Pool & Spa Pump Parts
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Hayward Super II Seal KitPS-201 Shaft Seal, Housing & Diffuser Gaskets (SPX1600Z2 / SPX3000T / SPX1600R)
Hayward Super II Seal KitPS-201 Shaft Seal, Housing & Diffuser Gaskets (SPX1600Z2 / SPX3000T / SPX1600R)
Item #N/A
The Hayward Super II seal kit has the three wear parts a Super II rebuild takes: the PS-201 shaft seal (replaces Hayward SPX1600Z2), the SPX3000T housing gasket and the SPX1600R diffuser gasket. It fits Hayward Super II SP3000X and SP3000 series pumps. Built to OEM-equivalent standards or higher.
What’s in the box
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PS-201 shaft seal, 3/4 in. — replaces Hayward SPX1600Z2, in your choice of seal material
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SPX3000T housing gasket — also sold as Aladdin G-345
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SPX1600R diffuser gasket — also sold as Aladdin O-141
The strainer lid O-ring (SPX3000S) is not included.
Only need one part?Every part in this kit is also sold on its own.
- 201c PS-201 shaft seal — 3/4 in., replaces SPX1600Z2
- Hayward SPX3000T housing gasket (G-345)
- Hayward SPX1600R diffuser gasket
- Hayward Super Pump seal kit
Doing the job yourself? Read How to Replace a Mechanical Pump Seal.

Hayward Super Pump Seal KitPS-201 Shaft Seal, Housing & Diffuser Gaskets (SPX1600Z2 / SPX1600T / SPX1600R)
Hayward Super Pump Seal KitPS-201 Shaft Seal, Housing & Diffuser Gaskets (SPX1600Z2 / SPX1600T / SPX1600R)
Item #N/A
The Hayward Super Pump seal kit has the three wear parts a Super Pump rebuild takes: the PS-201 shaft seal (replaces Hayward SPX1600Z2), the SPX1600T housing gasket and the SPX1600R diffuser gasket. It fits Hayward Super Pump SP1600X and SP2600X series pumps and the Super Pump VS. Built to OEM-equivalent standards or higher.
What’s in the box
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PS-201 shaft seal, 3/4 in. — replaces Hayward SPX1600Z2, in your choice of seal material
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SPX1600T housing gasket — also sold as Aladdin G-95
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SPX1600R diffuser gasket — also sold as Aladdin O-141
The strainer lid O-ring (SPX1600S) is not included.
Only need one part?Every part in this kit is also sold on its own.
- 201c PS-201 shaft seal — 3/4 in., replaces SPX1600Z2
- Hayward SPX1600T housing gasket
- Hayward SPX1600R diffuser gasket
- Hayward Super II seal kit
Doing the job yourself? Read How to Replace a Mechanical Pump Seal.

Speck 20mm Pool Pump Mechanical Seal2920343310 / VGM-2920
Speck 20mm Pool Pump Mechanical Seal2920343310 / VGM-2920
Speck 20mm Pool Pump Mechanical Seal — 2920343310 / VGM-2920
Direct-fit aftermarket replacement for the Speck 20mm pool pump shaft seal (OEM 2920343310). Carbon vs. Ceramic faces with a Buna elastomer for reliable sealing in Speck BADU pool and commercial pumps.
Key details:
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Equivalent to VGM-2920
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OEM cross reference: Speck 2920343310
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Common use: general-purpose 20mm Speck pump applications
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Fits: Speck S90, BADU EcoM2 / EcoMV, Model 433, Model 94, 95-series, 21-80 water-feature pumps, and EasyFit
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Cross-refs: U.S. Seal VGM-2920 (Buna) / VGM-2920V (Viton), Aladdin AS-2920, PS-3867
Explore our full line up of OEM seals
Looking for more? Shop Pump Repair Kits, Shaft Seals and Pre-Cut Gaskets
Have questions? Call us anytime- we’re here to help

Sta-Rite / Berkeley / Pentair Diffuser Ring C21-10
Sta-Rite / Berkeley / Pentair Diffuser Ring C21-10
Sta-Rite / Berkeley / Pentair Diffuser C21-10 — Gasket / Seal Ring
Pre-cut diffuser seal ring (C21-10) is a direct replacement component designed for use in Sta-Rite, Berkeley, and Pentair pump systems to maintain proper flow and performance. Sized to seat cleanly on the diffuser for even compression and a leak-tight seal during service or rebuilds.
Cross-reference / Names:
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Part: C21-10 Diffuser
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Also called: Diffuser gasket / seal ring
Compatibility:
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Motor range: ~1–2.5 HP diffuser applications
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Pump families: Sta-Rite / Berkeley / Pentair equivalents
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Also used on: Anthony centrifugal pool pumps (select models)
Why this part:
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Direct-fit profile for quick, reliable installs
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Consistent thickness for uniform sealing pressure
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Smooth edges for easier alignment and reassembly
Explore our full lineup of Pre-cut Gaskets.
Looking for more? Check out our Shaft Seals, Pump Repair Kits , & Parts/Accessories
Have questions?- Call us anytime- we-re here to help

STA-RITE / BERKELEY / PENTAIR DIFFUSER RING C21-2
STA-RITE / BERKELEY / PENTAIR DIFFUSER RING C21-2
Sta-Rite / Berkeley / Pentair Diffuser Ring C21-2
Pre-cut diffuser ring gasket (C21-2) for Sta-Rite, Berkeley, and Pentair D-series / ED-series pumps. Sized to seat cleanly on the diffuser, providing uniform compression and a leak-tight seal after service or rebuilds.
Cross-references & use:
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Part: C21-2 Diffuser Ring
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Also called: D-Series Diffuser O-Ring / Gasket
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Pump families: Sta-Rite D & ED series (Berkeley/Pentair equivalents)
Rebuilding a Sta-Rite D-series pump? The diffuser ring is one of four parts that come out at a standard seal service — you will also need the mechanical seal, the shaft sleeve and the housing gasket.
All four together in one part number:
Sta-Rite D-Series Pump Repair Kit — PS-3883 seal, C23-58 shaft sleeve, this C21-2 diffuser ring and C20-46 gasket
Not sure what your rebuild needs? Call or text 561-414-1046 — no purchase required.
Explore our full lineup of Pre-cut Gaskets.
Looking for more? Check out our Shaft Seals, Pump Repair Kits , & Parts/Accessories
Have questions? Call us anytime-we’re here to help

Sta-Rite / Pentair PW22-1Check Valve Flapper (Flapper Gasket)
Sta-Rite / Pentair PW22-1Check Valve Flapper (Flapper Gasket)
Item #SH-flapper
Sta-Rite / Pentair PW22-1 — Flapper Gasket
The replacement check valve flapper for Sta-Rite DPC Series pumps, Sta-Rite / Pentair part PW22-1. Commonly called a flapper gasket, and listed by the manufacturer as a check valve flapper — the same part under both names.
Lower your cost per gasket with quantity-based pricing—discounts are automatically applied at checkout as your order quantity increases. See the pricing table above.
Fits
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Brand: Sta-Rite / Pentair
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Part: PW22-1
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Series: DPC Series medium head centrifugal and self-priming utility pumps
Need Help?
Not sure this is your part? Send a photo of the old flapper and your pump model to info@sealhouseusa.com, or call or text 561-414-1046 — our specialists will confirm it. No purchase required.
Explore our full lineup of Pre-cut Gaskets.
Looking for more? Check out our Shaft Seals, Pump Repair Kits , & Parts/Accessories
Have questions?- Call us anytime- we-re here to help
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