The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the G40, G50, G60, G70, G95, and G110 series portable generators. As a factory-sourced part, it is manufactured to the exact material grade and dimensional tolerances specified for these machines, ensuring a proper seal in the application it was built for. This O-Ring fits a wide range of GP-family generator configurations, including standard, premium, Brazil, and LATAM 50Hz variants across the G-series lineup. When you need a direct, correct-spec replacement, part number is the part to order.
Key Features
- Correct Material Grade for a Sealing Application — Manufactured to the exact compound and durometer specification required for this generator application, maintaining compression integrity under heat and fluid exposure.
- Genuine OEM Sourcing — Produced to Wacker Neuson's original specifications, so the profile, cross-section diameter, and stretch fit match the original component exactly as it seats in the housing.
- Broad G-Series Compatibility — Fits G40, G50, G60, G70, G95, and G110 generator models across multiple regional configurations, including standard, premium, Brazil, and LATAM 50Hz variants.
- Prevents Fluid and Air Ingress — A correctly seated O-Ring keeps fluid or air pathways properly sealed; a worn or cracked O-Ring can result in leaks, pressure loss, or contamination that affects generator operation.
- Fast Turnaround on Service — A small consumable part that is frequently overlooked during service intervals; having the correct OEM O-Ring on hand keeps seal replacements straightforward and clean.
An O-Ring is a precision-molded loop of elastomeric material used to create a leak-proof seal between two mating surfaces or within a fluid or air circuit. In a portable generator, O-Rings are used throughout fuel, oil, and coolant pathways to prevent leakage and maintain system pressure. Over time, heat cycling, exposure to fuels and fluids, and general compression fatigue cause O-Rings to harden, crack, or deform — at which point they lose their ability to seal effectively and must be replaced. Using the correct OEM-spec O-Ring, such as Wacker Neuson part 5200021341, ensures the replacement matches the original groove geometry and fluid compatibility requirements of the G-series generator application.
Part Details
| Part Number | 5200021341 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G95 | 5200016642, 5200020677, 5100029186 |
| Mobile Generator | G60 | 5200015951, 5200016641, 5100029185 |
| G70 | G70 | 5200015952, 5100022041, 5100022040 |
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| Generator | G50 | 5200015909, 5100022009, 5100022008 |
| G110 Generator, Brazil, Value | G110 | 5100022042, 5100022043 |
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.