The Multiquip RE535560 Oil Filler Neck Cap is a genuine OEM component designed for AP6 and AP8 series water pumps. As a direct factory replacement, it delivers the exact fit and sealing performance required to keep your pump's engine oil system properly sealed during operation. This genuine Multiquip part is sourced directly from the manufacturer, ensuring full compatibility with AP6 and AP8 equipment without modification.
Key Features
- Genuine OEM Sealing Integrity — Engineered to the exact thread pitch and sealing surface spec of the original cap, preventing oil vapor escape and contamination ingress at the filler neck.
- Direct-Fit Replacement — Threads directly onto the existing filler neck on AP6 and AP8 water pumps, with no adaptation needed for installation.
- Confirmed Fitment — Verified for Multiquip AP6 and AP8 water pump models.
- Protects Engine Oil from Contamination — A properly seated filler neck cap keeps dust, debris, and moisture out of the oil system, which is critical for pump longevity in field conditions.
- Fuel System Compliance — Maintains the closed crankcase ventilation integrity the engine was designed to operate with, supporting correct oil pressure and lubrication function.
The oil filler neck cap seals the engine's oil fill port, preventing contaminants such as dirt, water, and debris from entering the lubrication system while the pump is in operation or stored. It also contains oil vapors within the crankcase, which is essential for maintaining proper lubrication and preventing oil loss. When this cap is missing, cracked, or no longer sealing correctly, contaminants can enter the oil system and accelerate engine wear, leading to premature failure of internal engine components.
Part Details
| Part Number | RE535560 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Oil Filler Neck 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.
