The Multiquip 1G89713110 Inlet Valve D1503 is a genuine OEM component designed for D1503 engine-equipped Multiquip equipment. Sourced directly through Multiquip's authorized parts network, this inlet valve is manufactured to the exact specifications required by the D1503 engine. Choosing a genuine OEM part ensures the valve seats, dimensions, and material grades match what the engine was originally built with. If you're servicing a D1503-powered unit, the part is the correct OEM replacement to restore proper engine function.
Key Features
- OEM-Grade Valve Material — Manufactured to the precise hardness and heat-tolerance specifications required by the D1503 engine, ensuring proper seating and long service life under combustion temperatures.
- Direct Drop-In Replacement — Matches the original valve stem diameter, head profile, and seating angle of the D1503 engine for a straightforward installation without machining or adaptation.
- Confirmed D1503 Fitment — Specifically engineered for D1503 engine applications across the Multiquip equipment lineup; verify your engine model before ordering.
- Restored Combustion Efficiency — A correctly functioning inlet valve maintains proper air-fuel charge delivery into the combustion chamber, supporting full power output and fuel efficiency across operating loads.
- Fuel System Integrity — A worn or damaged inlet valve allows compression loss and uncontrolled blowback into the intake, which can create a fire risk in fuel-adjacent systems — using a correctly rated OEM valve is essential for safe engine operation.
The inlet valve controls the flow of the air-fuel mixture into the engine's combustion chamber during the intake stroke. It opens to admit the charge and closes tightly to seal the chamber during compression and combustion, allowing the engine to build the pressure needed to produce power. When an inlet valve wears, burns, or loses its seating surface, compression drops, the engine loses power, runs roughly, and can become difficult or impossible to start. Replacing a failed inlet valve with the correct OEM part — such as the Multiquip 1G89713110 — restores the engine's sealing integrity and returns it to full working condition.
Part Details
| Part Number | 1G89713110 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Inlet Valve 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.