How to Service and Repair the Cooling Hose for the Coolant Crossover Manifold Assembly on Mercury Mountaineer?

Construction and repair work on the coolant crossover manifold starts with disconnecting the ground cable from the battery and draining the engine cooling system. Before beginning detachment of the belt from the generator pulley start by removing the intake manifold while rotating the accessory drive belt tensioner clockwise. Before connecting the electrical connector, install new nuts on the generator and fasten them to 25 Nm (18 ft. lbs.). The generator, bracket and wiring harness assembly should be placed aside while you install the bracket-to-coolant crossover bolts at 10 Nm (89 inch lbs.). Separate the components of heater hose and upper radiator hose along with PCV heater hose from coolant crossover manifold assembly. The bolts securing the coolant crossover manifold assembly require removal but the workers need to throw away the gaskets. Use new gaskets for replacement while tightening bolts to 10 Nm (89 inch lbs.). You should execute the reverse procedure which finalizes the installation of the vehicle system.

OEM Mercury Mountaineer Cooling Hose

Cooling System Hose

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19 Cooling Hoses found

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Mercury Mountaineer Lower Hose Part Number: 1L2Z-8286-AA
$15.25 MSRP: $20.75
You Save: $5.50 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Lower; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Upper Hose Part Number: 4L5Z-8260-BA
$33.32 MSRP: $52.91
You Save: $19.59 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Upper; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Overflow Hose Part Number: 1L2Z-8075-AA
$21.08 MSRP: $29.16
You Save: $8.08 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose - Overflow; Engine Coolant Overflow Hose; Radiator Coolant Hose; Multi Purpose Hose.
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Upper Hose Part Number: F77Z-8260-BB
$23.98 MSRP: $33.17
You Save: $9.19 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Upper; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Manufacturer Note: Upper. Radiator to 8A507 pipe. For 8A507 pipe to Thermostat Housing, refer to 8K507., SOHC
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Upper Hose Part Number: 8L2Z-8260-B
$35.74 MSRP: $56.75
You Save: $21.01 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Upper; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Upper
- Replaces: 6L2Z-8260-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Upper Hose Part Number: 8L2Z-8260-A
$35.84 MSRP: $56.91
You Save: $21.07 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Upper; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Upper
- Replaces: 6L2Z-8260-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Upper Hose Part Number: 1L2Z-8260-BA
$35.51 MSRP: $56.38
You Save: $20.87 (38%)
ADD TO CART
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Upper; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Lower Hose Part Number: 8L2Z-8286-B
$43.05 MSRP: $68.36
You Save: $25.31 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Lower; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Lower
- Replaces: 6L2Z-8286-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Upper Hose Part Number: F67Z-8260-GA
$19.79 MSRP: $27.37
You Save: $7.58 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Upper; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Upper Hose Part Number: 1L2Z-8260-AB
$49.36 MSRP: $68.28
You Save: $18.92 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Upper; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Lower Hose Part Number: JL2Z-8286-B
$60.23 MSRP: $95.64
You Save: $35.41 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Lower; Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Replaces: 8L2Z-8286-A, 6L2Z-8286-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Lower Hose Part Number: JL2Z-8286-C
$27.16 MSRP: $43.82
You Save: $16.66 (39%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Lower; Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Replaces: F87Z-8286-HA, KM-3399
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Overflow Hose Part Number: 6L2Z-8N029-BA
Product Specifications
- Other Name: Hose - Water; Engine Coolant Overflow Hose; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Lower Hose Part Number: 1L2Z-8286-BA
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Lower; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
View related parts
Mercury Mountaineer Overflow Hose Part Number: 1L2Z-8075-BA
Product Specifications
- Other Name: Hose - Overflow Container; Engine Coolant Overflow Hose; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose
- Manufacturer Note: Top
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Water Hose Assembly Part Number: 1L2Z-18472-HD
Product Specifications
- Other Name: Hose - Heater Water; Heater Hose
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Water Hose Assembly Part Number: 1L2Z-18472-GCA
Product Specifications
- Other Name: Hose - Heater Water; Heater Hose
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Lower Hose Part Number: F87Z-8286-JA
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Lower; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
View related parts
Mercury Mountaineer Lower Hose Part Number: F67Z-8286-JA
Product Specifications
- Other Name: Hose - Radiator; Radiator Coolant Hose, Lower; Multi Purpose Hose; Radiator Hose; Cooling Hose; Radiator Coolant Hose; Coolant Hose
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS

Mercury Mountaineer Cooling Hose

OEM Cooling Hose boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury's official factory standards. These steps remove flaws and inconsistencies. So you can get Cooling Hose with long life and a perfect fit. Come to our website and find genuine Mercury Mountaineer parts. We keep a wide inventory of OEM Mountaineer parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

A reliable performance and operational reliability of the Mercury Mountaineer's cooling system depends on the Mercury Mountaineer Cooling Hose. The Cooling Hose functions as an important vehicle component that enables effective coolant circulation between engine and radiator to preserve engine temperature levels for better efficiency and safety. The Cooling Hose works with many Mercury Mountaineer automobile series through multiple design options and material choices that match each vehicle model exactly. The Cooling Hose requires frequent inspections and immediate replacement because neglecting this process leads to leaks and causes engine damage which proves its critical role for vehicle maintenance. Due to its upscale features and robust performance the Mercury Mountaineer gets significant advantages from using top-quality Cooling Hoses enhancing both vehicle reliability and durability. Royally installing the Cooling Hose yields convenient DIY maintenance capabilities though proper care must be maintained against damaging fittings. Mountaineer owners choose the Mercury car Cooling Hose because of its longevity and efficiency in the automotive marketplace. The the automaker model part enables effective cooling system support thus becoming essential for maintaining both performance and safety aspects of this beloved SUV.

Mercury Mountaineer Cooling Hose Parts and Q&A

Water Hose Assembly
1L2Z-18472-GCA
Q: How to Service and Repair the Cooling Hose for the Coolant Crossover Manifold Assembly on Mercury Mountaineer?
A:
Construction and repair work on the coolant crossover manifold starts with disconnecting the ground cable from the battery and draining the engine cooling system. Before beginning detachment of the belt from the generator pulley start by removing the Intake Manifold while rotating the accessory drive belt tensioner clockwise. Before connecting the electrical connector, install new nuts on the generator and fasten them to 25 Nm (18 ft. lbs.). The generator, bracket and wiring harness assembly should be placed aside while you install the bracket-to-coolant crossover bolts at 10 Nm (89 inch lbs.). Separate the components of heater hose and upper radiator hose along with PCV heater hose from coolant crossover manifold assembly. The bolts securing the coolant crossover manifold assembly require removal but the workers need to throw away the gaskets. Use new gaskets for replacement while tightening bolts to 10 Nm (89 inch lbs.). You should execute the reverse procedure which finalizes the installation of the vehicle system.