The Multiquip 1A02173012 Thermostat Assembly D1503 is a genuine OEM component designed for equipment powered by the Kubota D1503 engine. Sourced directly from Multiquip, this assembly ensures the engine cooling system operates exactly as engineered, maintaining the correct coolant temperature range for reliable engine performance. Confirm your engine model code is D1503 before ordering to ensure a correct match.
Key Features
- OEM-Spec Thermal Rating — Opens and closes at the manufacturer-specified temperature threshold, keeping the D1503 engine within its designed operating range.
- Direct-Fit Assembly — Engineered to seat correctly in the D1503 thermostat housing with no rework or adapting required at installation.
- D1503 Engine Fitment — Confirmed for equipment running the Kubota D1503 engine; verify your engine code before ordering.
- Protects Against Overheating — A functioning thermostat prevents the engine from running too hot or too cold — both conditions that accelerate wear and can cause costly internal damage.
- Genuine OEM Confidence — Produced to Multiquip OEM standards, so the fit, materials, and thermal response match the original component exactly.
The thermostat is a temperature-sensitive valve in the engine's cooling circuit. When the engine is cold, it stays closed, allowing coolant to circulate only within the engine block so the motor reaches operating temperature quickly. Once the coolant hits the design threshold, the thermostat opens and allows flow through the radiator to shed heat. A stuck-open thermostat causes the engine to run cold and lose efficiency; a stuck-closed thermostat traps heat and leads to overheating. Replacing a failed thermostat promptly with a correctly rated assembly like the part keeps the D1503 engine in its optimal thermal window and protects internal components from heat-related wear.
Part Details
| Part Number | 1A02173012 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Thermostat Assembly D1503 |
Compatibility & Fitment
| Name | Model |
|---|---|
| D1503 | D1503 |
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.
