How to replace the afterboil water pump on Cadillac CTS?

To replace the afterboil coolant pump one should first drain out the coolant. Slide the hose clamp (J38185) down on the hose and remove the hose from afterboil coolant pump using Hose Clamp Pliers (J38185). Then slide the hose clamp back on the hose and disconnect the hose from the afterboil coolant pump. Next, remove the afterboil coolant pump bolts before taking out the afterboil coolant pump, and disconnect the afterboil coolant pump electrical connector from the afterboil coolant pump. With the fixings of the afterboil coolant pump bolts being tightened to the value of 10 Nm, (89 inch lbs.), you are ready for installation of the afterboil coolant pump and positioning thereof. Attach afterboil coolant pump electrical connector to afterboil coolant pump, then link hose to afterboil coolant pump. Attach the Hose Clamp Pliers (J38185) to sliding the hose clamp back to its original position on the hose, reconnecting the hose to the afterboil coolant pump and sliding the hose clamp back to its original position on the hose. Additionally, charge the cooling system with coolant.

OEM Cadillac CTS Water Pump

H2O Pump

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10 Water Pumps found

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Cadillac CTS Auxiliary Pump Part Number: 25808860
$155.61 MSRP: $302.00
You Save: $146.39 (49%)
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Product Specifications
- Other Name: Pump, Engine Coolant; Water Pump
- Replaced by: 19436415
- 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 Water Pump Part Number: 12700555
$280.66 MSRP: $549.49
You Save: $268.83 (49%)
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Product Specifications
- Other Name: Pump Assembly-Water (W/Manifold); Water Pump Assembly; Manifold; Pump, Engine Coolant
- Replaces: 12685733, 12670051, 12681260, 12674637
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | V | 8 Cyl 6.2 L GAS
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Cadillac CTS Water Pump Part Number: 12709178
$192.45 MSRP: $380.82
You Save: $188.37 (50%)
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Product Specifications
- Other Name: Pump Kit-Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaced by: 12739553
- Replaces: 12645176, 12637479, 12618472, 12657499
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2017 Cadillac CTS | Base, Luxury, Performance, Premium, Vsport, Vsport Premium, Vsport Premium Luxury | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Cadillac CTS Water Pump Part Number: 25201450
$237.44 MSRP: $464.89
You Save: $227.45 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Water Pump Assembly; Gasket, Engine Coolant Pump; Pump, Engine Coolant
- Replaces: 12657198, 12663910, 12653661, 12690252
- 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 Water Pump Part Number: 19180610
$248.33 MSRP: $481.98
You Save: $233.65 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2015 Cadillac CTS | V | 8 Cyl 6.2 L GAS
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Cadillac CTS Water Pump Part Number: 12710208
$302.35 MSRP: $586.81
You Save: $284.46 (49%)
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Product Specifications
- Other Name: Pump Kit-Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 12681186, 19303456, 89017457, 12686762, 89018052, 89017592, 19434778
- 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 Water Pump Part Number: 12707180
$119.71 MSRP: $232.35
You Save: $112.64 (49%)
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Product Specifications
- Other Name: Pump Kit-Water; Water Pump Assembly; Pump Kit, Engine Coolant
- Replaces: 12672035
- 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 Water Pump Part Number: 55352002
Product Specifications
- Other Name: Pump, Water; Water Pump Assembly; Pump Kit, Engine Coolant; Pump, Engine Coolant
- Replaces: 09201182, 90543277, 93170697, 88894297, 9201182
- 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 Water Pump Part Number: 12566029
Product Specifications
- Other Name: Pump, Water; Oil Pump
- 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 Water Pump Part Number: 19418607
Product Specifications
- Other Name: Pump Assembly, Heater Water Auxiliary; Auxiliary Pump; Pump, Engine Coolant
- Replaces: 25734790
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Cadillac CTS | Base, Luxury, Luxury Sport, V | 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS

Cadillac CTS Water Pump

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Cadillac CTS Automobiles Water Pump is an essential part- assigned with the duties of pumping anti-freeze water between the engine and the radiator in order to cool the engine as the car is running. In the absence of an efficient Water Pump the engine is likely to over heat especially during a hot day or while in traffic. The Water Pump in combination with the radiator and cooling fan assembly helps in cooling the engine and avoiding harm to it. If the Water Pump is rotten or busted, it must be replaced as soon as possible so as to avoid major disasters such as a complete conking off of the engine and or frequent breakdowns along the road.

Cadillac CTS Water Pump Parts and Q&A

Water Pump
12566029
Q: How to replace the afterboil water pump on Cadillac CTS?
A:
To replace the afterboil coolant pump one should first drain out the coolant. Slide the hose clamp (J38185) down on the hose and remove the hose from afterboil coolant pump using Hose Clamp Pliers (J38185). Then slide the hose clamp back on the hose and disconnect the hose from the afterboil coolant pump. Next, remove the afterboil coolant pump bolts before taking out the afterboil coolant pump, and disconnect the afterboil coolant pump electrical connector from the afterboil coolant pump. With the fixings of the afterboil coolant pump bolts being tightened to the value of 10 Nm, (89 inch lbs.), you are ready for installation of the afterboil coolant pump and positioning thereof. Attach afterboil coolant pump electrical connector to afterboil coolant pump, then link hose to afterboil coolant pump. Attach the Hose Clamp Pliers (J38185) to sliding the hose clamp back to its original position on the hose, reconnecting the hose to the afterboil coolant pump and sliding the hose clamp back to its original position on the hose. Additionally, charge the cooling system with coolant.