The Multiquip 12915852020 Diaphragm is a genuine OEM component designed for T23, T26, and T33 ride-on rollers. Sourced directly from Multiquip, this diaphragm meets the exact material and dimensional specifications of the original part installed at the factory. It is a confirmed fitment for T23, T26, and T33 series machines, making it a straightforward like-for-like swap. Keep this part on hand as a service spare to avoid extended downtime on active compaction work.
Key Features
- Genuine OEM Material Integrity — Manufactured to Multiquip's original compound and thickness specifications, ensuring correct flex response and sealing performance under operating pressure.
- Direct-Fit Replacement — Matches the original mounting profile and port dimensions for a clean installation without modification to the housing or fasteners.
- Confirmed Fitment for T23, T26, and T33 — Verified for use across all three ride-on roller models in this series, covering a range of compaction applications.
- Consistent Pressure Regulation — A correctly functioning diaphragm maintains stable fluid or air pressure within the system; a cracked or fatigued unit leads to pressure loss and unreliable machine response.
- Fuel System Safety Relevance — When used in a carburetor or fuel pump application, a sound diaphragm prevents unmetered fuel delivery and potential fuel leakage, supporting safe machine operation.
A diaphragm is a flexible membrane that separates two chambers within a pump, carburetor, or valve assembly, using its deflection to move fluid or regulate pressure. It transfers mechanical motion or pressure differentials across the barrier without allowing the two media to mix. When a diaphragm becomes brittle, cracked, or perforated through heat cycling and age, the assembly loses its ability to maintain consistent flow or pressure, which can result in hard starting, irregular operation, or complete system failure. Replacing a worn diaphragm promptly restores proper function and protects surrounding components from secondary wear.
Part Details
| Part Number | 129158-52020 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Diaphragm |
Compatibility & Fitment
| Name | Model |
|---|---|
| Ride-On Rollers | T23 |
| Ride-On Rollers | T26 |
| Ride-On Rollers | T33 |
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.
