Multiquip 6212123300 Injection Nozzle Holder Assembly SA6D140E/400SSK

The Multiquip 6212123300 is a genuine OEM Injection Nozzle Holder Assembly SA6D140E/400SSK designed for SA6D140E series equipment. As a direct OEM replacement, this assembly is sourced and supplied to the exact specifications of the original component, ensuring correct seating, sealing, and fuel delivery performance. Fitment is confirmed for SA6D140E models, making part selection straightforward for technicians and operators working on compatible equipment. DHS Equipment supplies this part as an authorized Multiquip OEM component, so you can order with confidence.

Key Features

• OEM Fuel Delivery Precision — Manufactured to the same tolerances as the original, ensuring consistent injector tip positioning and correct fuel atomization within the combustion chamber.
• Direct Drop-In Replacement — Engineered to match the original mounting interface on SA6D140E series engines, allowing straightforward installation without machining or adaptation.
• Confirmed SA6D140E Fitment — Verified compatible with SA6D140E series equipment; part number 6212123300 cross-references directly to this application.
• Protects Injector and Cylinder Head Integrity — A correctly functioning holder assembly maintains the proper clamp load and seal on the injector nozzle, preventing combustion gas blow-by and protecting the cylinder head from heat damage.
• Fuel System Safety Compliance — Correct nozzle holder seating is critical to preventing fuel leaks at high injection pressures; using a genuine OEM assembly ensures the fuel system operates within its intended pressure and sealing parameters.

The injection nozzle holder assembly secures the fuel injector nozzle in place within the cylinder head and provides the precise clamping force required to seal against combustion pressures. It acts as the mechanical interface between the injector body and the engine, ensuring the nozzle tip is positioned correctly in the combustion chamber for optimal fuel spray and combustion efficiency. When this assembly is worn, cracked, or improperly seated, it can cause fuel leaks, misfires, loss of power, and long-term damage to the cylinder head — making timely replacement with a correctly specified OEM part essential to engine health.

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.