The Wacker Neuson 5100049944 is a genuine OEM Gasket designed for the APT6T CW and APT8T CW trailer-mounted pump series and the APT6S CW and APT8S CW skid-mounted pump series, covering both electric brake and surge brake configurations. As a genuine OEM part, the 5100049944 is manufactured to the same specifications as the original component installed at the factory, ensuring a direct, trouble-free installation without the guesswork of adapting an off-spec replacement. This gasket is the correct service part for cold weather APT pump variants, making it an essential item for scheduled maintenance or seal replacement work on these machines.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the original material and compression specification for APT pump gaskets, ensuring a proper fluid-tight seal under operating conditions.
- Direct Drop-In Replacement — Engineered to match the original mating surfaces exactly, so installation follows the standard service procedure without rework or shimming.
- Broad APT Cold Weather Fitment — Compatible with APT6T CW and APT8T CW trailer pump models (electric brake and surge brake) as well as APT6S CW and APT8S CW skid-mounted pump models.
- Protects Pump Performance — A correctly seated gasket prevents fluid bypass and pressure loss; a deteriorated or improperly fitted gasket can lead to leaks, contamination, and reduced pumping efficiency.
- Sourced from Wacker Neuson — Carries full OEM part traceability, so you can be confident the 5100049944 matches the original design intent for your cold weather APT pump.
A gasket creates a static seal between two mating surfaces within the pump assembly, preventing fluid, pressure, or contaminants from escaping the joint. In a cold weather pump application, maintaining an effective seal is especially critical because temperature cycling and seasonal operation can accelerate gasket compression set and degradation. When a gasket fails, the result is typically a visible leak, a loss of system pressure, or the ingress of contaminants that can damage internal pump components — making timely replacement essential to keeping the pump operating correctly.
Part Details
| Part Number | 5100049944 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT6T Pump, Electric Brake, Cold Weather | APT6T CW | 5200019795, 5200019794 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
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.