The Wacker Neuson Main Bearing Set is a genuine OEM component designed for the G50 portable generator series. Sourced directly from Wacker Neuson, this set carries the same precision tolerancing and material specifications as the original factory fitment, ensuring consistent crank journal clearances and proper load distribution across the bearing surfaces. Verified compatible with G50 generator models, this is the correct OEM replacement when a bearing inspection or engine rebuild is on the schedule.
Key Features
- OEM Precision Tolerancing — Manufactured to exact journal clearance specifications, maintaining the oil film thickness needed to protect crankshaft surfaces under load.
- Drop-In Engine Rebuild Fit — Engineered to match original bearing seat dimensions and crush specifications, so installation follows standard Wacker Neuson rebuild procedures without modification.
- G50 Generator Compatibility — Confirmed fitment for Wacker Neuson G50 portable generator models, including Brazil Premium variants.
- Crankshaft Protection — Correctly sized bearings maintain proper oil pressure throughout the engine, preventing accelerated wear on the crankshaft journals that worn or undersized bearings would cause.
- Fuel System and Electrical Safety Assurance — Genuine OEM certification means the set meets Wacker Neuson's material and hardness standards, critical when a generator is powering sensitive equipment or operating in demanding site conditions.
Main bearings support the crankshaft as it converts the up-and-down motion of the pistons into rotational output. They ride on a thin film of pressurized engine oil, which prevents metal-to-metal contact between the crank journals and the bearing shells. When bearings wear, that oil film breaks down — leading to increased clearances, falling oil pressure, audible knocking, and ultimately catastrophic crankshaft damage if the engine continues to run. Replacing the bearing set at the correct service interval or at the first sign of wear keeps the engine's rotating assembly operating within spec and protects the generator's long-term output capability.
Part Details
| Part Number | 1000315403 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Main Bearing Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G50 Generator, Brazil, Premium | G50 | 5100022009, 5100022008 |
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.