Honda 15610-ZN1-000 Oil Cooler

The Honda 15610-ZN1-000 Oil Cooler is a genuine OEM replacement designed for GX620, GX670, and GXV670 engines. As a direct Honda OEM component, this oil cooler is manufactured to the same specification as the original unit it replaces, ensuring a correct, no-hassle installation. This part is compatible with both horizontal and vertical shaft configurations within Honda's large-displacement V-twin engine family, covering GX620, GX670, and GXV670 applications — verify your engine's serial number against the fitment table to confirm the correct part for your specific build.

Key Features

• Genuine OEM Thermal Management — sourced directly from Honda, this oil cooler maintains the precise flow path and heat-exchange capacity the engine was designed around, unlike generic alternatives that may compromise cooling efficiency under load.
• Exact OEM Fit — engineered to match the original mounting configuration, connection points, and dimensions of the unit it replaces, allowing straightforward installation without modification.
• Broad V-Twin Compatibility — fits GX620, GX670, and GXV670 engines, making it the right choice across Honda's large-displacement twin-cylinder lineup, including both horizontal and vertical shaft variants.
• Serial Number Verification Recommended — Honda updates and supersedes components at production breaks, so always cross-reference your engine serial number with the fitment table before ordering.
• Protects Against Oil Degradation — a properly functioning oil cooler keeps oil temperatures in check during sustained heavy use, slowing oil breakdown and reducing wear on internal engine components; a failing cooler can lead to overheating, accelerated oil degradation, and costly engine damage.

An oil cooler works by routing engine oil through a heat exchanger before it circulates back through the engine. In high-output, large-displacement engines like the GX620, GX670, and GXV670, prolonged operation under load generates significant heat, and the oil cooler plays a critical role in keeping oil temperatures within a safe operating range. When this component becomes damaged or develops a leak, oil temperatures can climb rapidly, causing oil to thin prematurely, increasing friction on bearings and moving parts, and ultimately risking serious internal engine damage if left unaddressed.

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.