The Wacker Neuson 5100036374 Insert is a genuine OEM component designed for the APT4S and APT4T series self-priming pumps. As a direct OEM replacement, this insert is manufactured to Wacker Neuson's original specifications, ensuring it seats and fits exactly as the factory-installed part. Verified fitment spans the full APT4S and APT4T lineup, including standard, cold weather, electric brake, and surge brake configurations.
Key Features
- Genuine OEM Material Integrity — Produced to the exact material grade and dimensional tolerances Wacker Neuson specifies for this insert, so sealing surfaces and contact points perform as engineered.
- Drop-In Replacement — Matches the original mounting profile and contact geometry, allowing direct installation without rework or additional hardware.
- Broad APT Series Fitment — Compatible with APT4S and APT4T pumps across standard, cold weather, electric brake, and surge brake variants, covering six distinct machine configurations.
- Maintains Pump Flow Integrity — A correctly installed insert preserves the internal fluid path and pressure containment within the pump housing; a worn or damaged insert can lead to bypass leakage and reduced output performance.
- Verified OEM Part Number — Part number 5100036374 cross-references directly to Wacker Neuson's parts catalog, so you can order with confidence that you're receiving the correct component for your machine.
An insert in a self-priming pump serves as a precisely fitted internal component that maintains the integrity of the fluid path or sealing zone within the pump housing. It works in conjunction with surrounding pump components to control flow direction, prevent bypass, and protect mating surfaces from wear and cavitation damage. When an insert degrades or is improperly seated, pump efficiency drops, output pressure becomes inconsistent, and internal components can be exposed to accelerated wear.
Part Details
| Part Number | 5100036374 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Insert |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| APT4T Pump, Electric Brake | APT4T | 5200019644, 5200019643 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
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.
