Spectra 4401-1802 Intercooler

Spectra 4401-1802 Intercooler for Civic

The Spectra 4401-1802 intercooler is built for 2016-2021 Honda Civic applications that use a front-mounted charge-air cooling setup. It is designed to reduce pressure drop while improving heat dissipation, helping the turbocharged engine maintain efficient operation.

With an aluminum tube-and-fin core, silver finish, and plastic inlet tank material, this intercooler is built around the dimensions and connection sizes needed for a direct replacement on the listed Civic fitment.

Key Features

• Fits 2016-2021 Honda Civic
• Part number: 4401-1802
• Tube & fin intercooler design
• Aluminum core construction with silver finish
• Single-row core design
• Female inlet and outlet fittings
• 1.8125 in. (46 mm) inlet and outlet size
• Core dimensions: 27.9375 in. height, 4.4375 in. length, 2.5 in. thickness

Detailed Description

Spectra Premium intercoolers are engineered to manage charge-air temperatures by moving heat out of the compressed air stream efficiently while keeping airflow restriction low. This Spectra 4401-1802 intercooler uses a tube-and-fin aluminum core to support heat dissipation and pressure control in turbocharged systems. For drivers searching for a 2016-2021 Honda Civic intercooler replacement, this unit matches the listed inlet and outlet sizing and is built for the Civic application shown in the fitment data. The 4401-1802 part number is also a useful reference when verifying the correct replacement before ordering.

This part cross-references Anchor 6084 and Gates 18061 for the same application.

What It Helps Address

• Reduced charge-air cooling efficiency from a damaged or restricted intercooler
• Pressure loss in the turbocharger air path
• Heat buildup in the intake charge under load
• Fitment issues when replacing a worn Honda Civic intercooler
• Airflow disruption caused by a cracked or leaking core

Installation Notes and Tips

Verify the inlet and outlet sizes, core dimensions, and female fitting configuration before installation. Confirm the vehicle is a 2016-2021 Honda Civic and compare the original intercooler layout to the Spectra 4401-1802 unit to ensure proper alignment with the charge-air plumbing. Inspect adjoining hoses, clamps, and seals for wear before reassembly so the replacement intercooler can perform as intended.

Quality Assurance

Spectra Premium positions this intercooler as a performance-focused replacement built to support efficient turbocharger operation through improved heat dissipation and reduced pressure drop. The aluminum core construction and application-specific sizing reflect a design centered on OE-style fit and function for the listed Civic models.