Heating and Cooling› Radiators

SIERRAMARINE

HEAVY DUTY EXTENDED LIFE COOLANT/AN

$26.69

SKU: S08C 18-9340C

In Stock
In Stock
Ships by Jun 18
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Non-Returnable Item

Description

The Sierra Marine 18-9340C is a heavy-duty engine coolant designed for marine environments. It features a Poly Organic POAT formula with an Ethylene Glycol base and is pre-mixed 50-50 with deionized water. This coolant provides year-round protection against freezing and boil-over in all diesel engines.

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

BrandSIERRAMARINE
Part NumberS08C 18-9340C

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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