Heating and Cooling› Thermostats, Housings and Fillers

SEALED POWER

THERMOSTAT HOUSING/COVER GSKT.

$21.75

SKU: S03T FP-R523989

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The John Deere Thermostat Housing Gasket R523989 is engineered to create a reliable, leak-resistant seal between the thermostat housing and engine components. Its precision fit helps maintain pressure and temperature regulation, ensuring your engine runs efficiently and stays protected from overheating.

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

BrandSEALED POWER
Part NumberS03T FP-R523989

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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