MGA Part Numbers

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MGA Part Numbers - AHH5456
Sealing Rubber -rear ramp (outter) -MGA

PART NO.  SPL.PAGE  DESCRIPTION                                                           
AHH5456   15.R.9    Sealing rubber -outer -rear ramp -(2) -(flooring, 1500)
AHH5456   16.R.9    Seal -rear ramp outer (rubber) (2) -(floor, 1600 and 1600-MK-II Coupe)
AHH5456   TC.R.8    Seal -rear ramp outer (rubber) (2) -(flooring, Coupe, Twin Cam)

This rubber part is to seal the joint between the body fixed battery panel and top of the chassis frame.

See here:
RT-632 - Body Installation