Nissens 66605 Radiator

Nissens 66605 Radiator Overview

The Nissens 66605 radiator is an aluminum replacement cooling component for select Kia applications. It is built to support heat transfer in vehicles that rely on stable engine temperature control, including Kia Spectra and Kia Sephia models with automatic transmissions.

With OE-style fitment references and application-specific dimensions, this radiator is a direct option for drivers replacing a leaking, clogged, or damaged cooling unit. Nissens 66605 is listed for 2004 Kia Spectra and 2000-2002 Kia Spectra, plus 1998-2001 Kia Sephia automatic transmission applications.

Key Features

• Aluminum construction for efficient thermal transfer
• Core dimensions: 26.8898 in. height, 13.5827 in. width, 0.6299 in. length
• Fits 2004 Kia Spectra, N/A
• Fits 2000-2002 Kia Spectra, N/A, automatic transmission applications
• Fits 1998-2001 Kia Sephia, N/A, automatic transmission applications
• Part number 66605 for catalog and cross-reference lookup

Detailed Description

Nissens develops thermal management components with a focus on OE-style performance and manufacturing consistency. The 66605 radiator uses aluminum construction and application-specific sizing to match the cooling system layout used on select Kia Spectra and Kia Sephia vehicles. For shoppers searching for a Kia Spectra radiator 66605 or a Kia Sephia automatic transmission radiator, this part provides a direct replacement path based on the listed fitment data.

This part cross-references Spectra Premium CU2241 and CU2441 for the same application. The Nissens 66605 radiator is also referenced against other aftermarket and OE-style numbers in the catalog, making it easier to verify the correct cooling system match before purchase.

Common Cooling System Issues

• Coolant leaks from a cracked or corroded radiator core
• Engine temperature running higher than normal
• Restricted coolant flow from internal buildup
• Visible damage to radiator tanks or fins
• Cooling performance loss on automatic transmission-equipped Kia Spectra and Kia Sephia models

Installation Notes and Tips

Confirm vehicle year, model, and transmission type before ordering. This radiator is listed for automatic transmission applications on the 2000-2002 Kia Spectra and 1998-2001 Kia Sephia, so transmission verification is important. Compare the existing radiator dimensions and hose connections during removal to confirm a proper match for your Kia Spectra or Kia Sephia radiator replacement.

Quality Assurance

Nissens is a market-leading manufacturer of thermal and engine efficiency components, and its products are developed and manufactured to consistent quality standards. The brand continues to expand its aftermarket coverage as vehicle technology changes, supporting reliable replacement options like the Nissens 66605 radiator.