Spectra 4401-3508

Spectra Charge Air Cooler 4401-3508

Spectra 4401-3508 is a charge air cooler built to reduce compressed air temperature after it leaves the turbocharger and before it enters the engine. Lower intake air temperature supports more consistent combustion chamber performance and helps maintain power delivery under load.

Compatible With applications that use this OE-style charge air cooler design, including select Navistar and International truck platforms. This part number, 4401-3508, also cross-references Anchor 6094 for the same application.

Key Features

• Charge air cooler for turbocharged diesel intake systems
• Helps lower charge-air temperature before air reaches the engine
• OE-style replacement for direct application matching
• Built for use in heavy-duty cooling system service
• Part number 4401-3508 for catalog and fitment lookup

Application Details

Fits select Navistar and International truck applications listed by interchange, including models associated with CAC137, HDH010311, NAV16417, and related OE references. Use the vehicle’s existing part number and cooling system configuration to confirm exact match before ordering Spectra 4401-3508.

Common Issues This Part Can Address

• Reduced charge-air cooling efficiency
• Heat-soaked intake air after turbocharger operation
• Loss of engine performance under load
• Air-to-air cooler replacement due to age or damage
• Fitment replacement for a failed OE charge air cooler

Installation Notes

Verify core dimensions, inlet and outlet locations, and mounting points against the removed unit before installation. Inspect related charge-air plumbing, clamps, and seals for wear, and confirm the cooling system is clean and free of leaks before returning the vehicle to service.

Quality Assurance

Spectra manufactures charge air coolers for heavy-duty cooling applications with an OE-replacement focus. Part number 4401-3508 is cataloged against multiple interchange references to support accurate application matching.