HVAC Heater Core
Fits Western Star β 501 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.
Spectra Premium 99431 Vehicle Fitment
Fits 501 vehiclesThis HVAC Heater Core fits Western Star vehicles.
2007-2011 Western Star 6900XD
2002-2011 Western Star 4900SA
2002-2011 Western Star 4900EX
2002-2011 Western Star 4900FA
1998-2001 Western Star 5800
1997-2002 Western Star 4900E
1993-2002 Western Star 4800
1993-2002 Western Star 4900
1993-2001 Western Star 5900
Spectra Premium 99431 Specifications
- California_Prop 65 Message
- Y
- Length
- 2.5
- Length
- 64
- Width
- 10
- Width
- 254
- Core Material
- Aluminum
Spectra Premium 99431 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
Spectra Premium 99431 Product Description
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium HVAC heater cores meet or exceed the performance of the original equipment they replace.
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium HVAC heater cores meet or exceed the performance of the original equipment they replace.
About Spectra Premium
Shop Spectra Premium HVAC Heater Core at Autrex with vehicle fitment details, current pricing, and checkout options for the Spectra Premium 99431. 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 β 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 β Spectra Premium 99431
What vehicles does the Spectra Premium 99431 fit?
The Spectra Premium 99431 fits 9 vehicle applications including 2002-2011 Western Star 4900SA, 2002-2011 Western Star 4900EX, 2002-2011 Western Star 4900FA, 2007-2011 Western Star 6900XD, 1993-2002 Western Star 4800 and 4 more. Check the full fitment list above to confirm your vehicle.
What parts does the Spectra Premium 99431 replace?
The Spectra Premium 99431 is a direct replacement for 2119650, ABPN83315605, 101612, 600043403, HTR010753 and 9 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the Spectra Premium 99431?
Shipping options for the Spectra Premium 99431 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 Spectra Premium 99431?
For current pricing on the Spectra Premium 99431, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Is the HVAC Heater Core a direct fit replacement?
Yes, the HVAC Heater Core by Spectra Premium is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the HVAC Heater Core come with?
The HVAC Heater Core comes with the standard Spectra Premium manufacturer warranty. Please check the product specifications for exact warranty terms.