Toyota 3UZ-FE 4.3L V8 engine with gearbox included

Overview
The Toyota 3UZ-FE 4.3L V8 engine with gearbox is a high-performance, naturally aspirated petrol powertrain known for its smooth operation, durability, and refined engineering. Paired with its original automatic transmission, this engine package delivers seamless power delivery and long-term reliability. Designed for luxury and performance vehicles, the 3UZ-FE is well-suited for engine conversions and upgrades where smooth V8 power and proven drivetrain reliability are essential.

Key Features
4.3L V8 Petrol Engine – The 3UZ-FE features a 4.3-liter displacement with an all-aluminum V8 layout, delivering a smooth, refined driving experience with strong mid-range torque and high-revving capability.
DOHC with VVT-i (Variable Valve Timing) – Equipped with dual overhead camshafts and Toyota’s VVT-i system, the engine provides improved efficiency, responsive throttle performance, and reduced emissions across a wide RPM range.
Electronic Fuel Injection – The 3UZ-FE uses multi-point electronic fuel injection to ensure precise fuel delivery, contributing to clean combustion, dependable performance, and strong fuel economy for its class.
Paired Automatic Gearbox – This engine comes complete with its original automatic gearbox, offering seamless shifting, refined gear ratios, and compatibility with the engine’s powerband for optimal performance and reliability.
Built for Longevity – Known for its robust construction, the 3UZ-FE is built with forged internals, an aluminum block with cast iron liners, and quality components that contribute to its long service life and minimal maintenance needs.

Performance & Applications
The 3UZ-FE engine with gearbox is widely used in Toyota and Lexus luxury models, where its blend of smooth power and mechanical reliability made it a leading V8 option. It is also a popular choice for performance swaps and custom builds.

Lexus LS430 (2000–2006) – The 3UZ-FE powers the Lexus LS430 luxury sedan, offering quiet, refined performance with excellent reliability. The matched gearbox ensures smooth and precise shifts for premium driving comfort.
Toyota Crown Majesta (UZS18x) – Found in upper-tier Toyota Crown variants, the 3UZ-FE delivers executive-level smoothness and consistent V8 torque.
Popular for Conversions – The engine and gearbox combination is widely used in performance conversions and restomods due to its compact V8 size, dependable electronics, and well-supported aftermarket.

Why Choose the Toyota 3UZ-FE 4.3L V8 Engine with Gearbox?
Power with Refinement – The 3UZ-FE offers a smooth and responsive driving experience, combining strong low-end torque with high-revving capability for both comfort and performance.
Reliable & Durable – Built to Toyota’s exacting standards, the 3UZ-FE is known for long service intervals and strong internal durability, even under load.
Complete Powertrain Solution – With the original automatic gearbox included, this engine package provides easy integration for conversions, swaps, or replacements, minimizing compatibility issues.
Low Maintenance Requirements – The engine’s simple, durable construction and wide parts availability make it easy and cost-effective to maintain over time.
Versatile Use – Suitable for luxury vehicle restorations, drift or performance builds, and high-end custom projects where a reliable V8 is needed.

Conclusion
The Toyota 3UZ-FE 4.3L V8 engine with gearbox is a high-quality powertrain offering smooth V8 performance, outstanding reliability, and long-term value. Ideal for both OEM replacements and engine swap projects, it provides refined power, dependable operation, and ease of integration with its original automatic transmission. Backed by Toyota’s reputation for engineering excellence, the 3UZ-FE remains a top choice for drivers and builders seeking a versatile and proven V8 solution.