The Multiquip 6137K19901 is a genuine OEM Upper Gasket Kit S6D105-1/DCA125SSK designed for the DCA125SSK ultra-silent diesel generator and its S6D105-1 engine platform. As a factory-sourced component, this kit delivers the exact gasket profiles, material grades, and compression tolerances required to restore a proper top-end seal on the S6D105-1 engine. Every gasket in the set is engineered to match OEM specifications, ensuring correct sealing across cylinder head, intake, and exhaust mating surfaces. If your DCA125SSK generator is showing signs of oil seepage, exhaust leaks, or compression loss after a top-end service, the Multiquip 6137K19901 is the correct replacement kit to bring the engine back to full operating condition.
Key Features
- OEM-Grade Sealing Materials — Each gasket in this upper kit is manufactured to the same material and compression specifications as the original S6D105-1 engine components, delivering the leak-free seals the engine was built to maintain.
- Complete Upper Engine Coverage — The kit addresses all top-end sealing points in a single purchase, eliminating the need to source individual gaskets across multiple orders during a top-end overhaul.
- Direct Application for DCA125SSK Generators — Engineered specifically for the S6D105-1 engine as installed in the DCA125SSK ultra-silent diesel generator series, with no guesswork on fitment.
- Restores Compression and Exhaust Integrity — A worn or damaged upper gasket set allows combustion gases and oil to bypass critical sealing surfaces, degrading power output and efficiency; this kit restores those surfaces to proper spec.
- Fuel System and Emission Compliance — Proper head and intake gasket sealing directly affects combustion efficiency and exhaust emissions; using the correct OEM kit keeps the generator operating within its designed output and emissions parameters.
An upper gasket kit covers the sealing components found above the engine block — primarily the cylinder head gasket along with the intake and exhaust manifold gaskets. These gaskets create pressure-tight barriers between machined surfaces, keeping combustion pressure contained, oil in its passages, and exhaust gases routed correctly out of the engine. When any of these gaskets fail, the engine can suffer lost compression, oil contamination of the combustion chamber, or exhaust leaks that reduce performance and create safety concerns. Replacing the full upper gasket set during any top-end service ensures all sealing surfaces are refreshed at the same time, preventing callbacks caused by a secondary gasket failing shortly after the primary repair.
Part Details
| Part Number | 6137K19901 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Upper Gasket Kit S6D105-1/DCA125SSK |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125SSK |
| S6D105-1 | S6D105-1 |
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.
Multiquip