I don’t have any feedback from GGB.
As GGB BB0804DP4-D1 this part is non standard part.
And GGB have BB0806 DP4 which the length a bit longer.
Please refer attatchment. (I attached spec for BB 0806 DP4 to you again)
Could you please informed to user for GGB BB0806 DP4. Can be used instead?