The Multiquip EE53596 Upper Water Tube is a genuine OEM component designed for the QST30 series. As a factory-sourced part, it meets the original engineering specifications for material grade, diameter, and routing geometry — ensuring a correct installation without the guesswork of an unverified alternative. DHS Equipment stocks this part to keep your QST30 running without unnecessary delays.
Key Features
- OEM Material and Dimensional Integrity — Manufactured to the original wall thickness and heat-resistance rating required for coolant-circuit service in the QST30.
- Direct-Fit Routing — Engineered to follow the original coolant path and connect to OEM fittings without trimming, adapting, or repositioning adjacent hoses.
- Confirmed QST30 Compatibility — Sourced and validated specifically for QST30 series equipment, eliminating cross-fit uncertainty at the point of installation.
- Sustained Coolant Flow — A correctly seated upper water tube maintains consistent flow between cooling system components; a cracked or collapsed tube causes overheating and unplanned shutdowns.
- Fuel and Coolant System Safety — A sound upper coolant tube prevents pressurized fluid from escaping near hot engine surfaces, reducing burn and fire risk during operation.
The upper water tube is a critical link in the engine's cooling circuit, carrying coolant from the upper portion of the engine to the radiator or the next cooling component in the loop. It works under constant thermal cycling — expanding when hot, contracting when cool — which gradually hardens, cracks, or collapses the tube wall over time. When the tube fails, coolant flow is restricted or lost entirely, causing engine temperatures to spike and potentially leading to head gasket failure or seized components if the machine continues to run.
Part Details
| Part Number | EE53596 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Upper Water Tube |
Compatibility & Fitment
| Name | Model |
|---|---|
| QST30 | QST30 |
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.
