Keep your Honda or Acura cooling system assembled with the correct factory hardware using the Genuine Honda 90050-PNA-003 Special Thermostat Bolt. This OEM fastener is specifically designed to secure the thermostat assembly and thermostat case on a wide range of Honda and Acura applications.

Manufactured to Honda's original specifications, part number 90050-PNA-003 is a 6mm x 19mm special bolt designed as a direct replacement for the original thermostat housing hardware. Using genuine Honda hardware helps ensure the proper dimensions, shoulder design, and fitment when servicing the cooling system.

This bolt also supersedes the earlier Honda 90050-RAA-A01 special bolt in applicable configurations. Honda catalogs commonly specify three 90050-PNA-003 bolts for the thermostat assembly, although the required quantity should always be confirmed for the specific vehicle.

Features

• Genuine Honda OEM replacement part
• Honda Part Number: 90050-PNA-003
• OEM description: Bolt, Special (6x19)
• Commonly used as a thermostat case/thermostat assembly bolt
• 6mm x 19mm factory-style special bolt
• Direct replacement for the original Honda hardware
• Manufactured to Honda OEM specifications
• Correct factory-style shoulder and flange design
• Helps ensure proper thermostat housing assembly
• Ideal for thermostat, water pump, or cooling-system service
• Replaces/supersedes 90050-RAA-A01 in applicable Honda catalogs
• Used on numerous Honda and Acura K-Series applications
• Sold individually
• Many applications require 3 bolts; verify quantity for your vehicle before ordering

Common Applications

• 2002–2006 Acura RSX
• 2004–2014 Acura TSX
• 2007–2012 Acura RDX
• 2013–2015 Acura ILX applications
• 2002–2015 Honda Civic applications, including many Civic Si models
• 2002–2014 Honda CR-V
• 2003–2011 Honda Element
• Various Honda Accord applications

Specifications

• Manufacturer: Honda
• Part Number: 90050-PNA-003
• Product Type: Thermostat Case / Assembly Bolt
• OEM Description: Special Bolt (6x19)
• Size: 6mm x 19mm
• Fitment Type: Direct Replacement
• Supersedes: 90050-RAA-A01
• Quantity: 1 bolt per package/listing

Fitment Note: 

• Honda uses this bolt in multiple cooling-system configurations, and exact usage can vary by engine, model year, and thermostat housing manufacturer. Verify part number 90050-PNA-003 against your VIN or original hardware before ordering. The bolt is sold individually; applications requiring three bolts will need a quantity of three.