How to replace the inlet radiator hose (LY7) with SFI VIN 7 on 2009 Cadillac STS?

The first thing to do when replacing the Radiator inlet hose (LY7) on a vehicle with sfi vin 7 is to drain the coolant with the correct technique. With the help of hose clamp pliers (J 38185), ease off the clamp and carefully take the Radiator inlet hose off the Thermostat Housing, and then release it from the Radiator as well. As soon as the old hose is out, attach the new inlet Radiator hose to the car, then apply some clean coolant to the inside of both hoses beforehand. Follow the same steps above and utilize the hose clamp pliers (J 38185) to let the hose clamp loose and link the hose to the Radiator, sliding the clamp back to where it belonged. Apply these steps again to the hose that goes to the Thermostat Housing, making certain the clamp is snapped back into place. Then, the cooling system must be filled up, using the method given in the steps.

OEM 2009 Cadillac STS Radiator Hose

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9 Radiator Hoses found

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2009 Cadillac STS Upper Hose
Part Number: 25800333
$73.70 MSRP: $109.67
You Save: $35.97 (33%)
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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: 0.30 Pounds
- Item Dimensions: 14.6 x 6.8 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25800333
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2009 Cadillac STS Lower Hose
Part Number: 25800334
$72.55 MSRP: $119.41
You Save: $46.86 (40%)
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Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Replaces: 19130218
- Item Weight: 0.30 Pounds
- Item Dimensions: 24.0 x 6.5 x 4.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25800334
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2009 Cadillac STS Lower Hose
Part Number: 89023433
Product Specifications
- Other Name: Hose Assembly, Radiator Outlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Outlet (Lower)
- Item Weight: 2.60 Pounds
- Item Dimensions: 26.8 x 22.2 x 10.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89023433
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS
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2009 Cadillac STS Upper Hose
Part Number: 89025030
Product Specifications
- Other Name: Hose, Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
- Position: Upper
- Item Weight: 1.60 Pounds
- Item Dimensions: 14.7 x 10.9 x 6.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89025030
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Cadillac STS Submodels:
- V | 8 Cyl 4.4 L GAS
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2009 Cadillac STS Upper Hose
Part Number: 89023434
Product Specifications
- Other Name: Hose, Radiator Inlet; Multi Purpose Hose; Radiator Hose; Cooling Hose; Hose, Radiator Inlet (Upper)
- Position: Upper
- Replaces: 25974695
- Item Weight: 1.30 Pounds
- Item Dimensions: 14.4 x 10.8 x 7.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89023434
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS
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2009 Cadillac STS Lower Hose
Part Number: 89025029
Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Item Weight: 2.20 Pounds
- Item Dimensions: 15.2 x 10.4 x 6.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89025029
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Cadillac STS Submodels:
- V | 8 Cyl 4.4 L GAS
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2009 Cadillac STS Outlet Pipe, Lower
Part Number: 12612858
Product Specifications
- Other Name: Pipe, Radiator Outlet (Lower); Radiator Hose
- Position: Lower
- Item Weight: 2.30 Pounds
- Item Dimensions: 28.0 x 13.2 x 9.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12612858
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2009 Cadillac STS 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
- Item Weight: 1.20 Pounds
- Item Dimensions: 13.2 x 5.8 x 4.1 inches
- Condition: New
- SKU: 25800335
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
View related parts
2009 Cadillac STS Upper Hose
Part Number: 25974696
Product Specifications
- Other Name: Hose, Radiator Inlet (Upper); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Upper
- Replaces: 88957426, 89023438
- Item Weight: 1.00 Pounds
- Item Dimensions: 14.6 x 5.8 x 4.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25974696
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS

2009 Cadillac STS Radiator Hose

With a comprehensive array of OEM 2009 Cadillac STS Radiator Hose, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2009 Cadillac STS 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.

2009 Cadillac STS Parts Questions & Experts Answers

Q: How to replace the inlet radiator hose (LY7) with SFI VIN 7 on 2009 Cadillac STS?
A: The first thing to do when replacing the Radiator inlet hose (LY7) on a vehicle with sfi vin 7 is to drain the coolant with the correct technique. With the help of hose clamp pliers (J 38185), ease off the clamp and carefully take the Radiator inlet hose off the Thermostat Housing, and then release it from the Radiator as well. As soon as the old hose is out, attach the new inlet Radiator hose to the car, then apply some clean coolant to the inside of both hoses beforehand. Follow the same steps above and utilize the hose clamp pliers (J 38185) to let the hose clamp loose and link the hose to the Radiator, sliding the clamp back to where it belonged. Apply these steps again to the hose that goes to the Thermostat Housing, making certain the clamp is snapped back into place. Then, the cooling system must be filled up, using the method given in the steps.

Related 2009 Cadillac STS Parts

Alternate Year Models

2008 Cadillac STS Radiator Hose 2010 Cadillac STS Radiator Hose