Multiquip EE51439 Radiator Flashing Left Cummins QST30/Rocor

The Multiquip EE51439 is a genuine OEM Radiator Flashing Left Cummins QST30/Rocor designed for QST30 series equipment. Sourced directly from Multiquip, this part meets the same fit and finish standards as the original component it replaces. Verified for compatibility with QST30 models, EE51439 installs in the correct position without modification to surrounding panels or hardware. Keeping this flashing intact is essential to maintaining proper airflow management around the radiator assembly.

Key Features

• Genuine OEM Construction — Manufactured to the exact material and dimensional spec of the original, ensuring the flashing seats flush and creates an effective seal around the radiator housing.
• Left-Side Direct Replacement — Purpose-built for the left-side radiator position on QST30 series units, dropping into place without trimming or refitting adjacent components.
• QST30 Series Fitment — Confirmed compatibility with Multiquip QST30 equipment; verify your model before ordering to ensure an accurate match.
• Airflow Integrity — A correctly fitted radiator flashing channels cooling air through the core efficiently; a damaged or missing flashing allows recirculation of hot air, leading to elevated operating temperatures and potential overheating.
• Structural Continuity — Maintains the integrity of the engine enclosure by closing gaps around the radiator, protecting internal components from debris ingestion and environmental exposure.

A radiator flashing is a formed panel or shroud section that seals the gap between the radiator core and the surrounding engine enclosure. Its job is to force incoming air through the radiator fins rather than allowing it to bypass the core, which is critical to effective heat dissipation in heavy-duty power equipment. When a flashing is cracked, bent, or missing entirely, hot air recirculates back through the cooling system, reducing cooling efficiency and placing additional thermal stress on the engine — a problem that compounds quickly under sustained load conditions.

DHS Equipment carries genuine Multiquip OEM parts with the fitment accuracy and part quality that contractors depend on. If you have questions about whether this part is the right part for your machine, contact our team for assistance.

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.