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Nissan M9R Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The Nissan M9R is a 2.0-litre clean diesel co-developed with Renault, fitted to the Qashqai, X-Trail, Navara and other Nissan models. Reconditioned units from £1,500 , with 200 UK replacement requests recorded in 2025 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£500
Reconditioned from
£1,500
Rebuilt from
£2,500
GB
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Quotes only from vetted UK engine specialists.
Key Specs
Nissan M9R - Specifications at a Glance
Engine Code
M9R
Fuel
Diesel
Configuration
2.0L inline-4, variable-geometry turbo, common-rail (1,600 bar)
Power Output(s)
150-173 PS (110-127 kW) depending on tune
Years Produced
2006-2015
UK Models Fitted
4 models - Qashqai J10, X-Trail T31, Navara D40, Pathfinder R51
2025 UK Replacement Requests
200
Replaced
- (no direct predecessor in the Nissan range)
Replaced By
R9M 1.6 dCi
Most Common Failure
Turbocharger oil supply issues / injector failure
Reconditioned Price Range
£1,500-£2,800 supply-only
Vetted UK specialists for M9R replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Nissan Models Use the M9R-
Tag: Fitted To
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Nissan Qashqai | J10 | 2.0 dCi (150 PS) | 2007-2013 | |
| Nissan X-Trail | T31 | 20GT (150-173 PS) | 2007-2013 | |
| Nissan Navara | D40 | 2.0 dCi | 2006-2015 | |
| Nissan Pathfinder | R51 | 2.0 dCi | 2006-2015 |
02
Nissan X-Trail
03
Nissan Navara
04
Nissan Pathfinder
CROSS-BRAND
M9R is documented across 4 BMW applications spanning Nissan Qashqai, Nissan X-Trail, Nissan Navara, Nissan Pathfinder. Registration lookup confirms the exact suffix before quotes are sent.
Not sure which engine your car has?
Not sure which engine your car has- Enter your registration above - we'll confirm your exact M9R fitment before any quotes are sent.
Prices
Nissan M9R Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £500-£1,200 | £1,015-£1,915 | 3-6 months |
Reconditioned | £1,500-£2,800 | £2,015-£3,515 | 12-24 months |
Rebuilt | £2,500-£4,000 | £3,015-£4,515 | 12-24 months |
All from Table A . Fitted = supply price + labour band below.
Labour Guide
Fitting an M9R typically takes 8-11 hours at £65/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
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Common Problems
Nissan M9R Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the M9R, based on real-world data and verified failure patterns.
Verified issue focus: Turbocharger oil supply issues / injector failure.
1. Turbocharger failure - oil supply starvation (80k-150k miles)
1. Turbocharger failure - oil supply starvation (80k-150k miles)
Typical onset:
80,000-150,000 miles
What happens:
The M9R's variable-geometry turbocharger relies on a clean, uninterrupted oil supply. Over time, carbonised oil can block the small-bore feed pipe, leading to turbo bearing failure. Symptoms include loss of power, excessive smoke, whistling noises and ultimately catastrophic turbo failure sending metal debris through the engine. The problem is exacerbated by extended service intervals or poor-quality oil.
Repair vs replace:
A failed turbo on an M9R can often be replaced individually (turbo: £800-£2,000 plus labour), but the oil feed pipe must be cleaned or replaced and the engine oil system flushed to prevent recurrence. If the engine has been run with a failed turbo for any distance, bearing damage to the bottom end is possible - in those cases, a full engine replacement is the safer route.
Read more about this issue
2. Injector failure - electrical faults and swarf contamination (80k-150k miles)
2. Injector failure - electrical faults and swarf contamination (80k-150k miles)
Typical onset:
80,000-150,000 miles
What happens:
M9R injectors (piezoelectric type) can fail due to electrical faults, worn nozzles, or contamination from fuel system wear. Symptoms include rough idle, misfire under load, excessive smoke, poor fuel economy and difficulty starting. The piezoelectric injectors are more sophisticated than older solenoid types and consequently more expensive to replace. The use of non-genuine fuel filters or contaminated fuel accelerates injector wear.
Repair vs replace:
Individual injector replacement is possible (injectors: £300-£800 each fitted ) but all injectors should be coded to the ECU using diagnostic equipment. If multiple injectors have failed, replacing the full set (£1,200-£3,000) with a fuel system flush is recommended.
Read more about this issue
3. EGR clogging and DPF blockage - particularly in urban use
3. EGR clogging and DPF blockage - particularly in urban use
Typical onset:
80,000-150,000 miles
What happens:
Like all modern diesels with DPF, the M9R suffers from EGR valve clogging and DPF blockage when used predominantly for short urban journeys. The DPF regenerates by burning off accumulated soot at high exhaust temperatures - something that doesn't happen on cold, short trips. Warning lights will appear and the car may enter limp-home mode. The Japanese-market X-Trail 20GT was actually equipped with a manual regeneration switch because DPF regeneration was recognised as a potential issue in low-speed driving.
Repair vs replace:
EGR cleaning is typically £200-£400; DPF cleaning or replacement is £400-£1,200. These are serviceable items, not typically engine-replacement triggers - but repeated neglect can lead to turbo and engine damage.
Read more about this issue
Compare rebuilt M9R prices with the failures already addressed
Engine Variants
How to Confirm You Have the M9R
Tag: Engine Variants The Nissan M9R is not typically split into multiple named sub-codes in the way some German engines are - it is a single engine family with different power tunes (150 PS in the Qashqai, 173 PS in the X-Trail 20GT). However, two points matter when identifying your specific M9R: 1. Output variant: the 150 PS version and the 173 PS version share the same short block and cylinder head, but differ in ECU calibration and turbocharger specification. Always match the replacement unit to your car's original output - fitting a lower-output unit will leave you underpowered; fitting a higher-output unit will require ECU reflashing. 2. Commercial vs passenger car versions: M9R units fitted to the Navara D40 and Pathfinder R51 have different oil pan, sump and mounting configurations compared to the Qashqai and X-Trail versions - these are not directly interchangeable. The commercial-spec units also have different ECU calibrations for towing and load applications. Where to find the code: The M9R code is stamped on a metal plate on the cylinder block, typically on the front right-hand side (looking from the front of the vehicle), near where the block meets the gearbox. It also appears on the V5C registration document and is encoded in the VIN (the 8th character typically denotes the engine type). Confusable codes: The M9R should not be confused with: - M4R - a 2.0L diesel from the earlier Renault/Nissan alliance (not common-rail, different architecture) - R9M - the 1.6L dCi that replaced the M9R (different engine family, much newer) - K9K - the 1.5L dCi fitted to smaller Nissan and Renault models (completely different engine) Why matching matters: Fitting the wrong revision - particularly a passenger-car unit into a commercial vehicle or vice versa - will mean the engine mounts, oil pan, ancillaries and wiring loom will not fit. Always provide your full VIN or registration when comparing quotes so suppliers can match the exact variant.
Not sure which engine your car has- Enter your registration above - we'll confirm your exact M9R fitment before any quotes are sent.
Easily Confused
D40
2. Commercial vs passenger car versions: M9R units fitted to the Navara D40 and Pathfinder R51 have different oil pan, sump and mounting configurations compared to the Qashqai and X-Trail versions - these are not directly interchangeable. The commercial-spec units also have different ECU calibrations for towing and load applications.
Alternative / Next-Gen Code
R51
2. Commercial vs passenger car versions: M9R units fitted to the Navara D40 and Pathfinder R51 have different oil pan, sump and mounting configurations compared to the Qashqai and X-Trail versions - these are not directly interchangeable. The commercial-spec units also have different ECU calibrations for towing and load applications.
Related JLR Variants
V5C
Where to find the code: The M9R code is stamped on a metal plate on the cylinder block, typically on the front right-hand side (looking from the front of the vehicle), near where the block meets the gearbox. It also appears on the V5C registration document and is encoded in the VIN (the 8th character typically denotes the engine type).
Confirm the exact M9R fitment
Not sure which engine your car has- Enter your registration above - we'll confirm your exact M9R fitment before any quotes are sent.
Buying Guide
Buying a Replacement M9R - What to Choose
Choosing the right replacement route depends on your budget, risk tolerance, and ownership goals. Here's a breakdown of your options.
Used:
A used M9R can make sense for lower-value Qashqai J10 or X-Trail T31 hosts where the vehicle's overall value doesn't justify a reconditioned unit. The critical condition check is the turbocharger oil supply - a used engine with a history of regular oil changes and documented turbo health is far safer than a cheaper unknown unit. DPF status matters too - a used engine with a blocked DPF will be a false economy. Link once: /services/used-engines
Reconditioned:
For most M9R replacements, a reconditioned unit is the right call - it delivers a factory-spec engine with the failures properly addressed. A proper M9R recon should include: (1) a fully rebuilt or certified-good turbocharger with new oil feed pipe, (2) reconditioned or new injectors (or at minimum, a written injector test report), (3) new timing chain and tensioner, (4) a cleaned or new EGR valve and DPF (or a clear statement of DPF condition), and (5) a full gasket and seal kit. The 12-24 month warranty that accompanies reconditioned units is your safety net for latent issues. Link once: /services/reconditioned-engines
Rebuilt:
A full rebuild on an M9R is usually only justified for vehicles with exceptional body and chassis condition - low-mileage Navaras or Pathfinders used for towing, or collector-grade examples. An upgraded rebuild should include a strengthened turbo oil feed modification (some specialists fit an upgraded pipe with larger bore to resist carbon blockage), genuine Nissan injectors, and a DPF delete (where legally permitted and for off-road use). For most owners, a reconditioned unit offers the best balance of cost, reliability and warranty. Link once: /services/rebuilt-engines
Supply & Fit Line:
Replacement through EnginesMarket's network puts you in touch with Nissan specialists who can fit your new M9R with a minimum 12-month warranty nationwide - supply-only or full supply & fit available. Link once: /services/supply-and-fit
Vehicle Value Note:
Compare M9R Engine Prices Now
Related Engines
Related Engines
Explore engines that are closely related to the Nissan M9R, including its predecessor, successor, and key family variants.
Successor
R9M 1.6 dCi
R9M 1.6 dCi
Sibling
D40
2. Commercial vs passenger car versions: M9R units fitted to the Navara D40 and Pathfinder R51 have different oil pan, sump and mounting configurations compared to the Qashqai and X-Trail versions - these are not directly interchangeable. The commercial-spec units also have different ECU calibrations for towing and load applications.
Sibling
R51
2. Commercial vs passenger car versions: M9R units fitted to the Navara D40 and Pathfinder R51 have different oil pan, sump and mounting configurations compared to the Qashqai and X-Trail versions - these are not directly interchangeable. The commercial-spec units also have different ECU calibrations for towing and load applications.
Sibling
V5C
Where to find the code: The M9R code is stamped on a metal plate on the cylinder block, typically on the front right-hand side (looking from the front of the vehicle), near where the block meets the gearbox. It also appears on the V5C registration document and is encoded in the VIN (the 8th character typically denotes the engine type).
FAQ
Nissan M9RFrequently Asked Questions
Question 1How much does a Nissan M9R engine replacement cost in the UK-
A used M9R costs £500-£1,200 supply-only; reconditioned units start from £1,500; rebuilt units from £2,500. Fitting adds 8-11 hours labour (£520-£715 at £65/hr). The final cost varies by condition, turbo and injector health, and whether the replacement is supply-only or fitted. Reconditioned price: £1,500-£2,800. Fitted premium: £520-£715. Labour rate higher in London/SE.
- Reconditioned price: £1,500-£2,800
- Fitted premium: £520-£715 (8-11 hrs @ £65/hr)
- Labour rate higher in London/SE (+40-60%)
Question 2Which Nissan models use the M9R diesel engine-
The M9R was fitted to the Nissan Qashqai J10 (2007-2013), X-Trail T31 (2007-2013), Navara D40 (2006-2015) and Pathfinder R51 (2006-2015). It was also used in Renault vehicles under the Renault-Nissan Alliance. Qashqai J10: 2.0 dCi, 150 PS. X-Trail T31: 20GT, 150-173 PS. Navara D40 / Pathfinder R51: 2.0 dCi, commercial spec.
- Qashqai J10: 2.0 dCi, 150 PS
- X-Trail T31: 20GT, 150-173 PS
- Navara D40 / Pathfinder R51: 2.0 dCi, commercial spec
Question 3What are the most common failures on the Nissan M9R engine-
The three most common failures are: (1) turbocharger failure from blocked oil supply lines (80k-150k miles, £800-£2,000 repair), (2) injector failure (80k-150k, £300-£800 per injector), and (3) EGR/DPF clogging from urban use (cleaning £200-£400; DPF replacement £400-£1,200). None of these is unique to the M9R - they are characteristic of modern common-rail diesels - but the turbo oil supply issue is particularly well-documented on this engine. [Read full M9R failure patterns]
Compare M9R quotesQuestion 4Should I buy a used, reconditioned or rebuilt M9R engine-
A used M9R makes sense for lower-value host vehicles (£2,500-£5,000 Qashqais) where the engine cost must be minimised - but only if turbo health is documented. A reconditioned M9R (£1,500-£2,800) is the best balance for most owners: it includes a rebuilt turbo, new injectors or injector test, new gaskets, and a 12-24 month warranty. A full rebuild (£2,500-£4,000) is only justified for exceptional-condition vehicles (low-mileage Navaras or Pathfinders). [Compare M9R engine conditions]
Compare M9R quotesQuestion 5How do I know if my Nissan has the M9R or a different engine-
The M9R code is stamped on a metal plate on the front right-hand side of the cylinder block. It also appears on the V5C registration document and is encoded in the vehicle's VIN (the 8th character of the VIN typically denotes engine type). Do not confuse it with the M4R (older non-common-rail diesel) or the R9M (1.6L successor). [Enter your registration to confirm M9R fitment]
Compare M9R quotesQuestion 6Is the M9R a reliable engine-
The M9R's reputation is mixed - it delivers excellent torque (360 N·m) and fuel economy, but the turbo oil-supply failure is a recognised weak point . With strict maintenance (5W-30 C3 spec oil, 7.5L capacity, regular oil changes, DPF-friendly driving), many M9R units reach 150,000+ miles without major issues. The failure patterns are well-understood and the engine is considered repairable by most independent specialists - unlike some German diesels with rear-mounted chains, the M9R's timing gear is front-mounted and comparatively accessible. ---
Compare M9R quotesCompare Nissan M9R Engine Prices Today
Tag: Why EnginesMarket Trust points: Vetted UK specialists who work on the M9R and its Renault-Nissan family every week Minimum 12-month warranty on every reconditioned and rebuilt M9R Nationwide delivery - supply-only or full supply & fit Closing paragraph (50-70 words): Start your M9R replacement comparison today - free, no-obligation quotes from vetted Nissan specialists nationwide. The quote process is simple: enter your registration or tell us your vehicle, and we'll match you with UK suppliers who have the right M9R variant in stock or on the bench. With reconditioned M9R units from £1,500, comparing takes two minutes and could save four figures. CTA Button: Get Free M9R Engine Quotes
Vetted UK Specialists
Vetted UK specialists for M9R replacements
Minimum 12-Month Warranty
Minimum 12-month warranty on reconditioned and rebuilt options
Nationwide Delivery
Nationwide delivery plus supply and fit availability
Expert Support
Secure enquiry - no spam. Quotes only from vetted UK engine specialists.
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