How to replace the inlet radiator hose on 2003 Buick Regal?

The radiator inlet hose replacement starts by draining part of the cooling system fluid while removing the left diagonal brace. The hose clamp pliers (J 38185) will help move the hose clamp position at the radiator before separating the radiator inlet hose from the radiator. The hose clamp pliers (J 38185) must be used to remove the clamp from the Thermostat Housing before unscrewing the radiator inlet hose from that housing. Remove the radiator inlet hose. Start by setting the new radiator inlet hose exactly in position according to its marks before attaching it to the Thermostat Housing. The hose clamp pliers (J 38185) must be used to reposition the clamp at the Thermostat Housing before connecting the radiator inlet hose to the radiator. Reposition and install the hose clamp at the radiator using the hose clamp pliers (J 38185) before you reinstall the left diagonal brace and conduct cooling system filling.

OEM 2003 Buick Regal Radiator Hose

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2 Radiator Hoses found

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2003 Buick Regal Lower Hose
Part Number: 10423132
$16.07 MSRP: $22.03
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Product Specifications
- Other Name: Hose, Radiator Outlet (Lower); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Lower
- Replaces: 10402000
- Item Weight: 1.10 Pounds
- Item Dimensions: 14.6 x 4.4 x 2.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10423132
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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2003 Buick Regal Upper Hose
Part Number: 10421339
Product Specifications
- Other Name: Hose, Radiator Inlet (Upper); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Upper
- Replaces: 10233201, 10401999
- Item Weight: 1.30 Pounds
- Item Dimensions: 5.7 x 5.2 x 17.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10421339
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Regal Submodels:
- 25th Anniversary Edition, Custom, GS, GSE, LS, LSE | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS

2003 Buick Regal Radiator Hose

With a comprehensive array of OEM 2003 Buick Regal Radiator Hose, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 Buick Regal 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.

2003 Buick Regal Radiator Hose Parts Questions & Experts Answers

Q: How to replace the inlet radiator hose on 2003 Buick Regal?
A: The radiator inlet hose replacement starts by draining part of the cooling system fluid while removing the left diagonal brace. The hose clamp pliers (J 38185) will help move the hose clamp position at the radiator before separating the radiator inlet hose from the radiator. The hose clamp pliers (J 38185) must be used to remove the clamp from the Thermostat Housing before unscrewing the radiator inlet hose from that housing. Remove the radiator inlet hose. Start by setting the new radiator inlet hose exactly in position according to its marks before attaching it to the Thermostat Housing. The hose clamp pliers (J 38185) must be used to reposition the clamp at the Thermostat Housing before connecting the radiator inlet hose to the radiator. Reposition and install the hose clamp at the radiator using the hose clamp pliers (J 38185) before you reinstall the left diagonal brace and conduct cooling system filling.