The Wacker Neuson is a genuine OEM Gasket/O-Ring Set designed for the PS4-7503HH and PS4-7503HF submersible pump series. As a direct Wacker Neuson OEM part, the is manufactured to the same material and dimensional standards as the original set installed at the factory, ensuring proper compression, sealing surface contact, and fluid-tight integrity throughout the pump assembly. This set covers PS4-7503HH configurations including 220V/60Hz and 440V/60Hz variants, as well as PS4-7503HF 100mm/4-inch high-output models in both voltage ratings. When your submersible pump shows signs of leakage or is being rebuilt after service, replacing the full Gasket/O-Ring Set with genuine parts is the correct first step to restoring dependable pump performance.
Key Features
- OEM-Grade Sealing Material — Manufactured to Wacker Neuson's original compound and durometer specifications, delivering the compression retention needed to maintain fluid-tight seals under continuous submersed operation.
- Complete Set for Full Pump Service — Includes all gaskets and O-rings required for a thorough service or rebuild, so no sealing surface is left with a worn component after reassembly.
- Confirmed Fitment for PS4-7503HH and PS4-7503HF — Verified for both the HH and HF model variants across 220V and 440V/60Hz configurations, covering the full range of this PS4 pump family.
- Leak Prevention at the Source — A compromised gasket or O-ring in a submersible pump allows water ingress into the motor housing or bypasses pump discharge — replacing these seals at the first sign of weeping prevents escalating damage to the motor and impeller.
- Correct Fit for Reassembly Confidence — Each piece in this genuine OEM set matches the original bore size, groove profile, and thickness, so components seat correctly without trimming, shimming, or adaptation during reinstallation.
Gaskets and O-rings are the primary barriers between the wet hydraulic end and the sealed motor section of a submersible pump. They maintain pressure boundaries at mating surfaces — pump housings, shaft passages, and port connections — preventing water from migrating into areas where it causes corrosion, electrical faults, or bearing failure. Over time, submersion cycles, temperature changes, and mechanical vibration cause these seals to compress, harden, or crack, leading to slow leaks that worsen under load. Replacing the full Gasket/O-Ring Set during any major service interval or at the first sign of seepage is the most cost-effective way to extend the service life of the pump assembly.
Part Details
| Part Number | 5000163027 |
|---|---|
| Old Part Number | 0163027 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Gasket/O-Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PS4-7503HH | PS47503HH | 5000008856, 5000008857, 5000009147, 5000009148 |
| PS4-7503HF | PS47503HF | 5000008862, 5000008863, 5000009150, 5000009151 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.