Find your parts diagram

Pentair Challenger High Flow Pump Replacement Parts Diagram

Interactive parts diagram

38 parts · 2 with cheaper aftermarket options. Tap a number on the diagram, or search by part number.

 – exploded view with numbered parts

Scroll or pinch to zoom · drag to move

5 HP pump strainer pot? Show older parts
Older parts

    • Not sold online Pentair square-flange pump motor; order by the horsepower and voltage on your motor label 355019S-354814SCall us and we'll get it for you.
    • Not sold online Pentair mounting plate: 355028 for 1/2F, 3/4F, 3/4A, 1A; 355078 for 1F, 1-1/2F, 1-1/2A, 2A; 355095 for 2F, 2-1/2A; 355495 for 5F 355028-355495Call us and we'll get it for you.
  1. Pump size
    • Not sold online Pentair Challenger High Flow diffuser: 355029 for 1/2F, 3/4F, 3/4A, 1A; 355077 for 1F, 1-1/2F, 1-1/2A, 2A; 355094 for 2F, 2-1/2A; 355069 for 3F 50 Hz / 5F 60 Hz 355029-355069Call us and we'll get it for you.
    • Not sold online Pentair screw, 3/8"-16 x 1" hex head cap, stainless (4 needed) U30-74SSCall us and we'll get it for you.
    • Not sold online Pentair pump base (includes motor adapter 11B, fits 5-5/8" and 6-1/2" motors) 355305Call us and we'll get it for you.
    • Not sold online Pentair motor support adapter, 5-5/8" dia. motor 355385Call us and we'll get it for you.
    • Not sold online Pentair screw, No. 8-32 hex washer head (3 needed) 355334Call us and we'll get it for you.
  2. Pump size
    • Not sold online Pentair front housing O-ring 355329Call us and we'll get it for you.
    • Not sold online Pentair screw, 5/16"-18 x 1/2" hex head, stainless (2 needed, booster pumps only) 355335Call us and we'll get it for you.
    • Not sold online Pentair drain plug, 1/4" 357161Call us and we'll get it for you.
    • Not sold online Pentair carriage bolt, 5/16"-18 x 4" (older-style clamp band) 152060Call us and we'll get it for you.
    • Not sold online Pentair washer, 5/16" flat, stainless 072173Call us and we'll get it for you.
    • Not sold online Pentair clamp knob: 174882 for clamp with removable bolt, 175025 for clamp with captured T-bolt 174882Call us and we'll get it for you.
    • Not sold online Pentair screw, 5/16"-18 hex washer head (4 needed) 354265Call us and we'll get it for you.
    • Not sold online Pentair drain plug, 1/4" 357161Call us and we'll get it for you.
    • Not sold online Pentair strainer pot, black 355300Call us and we'll get it for you.
    • Not sold online Pentair reducer bushing for 1/2F, 3/4F, 3/4A and 1A pumps (2 needed) 552377Call us and we'll get it for you.
    • Not sold online Pentair screw, 5/16"-18 hex washer head (4 needed) 354265Call us and we'll get it for you.
    • Not sold online Pentair drain plug, 1/4" 357161Call us and we'll get it for you.
    • Not sold online Pentair strainer basket, stainless, 5 HP pumps 355901Call us and we'll get it for you.
    • Not sold online Pentair square ring, 8-1/2" (lid seal, 5 HP pumps only) 152509Call us and we'll get it for you.
    • Not sold online Pentair strainer pot lid for 5 HP pumps: 355902 clear, 355914 black chemical resistant 355902Call us and we'll get it for you.
    • Not sold online Pentair lid wrench, 8-1/2" (5 HP pumps) 154527Call us and we'll get it for you.

Don't see your part? Ask us and we'll find it.

Also fits your Pentair Challenger High Flow Pump

Not shown on the diagram, but made for this pump.

Fit guide

Which Challenger High Flow part fits your pump?

Pentair lists Challenger High Flow parts by horsepower: F = full rated, A = up rated (for example 1F, 1-1/2A is one size). Check the horsepower on your pump or motor label. Part numbers come from Pentair's Challenger High Flow Pump replacement parts list.

Impeller by pump size

Diffuser & mounting plate by size

Diffuser ½F, ¾F, ¾A, 1A
355029
Diffuser 1F, 1½F, 1½A, 2A
355077
Diffuser 2F, 2½A
355094
Diffuser 3F 50 Hz, 5F 60 Hz
355069
Mounting plate ½F, ¾F, ¾A, 1A
355028
Mounting plate 1F, 1½F, 1½A, 2A
355078
Mounting plate 2F, 2½A
355095
Mounting plate 5F
355495

Seal & O-rings

Shaft seal all sizes
354545S U.S. Seal PS-200
Diffuser O-ring all except 5 HP
355030 Aladdin O-395
Diffuser O-ring 5 HP only
355331
Housing O-ring
355329
Complete O-ring kit
Aladdin GO-KIT5

Strainer basket & lid

Basket plastic, standard pot
355318 ARG BHD219
Basket 3F only
355441 stainless
Basket 5F
355901 stainless
Lid standard
355301
Lid 5F
355902 clear, 355914 black
Lid seal
350013 Swimables SW-80-436
Lid seal 5 HP only
152509 square ring