The Multiquip RB252829 Plunger Ball is a genuine OEM component designed for JB7090, JB8090, JB9180, and JB11090 rebar benders. As a factory-authorized replacement, the RB252829 meets the original build specification of the machine — ensuring consistent seating, correct pressure response, and dependable operation across bending cycles. This part is a direct replacement for the original component and is compatible with the full JB-series rebar bender lineup listed above. DHS Equipment stocks Multiquip OEM parts to help you get your equipment back to work with confidence.
Key Features
- Genuine OEM Ball Seating Integrity — Manufactured to the original hardness and diameter specification, ensuring proper seating pressure and consistent hydraulic response within the bending mechanism.
- Drop-In Replacement — Installs directly into the plunger assembly of compatible JB-series rebar benders without additional machining or fitting adjustments.
- Broad JB-Series Compatibility — Fits JB7090, JB8090, JB9180, and JB11090 rebar benders, covering the full range of Multiquip JB-series bending equipment.
- Consistent Bending Force Transmission — A properly functioning plunger ball maintains even force transfer through the hydraulic circuit, supporting accurate and repeatable rebar bends on every cycle.
- Hydraulic System Integrity — A worn or damaged plunger ball can cause pressure bleed-off or erratic bending force; replacing it with a genuine OEM part restores proper hydraulic containment and control.
The plunger ball is a precision component seated within the hydraulic plunger assembly of a rebar bender. It acts as a check or pressure-control element that regulates fluid movement through the bending circuit, allowing the machine to build and release the force needed to bend steel rebar to the correct angle. When the plunger ball wears, loses its spherical form, or fails to seat correctly, the hydraulic system can lose pressure consistency — resulting in incomplete bends, inconsistent angles, or sluggish machine response. Replacing it with the correct OEM part restores the hydraulic circuit to its original operating specification.
Part Details
| Part Number | RB252829 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Plunger Ball |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rebar Benders | JB7090 |
| Rebar Benders | JB8090 |
| Rebar Benders | JB9180 |
| Rebar Benders | JB11090 |
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.