About the Lexus V8 Engine

Enthusiasts consider the Lexus V8 engine a legend because of the performance it has delivered through all these years and that too in some of the most luxurious vehicles on the road. Even today in this used form, this Lexus V8 engine for sale here will give you a smooth driving experience and has still got impressive power. It is because of these features that it has been called the pinnacle of Japanese engineering.

This used Lexus V8 engine for sale can not only restore a classic Lexus but is also great if you need legendary power in your custom vehicle, swap project, or rebuild.

Engine Overview: Toyota / Lexus UZ Family V8 (Three Variants)

The Lexus V8 is the Toyota UZ engine family, one of the most acclaimed V8 engine families ever produced by any Japanese manufacturer. The UZ family includes three displacement variants:

2UZ-FE 4.7L V8 (1998-2014) , CURRENT STOCK VARIANT

• The truck-oriented UZ family member (per live page header):
• Displacement: 4.7L (4,664 cc)
• HP: 232 HP (early) to 282 HP (later VVT-i variants)
• Torque: 302 to 324 lb-ft

Construction: Cast iron block with aluminum cylinder heads (heavier duty for truck applications)

VVT-i: Added on intake camshafts from 2005+ for improved performance and emissions

Production: 1998-2014

Common Applications: Lexus LX470 (1998-2007), Lexus GX470 (2003-2009), Toyota Tundra 1st gen (2000-2006), Toyota Sequoia 1st gen (2001-2007), Toyota 4Runner V8 (2003-2009), Toyota Land Cruiser 100 Series (1998-2007)

The 2UZ-FE is famous for exceptional durability in heavy-duty applications. The cast iron block (chosen for truck/SUV applications) provides additional strength for towing, off-road use, and high mileage. Land Cruisers and LX470s with 300,000+ miles on original 2UZ-FE engines are common.

1UZ-FE 4.0L V8 (1989-2002) , THE LEGENDARY ORIGINAL

• The original UZ family engine that put Lexus on the world automotive map:
• Displacement: 4.0L (3,969 cc)
• HP: 250 HP (early) to 300 HP (later VVT-i variants)
• Torque: 260 to 310 lb-ft
• Construction: All-aluminum (block AND heads, lighter weight at ~430 lbs)
• VVT-i: Added 1997+
• Production: 1989-2002

Common Applications: Lexus LS400 (1989-2000), Lexus SC400 (1991-2000), Lexus GS400 (1998-2000), Toyota Crown Majesta JDM (1991-2004), Toyota Soarer V8 JDM (1991-2000)

The 1UZ-FE debuted in the 1989 Lexus LS400 and made automotive history , Lexus's entire reputation for refinement was built largely on the smoothness and durability of this engine. The 1UZ is also exceptionally popular for engine swaps due to its compact dimensions, smooth power delivery, all-aluminum construction, and abundant performance potential. 1UZ swaps are common in older Toyota trucks, Mazda RX-7s, Nissan 240SXs, and many other applications.

3UZ-FE 4.3L V8 (2000-2010) , THE SECOND-GEN LUXURY V8

• The 1UZ-FE successor in luxury Lexus applications:
• Displacement: 4.3L (4,293 cc)
• HP: 290 HP at 5,600 RPM
• Torque: 320 lb-ft at 3,400 RPM
• Construction: All-aluminum (block and heads)
• VVT-i: Standard from launch
• Production: 2000-2010

Common Applications: Lexus LS430 (2000-2006), Lexus GS430 (2001-2007), Lexus SC430 (2001-2010), Toyota Crown Majesta JDM (2004+)

The 3UZ-FE was the second-generation V8 for luxury Lexus models, replacing the 1UZ-FE in the LS430 and GS430. Smooth, refined, and powerful.

UZ Family Engineering Features

All UZ family variants share the following key engineering features:

90-Degree V8 Configuration: Standard V8 architecture for inherent crossplane crank smoothness

DOHC with 4 Valves per Cylinder (32 Valves Total): Modern multi-valve architecture

Sequential Multi-Port Electronic Fuel Injection: Precision fuel delivery

VVT-i (Variable Valve Timing-intelligent): On intake camshafts (1997+ on 1UZ-FE, 2005+ on 2UZ-FE, standard on 3UZ-FE)

• Lightweight Aluminum Heads: Improved heat dissipation
• Forged Crankshaft: Heavy-duty rotating assembly
• Coil-on-Plug Ignition (Later Variants): Modern ignition for performance and reliability
• Premium Fuel: 91 octane minimum, 93 recommended

Why the UZ Family is So Highly Regarded

The Toyota UZ family has earned its reputation as one of the most reliable V8 engine families ever produced. Reasons include:

Toyota Engineering: Designed by Toyota during the period when Toyota's reliability reputation was peaking

Robust Construction: Heavy-duty internals designed for 250,000+ mile service life

Conservative Power Output: Output ratings are well within the engine's mechanical limits, contributing to longevity

Quality Materials: All-aluminum construction (1UZ/3UZ) or iron block with aluminum heads (2UZ) provides excellent durability

Easy Maintenance: Timing belt service interval (90,000-100,000 miles on pre-VVT-i variants) is the only major scheduled service

Strong Aftermarket: Especially for 1UZ swaps, abundant aftermarket support

Modest Tuning: Well-suited for forced induction (1UZ supercharger and turbo builds common, capable of 500+ HP)

Many UZ engines outlast the vehicles they power. Land Cruiser 100 Series and LX470 examples with 300,000+ miles on original 2UZ engines are common, as are LS400s with 400,000+ miles on original 1UZ engines.

Common UZ Family Service Items (Honest Disclosure)

Honest disclosure of known service items:

Timing Belt Service (Pre-VVT-i 1UZ-FE, all 2UZ-FE through ~2007): Every 90,000-100,000 miles. Critical , interference engine, belt failure can damage valves. Service includes belt, tensioner, idler, water pump (driven by belt), and front seals. Many shops replace water pump preventively during timing belt service.

Timing Chain Service (Later VVT-i variants from ~2007+): Generally lasts engine life, occasional tensioner failures at very high mileage.

Starter Motor Failure (1UZ-FE specifically): The 1UZ-FE starter is mounted in the engine valley under the intake manifold and is difficult to access. Failure at high mileage requires intake manifold removal for replacement. Notorious 1UZ service item.

Exhaust Manifold Cracks (2UZ-FE): Some 2UZ-FEs develop exhaust manifold cracks at high mileage. Symptoms: tick noise on cold start.

Knock Sensor Failures: Occasional knock sensor failures producing check engine lights.

VVT-i Oil Control Valve: At high mileage, the VVT-i system's oil control valves can wear, causing oil consumption or cam timing issues.

Rear Main Seal Leaks: At very high mileage.

The UZ family is generally exceptionally durable when maintained per Toyota specifications. Premium fuel is mandatory.

Why Choose a Used Lexus V8 Engine?

• Cost savings vs reman ($1,999 used vs $4,500-$8,000 reman plus core)
• Variant matching , we identify whether you need 2UZ, 1UZ, or 3UZ for your application
• Legendary reliability , one of the most respected V8 families
• Cross-platform compatibility , wide range of donor vehicles
• Engine swap potential , especially 1UZ-FE for custom builds
• Strong aftermarket , parts and performance components widely available

Here at Vaz Auto Solutions, you'll find this Lexus V8 engine for sale at the most reasonable price possible, with variant identification (2UZ-FE / 1UZ-FE / 3UZ-FE), donor vehicle confirmation, all 8 cylinders compression tested, timing belt or chain condition assessed (critical UZ service item), and VVT-i function verified where applicable.

Vehicle Compatibility

2UZ-FE 4.7L Direct Fit (Current Stock Variant):

1UZ-FE 4.0L Direct Fit (Available on Request):

3UZ-FE 4.3L Direct Fit (Available on Request):

Condition and Inspection

Variant verified (2UZ-FE 4.7L, 1UZ-FE 4.0L, or 3UZ-FE 4.3L)

Donor vehicle confirmed (LX470, GX470, Tundra, Sequoia, 4Runner V8, Land Cruiser, LS400, SC400, GS400, LS430, GS430, or SC430)

• All 8 cylinders compression tested
• Oil pressure verified at idle and operating speed
• Timing belt condition assessed (critical for pre-VVT-i and pre-2007 variants)
• Timing chain condition assessed (later VVT-i variants from ~2007+)
• Water pump condition verified (often replaced with timing belt)
• VVT-i function verified where applicable (intake camshaft variable timing)
• Cylinder head condition assessed (aluminum heads, no warping/cracks)
• Spark plug condition documented (8 plugs)
• Coil-on-plug or coil-pack function verified
• Fuel injector operation tested
• Exhaust manifold condition checked (2UZ-FE crack inspection)
• Starter motor condition assessed (1UZ-FE specifically , difficult-access service item)
• Coolant system function verified
• Knock sensor condition assessed
• Miles from donor vehicle documented where available
• All 8 cylinders compression tested on every engine
• Variant correctly identified (2UZ-FE vs 1UZ-FE vs 3UZ-FE)
• Timing belt / chain condition assessed (critical UZ family service item)
• Water pump condition verified
• VVT-i function tested where applicable
• 1UZ-FE starter motor condition checked (notorious service item)
• 2UZ-FE exhaust manifold crack inspection
• Donor vehicle and mileage documented
• Cross-reference assistance across Lexus / Toyota UZ family applications
• Engine swap consultation for 1UZ / 2UZ / 3UZ projects
• Free freight pallet delivery to all 50 states
• 15 day replacement warranty on internal defects
• Toyota UZ family specialist support team