Heating and Cooling Radiators

Fluidyne

Radiator GM C/K Truck LS Swap

$453.00

SKU: F01M RGM.3R3321.LS

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Fluidyne RGM.3R3321.LS is an LS Swap 3-Row Dual-Pass Radiator for 1973-1987 Chevrolet C10, K10, and GMC C15/C1500, K15/K1500 trucks. It features LFT-Laminar Flow Technology with 3 rows of ½” LFT tubes and >16 fins per inch for superior cooling, handling up to 1000hp. The dual-pass design increases efficiency by over 25%, with passenger-side inlet and outlet for perfect alignment with LS water pumps. Constructed from premium polished aluminum with thick tank walls (> .090”) for durability, it includes -16ORB ports for easy installation and steam port provisions.

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.

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Specifications

BrandFluidyne
Part NumberF01M RGM.3R3321.LS

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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