The Bomag 05903404 Radiator Cap is a genuine OEM component designed for BMP 8500 and BMP 8500 Kubota trench compactors. Sourced directly from Bomag, this radiator cap meets the exact pressure and sealing specifications required to keep the cooling system operating correctly on these machines. This part fits both the BMP 8500 and BMP 8500 Kubota, making it the straightforward, confidence-inspiring choice when servicing your trench compactor's cooling system.
Key Features
- OEM-Calibrated Pressure Rating — engineered to the exact valve and seal specifications Bomag set for the BMP 8500 cooling system, ensuring the cap releases and holds pressure at the correct threshold
- Direct-Fit Replacement — seats flush on the radiator filler neck of the BMP 8500 and BMP 8500 Kubota trench compactors with no rework or adaptation
- Verified Fitment — confirmed compatibility with both the BMP 8500 and BMP 8500 Kubota trench compactor models
- Cooling System Integrity — a properly rated cap maintains the pressurized coolant circuit, raising the boiling point of the coolant and preventing overheating under sustained compaction work
- Genuine Bomag OEM Part — carries the Bomag part number 05903404 and is built to the same standards as the cap installed at the factory, so you know exactly what you are getting
The radiator cap seals the cooling system and regulates internal pressure by controlling when coolant is released to the overflow reservoir and when it is drawn back in. Maintaining the correct pressure raises the boiling point of the coolant, which is critical during the sustained, high-load operation typical of remote-controlled trench compactors like the BMP 8500. A worn or faulty cap that cannot hold rated pressure allows coolant to escape prematurely, leading to overheating, coolant loss, and potential engine damage if left unaddressed.
Part Details
| Part Number | 05903404 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Radiator Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Trench Compactor | BMP 8500 | 00818667, 00824277, 00825393, 00826969, 00827003 |
| Trench Compactor | BMP 8500 Kubota | 00827611 |
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.
