Multiquip 7812014003B Drain Joint

The Multiquip 7812014003B Drain Joint is a genuine OEM replacement designed for the DCA and DIS series of diesel-powered generators and air compressor equipment, including the DCA125SSIU4F, DCA70SSIU4F, DCA150SSJU, DCA100SSJU, DCA15SPXU4F, DCA10SPXU4, DCA125USI, DCA125USI3CAN, DCA150SSJU2, and DIS100SSK4F. As a direct OEM component sourced from Multiquip, the part is manufactured to the same specification as the original part installed at the factory. This drain joint is a straightforward drop-in replacement that integrates directly into the existing drain system on compatible units, keeping your drain circuit operating as intended.

Key Features

• Genuine OEM Construction — Manufactured by Multiquip to original material and dimensional specifications, ensuring the joint seals and threads match the host assembly exactly.
• Direct-Fit Replacement — Designed to connect into the existing drain circuit without rework, fitting the same port geometry as the original 7812014003B joint.
• Broad Generator and Compressor Compatibility — Confirmed fitment across DCA ultra-silent diesel generator models and the DIS100SSK4F air compressor, covering multiple voltage and Tier 4 Final configurations.
• Leak-Free Drain Circuit Integrity — A properly seated drain joint maintains a closed, controlled drainage path; a cracked or failed joint can introduce fluid contamination or uncontrolled discharge during service.
• Fluid System Safety — Correct drain joint fitment is essential for controlled fluid evacuation during maintenance, preventing spills that can create hazards on the worksite.

A drain joint connects sections of a machine's drain circuit, providing a secure, leak-resistant junction point that allows fluids — such as oil or coolant — to be directed and evacuated in a controlled manner during operation or scheduled service. When a drain joint cracks, strips, or fails to seal, fluid can escape at unintended points, leading to contamination of surrounding components and making routine maintenance difficult to perform safely. Replacing a worn or damaged drain joint with the correct OEM part restores the integrity of the drain system and keeps service intervals straightforward and clean.

Part Details

Compatibility & Fitment

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.