These o-rings now follow the AS568A O-ring standard used by the O-Ring industry in order to bring a standardized approach to the pool and spa industry. The current part number for an o-ring is 90-423-5xxx, where xxx represents the AS568A designation. This designation ranges from -001 thru -932, in order of smallest to largest first by cross section then by diameter.

Exploded parts diagrams: This part is shown as item #11 on the Pent Am Prod Bronze Pump; item #9 on the Vico UltraFlo Pumps; item #10 on the Balboa Vico Ultima Series, Center/Side Discharge, 48 Frame exploded parts diagrams.

🔧 Pent Am Prod Bronze Pump – exploded parts diagram

Pent Am Prod Bronze Pump exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.

No.	Part
–	Go-Kit 20, American Ultra-Flow/Bronze Pump
21	34-110-W003K21
19	34-110-W003K19
18	Bolt, Pentair American Products Bronze, Volute, 20 x 1-3/4"
17	Knob, Pent Am Prod UltraFlow/Bronze, Clamp Ring
16	Washer, Pentair AmProd UltraFlow/EQ Series, Flat, 1/4"
15	Bolt, Pentair American Products Bronze, Clamp Ring
13	Trap Body Assembly, Pentair American Products Bronze
12	Drain Plug, Pentair American Products, with O-Ring, 1/4"
11	O-Ring, 5" ID, 3/32" Cross Section, Generic ◀ this part
10	Screw, Pent Am Prod Bronze, Impeller, 10-24 x 5/8"
9	Screw, Pent Am Prod Bronze,Pump Stand, 6 x 5/8"
7	34-110-W003K7
6	34-110-W003K6
5	Gasket, Pentair Bronze/UltraFlow, Volute, 2-1/2"ID, 3-1/2"OD
4	34-110-W003K4
3	Trap Lid, American Products Bronze, Val-Pak, Generic
2	34-110-W003K2
1	O-Ring, 6-1/2" ID, 1/4" Cross Section, Generic

🔧 Exploded diagram and parts

This part belongs to the Pent Am Prod Bronze Pump assembly. Everything listed below is something we stock for it, and the numbers match the diagram.

No.	Part	Our part number	Availability	Price
2	Basket, Pump, AmProd, Ultra Flow, Bronze HD, Val-Pak, Generic	V38-185S	15 in stock	$63.11	Add to cart
3	Trap Lid, American Products Bronze, Val-Pak, Generic	39301600	4 in stock	$77.38	Add to cart
5	Gasket, Pentair Bronze/UltraFlow, Volute, 2-1/2"ID, 3-1/2"OD	39501200	Available to order	$15.08	Add to cart
6	Impeller, Val-Pak, Generic, Bronze 1.0Hp	V40-455	2 in stock	$219.96	Add to cart
6	Impeller, Val-Pak, Generic Anthony, Bronze 1.5Hp	V40-456	1 in stock	$219.96	Add to cart
6	Impeller, Val-Pak, Generic, Bronze 3/4Hp	V40-454	1 in stock	$132.41	Add to cart
7	Generic Pump Seal PS-1000	PS-1000	790 in stock	$9.29	Add to cart
7	Shaft Seal, PS-1905, 5/8" Shaft, Silicon Carbide PS-1000	PS-1905	9 in stock	$102.75	Add to cart
7	Shaft Seal, PS-961, 5/8" Shaft, Buna, Carbon Face	PS-961	55 in stock	$11.15	Add to cart
7	Generic Pump Seal PS-3865R	PS-3865R	357 in stock	$18.17	Add to cart
7	Shaft Seal, 1000, 5/8" Shaft, Buna	1000	141 in stock	$5.90	Add to cart
15	Bolt, Pentair American Products Bronze, Clamp Ring	98206600	15 in stock	$27.25	Add to cart
17	Knob, Pent Am Prod UltraFlow/Bronze, Clamp Ring	V38-118	2 in stock	$23.36	Add to cart
21	Motor, Century, 0.75hp, 115v/230v, 1-Spd, 56Cfr, C-Face Key	B121	Available to order	$317.50	Add to cart
21	Motor, Century, 1.0hp, 115v/230v, 1-Spd, M56Cfr, C-Face Key	B122	1 in stock	$394.78	Add to cart
21	Motor, Century, 1.5hp, 115v/230v, 1-Spd, 56Cfr, C-Face Key	B123	4 in stock	$534.20	Add to cart