1HD Engine Cylinder Block

The 1HD series engine block is precision-manufactured from high-strength cast iron, conforming to original equipment manufacturer (OEM) specifications and compatible with 1HD-T/FT/FTE engine models. It undergoes rigorous CNC machining, direct-mount installation, and boasts high strength and excellent heat dissipation, ensuring reliable operation under heavy loads and long mileage. Suitable for engine overhauls and complete engine rebuilds in Toyota Land Cruiser, Coaster, and other models, offering stable quality and high cost-effectiveness.

### 1HD Engine Cylinder Block Premium Replacement Cylinder Block for Toyota 4.2L Inline-Six Diesel Engines #### Product Overview This is a high-quality aftermarket cylinder block designed for the legendary Toyota 1HD series diesel engines (including 1HD-T, 1HD-FT, and 1HD-FTE). It serves as a robust foundation for engine rebuilds, repairs, and performance upgrades, perfectly matching the specifications of the original 4.2L (4,164 cc) inline-six powerplant renowned for its reliability in Toyota Land Cruiser (HDJ80, HDJ100) and Coaster vehicles. #### Key Specifications - Material: High-grade cast iron for exceptional strength, rigidity, and heat resistance. - Configuration: Inline 6-cylinder (Straight-6). - Bore: Standard 94.0 mm (3.70 in). - Stroke: Standard 100.0 mm (3.94 in). - Displacement: 4,164 cc (4.2L). - Compression Ratio: Compatible with 18.6:1 & 18.8:1. - Main Bearings: 7-bearing support design for superior crankshaft stability. - Lubrication & Cooling: Precision-engineered oil galleries and water jackets for optimal lubrication and heat dissipation. - Crankcase: Ladder-frame main bearing cap structure for enhanced rigidity. #### Core Advantages 1. Unmatched Durability: Constructed from thick cast iron to withstand extreme combustion pressures, heavy loads, and high-mileage operation. 2. Precision Manufacturing: CNC-machined to tight tolerances, ensuring a perfect fit for OEM and performance components (crankshaft, pistons, bearings). 3. Direct OEM Fitment: Designed as a direct replacement, simplifying installation and ensuring compatibility with original engine mounts, accessories, and gaskets. 4. Superior Vibration Damping: The inline-six design and rigid cast iron structure deliver inherently smooth operation with minimal vibration. 5. Cost-Effective Reliability: Offers OEM-equivalent quality at a competitive price, ideal for restoring the legendary longevity of 1HD-powered vehicles. #### Applications - Toyota Land Cruiser HDJ80 (1990-1995) - Toyota Land Cruiser HDJ100 (1998-2007) - Toyota Coaster Bus (HDB20/30/50) - Suitable for engine rebuilds, overhauls, and performance upgrades for 1HD-T, 1HD-FT, and 1HD-FTE variants. #### Why Choose Our 1HD Cylinder Block? Engineered for the most demanding off-road, commercial, and long-distance applications, this cylinder block is the cornerstone of a dependable and powerful 4.2L diesel engine. Whether you're restoring a classic Land Cruiser or maintaining a fleet of Coaster buses, our block ensures your engine runs reliably for hundreds of thousands of kilometers. Built for durability, engineered for performance—your 1HD engine's perfect foundation. ---