Gaskets and Seals› Engine Gaskets and Seals

Fel-Pro

Fel-Pro Hyundai Sonata Engine Coolant Thermostat Gasket

$4.60

SKU: F07A 35921

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 Fel-Pro 35921 is an engine coolant thermostat gasket designed for robust sealing in vehicle cooling systems. Fel-Pro utilizes application-specific materials to tailor this thermostat gasket for superior durability. This gasket helps address issues such as coolant leaks, overheating, and engine inefficiency. It meets or exceeds original equipment specifications for effective performance in demanding repair environments.

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

BrandFel-Pro
Part NumberF07A 35921

Videos

Fel-Pro 35390T Thermostat Housing Gasket Overview/ Review

Fel-Pro 35390T Thermostat Housing Gasket Overview/ Review
Gasket Sets – Everything You Need As Required for the Repair | Fel-Pro Gaskets

Gasket Sets – Everything You Need As Required for the Repair | Fel-Pro Gaskets
When to Use RTV Sealer During Gasket Installation | Fel-Pro Gaskets

When to Use RTV Sealer During Gasket Installation | Fel-Pro Gaskets

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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