Nissan Leopard Engine ReplacementCompare Prices & Save

Yes, the RB20DET from Skyline R31 is a direct fit for F31 Leopard as both share the same platform and engine mounting points. This makes Skyline donors a cost-effective source for Leopard RB20DET replacements.

• F31 Leopard and Skyline R31 share chassis architecture
• RB20DET mounting points, ECU and wiring are compatible
• Always verify engine code matches your Leopard's original spec
• Laurel C32 and Cefiro A31 also share this platform

Rebuilt Nissan Leopard engines typically range from £1,200 for base VG30E units to £5,500 for rare turbo variants like the VG30DET, with supply-only pricing; fitted costs add £800-£2,200 depending on workshop.

• RB20DET rebuilt: £1,800-£4,500 supply only
• VG30 series rebuilt: £1,200-£3,400 supply only
• VQ series rebuilt: £1,500-£4,200 supply only
• Supply & fit adds £800-£2,200 labour depending on complexity

VG30E is a SOHC 3.0L V6 producing 160-180hp, while VG30DE is a DOHC version delivering 185-230hp; both are interference engines requiring strict timing belt maintenance to avoid catastrophic failure.

• VG30E: Single overhead cam, simpler, lower output
• VG30DE: Dual overhead cam, higher revving, more power
• Both use same block but different cylinder heads and valvetrain
• Timing belt replacement interval: every 60,000 miles for both

Yes, the RB20DET is an interference engine, meaning a snapped timing belt will cause valves to strike pistons, potentially destroying the cylinder head and requiring full engine replacement.

• Interference design demands preventative belt replacement
• Recommended belt change interval: 60,000 miles or 5 years
• Always replace tensioner and water pump during belt service
• Keep records of belt changes for resale and warranty purposes

Your Leopard's engine code is stamped on the block near the cylinder head; common codes include RB20DET (2.0 turbo), VG30E (3.0 SOHC), VG30DE (3.0 DOHC), and VQ30DE (Y33 3.0 V6).

• Check engine bay sticker or VIN decoder for code confirmation
• F31 models use RB or VG codes; Y33 models use VQ codes
• Engine code determines compatible replacement options
• Provide code when requesting quotes to ensure correct fitment

Yes, the RB25DET from R33/R34 Skyline can be swapped into an F31 Leopard with custom mounts and ECU adaptation, offering a popular performance upgrade over the stock RB20DET.

• RB25DET shares architecture with RB20DET but has 2.5L displacement
• Requires custom engine mounts and wiring harness adaptation
• ECU remap essential for reliable operation post-swap
• Budget £3,000-£6,000 for professional conversion including labour

Yes, the Infiniti M30's VG30E engine is identical to the F31 Leopard VG30E, making M30 donors a viable and often more available source for Leopard engine replacements in the UK.

• M30 VG30E shares block, heads and ancillaries with Leopard VG30E
• ECU and wiring may require minor adaptation for Leopard chassis
• M30 engines often more readily available in UK breaker yards
• Always verify compression and service history before purchase

VG30DE oil leaks typically stem from age-hardened valve cover gaskets, camshaft seals or the rear main seal; while not immediately catastrophic, chronic leaks can lead to low oil levels and bearing damage.

• Valve cover gaskets harden and crack after 80k+ miles
• Rear main seal replacement requires gearbox removal
• Monitor oil level weekly if leaks are present
• Address leaks early to avoid costly bearing damage from oil starvation

Reconditioned Nissan Leopard engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty covering parts and labour for defects in materials or workmanship.

• Warranty valid at any UK specialist within our network
• Covers internal components, seals and gaskets against failure
• Does not cover damage from improper installation or maintenance
• Always retain invoice and warranty documentation for claims

EngineMarket connects you with vetted UK specialists who source and supply Nissan Leopard engines, including JDM import experts familiar with RB, VG and VQ families for F31 and Y33 models.

• Specialists understand JDM engine import regulations and documentation
• Network includes fitters experienced with Leopard chassis specifics
• Compare multiple quotes to find best value for your engine code
• All suppliers provide minimum 12-month warranty on rebuilt units