One Stop Solutions 99331 HVAC Heater Core

HVAC Heater Core for Ford Super Duty

Replace a leaking or restricted heater core with One Stop Solutions part number 99331. This HVAC heater core is listed for 2011-2016 Ford F-250 Super Duty and 2011-2016 Ford F-350 Super Duty applications, giving you a direct-fit option for common cabin heat repair jobs.

• HVAC heater core for Ford Super Duty trucks
• Fits 2011-2016 Ford F-250 Super Duty, N/A
• Fits 2011-2016 Ford F-350 Super Duty, N/A
• One Stop Solutions part number 99331
• Cross-reference: APDI 9010532

Detailed Description

Part number 99331 is an HVAC heater core used in the heating system to transfer engine coolant heat into the passenger cabin. For Ford F-250 Super Duty and Ford F-350 Super Duty trucks in the listed model years, this replacement heater core supports restoration of normal defrost and cabin heat performance when the original unit is clogged, corroded, or leaking.

Common Repair Symptoms

• Weak or no heat from the vents
• Sweet coolant odor inside the cabin
• Coolant loss with no visible external leak
• Fogging or film on the windshield from heater core seepage
• Uneven heater output in 2011-2016 Ford F-250 Super Duty and Ford F-350 Super Duty trucks

Installation Notes and Tips

Verify the vehicle year, model, and HVAC configuration before installation. Heater core replacement often requires access to the HVAC case, so inspect related hoses, clamps, and coolant condition during service. Flush the cooling system if contamination or debris contributed to the original failure.

Quality Assurance

One Stop Solutions part 99331 is cataloged as an HVAC heater core for the listed Ford Super Duty fitments. This part cross-references APDI 9010532 for the same application.