The Multiquip 12850298 Valve Stem Seal F3M1008 LT12-D is a genuine OEM valve stem seal designed for the LT12D light tower and F3M1008 engine. As a factory-sourced component, 12850298 is manufactured to the exact material and dimensional specifications required by the original engine design. This seal is the correct OEM replacement for maintaining proper valve train integrity on LT12D-equipped machines powered by the Lombardini F3M1008 diesel engine.
Key Features
- OEM-Grade Elastomer Sealing — Manufactured from the same high-temperature-resistant rubber compound specified for the Lombardini F3M1008 engine, ensuring a proper compression seal around each valve stem.
- Drop-In Valve Train Fit — Engineered to the exact stem diameter and lip geometry of the original seal, seating correctly on the valve guide without reworking or resizing.
- Compatible with LT12D and F3M1008 — Confirmed fitment for Multiquip LT12D light tower units equipped with the Lombardini F3M1008 three-cylinder diesel engine.
- Controls Oil Consumption and Emissions — A correctly functioning valve stem seal meters oil precisely at the valve guide interface, preventing oil from being drawn into the combustion chamber and causing blue exhaust smoke or fouled injectors.
- Critical Engine Sealing Component — A worn or cracked valve stem seal allows uncontrolled oil entry into the combustion chamber, leading to elevated oil consumption, carbon buildup, and potential engine damage if left unaddressed.
A valve stem seal fits over the valve stem at the top of the valve guide and controls the thin film of oil that lubricates the stem as it moves up and down. Without a properly functioning seal, engine oil is pulled past the guide and burned in the combustion chamber. This causes increased oil consumption, blue-gray exhaust smoke, and carbon deposits on the valves and combustion surfaces. Replacing a failed valve stem seal with the correct OEM part — such as Multiquip 12850298 — restores proper lubrication control and protects the engine from the downstream damage that unchecked oil burning causes.
Part Details
| Part Number | 12850298 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Valve Stem Seal F3M1008 LT12-D |
Compatibility & Fitment
| Name | Model |
|---|---|
| LT12D | LT12D |
| F3M1008 | F3M1008 |
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.
