Coolant Housing
$158.82
BFNG
Part # CH3121
4.7(47 reviews)Coolant Housing
Fits Hyundai, Kia — 36 vehicle applications
Call for Price
Contact us at 1-866-461-2787 for pricing
available
Contact us at 1-866-461-2787 for pricing
Call for PriceFree ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
Will this fit your vehicle?
Select your vehicle to check fitment.
BFNG CH3121 Vehicle Fitment
Fits 36 vehiclesThis Coolant Housing fits Hyundai, Kia vehicles.
2019-2020 Hyundai Santa Fe
2017-2018 Hyundai Santa Fe Sport
2015-2019 Hyundai Sonata
BFNG CH3121 Specifications
- Gasket or Seal Pre-Installed
- Yes
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Sensor Included
- No
- Terminal Quantity
- 0
- Connector Gender
- N/A
- Hose Connector Quantity
- 0
BFNG CH3121 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
CH312125620-2GTA0CH3121CH3121CO350121213HCCH3121
BFNG CH3121 Product Description
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested.
Key Features
- No special tools required
- Meets or exceeds all OEM standards
- Easy, one step fit and installation
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested.
About BFNG
Shop BFNG Engine Coolant Thermostat Housing at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG CH3121. 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 CH3121
What vehicles does the BFNG CH3121 fit?
The BFNG CH3121 fits 6 vehicle applications including 2019-2020 Hyundai Santa Fe, 2016-2020 Kia Optima, 2015-2019 Hyundai Sonata, 2017-2018 Hyundai Santa Fe Sport, 2016-2018 Kia Sorento and 1 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG CH3121 replace?
The BFNG CH3121 is a direct replacement for CH3121, 25620-2GTA0, CH3121, CH3121, CO35012 and 2 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG CH3121?
Shipping options for the BFNG CH3121 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.
What is the price of the BFNG CH3121?
For current pricing on the BFNG CH3121, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Is the Coolant Housing a direct fit replacement?
Yes, the Coolant Housing by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Coolant Housing come with?
The Coolant Housing comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.
