The Wacker Neuson 5100036722 is a genuine OEM Diode designed for the APT6S, APT6T, APT8S, and APT8T pump series, including skid-mounted, surge brake, electric brake, and cold weather configurations. As a factory-original component, it is manufactured to the same specifications as the part it replaces, ensuring correct electrical operation within the braking and control circuit. This Diode is a direct replacement for both standard and cold weather variants across the APT6 and APT8 pump families, covering a wide range of trailer-mounted and skid-mounted configurations.
Key Features
- Genuine OEM Electrical Integrity — Factory-original diode manufactured to the correct forward voltage and current-handling specification for this pump series, ensuring proper one-directional current flow without substitution guesswork.
- Drop-In Replacement — Matches the original connector and mounting configuration, allowing straightforward installation into the brake or control circuit without circuit modification.
- Broad APT Series Fitment — Compatible with APT6S, APT6T, APT8S, and APT8T pumps across surge brake, electric brake, skid-mounted, and cold weather variants.
- Protects Circuit Components — A correctly functioning diode blocks reverse current that can damage sensitive control components; a failed diode can allow backfeed that disables the brake system or other downstream electronics.
- Brake System Safety Relevance — This diode is integral to the electric and surge brake control circuit; replacing a failed unit restores proper braking function and helps maintain safe towing and operation compliance.
A diode is a small but critical electrical component that allows current to flow in only one direction through a circuit. In trailer-mounted pump applications like the APT series, the diode protects the brake controller and associated wiring from reverse voltage spikes that can occur during operation or when the power supply is disconnected. When a diode fails — either by going open-circuit or by shorting — it can cause erratic brake behavior, blown fuses, or complete loss of brake system function, making prompt replacement essential for safe operation.
Part Details
| Part Number | 5100036722 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diode |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT6T Pump, Electric Brake, Cold Weather | APT6T CW | 5200019795, 5200019794 |
| APT6T Pump, Surge Brake | APT6T | 5200019646, 5200019647 |
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
| APT8T Pump, Surge Brake | APT8T | 5200019648, 5200019649 |
| APT8T Pump, Electric Brake, Cold Weather | APT8T CW | 5200019797, 5200019796 |
| 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.
