Coupling Hub Assembly 7Y-1903 7Y1903 — Fits Caterpillar Cat E320

C-10 Truck Engine 3CS00001-UP

WABCO 912510104R

S-85 (from serial number S8014D-101 to 235)

Aftermarket ARO 666270-144-C Aluminum Double Pneumatic Diaphragm Pump for Industrial Equipment Toyota Coupling Hub Assembly 7Y-1903 7Y1903Aftermarket ARO 666270 144 C Aluminum Double Pneumatic Diaphragm Pump for Industrial Equipment Replacement Part Number: 666270 144 C, 666270144C Specification: Max. flow rate: 651 L min. Suction and pressure connection: 2" BSP Max. operating pressure: 8. 3 bar Material medium side: aluminum Air motor material: aluminum Membrane material: PTFE Santoprene Ball material: PTFE Ball seat material: aluminum Material Hardware: stainless steel Max. solid