How to replace the inlet radiator hose on a LY7 engine on 2008 Cadillac STS?

The replacement process for the Radiator inlet hose (LY7 - Gas, 6 CYL, 3.6L, SFI, V6, Alum) starts by draining coolant through cooling system draining and filling tool (GE 47716). Using hose clamp pliers (J 38185) users need to detension the clamp before extracting the inlet Radiator Hose from the Thermostat Housing and then the Radiator. The new inlet Radiator Hose installation requires lubrication of internal hose diameters with clean coolant after removing the hose from the vehicle. Apply your hose clamp pliers (J 38185) to connect the Radiator inlet hose with the hose clamp to the Radiator after sliding it into its desired position. The process should be repeated for the Radiator inlet hose attachment to the Thermostat Housing then sliding the clamp back into place. Terminating the process by using the cooling system draining and filling (GE 47716).

OEM 2008 Cadillac STS Radiator Hose

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9 Radiator Hoses found

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2008 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 2008 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2008 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 2008 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2008 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 2008 Cadillac STS Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS
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2008 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 2008 Cadillac STS Submodels:
- V | 8 Cyl 4.4 L GAS
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2008 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 2008 Cadillac STS Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS
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2008 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 2008 Cadillac STS Submodels:
- V | 8 Cyl 4.4 L GAS
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2008 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 2008 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2008 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 2008 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
View related parts
2008 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 2008 Cadillac STS Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS

2008 Cadillac STS Radiator Hose

With a comprehensive array of OEM 2008 Cadillac STS Radiator Hose, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2008 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.

2008 Cadillac STS Radiator Hose Parts Questions & Experts Answers

Q: How to replace the inlet radiator hose on a LY7 engine on 2008 Cadillac STS?
A: The replacement process for the Radiator inlet hose (LY7 - Gas, 6 CYL, 3.6L, SFI, V6, Alum) starts by draining coolant through cooling system draining and filling tool (GE 47716). Using hose clamp pliers (J 38185) users need to detension the clamp before extracting the inlet Radiator Hose from the Thermostat Housing and then the Radiator. The new inlet Radiator Hose installation requires lubrication of internal hose diameters with clean coolant after removing the hose from the vehicle. Apply your hose clamp pliers (J 38185) to connect the Radiator inlet hose with the hose clamp to the Radiator after sliding it into its desired position. The process should be repeated for the Radiator inlet hose attachment to the Thermostat Housing then sliding the clamp back into place. Terminating the process by using the cooling system draining and filling (GE 47716).