<p><strong>Cylinder Head Gasket — Grade 5</strong> for Toyota Land Cruiser and Land Cruiser Prado (HZJ, HDJ-series), all powered by the 1HZ — 4.2L I6 Diesel.</p> <p>This is the Grade 5 gasket — the thickest version available and the recommended choice when a direct replacement is needed without prior piston protrusion data. Piston protrusion <strong>must be measured at each cylinder</strong> before installation to confirm adequate clearance.</p> <h3>Gasket Selection by Piston Protrusion</h3> <p><strong>1HZ engine:</strong> Grade 5 — use for piston protrusions between <strong>0.556 – 0.655 mm</strong></p> <p><strong>1HZ-T / 1HD-T engines:</strong> Grade 5 — use for piston protrusions between <strong>0.626 – 0.725 mm</strong></p> <h3>Complete the Job Right</h3> <p>A proper head gasket replacement also requires new head bolts and a full top-end gasket set (Valve grind version or complete engine set). See related products below.</p> <h3>Fitment</h3> <p><strong>Toyota Land Cruiser Prado</strong></p> <ul> <li>HZJ70, HZJ70V, HZJ71, HZJ71V, HZJ73HV, HZJ73V, HZJ74K, HZJ74V, HZJ75, HZJ76K, HZJ76V, HZJ77HV, HZJ77V, HZJ79</li> </ul> <p><strong>Toyota Land Cruiser</strong></p> <ul> <li>HZJ105L, HZJ105R</li> <li>HZJ70LV, HZJ70R, HZJ70RV, HZJ71L, HZJ71R, HZJ73LV, HZJ74L</li> <li>HZJ75LP, HZJ75LV, HZJ75RP, HZJ75RV</li> <li>HZJ76L, HZJ76R, HZJ78L, HZJ78R, HZJ79L, HZJ79R</li> <li>HZJ80R</li> <li>HDJ81</li> </ul> <h3>Engine Compatibility</h3> <ul> <li>1HZ — 4.2L I6 Naturally Aspirated Diesel</li> <li>1HD-T - 4.2L I6 Turbocharged Diesel</li> </ul> <p>Toyota part numbers: 11115-17010-05 / 11115-17040-05</p>