Hi Robert, I'm pleased to assist you. We can't cross-reference KC 3Z-13405-B with these tail lights because this set is an OE (Original Equipment) upgraded part. These are guaranteed to fit your 2019 Ford F-250 Super Duty King Ranch. Use the link below to directly place your order while the part is in stock. Your order will come with a 30-day post-purchase price match guarantee. I hope this helps and enjoy shopping! https://www.carparts.com/tail-light/morimoto/morlf351?can=CPGG4850_CSQA_20240223

Hi Robert, I'm pleased to assist you. Yes, this set of tail lights is plug-and-play, no modification is required, and is compatible with the 2019 Ford F-250 Super Duty King Ranch. The bulbs are LED with a single warning radar. We have a 60-day return policy. The advertised price is for a set (driver and passenger sides). You will know the shipping and total cost of the order once you put the item inside the cart and type in the shipping details. Our system will automatically compute the shipping and sales tax (to some States where applicable). Use the link below to directly place your order while the part is in stock. Your order will come with a 30-day post-purchase price match guarantee. I hope this helps and enjoy shopping! https://www.carparts.com/tail-light/morimoto/morlf351?can=CPGG4850_CSQA_20240223

Hi Mike, thank you for reaching out! Yes, this set will fit that truck! Click the link below to easily order the set while stocks with free shipping last. Have a great day! https://www.carparts.com/tail-light/morimoto/morlf351?can=cpab2020_csqa_20231128

Hi Jim, I'm glad to assist you. We have it available for direct ordering at this link: https://www.carparts.com/tail-light/morimoto/morlf350?can=CPAE1047_CSQA_20230518 I hope this helps, and we hope you can enjoy our limited stocks. Happy shopping.