The LCS type pump was originally fitted between 1948 & 1963. The early pumps had a long coil housing (3" Long). This was later replaced with a shorter version (2.375" Long)
AUA 152 - Uses a "Stepped" end cap.
AUA 157 - Uses a "Flat" topped end cap.
Pump Rebuild kits:
EPK 800 - Suitable for LCS pumps with a Short coil housing (2.375")
EPK 805 - Suitable for LCS pumps with a long coil housing (3")