| Part Number | UM | Description | Works With |
| UCAK100 MCAK100 |
10-PK 24-PK |
Connecting Nut 1/4″ | All Pumps excluding S pumps with S4 prefix |
| MANUT00 | EA | Connecting Nut 3/8″ | All Pumps |
| UCADPTR MCADPTR |
2-PK 5-PK |
Connecting Nut 3/8″ with Adapter |
All Pumps excluding S pumps with S4 prefix |
| UCAK200 MCAK200 |
10-PK 24-PK |
Ferrule 1/4″ | All Pumps excluding S pumps with S4 prefix |
| EUROPE | |||
| UCAK2CE MCAK2CE |
10-PK 24-PK |
Ferrule 6 mm | All Pumps excluding S pumps with S4 prefix |