New Quality 5.7L V8 3UR Long Block Replacement Engine
If you are searching for a reliable 3UR long block for a professional engine replacement, WideEngine supplies a brand-new, fully assembled solution engineered to match OEM specifications. This 5.7L V8 unit is designed as a direct replacement for the Toyota 3UR-FE engine platform used in full-size Toyota and Lexus trucks and SUVs.
WideEngine focuses on the B2B replacement market. Our 3UR long block is not a salvage pull-out or a basic rebuild. It is a new engine assembly produced to OEM-level machining standards and quality control processes, ensuring precise fitment and stable long-term operation.
Key Features include:
- New fully assembled 3UR long block
- OEM-spec machining tolerances
- Direct replacement compatibility
- Stable supply for professional buyers
- Quality control before shipment
What Is Included in the 3UR Long Block
This 3UR long block engine is delivered fully assembled and ready for installation with your existing external components.
The assembly includes:
- New assembled cylinder block
- New Forged crankshaft
- New Connecting rods and pistons
- New assembled cylinder heads
- New Camshafts and valvetrain components
- New Timing system components
Each internal component is installed, torqued, and inspected according to factory specifications. Critical tolerances such as bearing clearances, deck flatness, and cam timing alignment are verified before shipment.
This configuration allows repair shops to transfer intake, exhaust, fuel, and accessory systems from the original engine. The result is a clean and efficient replacement process.
Performance Specifications
The 3UR-FE engine platform is known for its strong low-end torque and durability. In stock configuration, it produces approximately 381 horsepower and 401 lb-ft of torque depending on application.
WideEngine 3UR long block assemblies maintain factory compression ratio and cam timing specifications. This ensures compatibility with original ECU calibration and emissions systems.
No tuning changes are required when installed in a stock vehicle configuration.
Order Your 3UR Long Block Today
If your workshop needs a high-quality 3UR long block for Toyota or Lexus 5.7L V8 applications, WideEngine provides a professional solution.
Contact our team with engine code, VIN details, and destination information. We will confirm compatibility and provide a formal quotation.
WideEngine 3UR long block engines deliver OEM-level performance, new component reliability, and installation confidence for demanding repair environments.
3UR Long Block Engine Applications
The 3UR-FE 5.7L V8 is widely used in:
- Toyota Tundra
- Toyota Sequoia
- Toyota Land Cruiser
- Lexus LX570
WideEngine 3UR long block units are configured to match original factory mounting points, sensor ports, and oil passages. This ensures compatibility across applicable model years without modification.
Before ordering, engine VIN code and production year should always be verified to guarantee correct configuration.
WideEnigne 3UR Long Block Engine in Detail
New 3UR Engine vs Remanufactured Engine
Many suppliers offer remanufactured or rebuilt 3UR long block engines. These typically reuse major cast components such as the engine block and cylinder heads. Although machining is performed, the foundation is still a previously used core.
The WideEngine 3UR long block is new. The block castings and rotating assembly components are not recycled from high-mileage engines. This eliminates concerns related to prior overheating, micro-cracks, or structural fatigue.
For professional repair facilities, this difference reduces comeback risk and improves customer confidence.
OEM-Level Machining and Assembly Standards
OEM-level replacement means more than external appearance. It refers to measurable tolerances and controlled assembly processes.
WideEngine applies:
- CNC precision machining for deck surfaces and bores
- Dynamic balancing of crankshaft assemblies
- Pressure testing of cylinder heads
- Valve seat concentricity inspection
- Oil passage cleaning and verification
These processes ensure oil pressure stability, compression consistency, and proper thermal management.
The result is smooth idle performance, predictable power delivery, and long service life under heavy load conditions.
Common Reasons for 3UR Engine Replacement
The 3UR-FE is generally durable. Replacement is typically required due to:
- Severe overheating
- Oil starvation
- Internal bearing damage
- Timing chain failure
- High-mileage wear
In these cases, installing a complete 3UR long block is often more efficient than rebuilding a damaged core. Labor time is reduced. Downtime is minimized. Risk of hidden internal damage is eliminated.
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