Your search for "Valve Diaphragm" revealed the following:
RKX VW Audi 1.8T 2.7T Diverter valve
$58.00RKX machined aluminum diverter valve for all 1.8t and 2.7t VW and audi applications. Valve has an aluminum piston for fast...
Genuine Bosch Heater Control Valve OEM Audi Lamborghini R8 Gallardo 400820036A
$390.95Genuine Bosch Heater Control Valve made in France Direct replacement for OEM part number: 400-820-036A Bosch is the OE supplier...
RKX Turbo Diverter Valve for Polaris RZR turbo
$64.95RKX® Precision Machined Diverter valve Brand new precision made aluminum diverter valve kit specifically designed for Polaris RZR XP Turbo...
RKX VW & Audi Hybrid diverter valve for the 2.0T
$134.88RKX mechanical diverter valve conversion kit. Fits VW and Audi 2.0t FSI & TSI engines from 2006-2015 This kit is...
X-KOOL R134A / R12 Master valve core cap kit for Domestic, Import, and European Cars
$39.95X-Kool by RKXtech: Master AC LIne valve cap kit with secondary seals.17 Different styles of caps to fit a wide...