Engine Parts Head Bolt Kit Compatible with Sentra Frontier Equator QR25DE YD25DDTi 2.5L L4 Gas ES72198 02-10

This head bolt kit is compatible with 2.5L L4 engines, including the QR25DE and YD25DDTi engine models.It fits the following vehicles: Sentra (2002–2009), Frontier (2005–2009), Equator (2009–2010), and Navara (with YD25DDTi engine).The kit includes all necessary head bolts for cylinder head installation or replacement.Part number ES72198 is used for identification and reference.Other reference numbers include HB221, GS33509, HBD42, and 81031300.Installation follows standard factory procedures and is designed to restore function.

• Model Compatibility: Fits Sentra and Frontier models, as well as Equator, equipped with the 2.5 L QR25DE or YD25DDTi inline-four engine from model years 2002 to 2010.
• Engine Specification: Designed for 2.5L L4 engines only, matching the displacement, cylinder configuration, and fuel type specified in the application.
• Part Function: Replacement head bolt kit intended to restore fastening function for cylinder head assembly on compatible 2.5L engines.
• Application Scope: Matches the ES72198 part designation and is intended solely for use where the factory head bolt configuration corresponds to this specification.
• Installation Requirement: Must be installed according to factory-specified torque sequence and values for the QR25DE or YD25DDTi 2.5L L4 engine applications listed.