

Thermostat Kit
Fits Chevrolet, GMC, Workhorse & more — 200 vehicle applications
Select your vehicle to check fitment.
BFNG 447448 Vehicle Fitment
Fits 200 vehiclesThis Thermostat Kit fits Chevrolet, GMC, Workhorse, Hummer and 1 more makes vehicles.
2019-2020 Chevrolet Silverado 4500 HD
2019-2020 Chevrolet Silverado 5500 HD
2019-2020 Chevrolet Silverado 6500 HD
2009-2016 Chevrolet Express 4500
2007-2023 Chevrolet Silverado 3500 HD
2007 Chevrolet Silverado 2500 HD Classic
2007 Chevrolet Silverado 3500 Classic
2006-2016 Chevrolet Express 2500
2006-2016 Chevrolet Express 3500
2003-2009 Chevrolet C4500 Kodiak
2003-2009 Chevrolet C5500 Kodiak
2001-2024 Chevrolet Silverado 2500 HD
2001-2006 Chevrolet Silverado 3500
BFNG 447448 Specifications
- Outlet Outside Diameter
- 36.576 mm
- Outlet Inside Diameter
- 30.734 mm
- Valve Outside Diameter
- 34.29 mm
- Prop 65
- ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
- Outlet Outside Diameter
- 1.44 in
- Outlet Inside Diameter
- 1.21 in
BFNG 447448 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
BFNG 447448 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. Offset design, air relief valve, and OEM style seals included where applicable
Key Features
- High grade stainless steel and copper construction
- Original equipment design for worry-free direct fit replacement
- Meets or exceeds OEM standards
- Consistent and precise response to cooling system needs
- 100% tested and calibrated
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. Offset design, air relief valve, and OEM style seals included where applicable
About BFNG
Shop BFNG Engine Coolant Thermostat at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG 447448. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Ratings & Reviews
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 447448
What vehicles does the BFNG 447448 fit?
The BFNG 447448 fits 26 vehicle applications including 2001-2024 Chevrolet Silverado 2500 HD, 2001-2024 GMC Sierra 2500 HD, 2007-2024 GMC Sierra 3500 HD, 2007-2023 Chevrolet Silverado 3500 HD, 2019-2020 Chevrolet Silverado 4500 HD and 21 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG 447448 replace?
The BFNG 447448 is a direct replacement for 44748, QRT2, 54748, 447448, 447448 and 14 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG 447448?
Shipping options for the BFNG 447448 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 447448 cost?
The BFNG 447448 is currently listed at $88.79 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 Kit a direct fit replacement?
Yes, the Thermostat Kit 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 Kit come with?
The Thermostat Kit comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.


