Nissan NV350 Engine ReplacementCompare Prices & Save

Rebuilt Nissan NV350 YD25DDTi diesel engines typically cost £2,800-£3,200 supply-only in the UK. QR25DE petrol units range £2,400-£2,900. Supply & fit adds £600-£950 labour.

• YD25DDTi rebuilt: £2,800-£3,200 supply-only
• QR25DE petrol rebuilt: £2,400-£2,900 supply-only
• Supply & fit labour adds £600-£950 typically
• Prices exclude VAT and depend on variant, mileage, supplier
• 12-month warranty standard on rebuilt units

Nissan Technical Bulletin NTB15-078 identifies a timing chain tensioner design flaw on YD25DDTi engines, allowing oil pressure loss that causes chain stretch and potential catastrophic damage.

• Tensioner part 13062-EB60A prone to oil pressure loss
• Failure typically occurs 60,000-100,000 miles
• Chain rattle on cold start is the key warning symptom
• Compression loss after failure requires full engine replacement
• Updated tensioner kits available to prevent recurrence

The YD25DDTi delivers strong torque for commercial use but has documented timing chain, EGR and DPF issues. With preventative maintenance and updated components, reliability improves significantly.

• Strong low-end torque (356Nm) ideal for hauling
• Timing chain tensioner requires preventative attention per NTB15-078
• EGR/DPF systems need regular cleaning on short-journey use
• Rebuilt units with updated components offer improved long-term reliability
• QR25DE petrol offers ULEZ compliance with simpler emissions

Yes, the YD25DDTi engine family is shared across Navara D22/D40, Pathfinder and NV350, but ECU programming, transmission compatibility and ancillary fittings must be verified before installation.

• Core YD25DDTi block architecture is compatible across models
• ECU adaptation and immobiliser coding required post-fitment
• Transmission bellhousing and mounts may differ by application
• Ancillary components (alternator, AC pump) may need swapping
• Always confirm variant-specific compatibility with your supplier

EGR valve carbon buildup is the most common cause of rough idle and stalling on NV350 YD25DDTi engines, restricting airflow and disrupting combustion at low RPM.

• EGR valve 14710-EB60A clogs with carbon deposits over time
• Symptoms include rough idle, stalling at lights, poor cold starting
• Cleaning or replacing the EGR valve often resolves the issue
• If compression is low after EGR service, engine replacement may be needed
• Regular motorway driving helps reduce carbon buildup

Nissan TB NTB15-078 doesn't specify a fixed interval, but preventative replacement at 60,000-80,000 miles is recommended for YD25DDTi engines to avoid catastrophic failure.

• No fixed service interval; monitor for cold-start chain rattle
• Preventative replacement recommended at 60k-80k miles
• Use updated tensioner kit 13062-EB60A per technical bulletin
• Compression testing advised if chain noise is present
• Rebuilt engines include updated timing components as standard

The engine code is stamped on the engine block (YD25DDTi, QR25DE, QR20DE) and listed on your V5C registration document under "engine number" or "variant".

• Check V5C registration document for engine number/code
• Engine code stamped on block near cylinder head
• YD25DDTi = diesel, QR25DE/QR20DE = petrol
• Enter your reg on EngineMarket to auto-identify your engine
• Confirm code with supplier before ordering replacement

Poor cold starting on NV350 YD25DDTi engines is commonly caused by failed glow plugs, but if vibration persists after glow plug replacement, low compression from ring wear is likely.

• Failed glow plugs cause hard cold starts; replace all four
• If vibration persists, demand a professional compression test
• Low compression indicates piston ring wear requiring engine replacement
• Injector failure can also cause cold-start issues and smoke
• Rebuilt engines include new glow plugs and upgraded rings

Most UK specialists offer a minimum 12-month unlimited mileage warranty on rebuilt NV350 engines, but timing chain coverage is often excluded per Nissan TB NTB15-078 design limitation.

• 12-month unlimited mileage warranty standard on rebuilt units
• Timing chain system often excluded due to NTB15-078 design limitation
• Confirm warranty terms in writing before accepting quote
• Supply & fit warranties typically cover parts and labour
• Extended warranty options available for fleet contracts

EngineMarket connects you with 100+ vetted UK Nissan NV350 engine specialists nationwide. Enter your registration for tailored quotes with supply-only or supply & fit options.

• 100+ vetted UK specialists in EngineMarket network
• Nationwide delivery or local supply & fit available
• Compare quotes side-by-side before committing
• All rebuilt engines include minimum 12-month warranty
• Typical turnaround 3-4 days from quote to road-ready