I am not 100% sure THAT PART NUMBER is the bushing only,
However, I have BOUGHT THEM BEFORE..took a while to sort out but there is definitely a contact only part number.
FS:Sub Amp - works w/ Technic harness! MRD-M300 - cheap
DON'T BUY FROM RAF555!!!! Promised fix! - strung me along til Paypal dispute period expired!