

Thermostat Kit
Fits Dodge, Chrysler, Plymouth — 405 vehicle applications
Contact us at 1-866-461-2787 for pricing
Contact us at 1-866-461-2787 for pricing
Call for PriceSelect your vehicle to check fitment.
BFNG 4909KT Vehicle Fitment
Fits 405 vehiclesThis Thermostat Kit fits Dodge, Chrysler, Plymouth vehicles.
1987-1991 Dodge Dakota
1986-1989 Dodge W100
1981-1992 Dodge B250
1981-1992 Dodge B350
1981-1991 Dodge B150
1981-1991 Dodge D250
1981-1991 Dodge D350
1981-1991 Dodge W250
1981-1991 Dodge W350
1981 Dodge D400
1981 Dodge D450
1980-1983 Dodge Mirada
1980 Dodge W300
1979-1991 Dodge D150
1979-1991 Dodge Ramcharger
1979-1991 Dodge W150
1979-1989 Dodge D100
1979-1989 Dodge Diplomat
1979-1981 Dodge St. Regis
1979-1980 Dodge B100
1979-1980 Dodge Aspen
1979-1980 Dodge B200
1979-1980 Dodge B300
1979-1980 Dodge CB300
1979-1980 Dodge D200
1979-1980 Dodge W200
1979 Dodge Magnum
1977-1980 Dodge D300
BFNG 4909KT Specifications
- Prop 65
- ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Terminal Type
- N/A
- Material
- Copper, Paper, Stainless Steel, Steel
- Material
- Acero, Acero inoxidable, Cobre, Papel
- Includes Sensor
- No
BFNG 4909KT Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
BFNG 4909KT 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
- Meets or exceeds OEM standards
- Original equipment design for worry-free direct fit replacement
- 100% tested and calibrated
- Consistent and precise response to cooling system needs
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 Housing Assembly at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG 4909KT. 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 4909KT
What vehicles does the BFNG 4909KT fit?
The BFNG 4909KT fits 45 vehicle applications including 1981-1992 Dodge B250, 1981-1992 Dodge B350, 1981-1991 Dodge B150, 1979-1991 Dodge D150, 1981-1991 Dodge D250 and 40 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG 4909KT replace?
The BFNG 4909KT is a direct replacement for 4909KT, 4909KT, 4909KT, 4909KT, 4909KT and 8 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG 4909KT?
Shipping options for the BFNG 4909KT 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 4909KT?
For current pricing on the BFNG 4909KT, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
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.


