SecosAutoparts Coolant Thermostat Housing for Honda Civic 2002–2005, CR‑V & RSX Direct-Fit OEM-Style 19320-PNA-003

Replacement coolant thermostat housing by SecosAutoparts designed to restore proper coolant routing and fit directly into Honda Civic (2002–2005 2.0L), CR‑V (2002–2006 2.4L) and Acura RSX (2002–2006 2.0L) models using OEM-style part numbers 19320‑PNA‑003 / 19301‑PNA‑003.

This thermostat housing is a ready-to-install engine cooling component engineered to match the dimensions and mounting points of the referenced factory parts. Built and inspected before shipping, it is intended to replace worn, cracked, or leaking housings that can allow coolant loss or improper thermostat operation. The unit is supplied as a direct-fit aftermarket replacement by SecosAutoparts and should be checked for compatibility against your vehicle’s VIN and engine specification prior to purchase.

How will this housing fit my Honda or Acura?

The housing is manufactured to align with the bolt pattern and coolant passages of the original equipment parts 19320‑PNA‑003 and 19301‑PNA‑003. It targets the specific engines and model years listed to minimize modification or additional adapters. Always verify fitment against your vehicle’s engine code and part number to ensure a correct match.

• Fitment: Honda Civic 2002–2005 2.0L; CR‑V 2002–2006 2.4L; Acura RSX 2002–2006 2.0L.
• Manufacturer part numbers referenced for direct cross-checking.
• Designed to match OEM mounting points and coolant hose connections.

What materials and quality checks are used?

SecosAutoparts emphasizes consistent workmanship and factory inspection to help deliver stable, long-term service. Components are visually and functionally tested on equipment before leaving the factory. The product is rechecked prior to shipping so customers receive a unit free from obvious defects.

• Manufacturing inspection performed before shipping.
• Pre-shipment check for fit and finish to reduce returns.
• Constructed to meet expected dimensional tolerances for a direct-fit replacement.

How do I install and when should I replace the housing?

Installation typically involves draining part of the cooling system, removing the old housing and thermostat, swapping in the new housing with a fresh gasket or seal, and refilling the coolant. Replace the housing when you notice coolant leaks, cracks, warped flanges, or if the housing won’t seal properly after thermostat service. If you are not experienced with cooling system work, consider professional installation to avoid air pockets or incorrect torque on bolt passages.

• Drain coolant to safe level before removal.
• Use new gasket/seal and torque bolts to factory specs.
• Bleed the cooling system to remove trapped air after installation.

What should I check before buying?

Confirm that the part numbers 19320‑PNA‑003 or 19301‑PNA‑003 correspond to your vehicle’s original part. Inspect the listing photos and compare mounting points and hose diameters with the housing on your car. Reach out to the seller with your vehicle year, engine size, and VIN if you need additional confirmation.

• Match listed part numbers to your OEM reference.
• Compare hose and bolt locations visually before purchasing.
• Contact SecosAutoparts for fitment questions if uncertain.

Who is this for: This SecosAutoparts thermostat housing is suitable for owners and mechanics who need a direct-fit replacement for the specified Honda Civic, CR‑V, and Acura RSX years and engine sizes. It’s aimed at anyone replacing a leaking or damaged housing during routine cooling system maintenance or thermostat service, and for buyers who prefer a product inspected before shipment. If you require absolute OEM branding or dealer-sourced parts, confirm your preference before ordering.