Ignitions and Electrical› Ignition Components

Dorman

1121 CHRYSLER 300/CHALLENGER/CHARGER PRESSURIZED COOLANT RESERVOIR

$123.66

SKU: D00I 603-380

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

Easy — 1–2 hours

Description

The Dorman 603-380 is a pressurized coolant reservoir designed to replace a leaky or damaged tank. It is constructed from heavy-grade ABS plastic, offering resistance to heat and moderate impact. This reservoir helps maximize fluid delivery, reduce contamination, and increase cooling fluid volume.

Fitment

Fitment Guaranteed

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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

BrandDorman
Part NumberD00I 603-380

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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