The Wacker Neuson Inline Check Valve is a genuine OEM component designed for the RD12, RD16, and CB14B series tandem rollers and soil and asphalt compactors. As a factory-sourced part, it meets the exact design and material specifications of the original component installed at the time of manufacture. This valve fits a broad range of configurations across the RD12A-90, RD12-90, RD16-90, RD16-100, CB14B-900, and CB14B-1000 model variants. Sourcing the correct OEM inline check valve helps ensure the hydraulic or fluid system continues to operate within designed parameters without the guesswork of adaptation.
Key Features
- OEM-Spec Flow Control: — Manufactured to the original one-way flow tolerance, ensuring fluid passes in the correct direction and seats properly under operating pressure.
- Drop-In Replacement: — Matches the original inline port dimensions and thread or barb interface, so it installs directly into the existing fluid line without modification.
- Broad Model Coverage: — Confirmed fitment across RD12-90, RD12A-90, RD16-90, RD16-100 tandem rollers and CB14B-900 and CB14B-1000 soil and asphalt compactors.
- Prevents Backflow Damage: — A properly functioning inline check valve stops reverse fluid flow that can cause pressure loss, pump damage, or erratic hydraulic response in the compaction system.
- Genuine Wacker Neuson Part: — Sourced directly from Wacker Neuson, carrying the same part number (5200011143) used in the OEM parts system for traceability and accurate reordering.
An inline check valve is a one-way flow device installed within a fluid line — typically in a hydraulic or water system — that allows flow in a single direction while blocking reverse flow. In a tandem roller or compactor, this prevents backpressure from destabilizing the system, protects upstream components such as pumps and solenoids from pressure spikes, and maintains consistent circuit behavior during operation. When the valve wears, sticks open, or fails to seat correctly, reverse flow can cause sluggish response, pressure bleed-down, or accelerated wear on connected hydraulic components.
Part Details
| Part Number | 5200011143 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Inline Check Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD16-90 Vibratory Roller | RD16-90 | 5000620060, 5000620127, 5000620799 |
| RD 16-100 | RD16-100 | 5000620402, 5000620798 |
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| Soil and Asphalt Compaction | CB14B-900 | 5200004071, 5200004073, 5200004074, 5200005252, 5200019030 |
| Soil and Asphalt Compaction | CB14B-1000 | 5200004072, 5200004688, 5200019031 |
| Water System cpl. | Water System cpl. | 5100045168 |
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.
