Premium 2.5L Inline-4 Diesel Cylinder Block for Nissan

Our high-quality aftermarket YD25 engine cylinder block is precision-engineered for the renowned Nissan YD25 2.5L inline-4 diesel engine (including YD25DDTi, YD25DCI variants). Crafted to meet strict OEM specifications, it serves as a robust and reliable foundation for engine rebuilds, repairs, and performance upgrades. This block is designed to restore the performance and longevity of Nissan pickup trucks, SUVs, and light commercial vehicles that rely on the durable YD25 powerplant, ensuring consistent operation even under heavy loads, turbocharged pressure, and long-mileage conditions—backed by the engine’s legendary 300,000+ km service life potential

Key Specifications

Material: High-grade cast iron for superior strength, rigidity, and thermal stability, capable of withstanding high combustion pressures and turbocharged stress

Configuration: Inline 4-cylinder (Straight-4) design, matching the original YD25 engine layout with a cast-iron block and compatible with aluminium cylinder heads

Displacement: 2,488 cc (2.5L), strictly aligned with OEM standards for all YD25 variants.

Bore & Stroke: Standard 89.0 mm × 100.0 mm, ensuring perfect compatibility with original pistons, crankshafts, and connecting rods.

Main Bearings: 5-bearing support structure for enhanced crankshaft stability and smooth operation, even under high torque output (up to 450 N·m).

Lubrication & Cooling: Precision-machined oil galleries and cooling water jackets for optimal oil flow and heat dissipation, preventing overheating and wear—critical for turbocharged YD25DDTi models with intercoolers.

Fitment: Direct OEM replacement, no modifications required for installation, compatible with both common rail and VP44 injection system variants of the YD25 engine.

Core Advantages

Turbo-Ready Durability: Thick-walled cast iron construction resists warping, cracking, and wear, specifically engineered to handle the increased pressure of turbocharged YD25DDTi models (equipped with Garrett or BorgWarner turbochargers) and heavy-duty commercial use.

Precision Manufacturing: CNC-machined to tight tolerances, ensuring a seamless fit with OEM and aftermarket engine components (pistons, bearings, gaskets) for consistent performance and easy assembly.

Hassle-Free Installation: Direct replacement design, fully compatible with original engine mounts, accessories, and fuel systems (common rail or VP44 injection), reducing repair time and labor costs.

Cost-Effective Reliability: Offers OEM-equivalent quality at a competitive price, perfect for fleet maintenance, engine overhauls, and DIY rebuilds—restoring the YD25’s legendary durability and 300,000+ km service life potential.

Versatile Compatibility: Suitable for all YD25 variants, including YD25DDTi (VP44 and common rail), YD25DCI, and fits a wide range of Nissan vehicles with 2.5L diesel engines.

Applications

Widely compatible with Nissan models equipped with the YD25 2.5L diesel engine, including but not limited to:

Nissan Navara (D22, D40) Pickup/Frontier

Nissan Pathfinder (R51)

Nissan NV350 Caravan (E26)

Nissan Presage/Bassara

Nissan Murano (2nd Generation Z51)

Light commercial trucks and utility vehicles powered by YD25 engines (including Cabstar)

Why Choose Our YD25 Cylinder Block?

Engineered for the demands of commercial use, off-roading, and daily utility, our YD25 cylinder block is built to restore your Nissan engine’s original performance and reliability. Designed to accommodate the YD25’s variable turbocharging systems (Garrett, IHI, BorgWarner) and high torque output, it ensures long-lasting, trouble-free operation—whether you’re maintaining a fleet of work trucks, rebuilding a personal SUV, or servicing a commercial vehicle. Backed by quality craftsmanship, it’s the ideal foundation for your YD25 engine’s longevity.

Built for turbo power, designed for longevity—your YD25 engine’s perfect foundation.

3-Line Short Version (For Product List Page)

1. YD25 engine cylinder block, made of high-grade cast iron, fits Nissan 2.5L inline-4 diesel engines (YD25DDTi/DCI) perfectly.

2. Precision CNC machined, turbo-ready, with optimized oil and cooling channels, ideal for heavy-duty and long-mileage use.

3. Direct OEM replacement, reliable quality, perfect for engine rebuilds of Nissan Navara, Pathfinder & commercial vehicles.