Will this radiator fit my automatic transmission 2005 Lexus IS300?

No, this Koyo radiator is specifically designed for manual transmission (MT) models of the 2001-2005 Lexus IS300. Automatic transmission models have different cooling line requirements and will require a different radiator.

What is the main benefit of an all-aluminum radiator over a stock one?

All-aluminum radiators generally offer better heat dissipation compared to stock radiators that often use plastic end tanks. This improved cooling efficiency helps prevent engine overheating, especially under demanding conditions.

Does this radiator come with a new radiator cap?

This Koyo radiator does not include a new radiator cap. It is recommended to reuse your existing cap if it is in good condition, or purchase a new one separately to ensure a proper seal.

2001-2005 Lexus IS300 Radiator | Koyo V2356

Name: Koyo 01-05 Lexus IS300 (MT) Radiator
Brand: Koyo
SKU: koyo-koyo-01-05-lexus-is300-mt-radiator-t14-4320924
Price: 416.36 USD
Availability: InStock

Koyo 01-05 Lexus IS300 (MT) Radiator

$416.36

In Stock

Fits 2001-2005 Lexus IS300 (MT). This Koyo aluminum radiator offers improved cooling for your manual transmission IS300.

Key Features

Fits 2001-2005 Lexus IS300 manual transmission models.
All-aluminum construction helps dissipate heat effectively.
Designed for efficient airflow to keep coolant temperatures down.
Direct fit replacement for straightforward installation.

Secure CheckoutFast Shipping631-982-0042

Product Details

If your 2001-2005 Lexus IS300 with a manual transmission is running hotter than it should, especially during spirited driving or in warmer weather, it might be time to consider an upgraded radiator. This Koyo radiator is built to handle the cooling demands of your IS300, offering a more robust solution than the stock unit.

Koyo is known for making well-built cooling components, and this radiator is no exception. It features an all-aluminum construction, which helps dissipate heat more effectively than plastic and aluminum combinations. The core is designed for efficient airflow, ensuring that coolant stays at optimal temperatures even when you're pushing your car. Because it's a direct fit for manual transmission models, installation is straightforward, replacing your old radiator without needing extensive modifications.

This radiator is a solid option for IS300 owners looking for reliable cooling performance. It's a smart choice for anyone who wants to maintain their engine's health and prevent overheating issues, especially if you've noticed your temperature gauge creeping up.