The Wacker Neuson Valve is a genuine OEM component designed for G25 series portable generators and LTW20Z1 and LTW20Z3 series light towers. Sourced directly from Wacker Neuson, this valve meets the exact specifications required for proper operation across all covered configurations, including Tier 4i and custom variants. It is a verified direct replacement for the original part, covering a wide range of G25 and LTW20Z series machine builds. Always confirm your model and machine number before ordering to ensure this is the correct part for your unit.
Key Features
- Genuine OEM Specification: — Manufactured to Wacker Neuson's original design tolerances, ensuring correct flow characteristics and sealing performance for this valve application.
- Drop-In Replacement: — Installs in the same position as the original valve with no re-engineering; all port dimensions and connections match the original layout.
- Broad Series Coverage: — Fits G25 portable generators and LTW20Z1 and LTW20Z3 light towers, including Tier 4i, custom, and voltage-switchable configurations.
- Sustained System Performance: — A properly functioning valve maintains correct fluid or fuel routing within the machine; a failed valve can cause pressure loss, system irregularities, or operational shutdowns.
- Fuel and Fluid System Integrity: — Correct valve function is critical in generator and light tower applications where fuel system reliability directly affects runtime and safe continuous operation.
A valve in a portable generator or light tower controls the flow of fuel or fluid through a specific circuit within the machine's system. When functioning correctly, it opens and closes on demand to regulate that flow, keeping pressure and delivery consistent. When a valve wears, sticks, or fails, the machine may experience erratic operation, fuel starvation, or loss of output — making timely replacement essential to keeping the unit running as intended.
Part Details
| Part Number | 963601122 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G25 Generator, Custom T4i | G25 | 5000620642, 5200003991, 5200014461, 5100042509, 5100025836 |
| LTW20Z-1, LIGHT TOWER 60Hz, ISUZU, CUSTOM, T4i | LTW20Z1 | 5000620842, 5200023191 |
| LTW20Z-3, LIGHT TOWER 60Hz, ISUZU, CUSTOM, T4i | LTW20Z3 | 5000620843, 5200023192 |
| Light Tower | LTW20Z3-V | 5200012881 |
| LTW20Z1-V S LIGHT TOWER,CUSTOM, TIER 4i | LTW20Z1-V S | 5200018561, 5200023195, 5100022125 |
| LTW20Z3-V S LIGHT TOWER,CUSTOM, TIER 4i | LTW20Z3-V S | 5200018562, 5200023196 |
| Light Tower | LTW20Z1-V | 5200012880 |
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.
