How to replace the outlet radiator hose (LY7) on Buick LaCrosse?

The first task in radiator outlet pipe (LY7) replacement begins with draining the entire cooling system. The first step is to take off the air cleaner assembly. Separate the radiator outlet hose from connecting to the radiator outlet pipe. Next disconnect the radiator outlet pipe bracket bolts that mount to transmission retaining bolt and radiator outlet pipe bracket to Thermostat Housing retaining bolt. The radiator outlet pipe needs to be removed from the Thermostat Housing so install a fresh o-ring onto the radiator outlet pipe before removal. Extraction of the worn o-ring that resides on the radiator outlet pipe should be performed. Insert the new o-ring to the radiator outlet pipe before installing the pipe into the Thermostat Housing. Secure the bracket from the radiator outlet pipe using both transmission retaining bolt and Thermostat Housing retaining bolt. Reinstall the air cleaner assembly following your reconnection of the radiator outlet pipe to its outlet hose. Finally, fill the cooling system.

How to replace the inlet radiator hose on Buick Regal?

The radiator inlet hose replacement starts by draining part of the cooling system fluid while removing the left diagonal brace. The hose clamp pliers (J 38185) will help move the hose clamp position at the radiator before separating the radiator inlet hose from the radiator. The hose clamp pliers (J 38185) must be used to remove the clamp from the Thermostat Housing before unscrewing the radiator inlet hose from that housing. Remove the radiator inlet hose. Start by setting the new radiator inlet hose exactly in position according to its marks before attaching it to the Thermostat Housing. The hose clamp pliers (J 38185) must be used to reposition the clamp at the Thermostat Housing before connecting the radiator inlet hose to the radiator. Reposition and install the hose clamp at the radiator using the hose clamp pliers (J 38185) before you reinstall the left diagonal brace and conduct cooling system filling.

OEM Buick Radiator Hose

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223 Radiator Hoses found

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Buick Upper Hose Part Number: 13220131
$24.91 MSRP: $37.06
You Save: $12.15 (33%)
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Product Specifications
- Other Name: Hose, Radiator Inlet (Upper)
- Position: Upper
Fits the following Buick Models:
- Regal | 2011-2013 | CXL, GS, Premium | 4 Cyl 2.0 L FLEX
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Buick Outlet Hose, Lower Part Number: 23105392
$35.40 MSRP: $52.68
You Save: $17.28 (33%)
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Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose; Lower Hose; Upper Hose
- Position: Lower
- Replaces: 22875328
Fits the following Buick Models:
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
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Buick Inlet Hose Part Number: 23105391
$28.73 MSRP: $42.74
You Save: $14.01 (33%)
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Product Specifications
- Other Name: Hose-Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Lower Hose; Upper Hose; Hose, Radiator Inlet (Upper)
- Replaces: 22875327
Fits the following Buick Models:
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
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Buick Lower Hose Part Number: 22532336
$13.11 MSRP: $20.65
You Save: $7.54 (37%)
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Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Skylark | 1988 | Custom, Limited | 4 Cyl 2.3 L GAS
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Buick Upper Hose Part Number: 22532011
$13.11 MSRP: $22.00
You Save: $8.89 (41%)
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Product Specifications
- Other Name: Hose-Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
- Position: Upper
Fits the following Buick Models:
- Skylark | 1988-1990 | Custom, Gran Sport, Limited, Luxury Edition | 4 Cyl 2.3 L GAS
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Buick Lower Hose Part Number: 10236566
$13.11 MSRP: $23.90
You Save: $10.79 (46%)
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Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Century | 1994-1996 | Custom, Limited, Special | 4 Cyl 2.2 L GAS, 6 Cyl 3.1 L GAS
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Buick Upper Hose Part Number: 10236564
$13.11 MSRP: $24.46
You Save: $11.35 (47%)
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Product Specifications
- Other Name: Hose-Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
Fits the following Buick Models:
- Century | 1994-1996 | Custom, Limited, Special | 4 Cyl 2.2 L GAS, 6 Cyl 3.1 L GAS
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Buick Upper Hose Part Number: 10170194
$13.11 MSRP: $25.70
You Save: $12.59 (49%)
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Product Specifications
- Other Name: Hose-Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
Fits the following Buick Models:
- Century | 1987-1989 | Custom, Estate Wagon, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
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Buick Upper Hose Part Number: 10170192
$13.11 MSRP: $26.88
You Save: $13.77 (52%)
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Product Specifications
- Other Name: Hose-Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
Fits the following Buick Models:
- Century | 1989-1993 | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.3 L GAS
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Buick Lower Hose Part Number: 22804762
$15.04 MSRP: $22.38
You Save: $7.34 (33%)
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Regal | 2011-2013 | CXL, GS, Premium | 4 Cyl 2.0 L FLEX
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Buick Lower Hose Part Number: 22540216
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Skylark | 1989 | Custom, Limited | 4 Cyl 2.5 L GAS
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Buick Lower Hose Part Number: 22540217
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose; Rear Pipe
- Position: Lower
Fits the following Buick Models:
- Skylark | 1989 | Custom, Limited | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.3 L GAS
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Buick Lower Hose Part Number: 22540208
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Skylark | 1989-1991 | Base, Custom, Gran Sport, Limited, Luxury Edition | 6 Cyl 3.3 L GAS
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Buick Upper Hose Part Number: 22552515
Product Specifications
- Other Name: Hose-Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
Fits the following Buick Models:
- Skylark | 1991 | Base, Custom, Gran Sport, Luxury Edition | 4 Cyl 2.3 L GAS
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Buick Pressure Hose Part Number: 15286591
Product Specifications
- Other Name: Hose-Radiator Pressure Equalizer; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose; Hose, Radiator Inlet (Upper)
Fits the following Buick Models:
- LaCrosse | 2008-2009 | Super | 8 Cyl 5.3 L GAS
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Buick Upper Hose Part Number: 14038150
Product Specifications
- Other Name: Hose-Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
Fits the following Buick Models:
- Century | 1984-1986 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
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Buick Lower Hose Part Number: 14038151
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Century | 1984-1986 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
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Buick Lower Hose Part Number: 10170196
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Century | 1987-1991 | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
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Buick Upper Hose, Rear Part Number: 10344422
Product Specifications
- Other Name: Hose Assembly-Radiator Inlet Rear; Multi Purpose Hose; Radiator Hose; Hose, Radiator Inlet (Upper)
- Position: Rear
Fits the following Buick Models:
- LaCrosse | 2006-2008 | CXS | 6 Cyl 3.6 L GAS
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Buick Lower Hose Part Number: 25526784
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Century | 1986-1988 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.8 L GAS

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Buick Radiator Hose

Choose OEM Radiator Hose, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Radiator Hose. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Radiator Hose transfers the coolant fast to ensure that the engine is cooled and not exposed to heat. The marque has been pursuing quiet cabins, gentle rides and designs that age well since 1903. It was the first to introduce quiet tuning with silence on wind and stillness on the road. Drivers detect the steering wheel that is well turned, the leather, the dashboard with clear gauges instead of gimmicks. The new concept of Wildcat EV demonstrates that the company is moving toward smooth electrics not forgetting the long hood short deck shape that fans desire. Heritage is important, but so is day-to-day convenience, and thus cabins have large phone attachments, intuitively easy infotainment and long-commute seats. Steady updates like that of loyal owners come along consistently and not flashy and disorientingly. What has emerged is a lineup that does not seem old but is not too new. Buick continues to refine these fundamentals rather than pursue each new fashion that comes by. The Radiator Hose is made of flexible, heat-resistant compounds and carries the coolant between the water pump and the block and back to the radiator, and it provides a constant thermal loop that helps to keep the gaskets on, keep the oil viscosity intact and also allows a Buick engine to hold its own weight during a hectic summer traffic jam or even a mountain ascent. The lower Radiator Hose collapses a little under suction at high rpm and the higher one counters the spikes of pressure and therefore the owners change them at the defined time and do not go into the wallet destroying spiraling process that begins with the steam and still your head is deformed.

Buick Radiator Hose Parts and Q&A

Lower Hose
15835973
Q: How to replace the outlet radiator hose (LY7) on Buick LaCrosse?
A:
The first task in radiator outlet pipe (LY7) replacement begins with draining the entire cooling system. The first step is to take off the air cleaner assembly. Separate the radiator outlet hose from connecting to the radiator outlet pipe. Next disconnect the radiator outlet pipe bracket bolts that mount to transmission retaining bolt and radiator outlet pipe bracket to Thermostat Housing retaining bolt. The radiator outlet pipe needs to be removed from the Thermostat Housing so install a fresh o-ring onto the radiator outlet pipe before removal. Extraction of the worn o-ring that resides on the radiator outlet pipe should be performed. Insert the new o-ring to the radiator outlet pipe before installing the pipe into the Thermostat Housing. Secure the bracket from the radiator outlet pipe using both transmission retaining bolt and Thermostat Housing retaining bolt. Reinstall the air cleaner assembly following your reconnection of the radiator outlet pipe to its outlet hose. Finally, fill the cooling system.
Lower Hose
10423132
Q: How to replace the inlet radiator hose on Buick Regal?
A:
The radiator inlet hose replacement starts by draining part of the cooling system fluid while removing the left diagonal brace. The hose clamp pliers (J 38185) will help move the hose clamp position at the radiator before separating the radiator inlet hose from the radiator. The hose clamp pliers (J 38185) must be used to remove the clamp from the Thermostat Housing before unscrewing the radiator inlet hose from that housing. Remove the radiator inlet hose. Start by setting the new radiator inlet hose exactly in position according to its marks before attaching it to the Thermostat Housing. The hose clamp pliers (J 38185) must be used to reposition the clamp at the Thermostat Housing before connecting the radiator inlet hose to the radiator. Reposition and install the hose clamp at the radiator using the hose clamp pliers (J 38185) before you reinstall the left diagonal brace and conduct cooling system filling.