The Genie 1276738GT is a genuine OEM Isuzu Tier 4 Water Pump Assembly designed for AL5 light towers. As a direct OEM replacement, this assembly is built to the same specification as the original unit, ensuring a correct, confident fit on your machine. Confirm part number 1276738GT against your AL5 parts manual to verify this is the right assembly for your serial number and configuration before ordering.
Key Features
- Genuine OEM Quality — Manufactured to Genie's original specification for the Isuzu Tier 4 engine, delivering the dimensional and material conformity you expect from a factory part.
- Direct OEM Replacement — Engineered to install in place of the original assembly with no adaptation, keeping your service time to a minimum.
- Built for AL5 Light Towers — Fits AL5 and AL5 with Vertical Mast configurations, so you can order with confidence for these Genie light tower units.
- Coolant Flow Integrity — A properly functioning water pump keeps coolant circulating through the Isuzu Tier 4 engine. A worn or failing pump can cause overheating and unplanned downtime on the jobsite.
- Tier 4 Engine Compliance — Matched specifically to the Isuzu Tier 4 powerplant fitted in the AL5 series, ensuring compatibility with the engine's coolant circuit design.
The water pump is responsible for circulating coolant through the engine to maintain operating temperature. On the Isuzu Tier 4 engine fitted to AL5 light towers, a functioning pump is essential to prevent overheating during extended operation. When the pump begins to fail — through seal wear, impeller damage, or bearing failure — coolant flow drops, engine temperature rises, and the unit may shut down to protect itself. Replacing the assembly with a genuine Genie OEM part restores proper coolant circulation and keeps the engine running within its designed temperature range.
Part Details
| Part Number | 1276738GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Isuzu Tier 4 Water Pump Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| AL5 with Vertical Mast | AL5 with Vertical Mast |
| AL5 | AL5 |
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.