Toyota 3GR‑FE 3.0L V6 engine with automatic gearbox, ECU, and wiring

Overview
The Toyota 3GR‑FE 3.0L V6 engine is a smooth and reliable power unit, engineered for efficient performance and daily usability. A member of Toyota’s advanced GR engine family, this 3.0‑litre V6 features an all‑aluminium construction, dual overhead camshafts (DOHC), and intelligent variable valve timing (VVT‑i) for optimized power delivery and efficiency. Paired with its original automatic transmission, factory ECU, and complete wiring harness, this engine package offers a plug‑and‑play solution ideal for conversions, replacements, or custom builds.

Key Features

3.0L V6 DOHC Engine – 2,994cc naturally aspirated aluminium engine offering the ideal balance of power, refinement, and fuel economy.

VVT‑i (Variable Valve Timing) – Continuously adapts to driving conditions for smoother throttle response, improved fuel efficiency, and reduced emissions.

Matched Automatic Gearbox – Factory-paired transmission ensures seamless shifts and optimal performance under all load conditions.

Complete ECU & Wiring Harness – Supplied with the original engine management system, enabling simplified integration and dependable operation.

Toyota Engineering Quality – Built with high-grade materials and precision manufacturing for long-term durability and minimal maintenance.

Performance & Applications
The 3GR‑FE was widely utilized across Toyota’s premium vehicle range, offering refined, responsive V6 performance in both rear‑ and all‑wheel drive platforms.

Toyota Crown & Mark X – Standard in select Asia-market sedans, known for quiet operation, driving comfort, and reliable performance.

Engine Swaps & Conversions – A strong candidate for rear-wheel-drive builds or modern upgrades from smaller engines, offering a complete and reliable factory package.

Project Vehicles – Perfect for builders and restorers seeking a hassle-free powertrain solution with OEM reliability.

Why Choose the Toyota 3GR‑FE Engine Package?

Toyota’s proven V6 performance with daily drivability.

Comes ready with factory-matched gearbox, ECU, and wiring.

VVT‑i system supports consistent, fuel-efficient power delivery.

Plug-and-play simplicity ideal for custom builds and replacements.

Trusted Japanese reliability with refined, smooth engine characteristics.

Conclusion
The Toyota 3GR‑FE 3.0L V6 engine with automatic gearbox, ECU, and wiring harness is a comprehensive and dependable powertrain solution. Designed for straightforward installation and long-term use, it’s an excellent choice for anyone upgrading, restoring, or swapping in a robust, OEM-spec engine. Whether for a Toyota Crown, a custom RWD project, or a practical daily driver, this complete package delivers the quality and ease that Toyota engineering is known for.