Heating and Cooling Oil and Fluid Coolers

CSF

CSF 16-20 Honda Civic 1.5L Turbo OEM Plastic Radiator

$131.18

SKU: C00B 3781

In Stock
In Stock
Ships by Jun 11
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The CSF 3781 is a direct-fit radiator designed for the 2016-2021 Honda Civic. It features an aluminum core with plastic tanks and has a core size of 26.56 x 17.69 x 1.25 inches. This radiator replaces the original equipment manufacturer (OEM) part number DPI# 13582 and is engineered for the 1.5L L4 Turbocharged engine.

Fitment

Fitment Guaranteed

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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

BrandCSF
Part NumberC00B 3781

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.

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