Heating and Cooling› Oil and Fluid Coolers
CSF
CSF 10-15 Lexus RX350 3.5L OEM Plastic Radiator
SKU: C00B 3687
Moderate — 2–4 hours
Description
This downflow radiator includes a high-performance transmission cooler with a built-in turbulator for efficient fluid flow and heat dissipation. It has 1-3/8 inch inlet and outlet hose connections and has been leak-tested at 150% of operating pressure. The multi-louvered fin design maximizes cooling efficiency, crucial for maintaining optimal engine temperatures.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | CSF |
| Part Number | C00B 3687 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy