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Spectra 4401-1803 Intercooler
| Brand | Spectra 4401-1803 |
|---|---|
| Color | Silver |
| Core Height | 27.9375 |
| Core Height | 710 |
| Core Thickness | 2.5 |
| Core Thickness | 64 |
| Core Material | Aluminum |
| Inlet Fitting Gender | Male |
| Outlet Fitting Gender | Female |
| Core Length | 128 |
| Core Length | 5.0625 |
| Inlet Tank Material | Plastic |
| Core Row Quantity | 1 |
| Cap Included | No |
| Components Included | Intercooler |
| Design | Tube & fin |
| Inlet Size (IN) | 2.3125 |
| Inlet Size (MM) | 59 |
| Number of Inlets | 1 |
| Outlet Inside Diameter (MM) | 65 x 40,5 |
| Outlet Quantity | 1 |
| Fits | Acura and Honda · 7 vehicles |
Tube and fin design. Helps minimize pressure drop and improve heat dissipation.
Aluminum core. Lightweight construction promotes efficient cooling performance.
Intercooler function. Supports turbocharger power output and engine operating efficiency.
Cross-references Bosch 18108, 197106A0A01 and 197106B2A01 for the same application. See all 5.
Spectra 4401-1803 Intercooler Overview
The Spectra 4401-1803 intercooler is built for turbocharged applications that need controlled charge-air temperatures and efficient airflow through the cooling core. It is a direct-fit style replacement for select Honda Accord and Acura RDX applications, with an aluminum tube-and-fin core and plastic inlet tank construction.
- Aluminum core with tube-and-fin design
- Core dimensions: 27.9375 in. height, 5.0625 in. length, 2.5 in. thickness
- Silver finish
- 1-row core construction
- 1 inlet and 1 outlet configuration
- Male inlet fitting and female outlet fitting
- 59 mm inlet size
- Outlet inside diameter: 65 x 40.5 mm
- Plastic inlet tank material
- Part number: 4401-1803
Fitment and Application Details
Compatible with 2018-2022 Honda Accord and 2019-2021 Acura RDX, this intercooler supports factory-style replacement needs for vehicles equipped with turbocharged cooling systems. The Spectra 4401-1803 is engineered to reduce pressure drop while improving heat dissipation, helping the turbocharger deliver consistent charge-air cooling under load. If you are searching for a Honda Accord intercooler replacement or an Acura RDX intercooler by part number 4401-1803, this unit matches the listed applications.
This part cross-references Bosch 18108 for the same application.
What This Intercooler Helps Address
- Elevated intake air temperatures from a worn or inefficient intercooler
- Reduced charge-air cooling performance in turbocharged operation
- Pressure loss across the intercooler core
- Cracked, leaking, or damaged factory intercooler assemblies
- Fitment replacement needs for 2018-2022 Honda Accord and 2019-2021 Acura RDX
Installation Notes and Quality
Verify inlet and outlet orientation, fitting sizes, and mounting points against the original unit before installation. Confirm vehicle application by year, make, and model, especially when sourcing a Honda Accord intercooler or Acura RDX intercooler replacement. Spectra Premium positions this intercooler as a replacement component focused on airflow efficiency and heat dissipation for turbocharged systems.
Part number 4401-1803 is listed for 2018-2022 Honda Accord and 2019-2021 Acura RDX applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Honda | Accord | 2.0L | L4 | N/A | — |
| 2021 | Honda | Accord | 2.0L | L4 | N/A | — |
| 2020 | Acura | RDX | 2.0L | L4 | N/A | — |
| 2020 | Honda | Accord | 2.0L | L4 | N/A | — |
| 2019 | Acura | RDX | 2.0L | L4 | N/A | — |
| 2019 | Honda | Accord | 2.0L | L4 | N/A | — |
| 2018 | Honda | Accord | 2.0L | L4 | N/A | — |
| No rows match your filter. | ||||||