Fits the following Maytronics Dolphin Robotic Pool Cleaners:
3001 - 9999321
3001 - 9999323-Bl
3001 - 9999326-BL
2002 - 9999331
2002 - 9999337-C
2X2 - 9999353-BL4
2x2 C6 Plus - 9999356-C6P
2x2 - 9999359-BL
Heavy Duty - 9999381
Heavy Duty - 9999389-HD
Heavy Duty - 9999389-BL4
Enduro 21r - 9999351-END
Enduor 11r - 9999343X-END
SCP RC - 9999304-SCP
PRO - 9999301-SCP
PRO X Battery - 9999193X-US
PRO X2 - 9999393X
PRO X2 - 9999393X-BL
PRO X2 - 9999399X-BL
Commander - 9999301-COM
Sprite - 9999301-SPR
Interactive - 9999301-INT
Advantage - 9999301
Advantage - 9999313-SWV
Advantage Plus PRO RC - 9999336-ADV
Advantage RC - 9999301RC
Advantage RC Plus - 9999313RC
Advantage Plus - 9999313
DX5 - 9999131-DX5B
DX5 - 9999311-DX5
DX5 Plus - 9999381-DX5
Deluxe - 9999301-DLX
Deluxe Cl1 - 9999311-DLX
Explorer - 9999301-EXP
Evolution X5 - 9999346-EVO
Wave 50
Wave 100
C5 - 9999396X-C5
Sprite - 9999301-SPR
Nautilus - 99996153-US
Includes the following parts
Part #1 - 9985442 Base for non-return flap
Part #2 - 3917014 Bottom lid spring
Part #5 - 9985441 Non Return Flap
Part #7 - 9985445 Bracket for bottom lid
Part #8 - 9985443 Spring for bottom lid
Part #9 - 9981242 Washer for spring
Part #A - 3303008A Screw