Infiniti VK45DE 4.5L V8 Engine – 2006–2010 M45 / FX45 RWD Motor Only | JDM Performance Replacement

Revive the raw power and luxury performance of your Infiniti M45 or FX45 with this premium VK45DE 4.5L V8 engine, sourced directly from high-quality Japanese Domestic Market (JDM) vehicles. This engine is the heart of Infiniti’s flagship models and delivers robust performance, reliability, and a driving experience that’s nothing short of exhilarating.

The VK45DE is a naturally aspirated DOHC V8 engine producing 340+ horsepower with variable valve timing, forged steel crankshaft, and a lightweight aluminum block. Built for smooth acceleration and long-lasting durability, it’s a favorite for not only Infiniti restorations but also custom RWD V8 swap projects. Whether you’re replacing a tired engine or building a performance sleeper, this is the motor enthusiasts trust.

Vehicle Compatibility:

• 2006–2010 Infiniti M45 (Y50)

• 2006–2008 Infiniti FX45 (S50)
  RWD models only

What’s Included:
This is a complete long block engine (motor only), featuring the intake manifold, coil packs, fuel rails, and necessary sensors — all components pictured. Transmission, ECU, and accessories are not included unless otherwise noted.

Why Buy from J-Spec Auto Sports?
At J-Spec Auto, we pride ourselves on delivering hand-selected, compression-tested JDM engines with verified mileage and reliable import history. Each VK45DE is inspected for quality and sold with a startup warranty for peace of mind. With nationwide shipping and expert customer service, we’ve built our reputation as the trusted source for used Japanese engines and swaps.

Don’t settle for rebuilds or junkyard pulls — upgrade with confidence. This VK45DE engine is a powerful solution for Infiniti owners and V8 swap builders looking for OEM performance without compromise.

Upgrade or replace your V8 powertrain with this VK45DE 4.5L V8 engine, removed from a right-hand drive Japanese-market Infiniti (Nissan) M45 or FX45.

Vehicle Compatibility:

• 2006, 2007, 2008, 2009, 2010 Infiniti M45 (Y50)

• 2006, 2007, 2008 Infiniti FX45 (S50)
  Rear-Wheel Drive (RWD) Models Only

Engine Specs:

• Engine Code: VK45DE

• 4.5L DOHC V8 – Naturally Aspirated

• Aluminum block, forged steel crankshaft

• VTC (Variable Timing Control)

• 340+ HP potential with tuning

Included:

• Complete Long Block (engine only)

• Intake manifold, injectors, fuel rail

• Coil packs, sensors (as pictured)

• No transmission, ECU, or accessories included unless otherwise noted

Condition:

• Used JDM Import

• Compression tested

• 90-day start-up warranty (where applicable)

  • VK45DE engine for sale

  • Infiniti M45 engine replacement

  • Infiniti FX45 4.5L V8 engine

  • JDM VK45DE motor

  • Used VK45DE engine RWD

  • 2006–2010 Infiniti M45 engine

  • Infiniti 4.5L V8 engine VK45DE