The Multiquip Y0605050040 is a genuine OEM Sealing Washer designed for the DCA series ultra-silent and super-silent diesel generator lineup, including models DCA20SPXU4F, DCA220SSJU4F3, DCA25SSIU4F, DCA300SSJU4F3, DCA36SPXU4F, DCA40SSKU4F2. As a direct OEM component, it is manufactured to the exact material and dimensional specifications required for a proper seal on your Multiquip generator. Sourcing the correct Sealing Washer matters — an improperly sealing or worn washer can allow fluid or pressure escape at critical joints, leading to leaks and potential service issues. Keep Y0605050040 on hand as a routine service item to maintain a tight, leak-free connection every time.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the exact material hardness and compression profile required to form a proper fluid-tight seal on DCA series generator assemblies.
- Drop-In Service Replacement — Matches the original washer profile and thread seat geometry, seating correctly without reworking the mating surfaces.
- Broad DCA Series Compatibility — Fits a wide range of Tier 4 ultra-silent and super-silent models including DCA20SPXU4F, DCA36SPXU4F, DCA40SSKU4F2, DCA45SSIU4F, DCA70SSIU4F, DCA70SSJU4F, DCA220SSJU4F3, and DCA300SSJU4F3.
- Leak Prevention at Critical Joints — A correctly installed sealing washer prevents fluid seepage at fastener or fitting interfaces, protecting surrounding generator components from contamination or damage.
- Verified Multiquip Part Number — Ordered and fulfilled as Y0605050040, confirming you receive the exact part indexed to your generator model — no guesswork during service.
A sealing washer acts as a deformable barrier between a fastener, fitting, or plug and its mating surface, creating a fluid-tight or pressure-tight seal when torqued to spec. On diesel generators like the DCA series, these washers are commonly used at oil drain plugs, fuel fittings, and hydraulic or coolant connections where preventing leaks is essential to safe, continuous operation. When a sealing washer becomes compressed, cracked, or distorted from repeated use, it loses its ability to conform to the mating surface, allowing fluid to bypass the joint — making it a critical item to replace at every relevant service interval.
Part Details
| Part Number | Y0605050040 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Sealing Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA20SPXU4F |
| Diesel Powered Generators | DCA220SSJU4F3 |
| Diesel Powered Generators | DCA25SSIU4F |
| Diesel Powered Generators | DCA300SSJU4F3 |
| Diesel Powered Generators | DCA36SPXU4F |
| Diesel Powered Generators | DCA40SSKU4F2 |
| Diesel Powered Generators | DCA45SSIU4F |
| Diesel Powered Generators | DCA70SSJU4F |
| Diesel Powered Generators | DCA45SSIU4FC8 |
| Diesel Powered Generators | DCA70SSIU4F |
| Diesel Powered Generators | DCA220SSJU4F3 60Hz |
| Diesel Powered Generators | DCA300SSJU4F3 60Hz |
| Diesel Powered Generators | DCA36SPXU4F (60Hz) |
| Diesel Powered Generators | DCA40SSKU4F2 (60Hz) |
| Diesel Powered Generators | DCA45SSIU4FC8 60Hz |
| Diesel Powered Generators | DCA70SSJU4F 60Hz |
| Diesel Powered Generators | DCA70SSIU4F (60Hz) |
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.
