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

Radiator Hose Tube

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

236 Radiator Hoses found

View related parts
Buick Lower Hose Part Number: 23203513
$36.15 MSRP: $71.28
You Save: $35.13 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Replaces: 20809012
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, CX, CXL, CXS, Convenience, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
View related parts
Buick Lower Hose Part Number: 15835973
$26.82 MSRP: $41.96
You Save: $15.14 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL | 6 Cyl 3.8 L GAS
View related parts
Buick Lower Hose Part Number: 22853960
$38.56 MSRP: $60.34
You Save: $21.78 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Replaces: 20809013
Fits the following Buick Models:
- LaCrosse | 2014-2016, 2010-2012 | Base, CX, CXL, Convenience, Leather, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2011-2017 | Base, CXL, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
View related parts
Buick Upper Hose Part Number: 13220131
$25.19 MSRP: $37.99
You Save: $12.80 (34%)
Ships in 1-2 Business Days
ADD TO CART
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
View related parts
Buick Outlet Hose, Lower Part Number: 23105392
$35.80 MSRP: $54.00
You Save: $18.20 (34%)
Ships in 1-2 Business Days
ADD TO CART
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
View related parts
Buick Lower Hose Part Number: 10347833
$38.58 MSRP: $58.18
You Save: $19.60 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Replaces: 10410467
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
View related parts
Buick Upper Hose Part Number: 22992586
$61.61 MSRP: $92.93
You Save: $31.32 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose-Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
- Position: Upper
- Replaces: 20809011, 22962115, 23166803
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, CX, CXL, CXS, Convenience, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
View related parts
Buick Upper Hose Part Number: 21999689
$120.41 MSRP: $179.98
You Save: $59.57 (34%)
Ships in 1-3 Business Days
ADD TO CART
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:
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
View related parts
Buick Lower Hose Part Number: 21999765
$50.27 MSRP: $74.80
You Save: $24.53 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
View related parts
Buick Lower Hose Part Number: 96968500
$16.39 MSRP: $23.80
You Save: $7.41 (32%)
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Encore | 2013-2021 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
View related parts
Buick Lower Hose Part Number: 13383058
$16.95 MSRP: $24.62
You Save: $7.67 (32%)
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
View related parts
Buick Upper Hose Part Number: 96968499
$22.89 MSRP: $33.27
You Save: $10.38 (32%)
ADD TO CART
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:
- Encore | 2013-2021 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
View related parts
Buick Lower Hose Part Number: 10423132
$16.07 MSRP: $22.03
You Save: $5.96 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Replaces: 10402000
Fits the following Buick Models:
- Regal | 1997-2004 | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
View related parts
Buick Upper Hose Part Number: 20877113
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:
- LaCrosse | 2010-2011 | CX, CXL | 4 Cyl 2.4 L GAS
- Regal | 2011-2017 | Base, CXL, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
View related parts
Buick Outlet Pipe, Lower Part Number: 24574380
$11.49 MSRP: $17.10
You Save: $5.61 (33%)
Product Specifications
- Other Name: Pipe, Radiator Outlet (Lower); Radiator Hose; Pipe
- Position: Lower
Fits the following Buick Models:
- Skylark | 1995-1998 | Custom, Limited, Olympic Gold Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.4 L GAS
View related parts
Buick Lower Hose Part Number: 25666930
$30.99 MSRP: $46.12
You Save: $15.13 (33%)
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
Fits the following Buick Models:
- LeSabre | 2000-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 2000-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
View related parts
Buick Upper Hose Part Number: 10236565
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:
- Century | 1994-1996 | Custom, Limited, Special | 4 Cyl 2.2 L GAS, 6 Cyl 3.1 L GAS
View related parts
Buick Lower Hose Part Number: 10236567
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
View related parts
Buick Lower Hose Part Number: 15205921
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower)
- Position: Lower
- Replaces: 15763315
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 8 Cyl 5.3 L GAS
View related parts
Buick Upper Hose Part Number: 10421339
Product Specifications
- Other Name: Hose, Radiator Inlet (Upper); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Upper
- Replaces: 10233201, 10401999
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Regal | 1994-2004 | 25th Anniversary Edition, Custom, GS, GSE, LS, LSE | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS

| Page 1 of 12 |Next >

1-20 of 236 Results

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.