If the temperature control on your Dodge Ram's HVAC system isn't working right—like if you're only getting hot or cold air on one side—this blend door actuator might be the fix. It's the front right (passenger side) actuator, made to OE specs for a direct fit without modifications. Compatible with Ram 1500 models from 2002–2008 (and Heavy Duty 2009), plus Ram 2500/3500 from 2003–2009. Replaces part numbers 5073983AA, 604-017, and 5189151AA. Before you order, double-check your vehicle year, make, model, and engine using the Amazon fitment tool or your own research. This part is built from quality materials and comes with a two-year replacement promise. If you're comfortable with DIY repairs, it's a straightforward swap that can save you a trip to the shop. Just take your time, follow a guide if needed, and you'll have your climate control working like new again.