Multiquip 8943424140 Water Drain Cock DCA25USI 4LE2

The Multiquip 8943424140 Water Drain Cock DCA25USI 4LE2 is a genuine OEM component designed for the DCA25USI ultra-silent diesel generator series. As a direct OEM replacement, this part is sourced to the exact specifications required by the DCA25USI platform, ensuring a correct, hassle-free installation. Stocking this part as part of your routine maintenance supply means less time waiting on critical generator uptime. DHS Equipment supplies this as an authorized Multiquip OEM part, so you can order with full confidence in fitment and quality.

Key Features

• OEM-Grade Sealing Material — Manufactured to the same material and thread specification as the original, ensuring a drip-free seal under operating temperature and pressure cycles typical of diesel generator cooling systems.
• Direct Fit for DCA25USI Generators — Engineered specifically for the DCA25USI ultra-silent generator series, threading directly into the existing coolant drain port without reworking fittings or adapters.
• Correct Engine Family Compatibility — Matched to the Isuzu 4LE2 engine fitted in the DCA25USI, accounting for the specific port geometry and thread pitch used on this engine family.
• Supports Clean Coolant Service Intervals — A properly functioning drain cock allows controlled, full coolant evacuation during scheduled coolant changes, preventing spills and cross-contamination during service.
• Prevents Coolant Leaks at the Drain Point — A worn or cracked drain cock is a common source of slow coolant loss; replacing it proactively keeps the cooling system sealed and operating at correct temperature.

The water drain cock is a small but critical valve located on the engine block or radiator drain point of the cooling system. It allows technicians to open a controlled passage to fully drain engine coolant during scheduled maintenance or before cold-weather storage, preventing freeze damage and enabling clean fluid changes. When a drain cock becomes cracked, corroded, or seized, it can cause uncontrolled coolant leakage or make proper draining impossible — leading to incomplete coolant flushes or cooling system contamination that can accelerate engine wear over time.

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.