Dayco Engine Coolant Bypass Hose 72516
Dayco Engine Coolant Bypass Hose 72516

Dayco Engine Coolant Bypass Hose P/N:72516

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$19.99
MPN: 72516
Item Package Quantity: 1
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Dayco Engine Coolant Bypass Hose P/N:72516
Dayco Engine Coolant Bypass Hose P/N:72516
$19.99

Keep coolant circulating through your engine's bypass circuit with the Dayco Engine Coolant Bypass Hose 72516. It drops in as a direct-fit replacement for the 2005-2008 Ford Escape, 2006-2009 Ford Fusion, 2006 Lincoln Zephyr, 2003-2008 Mazda 6, 2002-2005 Mazda MPV, 2005-2006 and 2008 Mazda Tribute, 2005-2008 Mercury Mariner, and 2006-2009 Mercury Milan.

  • Bypass coolant routing: carries engine coolant along the bypass path between the water pump and the engine and intake manifold, letting coolant circulate during warm-up.
  • Cataloged position: serves the water pump, engine-to-water-pump, and water-pump-to-intake-manifold connections.
  • Direct-fit replacement: installs on the listed applications to replace an original hose that has hardened, cracked, or begun to seep.

A bypass hose that leaks, swells, or splits can let coolant escape and lead to loss of circulation, so signs it may need replacing include visible seepage at the connections, soft or brittle hose material, and dropping coolant level. If a failed bypass hose is the cause, this replaces it.

Interchange: 20404S · 22838 · KM4673 · KM4940 · 9473. Manufacturer part number 72516.

This part cross-references / interchanges with the following part numbers:

20404S, 22838, NA, KM4673, KM4940, 9473, 2S7E-8A577-AD, 2S7Z-8A577-AA, 5L8E-8A577-AA, 6E5E-8A577-AA, 6E5E-8B573-AA, 6E5Z-8A577-A, AJ57-15-537, AJ57-15-537A, AJTM-15-537

Frequently Asked Questions

What does this coolant bypass hose do?

It carries engine coolant along the bypass path, connecting the water pump to the engine and the intake manifold so coolant can circulate through the system.

Which vehicles does the Dayco 72516 fit?

It's a direct-fit replacement for the 2005-2008 Ford Escape, 2006-2009 Ford Fusion, 2006 Lincoln Zephyr, 2003-2008 Mazda 6, 2002-2005 Mazda MPV, 2005-2006 and 2008 Mazda Tribute, 2005-2008 Mercury Mariner, and 2006-2009 Mercury Milan.

How do I know if my bypass hose needs replacing?

Watch for coolant seepage at the hose connections, hardened, swollen, or cracked hose material, and a dropping coolant level. Diagnose the source of any leak before replacing.

What numbers does this hose interchange with?

It cross-references 20404S, 22838, KM4673, KM4940, and 9473. Its own manufacturer part number is Dayco 72516.

Does the Mazda Tribute fit both listed year ranges?

Yes. This hose is cataloged for the 2005-2006 Mazda Tribute and, separately, the 2008 Mazda Tribute. Check the Buyer's Guide tab to confirm your exact vehicle.

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