The Multiquip M1424500204 Blowby Cover is a genuine OEM component designed for the DCA45USI ultra-silent diesel-powered generator. As a direct OEM replacement, this part is sourced from Multiquip and built to the same specifications as the original, ensuring a correct fit with no guesswork. Verified for the DCA45USI, the M1424500204 is the right choice when restoring your generator to proper operating condition.
Key Features
- Genuine OEM Construction — Manufactured to original material and dimensional specs, ensuring the cover seals and seats correctly against the engine block without gaps or fitment issues.
- Direct Drop-In Replacement — Matches the original mounting points and profile on the DCA45USI, so installation follows the same procedure as the factory-fitted cover.
- Confirmed Fitment for DCA45USI — Verified OEM replacement for Multiquip DCA45USI ultra-silent diesel generators; use part number M1424500204 to confirm before ordering.
- Protects Engine Ventilation Integrity — A properly seated blowby cover maintains crankcase pressure balance, preventing oil vapor escape and keeping the engine's ventilation circuit functioning as designed.
- Prevents Contamination and Oil Seepage — A worn or cracked blowby cover can allow oil mist and combustion gases to migrate where they shouldn't; replacing it promptly keeps the engine environment clean and stable.
The blowby cover seals the crankcase ventilation path on a diesel engine, containing the low-pressure combustion gases and oil vapor that naturally accumulate in the engine crankcase during operation. By directing these blowby gases back into the intake or through a filtration path, the cover prevents pressure buildup and keeps oil from escaping through unintended gaps. When this cover cracks, warps, or loses its seal, crankcase pressure rises, oil seepage can occur, and the engine's ventilation system becomes compromised — leading to increased wear and potential contamination of surrounding components.
Need help confirming this is the right part for your equipment? Contact the DHS Equipment team for fitment support and parts expertise.
Part Details
| Part Number | M1424500204 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Blowby Cover |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA45USI |
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.