How to install the engine oil cooler on Buick Rendezvous?

Use sealer p/n 21485278 to treat the Oil Cooler hose fitting threads before installation begins. Place the Oil Cooler hose fitting before tightening it to 19 n.m using 14 lb ft torque. First tighten the Oil Cooler hose fitting with sealer (P/N 21485278) then connect the Oil Cooler inlet hose clamp to the Oil Cooler hose fitting followed by the installation of the Oil Cooler and the Oil Cooler inlet hose clamp. Disassemble the Oil Cooler connector carefully by using a torque wrench for securing at 50 n.m torque (37 lb ft). After the hoses and pipe installation begins put on the lower Oil Cooler outlet hose to the Oil Cooler while connecting the upper Oil Cooler hose to the thermostat bypass pipe.

How to replace the engine oil cooler on Buick Terraza?

You need to drain the cooling system first before you remove the radiator air baffle when replacing the Engine Oil Cooler unit. A suitable drain pan should catch dripping liquid while you remove the Oil Filter. You must reposition the Oil Cooler outlet hose clamp on the Oil Cooler before you detach the hose from its position on the cooler fitting. Start by unclamping and pulling the engine mounted Oil Cooler inlet hose off its engine connection. The first step should be disconnecting the Oil Cooler connector before removing the Oil Cooler and its gasket from the Oil Filter adapter. The first step is to clamp and detach the Oil Cooler inlet hose from its position at the Oil Cooler. The installation process requires Oil Cooler inlet hose installation to the Oil Cooler and secure the Oil Cooler inlet hose clamp in position at the Oil Cooler. Position the new Oil Cooler gasket onto the Oil Cooler before attaching the gasket along with the Oil Cooler to the Oil Filter adapter. Be sure to follow all fastener notice requirements. Secure the Oil Cooler connector with a torque of 25 n.m (18 lb ft). Position the Oil Cooler inlet hose clamp at the engine as you install the outlet hose to the engine fitting. You should attach the Oil Cooler outlet hose to its fitting while installing the outlet hose clamp on the Oil Cooler. Fasten the Oil Filter installation with 30 n.m (22 lb ft) torque. After removing the Oil Filter drain pan reinstall the radiator air baffle then fill the cooling system as well as checking and filling the crankcase if needed.

OEM Buick Oil Cooler

Engine Oil Cooler

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26 Oil Coolers found

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Buick Oil Cooler Part Number: 55566784
$278.35 MSRP: $416.07
You Save: $137.72 (34%)
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Product Specifications
- Other Name: Cooler Assembly-Engine Oil (W/Filter); Engine Oil Cooler; Cooler Assembly; Cooler, Engine Oil Cooler
Fits the following Buick Models:
- Encore | 2013-2021 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Oil Cooler Part Number: 12610723
$245.09 MSRP: $366.34
You Save: $121.25 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler, Engine Oil Cooler
- Replaces: 12593171
Fits the following Buick Models:
- Terraza | 2006-2007 | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Oil Cooler Part Number: 12678774
$118.65 MSRP: $177.35
You Save: $58.70 (34%)
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Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler, Engine Oil Cooler
- Replaces: 12640136
Fits the following Buick Models:
- Encore | 2016-2022 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Oil Cooler Part Number: 55505451
$79.56 MSRP: $118.40
You Save: $38.84 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler, Engine Oil Cooler
Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Transmission Cooler Part Number: 52487851
$69.90 MSRP: $230.58
You Save: $160.68 (70%)
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Product Specifications
- Other Name: Cooler Assembly, Transmission Fluid; Oil Cooler; Cooler Assembly; Cooler, Transmission Oil Cooler
- Replaces: 03059134, 03090586, 3090586, 52461116, 3059134
Fits the following Buick Models:
- Riviera | 1986-1990 | Luxury, T-Type | 6 Cyl 3.8 L GAS
- Skylark | 1992-1993 | Custom, Gran Sport, Limited | 4 Cyl 2.3 L GAS, 6 Cyl 3.3 L GAS
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Buick Power Steering Cooler Part Number: 13280139
$151.35 MSRP: $249.30
You Save: $97.95 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cooler, Power Steering Fluid; Cooler
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, Convenience, CX, CXL, CXS, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick Oil Cooler Part Number: 12597310
$234.94 MSRP: $313.25
You Save: $78.31 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler, Engine Oil Cooler
- Replaces: 12581271
Fits the following Buick Models:
- Rendezvous | 2006-2007 | CX, CXL | 6 Cyl 3.5 L GAS
- Terraza | 2005-2006 | CX, CXL | 6 Cyl 3.5 L GAS
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Buick Oil Cooler Assembly Part Number: 55492937
$495.30 MSRP: $743.70
You Save: $248.40 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cooler, Engine Oil Cooler; Oil Cooler
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
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Buick Oil Cooler Part Number: 24504105
Product Specifications
- Other Name: Cooler, Engine Oil Cooler
Fits the following Buick Models:
- Rendezvous | 2002-2004 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
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Buick Oil Cooler Part Number: 10226222
Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler, Engine Oil Cooler
Fits the following Buick Models:
- Roadmaster | 1993-1996 | Base, Collector's Edition, Estate Wagon, Estate Wagon Collector's Edition, Limited, Limited Collector's Edition | 8 Cyl 5.7 L GAS
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Buick Transmission Cooler Part Number: 10145075
Product Specifications
- Other Name: Cooler, Transmission Oil Cooler; Cooler Assembly
Fits the following Buick Models:
- Regal | 1993 | Custom, Gran Sport, Limited | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
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Buick Power Steering Cooler Part Number: 26028403
Product Specifications
- Other Name: Cooler, Power Steering Fluid; Power Steering Hose; Cooler Line; Cooler; Pipe
Fits the following Buick Models:
- Reatta | 1989-1991 | Base | 6 Cyl 3.8 L GAS
- Riviera | 1989-1993 | Luxury, T-Type | 6 Cyl 3.8 L GAS
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Buick Transmission Cooler Part Number: 52461250
Product Specifications
- Other Name: Cooler, Transmission Oil Cooler; Oil Cooler Assembly; Oil Cooler Core; Cooler Assembly
Fits the following Buick Models:
- Riviera | 1991-1993 | Luxury | 6 Cyl 3.8 L GAS
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Buick Transmission Cooler Part Number: 52455725
Product Specifications
- Other Name: Cooler, Transmission Oil Cooler; Oil Cooler; Cooler Assembly
- Replaces: 52454667
Fits the following Buick Models:
- Riviera | 1991-1993 | Luxury | 6 Cyl 3.8 L GAS
- Skylark | 1994 | Custom, Gran Sport, Limited | 4 Cyl 2.3 L GAS, 6 Cyl 3.1 L GAS
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Buick Oil Cooler Part Number: 52489164
Product Specifications
- Other Name: Cooler, Engine Oil Cooler; Oil Cooler Assembly
- Replaces: 52468235
Fits the following Buick Models:
- LeSabre | 1992-1995 | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Transmission Cooler Part Number: 25639928
Product Specifications
- Other Name: Cooler, Transmission Oil Cooler; Oil Cooler; Cooler Assembly
- Replaces: 52464080
Fits the following Buick Models:
- LeSabre | 1995 | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Transmission Cooler Part Number: 12364240
Product Specifications
- Other Name: Cap, Air Conditioner Compressor; Oil Cooler; Cooler Assembly; Suction Hose Cap; Cooler, Transmission Oil Cooler; Cap, A/C Compressor
Fits the following Buick Models:
- LeSabre | 1992-1994 | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Oil Cooler Part Number: 10108236
Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler, Engine Oil Cooler
Fits the following Buick Models:
- Roadmaster | 1991-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Buick Oil Cooler Part Number: 12639408
$176.16 MSRP: $263.33
You Save: $87.17 (34%)
Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler, Engine Oil Cooler
- Replaces: 12601390
Fits the following Buick Models:
- Regal | 2011-2013 | CXL, GS, Premium | 4 Cyl 2.0 L FLEX
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Buick Oil Cooler Part Number: 12688093
$103.95 MSRP: $154.68
You Save: $50.73 (33%)
Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler, Engine Oil Cooler
- Replaces: 12627034, 12658740, 25201819, 25202979
Fits the following Buick Models:
- Envision | 2016-2020 | Premium, Premium II | 4 Cyl 2.0 L GAS
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
- 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 Oil Cooler

Choose OEM Oil Cooler, 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 ChevyPartsGiant.com, you'll find it easy to get top-quality OEM Buick Oil Cooler. 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 Oil Cooler Parts and Q&A

Oil Cooler
12597310
Q: How to install the engine oil cooler on Buick Rendezvous?
A:
Use sealer p/n 21485278 to treat the Oil Cooler hose fitting threads before installation begins. Place the Oil Cooler hose fitting before tightening it to 19 n.m using 14 lb ft torque. First tighten the Oil Cooler hose fitting with sealer (P/N 21485278) then connect the Oil Cooler inlet hose clamp to the Oil Cooler hose fitting followed by the installation of the Oil Cooler and the Oil Cooler inlet hose clamp. Disassemble the Oil Cooler connector carefully by using a torque wrench for securing at 50 n.m torque (37 lb ft). After the hoses and pipe installation begins put on the lower Oil Cooler outlet hose to the Oil Cooler while connecting the upper Oil Cooler hose to the thermostat bypass pipe.
Oil Cooler
12610723
Q: How to replace the engine oil cooler on Buick Terraza?
A:
You need to drain the cooling system first before you remove the radiator air baffle when replacing the Engine Oil Cooler unit. A suitable drain pan should catch dripping liquid while you remove the Oil Filter. You must reposition the Oil Cooler outlet hose clamp on the Oil Cooler before you detach the hose from its position on the cooler fitting. Start by unclamping and pulling the engine mounted Oil Cooler inlet hose off its engine connection. The first step should be disconnecting the Oil Cooler connector before removing the Oil Cooler and its gasket from the Oil Filter adapter. The first step is to clamp and detach the Oil Cooler inlet hose from its position at the Oil Cooler. The installation process requires Oil Cooler inlet hose installation to the Oil Cooler and secure the Oil Cooler inlet hose clamp in position at the Oil Cooler. Position the new Oil Cooler gasket onto the Oil Cooler before attaching the gasket along with the Oil Cooler to the Oil Filter adapter. Be sure to follow all fastener notice requirements. Secure the Oil Cooler connector with a torque of 25 n.m (18 lb ft). Position the Oil Cooler inlet hose clamp at the engine as you install the outlet hose to the engine fitting. You should attach the Oil Cooler outlet hose to its fitting while installing the outlet hose clamp on the Oil Cooler. Fasten the Oil Filter installation with 30 n.m (22 lb ft) torque. After removing the Oil Filter drain pan reinstall the radiator air baffle then fill the cooling system as well as checking and filling the crankcase if needed.