What is the primary function of this heater hose?

This molded heater hose connects your vehicle's heater core pipe to the engine. Its main job is to allow hot coolant to circulate from the engine to the heater core, which then warms the air blown into your cabin.

Why is a molded heater hose better than a universal one?

A molded hose is shaped to fit the specific routing and bends required by your vehicle's engine bay. This precise fit helps prevent kinks that can restrict coolant flow and ensures a more secure connection, often making installation simpler.

What should I do after installing this new heater hose?

After installing the new hose, it's recommended to check that all connections are secure. You should also ensure your cooling system is properly filled with the correct type and mixture of coolant and then bleed any air from the system.

1986-1991 Mercury Grand Marquis Heater Hose

Name: Gates 87-89 Lincoln Town Car V-8 5.0L Pipe To Eng. Molded Heater Hose
Brand: Gates
SKU: gates-gates-87-89-lincoln-town-car-v-8-5-0l-pipe-to-eng-molded-heater-hose-t14-876058
Price: 34.32 USD
Availability: BackOrder

Gates 87-89 Lincoln Town Car V-8 5.0L Pipe To Eng. Molded Heater Hose

$34.32

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1986-1991 Mercury Grand Marquis V-8 5.0L. This is a molded heater hose from Gates.

Key Features

Fits 1986-1991 Mercury Grand Marquis, 1987-1991 Ford Country Squire, 1987-1991 Ford LTD Crown Victoria, 1987-1990 Lincoln Town Car, and 1987-1991 Mercury Colony Park.
Designed for V-8 5.0L engines.
Connects the heater core pipe to the engine.
Molded design ensures a precise fit for easier installation.
Constructed from durable rubber compounds to resist heat and coolant.

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Will it fit your car?

Product Details

This is a molded heater hose from Gates, specifically designed for the 1986-1991 Mercury Grand Marquis equipped with the 5.0L V-8 engine. It connects the heater core pipe to the engine, ensuring proper circulation of coolant for your cabin's heating system. A well-made hose is crucial for preventing leaks and maintaining consistent cabin temperature, especially during colder months.

Gates uses durable rubber compounds in their hoses to resist degradation from heat and coolant exposure. This molded design means it follows the specific bends and curves needed for your vehicle's engine bay, making installation more straightforward than a universal hose that might require cutting and shaping. Having the correct fit helps prevent kinks that can restrict coolant flow and shorten the hose's lifespan.

This hose is a direct replacement part, meaning it's made to fit your specific application without modification. Ensure your cooling system is properly flushed and refilled with the correct coolant mixture when replacing this hose for optimal performance and longevity.