Product Description — Nissan TD42 Cylinder Head Assembly

• Engine Family & Configuration
  The Nissan TD42 is a 4.2 L inline‑6 diesel engine in production since 1987, recognized for its rugged simplicity and longevity. It features a cast iron block and cast iron cylinder head, with a SOHC (single overhead camshaft) design and 12 valves, driven by timing gears rather than belts or chains WikipediaMyMotorList.com |.

• Technical Specifications

  • Displacement: 4,169 cc

  • Power Output: ~115–125 hp (naturally aspirated), with turbo versions (TD42T) reaching 145–160 hp; torque ranges from ~265–275 Nm to 330–340 Nm depending on variant MyMotorList.com |njglobalautoparts.com.

  • Valvetrain: 12 valves (2 per cylinder); hydraulic lifters are not used MyMotorList.com |.

  • Drive System: Timing gears ensure durable valve operation.

• Assembly Options
  You can find both bare cast cylinder heads and fully assembled cylinder head units (including valves, springs, seals, and sometimes gaskets and head bolts). For example:

  • ETP’s assembled kit, complete with a gasket set and head bolts, tailored for TD42 engines Gold Coast Patrols.

  • Mace Engineering's assembled head compatible with TD42, TD42T, and TD42Ti variants, pre-fitted with all necessary components for straightforward installation maceengineering.com.au.

Compatible Vehicles & Applications

The TD42 cylinder head supports a range of Nissan vehicles and industrial applications:

Summary Table