The Multiquip KV25481 Radiator Filler Cap is a genuine OEM component designed for AP6 and AP8 series water pumps. As a factory-sourced part, it meets the exact pressure and sealing specifications required by these machines, ensuring the cooling system operates as intended. This cap is a direct OEM replacement for AP6 and AP8 units, making it the correct choice when restoring a compromised cooling system seal.
Key Features
- Correct Pressure Rating: — Engineered to hold the precise system pressure required by AP6 and AP8 cooling circuits, preventing premature coolant loss or system over-pressurization.
- Genuine OEM Sourcing: — Sourced directly from Multiquip, this cap matches the original component in material, thread pitch, and valve tolerancing — no guesswork on fitment.
- Confirmed Fitment: — Verified for AP6 and AP8 Multiquip water pumps; cross-reference part number KV25481 before ordering to confirm compatibility with your unit.
- Cooling System Integrity: — A properly sealing radiator cap maintains the correct coolant boiling point and system pressure, protecting the engine from overheating under load.
- Direct Drop-In Replacement: — Threads directly onto the existing radiator filler neck with no adaptation needed, restoring the sealed system immediately upon installation.
The radiator filler cap seals the cooling system and maintains the pressure necessary to raise the coolant's boiling point, keeping the engine operating within its safe temperature range. When the cap's pressure valve weakens or its sealing gasket deteriorates, coolant can boil off or escape, leading to overheating and potential engine damage. Replacing a worn cap with a correctly rated OEM unit like the part is one of the simplest and most effective steps in routine cooling system maintenance.
Part Details
| Part Number | KV25481 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Radiator Filler Cap |
Compatibility & Fitment
| Name | Model |
|---|---|
| Water Pumps | AP6 |
| Water Pumps | AP8 |
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.