How to replace the throttle body coolant pipe on Buick LaCrosse?

To replace the Throttle Body heater hose/pipe, you should start by draining the cooling system partially. Relocate the brake booster hose and the wiring harness from the remote power steering fluid reservoir. Unscrew the mounting bolts (1, 3) of the remote power steering fluid reservoir and it should be placed aside. Remove the Wiper Motor module to expose the rear of Throttle Body heater inlet hose. For you to remove the heated oxygen sensor connector, clear the backside of the Throttle Body heater inlet hose/pipe of the sensor and use a 90 degree needle nose pliers to remove Throttle Body heater inlet hose from the water crossover. Remove the electrical connector at the coil pack , then remove the cam shaft position (CMP), the left knock sensor connector, and the front thottle body heater inlet hose/pipe vacuum pipe retainer. Unplug the vacuum brake booster hose from the vacuum source and extract the bolts holding the Throttle Body heater inlet hose/pipe to the intake plenum and the engine rear lift bracket out. Unplug the Throttle Body heater inlet hose from the Throttle Body, and remove the hose/pipe from the engine. For installation, place this Throttle Body heater inlet hose/pipe to the engine (where) and connect it to Throttle Body (where). Mount the retention bolts for the hose/pipe to the intake plenum and the engine rear lift bracket, and tighten to 9 n.m (80 lb in). Reattach the vacuum brake booster hose to the vacuum source and attach the cmp sensor connector, the left knock sensor connector, and the vacuum pipe retainer to the front of the Throttle Body heater inlet hose/pipe. Services the thread the coil pack and Throttle Body heater inlet hose back to the water crossover with 90 degrees needle nose pliers. Connect back the heated oxygen sensor connector to the rear of the Throttle Body heater inlet hose/pipe, reconnect the Wiper Motor module and tighten securing the remote power steering fluid reservoir using its mounting bolts (1, 3), tightening the reservoir to intake plenum bolts to 9 n.m (80 lb in) and the reservoir to cylinder head bolt to 25 n.m (18 lb ft). Eventually, reattach the brake booster hose and the wiring harness to the remote power steering fluid reservoir and top up the cooling system.

How to replace the throttle body coolant pipe on Buick Century?

The process starts with throttle body air inlet duct removal followed by cooling system drainage. First disconnect the throttle body inlet hose's clamp from both the coolant pipe and throttle body before taking out the throttle body inlet hose. Begin installation by putting in the throttle body inlet hose followed by attaching it to the throttle body then the coolant pipe . Reinstall the throttle body air inlet duct after filling the cooling system with fluid.

OEM Buick Coolant Pipe

Engine Cooler Pipe

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142 Coolant Pipes found

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Buick Water Pipe Part Number: 12590279
$50.70 MSRP: $91.76
You Save: $41.06 (45%)
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Product Specifications
- Other Name: Pipe, Engine Coolant By-Pass; Radiator Hose; By-Pass Hose; By-Pass Pipe; Pipe; Pipe, Engine Coolant By - Pass
- Replaces: 10182341
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Rendezvous | 2002-2005 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
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Buick Coolant Line Part Number: 12679313
$17.17 MSRP: $28.29
You Save: $11.12 (40%)
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Product Specifications
- Other Name: Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling; Coolant Pipe; Cooling Pipe; Water Inlet Pipe; Water Return Tube
- Replaces: 12627076
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 Water Return Tube Part Number: 55569226
$52.66 MSRP: $86.76
You Save: $34.10 (40%)
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Product Specifications
- Other Name: Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling; Coolant Pipe
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
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Buick Connector Hose Part Number: 12627054
$16.60 MSRP: $31.18
You Save: $14.58 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; By-Pass Hose; Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
- 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 By-Pass Hose Part Number: 12702515
$43.96 MSRP: $79.56
You Save: $35.60 (45%)
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
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Buick Drain Hose Part Number: 9438373
$59.89 MSRP: $118.44
You Save: $58.55 (50%)
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Product Specifications
- Other Name: Hose, Fuel-Oil Evaporator 3/8"X24'; Power Steering Hose; Multi Purpose Hose; Power Steering Return Hose, Overflow, Canister, Radiator, Fuel, Crankcase, Steering
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 3.3 L GAS
- Electra | 1985-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- Riviera | 1986-1987 | Luxury, T-Type | 6 Cyl 3.8 L GAS
- Skylark | 1989-1990 | Custom, Gran Sport, Limited, Luxury Edition | 6 Cyl 3.3 L GAS
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Buick By-Pass Valve Part Number: 55509227
$40.08 MSRP: $72.54
You Save: $32.46 (45%)
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Connector Hose Part Number: 12683114
$7.38 MSRP: $13.18
You Save: $5.80 (45%)
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; By-Pass Hose; Hoses; Hose, Engine Coolant By - Pass
- Replaces: 12634749
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 Vent Hose Part Number: 95383975
$8.57 MSRP: $13.62
You Save: $5.05 (38%)
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Product Specifications
- Other Name: Hose-Engine Coolant Air Bleed; Multi Purpose Hose; Hose, Engine Coolant By - Pass
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 Water Hose Part Number: 12699841
$8.86 MSRP: $13.88
You Save: $5.02 (37%)
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Product Specifications
- Other Name: Hose Assembly-Engine Coolant Flow Control Valve; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.3 L GAS
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Buick Water Pipe Part Number: 55507859
$73.69 MSRP: $121.39
You Save: $47.70 (40%)
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Product Specifications
- Other Name: Pipe Assembly-Turbo Coolant Feed & Return; Coolant Pipe; Cooling Hose; Coolant Line; Oil Return Tube; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Connector Hose Part Number: 12634280
$8.86 MSRP: $14.07
You Save: $5.21 (38%)
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Reservoir Hose; Hose, Engine Coolant By - Pass
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 Coolant Line Part Number: 55509610
$7.64 MSRP: $12.12
You Save: $4.48 (37%)
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Product Specifications
- Other Name: Coolant Pipe; Cooling Hose; Water Feed Tube; Hoses; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Reservoir Hose Part Number: 23497241
$13.12 MSRP: $21.61
You Save: $8.49 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Coolant Reservoir Hose; Multi Purpose Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Coolant Line Part Number: 55500592
$29.64 MSRP: $48.81
You Save: $19.17 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Coolant Pipe; Water Feed Tube; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
- Replaces: 55569227
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
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Buick Air Hose Part Number: 42744621
$34.58 MSRP: $56.95
You Save: $22.37 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Hose, Engine Coolant By - Pass
- Replaced by: 42869227
Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Outlet Hose Part Number: 26276233
$26.20 MSRP: $43.16
You Save: $16.96 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Radiator Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick Coolant Hose Part Number: 12673707
$69.99 MSRP: $109.64
You Save: $39.65 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
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Buick Coolant Hose Part Number: 26223363
$50.19 MSRP: $78.62
You Save: $28.43 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Radiator Hose; Cooling Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick Water Pipe Part Number: 12703243
$47.61 MSRP: $78.40
You Save: $30.79 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coolant Line; Coolant Pipe; Cooling Hose; Oil Return Tube; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.3 L GAS

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Buick Coolant Pipe

Choose OEM Coolant Pipe, 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 Coolant Pipe. 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 Coolant Pipe maintains engine heat at a reasonable level, circulating the coolant in the engine rapidly in rigid lines. In 1903, Buick started selling cars and established a reputation of smooth rides and silent interiors. Over decades it had overlaid innovations such as QuietTuning, a user-friendly dashboard, and a brand new Wildcat EV concept that alludes to an all-electric tilt. Drivers observe smooth cabins at highway pace, simplified controls, and sheet metal which does not gimmick loudly. The badge takes advantage of the trust that is established throughout generations, but it never ceases updating technology to suit the new habits. Buick is a blend of traditional and progressive style, thus long drives come easy and urban shopping is low-stress. Its models now combine roomy crossovers with sedans that go over potholes and are favored by families who do not want to lose their sense of practicality in their daily lives. The Coolant Pipe, which is made of heavy metal in older cars and of lightweight plastic in newer ones, has a fixed path that is next to the engine block, which causes the coolant to flow towards the radiator; it has the advantage of not being kinked as do flexible hoses, and as a result, it has the benefit of reducing the likelihood of sudden overheating during both long and short drives. Once cracks or corrosion are seen, then changing the Coolant Pipe early can maintain the temperatures constant and will last long even during summer traffic for years later on.

Buick Coolant Pipe Parts and Q&A

Reservoir Hose
15913153
Q: How to replace the throttle body coolant pipe on Buick LaCrosse?
A:
To replace the Throttle Body heater hose/pipe, you should start by draining the cooling system partially. Relocate the brake booster hose and the wiring harness from the remote power steering fluid reservoir. Unscrew the mounting bolts (1, 3) of the remote power steering fluid reservoir and it should be placed aside. Remove the Wiper Motor module to expose the rear of Throttle Body heater inlet hose. For you to remove the heated oxygen sensor connector, clear the backside of the Throttle Body heater inlet hose/pipe of the sensor and use a 90 degree needle nose pliers to remove Throttle Body heater inlet hose from the water crossover. Remove the electrical connector at the coil pack , then remove the cam shaft position (CMP), the left knock sensor connector, and the front thottle body heater inlet hose/pipe vacuum pipe retainer. Unplug the vacuum brake booster hose from the vacuum source and extract the bolts holding the Throttle Body heater inlet hose/pipe to the intake plenum and the engine rear lift bracket out. Unplug the Throttle Body heater inlet hose from the Throttle Body, and remove the hose/pipe from the engine. For installation, place this Throttle Body heater inlet hose/pipe to the engine (where) and connect it to Throttle Body (where). Mount the retention bolts for the hose/pipe to the intake plenum and the engine rear lift bracket, and tighten to 9 n.m (80 lb in). Reattach the vacuum brake booster hose to the vacuum source and attach the cmp sensor connector, the left knock sensor connector, and the vacuum pipe retainer to the front of the Throttle Body heater inlet hose/pipe. Services the thread the coil pack and Throttle Body heater inlet hose back to the water crossover with 90 degrees needle nose pliers. Connect back the heated oxygen sensor connector to the rear of the Throttle Body heater inlet hose/pipe, reconnect the Wiper Motor module and tighten securing the remote power steering fluid reservoir using its mounting bolts (1, 3), tightening the reservoir to intake plenum bolts to 9 n.m (80 lb in) and the reservoir to cylinder head bolt to 25 n.m (18 lb ft). Eventually, reattach the brake booster hose and the wiring harness to the remote power steering fluid reservoir and top up the cooling system.
By-Pass Hose
10182356
Q: How to replace the throttle body coolant pipe on Buick Century?
A:
The process starts with throttle body air inlet duct removal followed by cooling system drainage. First disconnect the throttle body inlet hose's clamp from both the coolant pipe and throttle body before taking out the throttle body inlet hose. Begin installation by putting in the throttle body inlet hose followed by attaching it to the throttle body then the coolant pipe . Reinstall the throttle body air inlet duct after filling the cooling system with fluid.