Wilden P25 Pump Diaphragm Set with Gaskets and various other parts, as listed below and in the part listing image: • We guarantee all of our items • Diaphrams alone are worth $200.00 • All parts from OEM would cost $401.60 • All items sold and shipped as one package • All parts are from new and unused common pump • Items do not come with original packaging Item 2: Pro-Flo® Air Valve End Cap • Part Number: 00-2300-20-700 • Quantity: 1 • OEM Price: $11.70 each Item 3: End Cap 0-Ring • Part Number: 00-2390-52-700 • Quantity: 1 • OEM Price: $2.00 each Item 4: Muffler Element • Part Number: 00-3240-26-700 • Quantity: 1 • OEM Price: $6.40 each Item 5: Air Valve Bolt • Part Number: 00-6000-03-700 • Quantity: 4 • EOM Price: $11.60 for 4 bolts Item 6: Air Valve Gasket • Part Number: 00-2600-52-700 • Quantity: 1 • OEM Price: $6.60 each Item 7: Air Valve Nut • Part Number: 01-6400-03 • Quantity: 4 • OEM Price: $5.50 for 4 nuts Item 11: Main Shaft Assembly • Part Number: 00-3800-99-700 • Quantity: 1 • OEM Price: $46.70 each Item 12: Inner Piston for PTFE • Part Number: 00-3750-20-700 • Quantity: 2 • OEM Price: $12.65 each Item 13: Backup O-ring • Part Number: 00-1070-51 • Quantity: 2 • OEM Price: $8 each Item 14: Diaphragm • Part Number: 00-1030-55 • Quantity: 2 • OEM Price: $100 each Item 18: Screw, HWHTap (BT), 1/4-20 x 1-1/4* • Part Number: 00-6350-03 • Quantity: 20 • OEM Price: $9.60 for 20 screws Item 19: Manifold O-Ring • Part Number: Included • Quantity: 4 Item 20: Retainer Sleeve • Part Number: 00-5440-20 • Quantity: 2 • OEM Price: $15.00 Item 21: Valve Ball • Part Number: 00-1080-55 • Quantity: 2 • OEM Price: $7.60 each Item 22: Valve Seat • Part Number: 00-1130-20 • Quantity: 2 • OEM Price: $7.50 each Item 23: Valve Seat O-Ring • Part Number: Included • Quantity: 2