Alexprom,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<script>
document.addEventListener("DOMContentLoaded", function() {
let elem = document.querySelector('[name="ocfilter_product_option[10063][values][4285958269][selected]"]');
let item = document.querySelector('[name="oct_stickers[customer_v-2]');
elem.addEventListener("change", function() {
item.checked = elem.checked
})
})
</script>
</head>
<body>
<input type="checkbox" name="ocfilter_product_option[10063][values][4285958269][selected]" value="4285958269">
<input type="checkbox" name="oct_stickers[customer_v-2]" value="customer_v-2">
</body>
</html>