The HPS Black Silicone Radiator Hose Kit For 03-04 Ford Mustang SVT Cobra 4.6L V8 Supercharged is in stock at PartSmith Co. and ready for dispatch from our USA warehouse.

Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Measure inner diameter at the fitting rather than estimating by eye.
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Quick specs
- Engine: 4.6L V8
- Material: Silicone
- Finish: Black
- Category: Hose Kits
- Price: $364.49 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS black high temp 3-ply reinforced silicone Radiator hose kit (part number 57-1728-BLK) replaces 2003-2004 Ford Mustang SVT Cobra 4.6L V8 Supercharged stock OEM rubber radiator coolant hoses with premium grade high-heat resistance material which meets or exceeds OE specifications (Maximum temperature rating: 350F). Compared to the local auto parts store universal hoses, HPS silicone Radiator hose kit has all the correct bends and curves for a perfect fitment. HPS silicone coolant hose kit includes 100% stainless steel non-perforated embossed hose clamps for easy installation, which do not cut thru the silicone hoses.
HPS silicone hoses can prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber coolant hoses. Excellent for extreme ambient and radiant temperature conditions, HPS silicone hoses can withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during daily driving or racing competition. HPS silicone hose kit is backed by HPS Performance Products limited lifetime warranty.
- Made with correct bends and curves for perfect fitment. Vehicle Application: 2003-2004 Ford Mustang SVT Cobra 4.6L V8 Supercharged
- Prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber coolant Radiator hoses.
- Race proven design with long lasting quality and engineered for extremely high temperature service (Max. 350F) and prolonged exposure to under-hood and coolant heat.
- Includes 100% stainless steel industrial grade embossed hose clamps which would not cut through the silicone hoses.
- HPS silicone hose kit is backed by HPS Performance Products limited lifetime warranty.
Application:
For 2003-2004 Ford Mustang SVT Cobra 4.6L V8 Supercharged
Remark:
Installation: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.
Product Content:
- 1 x Radiator Hose Kit
Hardware if Any is Shown in the Picture Above
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- 57-1728-BLK, 57-1728, 571728BLK
Not sure it matches your vehicle? Send your VIN or your year, make and model and our fitment desk will confirm before you order.
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Common questions
How do I confirm this fits?
We verify every doubtful order by hand. Give us the year, make, model and engine option and we will confirm compatibility in one reply.
How long does delivery take?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
What is the return policy?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
Is this checked before shipping?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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