The Wacker Neuson Pin is a genuine OEM component designed for the APT4S and APT4T series water pumps, including cold weather variants. As a factory-sourced part, it is manufactured to the same specifications as the original hardware installed at the time of production, ensuring a direct, hassle-free installation. This Pin is confirmed to fit multiple APT4S and APT4T configurations, covering both surge brake and electric brake pump models across standard and cold weather builds.
Key Features
- Genuine OEM Construction — Sourced directly from Wacker Neuson, this pin is held to the same dimensional tolerances and material grade as the original, ensuring proper load transfer and retention within the assembly.
- Direct-Fit Replacement — Engineered to drop into the existing pin bore without machining or adjustment, maintaining the correct clearance and alignment upon installation.
- Broad APT Series Compatibility — Fits APT4S and APT4T pump models in both standard and cold weather configurations, spanning surge brake and electric brake variants.
- Structural Integrity Maintained — A correctly sized and seated pin keeps connected components properly aligned and secured; a worn or undersized pin can introduce play, accelerate wear on adjoining parts, and compromise the pump assembly's mechanical connection.
- Brake System Relevance — Used across both surge brake and electric brake pump configurations, correct pin fitment is important for maintaining the mechanical integrity of brake-related linkages on trailer-mounted pump units.
A pin is a precision fastening and alignment component used to secure, pivot, or locate two or more mechanical parts in a fixed positional relationship. In water pump assemblies like the APT4S and APT4T, pins are typically used to connect linkage, mounting brackets, or actuating components, holding them in the correct position under operational loads. When a pin wears, bends, or is lost entirely, the parts it connects can shift out of alignment or disengage, leading to accelerated component wear or loss of mechanical function in the assembly.
Part Details
| Part Number | 5200020168 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pin |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
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.
