The Wacker Neuson 5200020508 is a genuine OEM Primary Fuel Filter Element designed for the G50 generator series and the APT6S, APT6T, APT8S, and APT8T pump series. As a direct OEM replacement, this filter element is manufactured to the same specifications as the original component and is backed by Wacker Neuson's parts program. Compatible across a wide range of G50 mobile generator configurations — including standard, cold weather, extended run tank, and skid-mounted variants — as well as multiple APT-series pump configurations in both trailer-mounted and skid-mounted form. Keeping this element fresh is one of the simplest ways to protect the engine's fuel system and maintain consistent field performance.
Key Features
- Genuine OEM Filtration Media — Built to the exact porosity and flow specifications Wacker Neuson requires for this application, ensuring the fuel system receives consistent, clean fuel delivery.
- Drop-In Element Replacement — Designed to seat directly into the OEM filter housing on G50 and APT-series units, keeping the swap straightforward with no modifications to fittings or brackets.
- Broad Series Coverage — Fits G50 mobile generators across standard, cold weather, extended run tank, and skid-mounted builds, plus APT6S, APT6T, APT8S, and APT8T pumps in both trailer and skid configurations.
- Protects Engine Injection Components — A fresh primary element prevents particulates and water contamination from reaching injectors and fuel pump internals, where damage is costly and often non-serviceable in the field.
- Fuel System Integrity — Degraded or clogged filter elements can cause hard starts, rough running, and power loss under load — replacing on schedule with part number 5200020508 keeps output steady and prevents unplanned shutdowns.
The primary fuel filter element is the first line of defense in the engine's fuel delivery system. It captures particulates, sediment, and free water before they can travel downstream to the fuel pump and injectors. On diesel-powered equipment like the G50 generator and APT-series pumps, injector cleanliness is critical — even small amounts of contamination can cause wear, erratic power output, or hard starting. When the element becomes clogged or saturated, fuel flow is restricted, which can cause the engine to run lean, overheat, or shut down under load.
Part Details
| Part Number | 5200020508 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Primary Fuel Filter Element |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G50-GENERATOR, SKID BASE, CUSTOM T4i | G50 | 5200001062, 5200001063, 5200006878, 5200001317, 5200001060, 5200001061, 5000620710, 5000620964, 5000620966, 5000620965, 5100026954, 5100029210, 5100025812, 5100026956, 5100026955 |
| APT6T Pump, Surge Brake | APT6T | 5200019646, 5200019647 |
| APT6T Pump, Electric Brake, Cold Weather | APT6T CW | 5200019795, 5200019794 |
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT8T Pump, Surge Brake | APT8T | 5200019648, 5200019649 |
| 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.