Plunger & Seal Kit for 114V & 112V Pumptec Pumps. For Pump Models: C-112V / W-112V / C-114V / W-114V Contents of Kit: 1 - Plunger, Ground 112V 2 - Washer, Insulating 0111-0016 2 - Wave Washer 4 - V-Ring Spreader 1 - Teflon Superluve, 1-2 Oz Tube 2 - Backing Ring / Guide (Smooth for 112V) Compare to current or past OEM associations: Century 400 250-79E 283251193323 10009 PX10009 10679065072443 Schematics on how these install, click here .