PremiumPumpParts ® brand
Durable Pistons
Urethane Bonded
Advanced proprietary urethane formulated pistons developed for todays pressure, heat and abrasion.
Rubber Bonded
Durable and elastic rubber bonded pistons available for both triplex and duplex pumps.
Replaceable Rubber
Replaceable rubber pistons with high quality rubber inserts, rubber replaceable insert sets also available
| Piston Size | Long Life | Rubber Bonded | Rubber Replaceable | Rubber Kits |
| 4" | LL-400-P | RB-400-P | I40HK14/15-P | I40HK-P |
| 4-1/2" | LL-440-P | RB-440-P | I44HK14/15-P | I44HK-P |
| 5" | LL-400-P | RB-400-P | I50HB14/15-P | I50HB-P |
| 5-1/2" | LL-540-P | RB-540-P | I54HB14/15-P | I54HB-P |
| 6" | LL-600-P | RB-600-P | I60HB14/15-P | I60HB-P |
| 6-1/2" | LL-640-P | RB-640-P | I64HL14/15-P | I64HL-P |
| 7" | LL-700-P | RB-700-P | I70HL14/15-P | I70HL-P |