service history for used engines
  • Confirm engine bay dimensions match - Micra has compact engine bay
  • Match ECU compatibility to avoid programming issues post-installation

⛽ Nissan Micra Petrol vs Diesel Engines

  • Micra only came with petrol engines - no diesel variants available
  • Petrol engines offer better acceleration for city driving
  • ULEZ compliant from K12B onwards (2011+) for London driving
  • Lower maintenance costs vs diesel due to simpler fuel system

🔒 Quality Assurance & Warranty

  • All Micra engines tested for compression and oil pressure before dispatch
  • K12B/K15B engines include new timing chains and guides as standard
  • 12-month warranty covers internal components and gaskets
  • Quality checked against Nissan service bulletins for known issues

🛒 Compare & Save on Nissan Micra Engines

  • Compare prices across multiple suppliers using our platform
  • Choose reconditioned over new to save £1,000+ on K15B engines
  • Buy during quieter months (Nov-Feb) for better deals
  • Bundle with installation for potential labour savings

⚙️ Nissan Micra Engine Works: How Experts Rebuild Engines

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.

Frequently Asked Questions - Nissan Micra Engines
How much does a Nissan Micra HR12DE engine replacement cost in the UK?

Reconditioned pricing:
£1,600-£1,900 for HR12DE engine (Micra K13, 2010-2022)
• Includes updated timing chain tensioner (OEM 14100-9B000) for Micra
• 12-month warranty included
• Save 30-40% vs dealerships through Engine Finders

What causes timing chain issues in Micra HR12DE engines?

Common failure points in Nissan Micra HR12DE engines:
• Worn timing chain guides (OEM 14100-9B000) cause noise
• Weak tensioner springs lead to chain slack
• Oil contamination accelerates wear patterns
• Engine rebuilds include updated components for Micra reliability

Is the K12M engine in Micra the same as in other Nissan models?

While K12M appears in multiple Nissan models, the Micra version differs:
• Different ECU calibration for K12 chassis application
• Unique intake manifold design for Micra's compact packaging
• Specific oil pump configuration for Micra's mounting points
• Requires Micra-specific parts for proper rebuild

How long does a Micra HR10T turbo engine rebuild take?

HR10T turbo rebuild timeline for Nissan Micra:
• Complete disassembly and inspection: 2-3 days
• Machining and component replacement: 3-4 days
• Reassembly with updated turbo components: 2-3 days
• Total time: 7-10 working days for Micra HR10T

What are common K10 engine problems in older Micra models?

K10 engine issues in older Nissan Micra (1992-2002):
• Cylinder head gasket failure (OEM 11340-9B000) is common
• Timing chain stretch after 100,000 miles
• Carburetor/early fuel injection system problems
• Rebuilds include updated internals for Micra reliability

Can I upgrade my Micra K12M to HR12DE engine?

K12M to HR12DE conversion in Nissan Micra is possible but complex:
• ECU reprogramming required for HR12DE integration
• Mounting points differ between K12 and HR12DE
• Cooling system modifications needed for newer engine
• Professional installation recommended for Micra compatibility

What's the warranty on rebuilt Micra HR15DE engines?

Engine Finders warranty on Micra HR15DE rebuilds:
• 12-month comprehensive warranty included
• Covers timing chain, head gasket, and internal components
• Valid at any UK garage for Micra owners
• Parts and labor covered for peace of mind

Why is my Micra HR12DE burning oil and how to fix?

Oil burning in Nissan Micra HR12DE engines is typically caused by:
• Worn valve stem seals (OEM 13240-9B000) allowing oil entry
• Piston ring wear allowing oil into combustion chamber
• PCV system blockage causing pressure buildup
• Complete rebuild with new rings fixes Micra oil consumption

How do I identify the correct engine code in my Micra?

Identifying your Nissan Micra engine code:
• Check the engine bay label near the strut tower
• Look for code stamped on the engine block near oil filter
• HR12DE: 1.2L 3-cylinder, K12M: 1.2L 3-cylinder older
• HR10T: 1.0L turbo, K10: 1.0L older 3-cylinder

Are used Micra K14 engines reliable for replacement?

Used K14 engines for Micra 1997-2002 have mixed reliability:
• Mileage verification essential (avoid engines over 150,000 miles)
• Check for timing chain tensioner wear before purchase
• Verify no previous overheating damage to cylinder head
• Rebuilt K14 often better value than used for Micra