How to Service and Repair the Coolant Pipe on Cadillac CTS?

To remove the Coolant Pipe outlet (LP1, LY7), drain the cooling system. You then have to use the hose clamp pliers (J 38185) to pull the radiator inlet hose off the cool ant outlet pipe. Then, take out the bolt connecting the oil level indicator tube, coolant outlet pipe and the engine front lift bracket to the Cylinder Head. Then remove the coolant outlet pipe from the Thermostat Housing and throw out the o-ring seals. Lubricate two new o-ring seals with coolant, make sure that the seals are not twisted and install them around the outlet pipe groove of the coolant. Fit the coolant outlet pipe to the Thermostat Housing and tighten the bolt of the oil level indicator tube, coolant outlet pipe, and the engine front lift bracket to the Cylinder Head with the oil level indicator tube bolt to 20 n.m (15 lb ft). At last, use the hose clamp pliers (J 38185), in order to connect the radiator inlet hose to the coolant outlet pipe and fill the cooling system.

OEM Cadillac CTS Coolant Pipe

Engine Cooler Pipe

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36 Coolant Pipes found

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Cadillac CTS 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | Base, Luxury, Performance, Premium | 4 Cyl 2.0 L GAS
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Cadillac CTS Coolant Line Part Number: 12650450
$27.42 MSRP: $42.95
You Save: $15.53 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Turbocharger/Supercharger Air/Vacuum/Cooling; Coolant Pipe; Connector Hose
- Position: Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | Luxury, Performance, Premium, Vsport, Vsport Premium, Vsport Premium Luxury | 6 Cyl 3.6 L GAS
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Cadillac CTS Coolant Line, Driver Side Part Number: 12667301
$75.12 MSRP: $117.67
You Save: $42.55 (37%)
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Product Specifications
- Other Name: Coolant Pipe; Water Feed Tube; Hoses; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
- Position: Driver Side
- Replaces: 12639902
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | Luxury, Performance, Premium, Vsport, Vsport Premium, Vsport Premium Luxury | 6 Cyl 3.6 L GAS
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Cadillac CTS Coolant Line, Passenger Side Part Number: 12667302
$82.95 MSRP: $129.93
You Save: $46.98 (37%)
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Product Specifications
- Other Name: Coolant Pipe; Water Feed Tube; Hoses; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
- Position: Passenger Side
- Replaces: 12639901
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | Luxury, Performance, Premium, Vsport, Vsport Premium, Vsport Premium Luxury | 6 Cyl 3.6 L GAS
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Cadillac CTS Coolant Line, Driver Side Part Number: 12667309
$59.00 MSRP: $92.42
You Save: $33.42 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling; Coolant Pipe; Water Return Tube; Hoses
- Position: Driver Side
- Replaces: 12639904
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | Luxury, Performance, Premium, Vsport, Vsport Premium, Vsport Premium Luxury | 6 Cyl 3.6 L GAS
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Cadillac CTS Water Inlet Hose Part Number: 25881831
$51.45 MSRP: $76.57
You Save: $25.12 (33%)
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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Cadillac CTS | Base | 6 Cyl 3.6 L GAS
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Cadillac CTS Overflow Hose Part Number: 88956890
$28.62 MSRP: $42.58
You Save: $13.96 (33%)
Product Specifications
- Other Name: Hose, Engine Coolant Recovery; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose; Outlet Pipe; Outlet Hose
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2015, 2004-2007 Cadillac CTS | V | 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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Cadillac CTS Inlet Pipe Part Number: 9240163
Product Specifications
- Other Name: Pipe, Engine Oil Cooler Outlet; Oil Line; Outlet Pipe; Pipe, Engine Oil Cooler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Cadillac CTS | Base, Luxury, Luxury Sport | 6 Cyl 3.2 L GAS
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Cadillac CTS Upper Hose Part Number: 19130239
Product Specifications
- Other Name: Hose, Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
- Position: Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Cadillac CTS | V | 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
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Cadillac CTS Inlet Hose Part Number: 89022484
Product Specifications
- Other Name: Hose Assembly, Radiator Surge Tank Inlet; Radiator Hose; Hose, Engine Coolant Recovery
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Cadillac CTS | V | 8 Cyl 5.7 L GAS
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Cadillac CTS Overflow Hose Part Number: 25800335
Product Specifications
- Other Name: Hose-Radiator Surge Tank Engine; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose; Outlet Hose
- Replaced by: 25942705
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Cadillac CTS | Base | 6 Cyl 3.6 L GAS
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Cadillac CTS Overflow Hose Part Number: 25942705
Product Specifications
- Other Name: Hose-Radiator Surge Tank Engine; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose; By-Pass Hose; Hose, Engine Coolant Recovery
- Replaces: 25800335
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2014 Cadillac CTS | Base, Luxury, Performance, Premium | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Cadillac CTS Inlet Hose Part Number: 23104599
$31.08 MSRP: $46.26
You Save: $15.18 (33%)
Product Specifications
- Other Name: Hose Assembly-Radiator Surge Tank Inlet; Radiator Hose; Reservoir Hose
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | Luxury, Performance, Premium, Premium Luxury | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Cadillac CTS Auxiliary Pump Part Number: 25808862
Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Water Pump; Water Inlet Hose; Hose, Engine Coolant By - Pass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Cadillac CTS | Base | 6 Cyl 3.6 L GAS
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Cadillac CTS Outlet Hose Part Number: 25881832
Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Radiator Hose; Hose, Engine Coolant By - Pass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Cadillac CTS | Base | 6 Cyl 3.6 L GAS
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Cadillac CTS Outlet Hose Part Number: 25808863
Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Radiator Hose; Hose, Engine Coolant By - Pass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Cadillac CTS | Base | 6 Cyl 3.6 L GAS
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Cadillac CTS Overflow Hose Part Number: 25757865
Product Specifications
- Other Name: Hose, Radiator Surge Tank Overflow; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose; Hose, Engine Coolant Recovery
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Cadillac CTS | Base, Luxury, Luxury Sport, V | 6 Cyl 2.8 L GAS, 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
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Cadillac CTS Inlet Hose Part Number: 22805728
Product Specifications
- Other Name: Hose, Engine Coolant Recovery; Radiator Hose
- Replaces: 25991539
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2014 Cadillac CTS | Base, Luxury, Performance, Premium | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Cadillac CTS Inlet Hose Part Number: 19129865
Product Specifications
- Other Name: Hose, Radiator Surge Tank Inlet; Radiator Hose; Hose, Engine Coolant Recovery
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Cadillac CTS | V | 8 Cyl 6.0 L GAS
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Cadillac CTS Inlet Hose Part Number: 88987636
Product Specifications
- Other Name: Hose Assembly, Radiator Surge Tank Inlet; Radiator Hose; Hose, Engine Coolant Recovery
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Cadillac CTS | Base | 6 Cyl 2.8 L GAS, 6 Cyl 3.6 L GAS

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Cadillac CTS Coolant Pipe

Want to cut long-term maintenance and repair costs? Choose OEM Coolant Pipe. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Cadillac CTS parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Cadillac CTS Coolant Pipe includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The Cadillac CTS Coolant Pipe performs as an integral part of the Cadillac CTS engine cooling system because it transports coolant properly to safeguard against overheating conditions. The Coolant Pipe serves as a reliable performance component in older CTS models with metal materials but newer CTS versions have plastic pipes which remain light yet fail with intense operating conditions. The Coolant Pipe supports all Cadillac CTS models manufactured between 2003 and 2019 because of its design compatibility with each model generation. Customers benefit from the Coolant Pipe through its dual purpose of engine efficiency enhancement with safety protection by reducing both leakage dangers and overheating conditions which can lead to major engine breakdowns. Model vehicle owners must perform frequent Checkups of the Coolant Pipe because inspections detect issues that help avoid both Expensive maintenance costs and inadequate engine performance. The Cadillac automobile Coolant Pipe stands out among automotive coolant pipes because it displays excellent durability while reducing the probability of leaks better than regular flexible hoses. The part demonstrates Cadillac car commitment to quality innovation through its vital role in cooling the vehicle's system thus proving indispensable for the automaker model owners interested in performance and reliability.

Cadillac CTS Coolant Pipe Parts Questions & Experts Answers

Overflow Hose
88956890
Q: How to Service and Repair the Coolant Pipe on Cadillac CTS?
A:
To remove the Coolant Pipe outlet (LP1, LY7), drain the cooling system. You then have to use the hose clamp pliers (J 38185) to pull the radiator inlet hose off the cool ant outlet pipe. Then, take out the bolt connecting the oil level indicator tube, coolant outlet pipe and the engine front lift bracket to the Cylinder Head. Then remove the coolant outlet pipe from the Thermostat Housing and throw out the o-ring seals. Lubricate two new o-ring seals with coolant, make sure that the seals are not twisted and install them around the outlet pipe groove of the coolant. Fit the coolant outlet pipe to the Thermostat Housing and tighten the bolt of the oil level indicator tube, coolant outlet pipe, and the engine front lift bracket to the Cylinder Head with the oil level indicator tube bolt to 20 n.m (15 lb ft). At last, use the hose clamp pliers (J 38185), in order to connect the radiator inlet hose to the coolant outlet pipe and fill the cooling system.