The Wacker Neuson Carburetor Insulator is a genuine OEM component designed for the RD12A-90 and RD11A series tandem rollers. As a direct OEM part, is manufactured to the same specifications as the original, ensuring correct fitment with the carburetor and engine block interface on these machines. Confirmed compatible models include the RD12A-90 Tandem Roller, RD12A-90 Tandem Roller with Foldable ROPS, RD11AEC Hydrostatic Double Drum Vibratory Roller, and RD11A Hydrostatic Double Drum Vibratory Roller. Sourcing the correct insulator keeps the fuel system operating as intended and avoids the complications that come with an ill-fitting replacement.
Key Features
- Genuine OEM Heat Isolation: — Manufactured to Wacker Neuson's original material and thickness specifications, delivering the correct thermal barrier between the carburetor and engine block.
- Verified Carburetor Interface Fit: — Mounts directly to the carburetor inlet on RD12A-90 and RD11A series engines with no rework to the mounting surface or hardware.
- Broad RD-Series Compatibility: — Fits the RD12A-90 Tandem Roller (including Foldable ROPS variant), RD11AEC, and RD11A Hydrostatic Double Drum Vibratory Rollers.
- Fuel System Integrity: — A properly seated insulator prevents heat soak into the carburetor body, helping maintain consistent fuel atomization and stable engine performance on the roller.
- Fuel System Safety: — Correct insulation at the carburetor-to-engine junction reduces the risk of vapor lock and heat-related fuel delivery issues, which are critical considerations on fuel system components.
The carburetor insulator — sometimes called a heat spacer or intake insulator — sits between the carburetor and the engine intake port, acting as a thermal barrier. Its job is to prevent engine heat from conducting into the carburetor body, which can cause fuel to vaporize prematurely inside the carb and disrupt the air-fuel mixture. When the insulator cracks, warps, or deteriorates, the result is often hard starting, rough idling, or erratic throttle response as the engine struggles to maintain a consistent fuel charge — all conditions that directly affect compaction output on a tandem roller.
Part Details
| Part Number | 5000152360 |
|---|---|
| Old Part Number | 0152360 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carburetor Insulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 Tandem Roller | RD12A-90 | 5000620058, 5000620320, 5000620369 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
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.
