The Wacker Neuson is a genuine OEM Honda Exhaust Manifold designed for the RD12A-90 tandem roller series. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component it replaces. It is confirmed compatible with the RD12A-90 Double Drum, standard Tandem Roller, and Foldable ROPS configurations. When it comes to engine exhaust components, using the correct OEM part ensures proper fitment, sealed joints, and uninterrupted operation on the jobsite.
Key Features
- Genuine OEM Casting Integrity — manufactured to the same material grade and port geometry as the original Honda exhaust manifold, ensuring correct gas flow and sealing at every joint.
- Drop-In Honda Engine Compatibility — engineered to align directly with the Honda engine mount points and exhaust port pattern on the RD12A-90, eliminating guesswork during installation.
- Broad RD12A-90 Coverage — fits the RD12A-90 Double Drum, standard Tandem Roller, and Foldable ROPS variants, making it the correct choice across the RD12A-90 production range.
- Exhaust Seal Performance — a properly seated exhaust manifold prevents hot gas leaks that can damage surrounding components, create hazardous conditions for the operator, and degrade engine efficiency over time.
- Emissions and Safety Compliance — a sound exhaust manifold maintains the engine's designed exhaust routing, which is critical for operator safety and compliance with emissions standards on confined or regulated worksites.
The exhaust manifold collects spent combustion gases from the engine's cylinders and routes them into the exhaust system for safe discharge away from the machine. On Honda-powered equipment like the RD12A-90 tandem roller, the manifold must maintain a gas-tight seal at both the cylinder head and exhaust outlet to prevent hot gas leaks that can warp nearby components or expose operators to fumes. A cracked, warped, or otherwise compromised manifold typically presents as exhaust noise, reduced engine performance, and visible soot around the joint — all signs that replacement with part 5000164441 is needed.
Part Details
| Part Number | 5000164441 |
|---|---|
| Old Part Number | 0164441 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Honda Exhaust Manifold |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
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.
