How to service and repair the radiator on Buick LeSabre?

The Radiator repair procedure starts with draining engine coolant before removing the upper Radiator seal with the upper tie bar. The Radiator requires removal of the coolant overflow hose followed by disconnecting both upper and lower Radiator hoses which can then be set carefully aside. You must first remove the transaxle oil cooler pipe bracket bolt from the lower tie bar before taking out the cooling fans. The cooler quick connect tool (J 41623-A) enables you to disengage both the upper and lower transaxle oil cooler pipes from the Radiator after removing the plastic cap from their quick connect fittings. The installation process begins with disassembling the Radiator by first removing condenser mounting bolts and then separating the condenser from the Radiator before raising it out of the vehicle. Install the bottom part of the Radiator into lower pads before attaching the condenser to the Radiator where only the specified 15 mm (0.6 inch) length bolt should be used for installation to prevent end tank damage. The proper torque value for A/C Condenser mounting bolts is 13 nm (115 inch lbs.) after which install the transaxle oil cooler pipes into the Radiator quick connect fittings and verify retention through audio feedback and light pulling force. Putting on the plastic caps over the quick connect joints completes the installation process. The cooling fans should then be placed correctly, and the transaxle oil cooler pipe bracket bolt must be tightened to 10 nm (89 inch lbs.) before securing it to the lower tie bar. Per the installation procedure you should first connect the upper and lower Radiator hoses before reaching the Radiator neck to install the coolant recovery hose. After that you must install the upper tie bar and upper Radiator seal and fill the complete cooling system.

How to replace the radiator on Buick Lucerne?

The first step to replace the Radiator (L26) includes draining part of the cooling system. Uninstall the cooling Fan Shroud assembly followed by disconnecting the condenser line to Radiator retaining bolt. By utilizing hose clamp pliers (J38185) users should relocate the hose clamps from the Radiator outlet hose before removing this hose from the Radiator. After you remove the condenser mounting bolts handle the lower attachment features of Radiator and condenser with care so you can lift the condenser slightly upward to release the lower fitting points from the Radiator front. Open the Radiator compartment then lift the Radiator above the vehicle. The installation starts with placing the new Radiator inside the vehicle while aligning the condenser to prevent attachment point damage. Bolts intended for the condenser mounting need installation and require tightening to 13 nm (115 inch lbs.). Relocate and tighten the Radiator outlet hose clamp through the use of hose clamp pliers (J38185). Install the condenser line to Radiator retaining bolt followed by replacement of the cooling fans and filling in the cooling system.

OEM Buick Radiator

Cooling Radiator

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118 Radiators found

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Buick Radiator Part Number: 89018545
$177.83 MSRP: $265.81
You Save: $87.98 (34%)
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 52489507, 25731392
Fits the following Buick Models:
- LeSabre | 2000-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Radiator Part Number: 89018542
$151.35 MSRP: $236.85
You Save: $85.50 (37%)
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 52478254, 10329499, 52487052, 88957431
Fits the following Buick Models:
- Century | 2000-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Regal | 2000-2004 | LS, LSE | 6 Cyl 3.8 L GAS
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Buick Radiator Part Number: 25731390
$385.19 MSRP: $606.07
You Save: $220.88 (37%)
Ships in 1-3 Business Days
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Fits the following Buick Models:
- LeSabre | 2004 | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Radiator Part Number: 25731389
$385.19 MSRP: $606.07
You Save: $220.88 (37%)
Ships in 1-3 Business Days
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Fits the following Buick Models:
- Park Avenue | 2001 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Radiator Part Number: 13267665
$191.67 MSRP: $368.79
You Save: $177.12 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
Fits the following Buick Models:
- Verano | 2012-2017 | Base, Convenience, Leather, Premium, Sport Touring, Turbo | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Radiator Part Number: 22942965
$340.37 MSRP: $532.67
You Save: $192.30 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
Fits the following Buick Models:
- Envision | 2016-2020 | Premium, Premium II | 4 Cyl 2.0 L GAS
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Buick Radiator Part Number: 23104892
$209.76 MSRP: $328.26
You Save: $118.50 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
Fits the following Buick Models:
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
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Buick Radiator Part Number: 84208066
$200.72 MSRP: $302.75
You Save: $102.03 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator, Radiator
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Radiator Part Number: 84690758
$223.37 MSRP: $430.30
You Save: $206.93 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator, Radiator
- Replaces: 23477119
Fits the following Buick Models:
- Envision | 2017-2020 | Base, Essence, Preferred | 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Radiator Part Number: 84208067
$143.06 MSRP: $223.88
You Save: $80.82 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator, Radiator
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | GS | 6 Cyl 3.6 L GAS
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Buick Radiator Part Number: 42670687
$206.63 MSRP: $308.87
You Save: $102.24 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Radiator, Radiator
- Replaced by: 42771759
Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Radiator Part Number: 15140592
$229.86 MSRP: $346.70
You Save: $116.84 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
Fits the following Buick Models:
- LaCrosse | 2008-2009 | Super | 8 Cyl 5.3 L GAS
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Buick Radiator Part Number: 52453816
$266.92 MSRP: $402.60
You Save: $135.68 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Replaced by: 52477309
Fits the following Buick Models:
- LeSabre | 1986-1987 | Base, Custom, Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Buick Auxiliary Radiator Part Number: 84174839
$146.27 MSRP: $228.90
You Save: $82.63 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Radiator, Radiator; Radiator
Fits the following Buick Models:
- LaCrosse | 2018-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
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Buick Radiator Part Number: 15140506
$202.77 MSRP: $303.10
You Save: $100.33 (34%)
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 10324030
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL | 6 Cyl 3.8 L GAS
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Buick Radiator Part Number: 22762531
$171.32 MSRP: $256.08
You Save: $84.76 (34%)
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 13241729
Fits the following Buick Models:
- Regal | 2011-2013 | CXL, GS, Premium | 4 Cyl 2.0 L FLEX
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Buick Upper Seal Part Number: 10344419
$184.95 MSRP: $276.45
You Save: $91.50 (34%)
Product Specifications
- Other Name: Radiator Assembly; Radiator; Radiator, Radiator
Fits the following Buick Models:
- LaCrosse | 2005-2008 | CXS | 6 Cyl 3.6 L GAS
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Buick Radiator Assembly Part Number: 25813509
Product Specifications
- Other Name: Radiator; Radiator, Radiator
- Replaces: 10420263, 10310317, 15791269
Fits the following Buick Models:
- Rendezvous | 2002-2007 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS, 6 Cyl 3.5 L GAS
- Terraza | 2005-2006 | CX, CXL | 6 Cyl 3.5 L GAS
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Buick Radiator Part Number: 52493121
$179.89 MSRP: $268.90
You Save: $89.01 (34%)
Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 52462564, 52462554, 52476571
Fits the following Buick Models:
- LeSabre | 1992-1993 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1991-1994 | Base, Ultra | 6 Cyl 3.8 L GAS
- Reatta | 1991 | Base | 6 Cyl 3.8 L GAS
- Riviera | 1991-1993 | Luxury | 6 Cyl 3.8 L GAS
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Buick Radiator Assembly Part Number: 15196386
$185.55 MSRP: $277.35
You Save: $91.80 (34%)
Product Specifications
- Other Name: Radiator; Radiator, Radiator
- Replaces: 15162213
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 8 Cyl 5.3 L GAS

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1-20 of 118 Results

Buick Radiator

Choose OEM Radiator, 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. 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 maintains the engine temperatures within the control, protecting the power and preventing heat damage. Buick expanded since 1903 garage innovator to a worldwide symbol that appreciates serene interiors and energetic acceleration. Purchasers enjoy the hush of turning off the radio, and thus the noise of the road subsides and conversation is clear. The seats are cushy but supportive enough to absorb potholes without the squashy wallow that makes other rivals so slipshod. The infotainment stack remains straightforward and is fast to pair with and lets drivers swipe through maps or playlists as opposed to trying to locate buried menus. Curb presence is achieved by a very broad grille and aggressive body lines that nevertheless appear welcoming enough to appeal to both suburbs and city loops. Recent conceptual work indicates an all-electric direction that retains style and gives up the pump visits, demonstrating that the badge will not slumber. The aluminum core Radiator sits upright behind the grille, forcing the coolant into large tubes and coarse fins and launching the heat into the airstream, then the liquid returns to the block to repeat the process. The loop allows Buick engines to maintain their pace during rush hour or on steep slopes without going into the red zone. The Radiator has lightweight metals hence the nose remains light and the steering response is sharp. The durability is enabled by the corrosion-resistant tanks that shake off salt spray and long miles.

Buick Radiator Parts and Q&A

Radiator
89018545
Q: How to service and repair the radiator on Buick LeSabre?
A:
The Radiator repair procedure starts with draining engine coolant before removing the upper Radiator seal with the upper tie bar. The Radiator requires removal of the coolant overflow hose followed by disconnecting both upper and lower Radiator hoses which can then be set carefully aside. You must first remove the transaxle oil cooler pipe bracket bolt from the lower tie bar before taking out the cooling fans. The cooler quick connect tool (J 41623-A) enables you to disengage both the upper and lower transaxle oil cooler pipes from the Radiator after removing the plastic cap from their quick connect fittings. The installation process begins with disassembling the Radiator by first removing condenser mounting bolts and then separating the condenser from the Radiator before raising it out of the vehicle. Install the bottom part of the Radiator into lower pads before attaching the condenser to the Radiator where only the specified 15 mm (0.6 inch) length bolt should be used for installation to prevent end tank damage. The proper torque value for A/C Condenser mounting bolts is 13 nm (115 inch lbs.) after which install the transaxle oil cooler pipes into the Radiator quick connect fittings and verify retention through audio feedback and light pulling force. Putting on the plastic caps over the quick connect joints completes the installation process. The cooling fans should then be placed correctly, and the transaxle oil cooler pipe bracket bolt must be tightened to 10 nm (89 inch lbs.) before securing it to the lower tie bar. Per the installation procedure you should first connect the upper and lower Radiator hoses before reaching the Radiator neck to install the coolant recovery hose. After that you must install the upper tie bar and upper Radiator seal and fill the complete cooling system.
Radiator
25769584
Q: How to replace the radiator on Buick Lucerne?
A:
The first step to replace the Radiator (L26) includes draining part of the cooling system. Uninstall the cooling Fan Shroud assembly followed by disconnecting the condenser line to Radiator retaining bolt. By utilizing hose clamp pliers (J38185) users should relocate the hose clamps from the Radiator outlet hose before removing this hose from the Radiator. After you remove the condenser mounting bolts handle the lower attachment features of Radiator and condenser with care so you can lift the condenser slightly upward to release the lower fitting points from the Radiator front. Open the Radiator compartment then lift the Radiator above the vehicle. The installation starts with placing the new Radiator inside the vehicle while aligning the condenser to prevent attachment point damage. Bolts intended for the condenser mounting need installation and require tightening to 13 nm (115 inch lbs.). Relocate and tighten the Radiator outlet hose clamp through the use of hose clamp pliers (J38185). Install the condenser line to Radiator retaining bolt followed by replacement of the cooling fans and filling in the cooling system.