What is the main function of the upper radiator hose?

The upper radiator hose is a critical part of your cooling system. It carries hot coolant from the engine's thermostat housing to the radiator, where it can be cooled down before circulating back to the engine.

Why is a molded hose better than a universal hose?

A molded hose is shaped specifically for your vehicle's engine bay. This ensures it fits perfectly without kinking or rubbing against other components, which can happen with universal hoses that require more manipulation during installation.

What other cooling system parts should I check when replacing the upper hose?

When replacing the upper radiator hose, it's a good time to inspect the lower radiator hose, thermostat, radiator cap, and water pump for any signs of wear or leaks. Addressing these components together can prevent future issues.

Gates 91-99 Nissan Sentra 4-Cyl. 1.6L Upper Molded Coolant Hose

Specifications

Brand: Gates
Part #: 21918
UPC: 00072053135213

Gates 91-99 Nissan Sentra 4-Cyl. 1.6L Upper Molded Coolant Hose

Name: Gates 91-99 Nissan Sentra 4-Cyl. 1.6L Upper Molded Coolant Hose
Brand: Gates
Price: 18.70 USD
Availability: InStock

$18.70

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Fits 91-99 Nissan Sentra. Gates upper molded coolant hose for 1.6L engines. Ensures proper coolant flow to prevent overheating.

Key Features

Fits 1991-1999 Nissan Sentra, 1995-1998 Nissan 200SX, and 1991-1993 Nissan NX with 4-Cyl. 1.6L engines.
Molded design ensures a precise fit and proper routing to prevent kinks or interference.
Built to withstand engine heat and coolant pressure for reliable operation.
Helps maintain proper engine temperature by allowing efficient coolant circulation.
Direct replacement for the original upper radiator hose.

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Fits these vehicles

Nissan 200SX 1995-1998
Nissan NX 1991-1993
Nissan Sentra 1991-1999

Product Details

When you're replacing the cooling system components on your 1991-1999 Nissan Sentra with the 1.6L engine, a new upper radiator hose is a smart move. This hose carries coolant from the engine to the radiator, and a worn-out one can lead to leaks and overheating. Gates makes this molded hose specifically to fit your Sentra, so you know it's going to connect up right.

This hose is built to handle the heat and pressure cycles that are part of normal engine operation. Because it's molded, it has the correct bends and shape to avoid kinking or rubbing against other engine parts, which can happen with universal hose sections. A proper fit means you won't have to fight with it during installation, and it helps ensure a secure connection to prevent coolant loss.

It's always a good idea to check your other cooling system parts, like the thermostat and radiator cap, while you're doing this job. Making sure everything is in good shape will help keep your Sentra running cool and reliably.