Wacker Neuson 5000074643 Oil Filler Cap

The Wacker Neuson is a genuine OEM Oil Filler Cap designed for a wide range of Wacker Neuson walk-behind concrete trowels, vibratory plate compactors, trash pumps, portable generators, and power buggies. As a factory-original component, the is manufactured to the exact dimensions and material specifications required for a correct seal on the oil fill port. Compatible machines include CT36 and CT48 series walk-behind trowels, PT2A and PT3A centrifugal trash pumps, WP and VPA series vibratory plates, G2.1A and G3.3A series portable generators, WB16A series power buggies, and additional models in the PDT, PDI, BPU, and BPS families. With such a broad fitment range, always confirm your machine's model number and serial number before ordering to ensure the is the correct cap for your application.

Key Features

• OEM Sealing Integrity — Manufactured to Wacker Neuson's original thread pitch and material spec, ensuring the cap seats and seals the oil fill port correctly without leakage.
• Direct Thread-In Replacement — Installs directly onto the existing oil fill port with no additional hardware or modification to the filler neck.
• Broad Cross-Family Fitment — A single part number covering CT36 and CT48 trowels, PT2A and PT3A trash pumps, WP and VPA vibratory plates, G2.1A through G5.7A generators, and WB16A power buggies, among others.
• Contamination Prevention — A properly seated oil filler cap blocks dirt, debris, and moisture from entering the crankcase or engine oil system, protecting internal components from accelerated wear.
• Fuel and Oil System Safety — A failed or missing oil filler cap can allow oil vapor to escape and create slip hazards on the work surface; replacing a damaged cap promptly keeps the machine and the operator safe.

The oil filler cap closes and seals the engine's oil fill port, keeping the lubricating oil in and contaminants out during operation. When the cap is cracked, missing, or no longer seating properly, oil can be lost through splash or evaporation, and airborne particles can enter the crankcase and accelerate engine wear. Replacing a damaged cap with a correct-fit OEM part like the Wacker Neuson 5000074643 is a low-cost step that protects far more expensive internal engine components across the many machine families this cap serves.

Part Details

Compatibility & Fitment

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.