SU Fuel Pump Diaphragm  P/N AUB6098

As used in:

LP & Dual LP PRE-1985 Pumps,

This diaphragm has the Short Spindle; 2-3/8" long (2.375") 

double thickness neoprene material with impregnated fabric layer.

NO stiffening shim plate above diaphragm [below armature plate]

Armature plate is flat [no raised ring on spindle side of diaphragm, see photo]

Suits Coil Housing P/No. AUB6074 (pre Sept 85) 

To determine which pump you have, see the Pump Body number stamped on housing where the pipe fittings attach

LP & HP Pump Body No. AUA4080

Dual LP & HP Pump Body No. AUA4080