How to replace the inlet radiator hose (LA3, LY9) on 2004 Cadillac CTS?

The first step for Radiator inlet hose replacement (LA3, LY9) involves draining part of the cooling system fluid. Carry out the inlet hose removal task with hose clamp pliers (J38185) by extracting it first from the Radiator and next from the engine block. Lastly install the new Radiator inlet hose so that the top mark faces upward and use the hose clamp pliers (J38185) for mounting operations. The hose clamp pliers (J38185) should be used to install the hose onto the engine while the hose clamp pliers (J37097-A) should be used to complete the hose connection at the Radiator. Finally, fill the cooling system.

OEM 2004 Cadillac CTS Radiator Hose

Radiator Hose Tube

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8 Radiator Hoses found

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2004 Cadillac CTS Lower Hose
Part Number: 25740123
$72.90 MSRP: $152.82
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Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Item Weight: 2.10 Pounds
- Item Dimensions: 15.0 x 15.0 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25740123
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport | 6 Cyl 3.2 L GAS
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2004 Cadillac CTS Upper Hose
Part Number: 25740124
$118.30 MSRP: $157.74
You Save: $39.44 (25%)
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Product Specifications
- Other Name: Hose, Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
- Position: Upper
- Item Weight: 1.30 Pounds
- Item Dimensions: 15.1 x 14.6 x 4.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25740124
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport | 6 Cyl 3.2 L GAS
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2004 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
- Item Weight: 0.90 Pounds
- Item Dimensions: 8.7 x 6.0 x 4.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19130239
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Cadillac CTS Submodels:
- V | 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
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2004 Cadillac CTS Inlet Pipe
Part Number: 90411629
Product Specifications
- Other Name: Pipe, Radiator Inlet (Upper); Radiator Hose; Outlet Pipe; Upper Pipe; Outlet, Engine Coolant
- Item Weight: 0.80 Pounds
- Item Dimensions: 8.9 x 4.0 x 1.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90411629
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport | 6 Cyl 3.2 L GAS
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2004 Cadillac CTS Outlet Pipe
Part Number: 9230985
Product Specifications
- Other Name: Pipe Assembly-Radiator Outlet; Radiator Hose; Pipe, Radiator Outlet (Lower)
- Item Weight: 1.20 Pounds
- Item Dimensions: 21.6 x 11.3 x 5.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9230985
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport | 6 Cyl 3.2 L GAS
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2004 Cadillac CTS Upper Hose
Part Number: 88987634
Product Specifications
- Other Name: Hose, Radiator Inlet (Upper); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Item Weight: 1.20 Pounds
- Item Dimensions: 10.5 x 7.9 x 7.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88987634
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Cadillac CTS Submodels:
- Base | 6 Cyl 2.8 L GAS, 6 Cyl 3.6 L GAS
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2004 Cadillac CTS Lower Hose
Part Number: 89022513
Product Specifications
- Other Name: Hose Assembly, Radiator Outlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Outlet (Lower)
- Item Weight: 1.70 Pounds
- Item Dimensions: 26.4 x 12.5 x 9.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89022513
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Cadillac CTS Submodels:
- V | 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
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2004 Cadillac CTS Lower Hose
Part Number: 88958082
Product Specifications
- Other Name: Hose Assembly, Radiator Outlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Outlet (Lower)
- Item Weight: 1.70 Pounds
- Item Dimensions: 14.7 x 10.7 x 7.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88958082
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Cadillac CTS Submodels:
- Base | 6 Cyl 2.8 L GAS, 6 Cyl 3.6 L GAS

2004 Cadillac CTS Radiator Hose

With a comprehensive array of OEM 2004 Cadillac CTS Radiator Hose, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2004 Cadillac CTS Radiator Hose are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2004 Cadillac CTS Parts Questions & Experts Answers

Q: How to replace the inlet radiator hose (LA3, LY9) on 2004 Cadillac CTS?
A: The first step for Radiator inlet hose replacement (LA3, LY9) involves draining part of the cooling system fluid. Carry out the inlet hose removal task with hose clamp pliers (J38185) by extracting it first from the Radiator and next from the engine block. Lastly install the new Radiator inlet hose so that the top mark faces upward and use the hose clamp pliers (J38185) for mounting operations. The hose clamp pliers (J38185) should be used to install the hose onto the engine while the hose clamp pliers (J37097-A) should be used to complete the hose connection at the Radiator. Finally, fill the cooling system.

Related 2004 Cadillac CTS Parts

Alternate Year Models

2003 Cadillac CTS Radiator Hose 2005 Cadillac CTS Radiator Hose