OEM Honda K20Z3 K24A2 K24A8 Upper Coolant Housing Hardware Kit (Gaskets and Bolts)

Replace missing, corroded, damaged, or reused upper coolant housing hardware with this custom Genuine OEM Honda/Acura service kit for K20Z3, and selected K24 applications. 

This kit combines the OEM gasket, two mounting bolts, flange nut, and special nut used around the upper coolant / water passage housing assembly on compatible K24 engines. It is useful when removing the housing for cooling-system service, engine work, or restoration and provides the related Genuine Honda mounting hardware in one package.

Features

• Genuine OEM Honda/Acura components

• Custom 5-piece hardware and gasket kit

• Includes the water passage / EGR passage gasket

• Includes two 8×45 mm flange bolts

• Includes one 8 mm flange nut

• Includes one OEM special nut

• Fits select K20Z3, K24A2, K24A4, and K24A8 applications

• Convenient kit for coolant housing removal and reinstallation

Vehicle Fitment

• 2004–2008 Acura TSX 2.4L – K24A2
• 2003–2007 Honda Accord 2.4L – K24A4 / K24A8
• 2006–2011 Honda Civic Si – K20Z3
  
• 2003–2011 Honda Element 2.4L – K24A4 / K24A8

Kit Components

• 1 × 18714-RAA-A01 — Water passage gasket

• 2 × 95701-08045-08 — 8×45 mm flange bolts

• 1 × 94050-08080 — 8 mm flange nut

• 1 × 90204-PH7-000 — special nut

5 pieces total

Important Fitment Note

This kit is intended for the upper coolant / water passage housing configuration that uses the listed OEM Honda part numbers.

K-Series engines can use different water passage and coolant housing configurations depending on engine, model, and year. Please confirm the listed parts for your exact application before ordering.

Installation Note

Clean the gasket mating surfaces before assembly and inspect the housing for corrosion or damage. Install the gasket in the correct orientation and follow the applicable Honda/Acura factory service procedure and torque specifications when tightening the mounting hardware.

What's Included

• 1 Genuine OEM Honda/Acura gasket

• 2 Genuine OEM Honda flange bolts

• 1 Genuine OEM Honda flange nut

• 1 Genuine OEM Honda special nut

• 5 pieces total

The coolant housing, sensors, hoses, thermostat, and other components shown in reference diagrams are not included.