I'm not clear as to whether you were set on getting a genuine Apple replacement part or not, but if not the ports seem to be readily available on several sites such as Amazon, eBay and AliExpress.
[link|https://www.amazon.com/Risidamoy-Connector-Replacement-Generation-Microphone/dp/B0CRR8JT89|Amazon.com: Risidamoy Dock Connector Charging Port Replacement for iPhone SE 3rd Generation 2022 Repair Fix USB Charge Headphone Jack Microphone Antenna Flex Cable Assembly for iPhone SE 2022 : Cell Phones & Accessories]
[link|https://www.aliexpress.us/item/2252799819077408.html|AiinAnt USB Charging Port Charger Dock Connector Charging Flex Cable For iPhone 6 6s Plus 5S SE 2020 2022 Phone Repair Parts - AliExpress]
[link|https://www.ebay.com/itm/156432050241|iPhone SE 2022 Charging Port Flex Red - eBay]
Note that last one is in red; it's strictly cosmetic though so it would work fine; of course if you look a bit harder than I did you'll undoubtedly find the right color for your phone.
Finally if for some reason you are dead set on a genuine Apple part, I did run across a used one on eBay.
[link|https://www.ebay.com/itm/176521576881|Charging Port For iPhone SE 3 2022 - 3rd Gen Dock Connector Flex Cable in Black - eBay]
All in all, the charging port for your phone doesn't appear to be any harder to get than that of any other given phone.
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I realize you're probably aware of this already, but here's the guide for that specific repair on your phone.
I'm not clear as to whether you were set on getting a genuine Apple replacement part or not, but if not the ports seem to be readily available on several sites such as Amazon, eBay and AliExpress.
[link|https://www.amazon.com/Risidamoy-Connector-Replacement-Generation-Microphone/dp/B0CRR8JT89|Amazon.com: Risidamoy Dock Connector Charging Port Replacement for iPhone SE 3rd Generation 2022 Repair Fix USB Charge Headphone Jack Microphone Antenna Flex Cable Assembly for iPhone SE 2022 : Cell Phones & Accessories]
[link|https://www.aliexpress.us/item/2252799819077408.html|AiinAnt USB Charging Port Charger Dock Connector Charging Flex Cable For iPhone 6 6s Plus 5S SE 2020 2022 Phone Repair Parts - AliExpress]
[link|https://www.ebay.com/itm/156432050241|iPhone SE 2022 Charging Port Flex Red - eBay]
Note that last one is in red; it's strictly cosmetic though so it would work fine; of course if you look a bit harder than I did you'll undoubtedly find the right color for your phone.
Finally if for some reason you are dead set on a genuine Apple part, I did run across a used one on eBay.
[link|https://www.ebay.com/itm/176521576881|Charging Port For iPhone SE 3 2022 - 3rd Gen Dock Connector Flex Cable in Black - eBay]
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All in all, the charging port for your phone doesn't appear to be any harder to get than that of any other given phone.
I'm not clear as to whether you were set on getting a genuine Apple replacement part or not, but if not the ports seem to be readily available on several sites such as Amazon, eBay and AliExpress.
[link|https://www.amazon.com/Risidamoy-Connector-Replacement-Generation-Microphone/dp/B0CRR8JT89|Amazon.com: Risidamoy Dock Connector Charging Port Replacement for iPhone SE 3rd Generation 2022 Repair Fix USB Charge Headphone Jack Microphone Antenna Flex Cable Assembly for iPhone SE 2022 : Cell Phones & Accessories]
[link|https://www.aliexpress.us/item/2252799819077408.html|AiinAnt USB Charging Port Charger Dock Connector Charging Flex Cable For iPhone 6 6s Plus 5S SE 2020 2022 Phone Repair Parts - AliExpress]
[link|https://www.ebay.com/itm/156432050241|iPhone SE 2022 Charging Port Flex Red - eBay]
Note that last one is in red; it's strictly cosmetic though so it would work fine; of course if you look a bit harder than I did you'll undoubtedly find the right color for your phone.
Finally if for some reason you are dead set on a genuine Apple part, I did run across a used one on eBay.
[link|https://www.ebay.com/itm/176521576881|Charging Port For iPhone SE 3 2022 - 3rd Gen Dock Connector Flex Cable in Black - eBay]