Heating and Cooling› Thermostats, Housings and Fillers

FOUR SEASONS

THERMOSTAT HOUSING

$151.94

SKU: F027 86326

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

Moderate — 2–4 hours

Description

The Four Seasons 86326 is an engine coolant thermostat housing designed for reliable engine temperature maintenance in select BMW models. This integrated housing features a durable plastic construction and includes a thermostat, ensuring efficient coolant flow and regulation. It is specifically designed as an OE direct replacement for BMW 528i, 740i, and 740Li vehicles, offering a bolt-on fit without requiring modifications.

The housing has an inlet diameter of 1.51 inches, an overall height of 5.00 inches, and a mounting flange width of 0.39 inches. Its plastic material provides resistance to corrosion and heat, crucial for the longevity of the cooling system. This part addresses common issues such as faulty or leaking thermostat housings, engine overheating, and improper coolant flow, helping to restore engine performance and prevent damage.

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

BrandFOUR SEASONS
Part NumberF027 86326

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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