The Wacker Neuson 503 49 10-01 is a genuine OEM Oil Filter designed for the G-Series portable generator line, covering the G70, G100, G130, G150, G180, and G230 families across Standard, Cold Weather, Custom, and Mobile configurations. As a factory-sourced component, this Oil Filter is built to meet Wacker Neuson's exact engine protection standards for Tier 4 Final and Tier 4i emissions-compliant units. It installs as a direct drop-in replacement, ensuring correct thread engagement and bypass valve operation without any guesswork. If you're servicing a G-Series generator — whether it's a stationary standby unit or a Transport Canada-spec mobile generator — part number 503 49 10-01 is the correct oil filter for the job.
Key Features
- Genuine OEM Engine Protection — Manufactured to Wacker Neuson's exact filtration efficiency and pressure drop specifications, so the engine oil stays clean and within the narrow tolerances required by Tier 4 Final diesel engines.
- Direct Thread-In Replacement — Matches the OEM thread pitch, gasket diameter, and seating surface of the original filter for a leak-free, tool-standard installation on G-Series generators.
- Broad G-Series Compatibility — Confirmed fitment across G70, G100, G130, G150, G180, and G230 generator models in Standard, Cold Weather, Custom, Mobile, and Hertz variants including Transport Canada-spec units.
- Engine Longevity Under Load — A properly functioning oil filter removes metallic particles and contaminants that accelerate bearing and cylinder wear; a clogged or incorrect filter starves lubrication and shortens engine life significantly.
- Correct Bypass Valve Rating — The integrated bypass valve is rated to open at the OEM pressure threshold, preventing oil starvation during cold starts without allowing unfiltered oil to circulate under normal operating conditions.
An oil filter traps abrasive particles, soot, and metal debris suspended in engine oil before they can reach critical moving components such as crankshaft bearings, camshafts, and cylinder walls. In a diesel-powered generator running under continuous or high-cycle load, the filter works alongside the oil to maintain a clean lubrication film — which is the primary line of defense against premature engine wear. When an oil filter becomes blocked, clogged, or is the wrong specification for the engine, oil pressure drops, lubrication becomes inconsistent, and internal engine damage can follow quickly. Regular replacement with the correct OEM filter at every service interval is one of the most cost-effective ways to protect the generator's engine investment.
Part Details
| Part Number | 503 49 10-01 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Filter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G230 Generator, Custom T4i | G230 | 5000620883, 5000620881, 5000620882, 5200007862, 5200010141, 5200010142, 5200010143, 5100015614, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847 |
| G180 Generator, Custom T4i | G180 | 5000620886, 5000620884, 5200007861, 5000620885, 5200010140, 5200010138, 5200010139, 5100015615, 5100045089, 5100045575, 5100045576, 5100045590, 5100045591, 5100045592, 5100049844, 5100049845 |
| G150, custom | G150 | 5000620889, 5200007860, 5200023235, 5000620887, 5000620888, 5200014784, 5200023236, 5200010135, 5200010136, 5200010137, 5200023237, 5100045088, 5100045570, 5100045571, 5100049841, 5100049842, 5100049843, 5100036309 |
| G130 Generator, Standard T4i | G130 | 5200023232, 5200023233, 5200023234, 5100045087, 5100045559, 5100045560, 5100045564, 5100045565, 5100045566, 5100049838, 5100049839, 5100049840, 5100036308 |
| G70 Generator, Standard T4F | G70 | 5200023226, 5200023227, 5200023228, 5100042499, 5100036306, 5100042496, 5100042497, 5100042498, 5100042500 |
| G100 | G100 | 5100045086, 5100045498, 5100033310, 5100045499, 5100045553, 5100045554, 5100045555, 5100033311, 5100049835, 5100049836, 5100049837, 5100033312, 5100036307 |
| G150 Generator,Hertz,T4 Final | G150 Generator,Hertz,T4 Final | 5100015616 |
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.
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