Thermostat Kit
$156.95
BFNG
Part # TA4100
4.7(47 reviews)Thermostat Assembly
Fits Kia, Hyundai — 6 vehicle applications
$692.91
Only 4 left in stock
1
Express Checkout
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
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BFNG TA4100 Vehicle Fitment
Fits 6 vehiclesThis Thermostat Assembly fits Kia Optima, Hyundai Sonata vehicles.
2013-2014 Hyundai Sonata
BFNG TA4100 Specifications
- Flange Length
- Internal component
- Gasket or Seal Pre-Installed
- Yes
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Flange Thickness
- Internal component
- Seal Quantity
- 2
- Flange Width
- Internal component
BFNG TA4100 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
25600-2G670TA4100TA41004100AT0014AT
BFNG TA4100 Product Description
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant.
Key Features
- Consistent and precise response to cooling system needs
- Meets or exceeds OEM standards
- High grade stainless steel and copper construction
- 100% tested and calibrated
- Original equipment design for worry-free direct fit replacement
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant.
About BFNG
Shop BFNG Engine Coolant Thermostat Housing Assembly at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG TA4100. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Ratings & Reviews
4.7out of 5
Based on 47 reviews
- 538
- 46
- 31
- 21
- 11
- Direct fit, no surprisesMarc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
- Shipped fast across CanadaJen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
- Good part, double-check your sideSteve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
- Quiet againAmrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
- Would buy againDaniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango
Frequently Asked Questions — BFNG TA4100
What vehicles does the BFNG TA4100 fit?
The BFNG TA4100 fits 2 vehicle applications including 2013-2016 Kia Optima, 2013-2014 Hyundai Sonata. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG TA4100 replace?
The BFNG TA4100 is a direct replacement for 25600-2G670, TA4100, TA4100, 4100AT, 0014AT. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG TA4100?
Shipping options for the BFNG TA4100 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
How much does the BFNG TA4100 cost?
The BFNG TA4100 is currently listed at $692.91 CAD at Autrex. Final price, shipping, taxes, and availability are confirmed during checkout. Call 1-866-461-2787 if you need help before ordering.
Is the Thermostat Assembly a direct fit replacement?
Yes, the Thermostat Assembly by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Thermostat Assembly come with?
The Thermostat Assembly comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.
