PartSmith Co. lists the HPS Blue Silicone Radiator + Heater Hose Kit For 03 Subaru Impreza 2.5L Non Turbo with real inventory, honest specs and fast USA dispatch.

Clamp choice matters: constant tension or lined clamps protect the hose surface over heat cycles. Re check clamp torque after the first few heat cycles.
Stock of the hps blue silicone radiator is live on this page rather than estimated.
Shops order the hps blue silicone radiator from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the hps blue silicone radiator against it.
The hps blue silicone radiator ships protected, because a damaged part helps nobody.
Drivers choose the hps blue silicone radiator here for honest specification detail and quick dispatch.
Buyers comparing the hps blue silicone radiator will find the specification detail on this page rather than in a catalog footnote.
The hps blue silicone radiator listed here is checked against your vehicle before dispatch.
What you are buying
- Engine: 2.5L
- Material: Silicone
- Finish: Blue
- Category: Hose Kits
- Price: $192.43 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS blue high temp 3-ply reinforced silicone radiator and heater hose kit (part number 57-1732-BLUE) replaces 2003 Subaru Impreza 2.5L Non Turbo Left Hand Drive stock OEM rubber upper and lower radiator hoses and heater 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 and heater 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 Subaru Impreza 2.5L Non Turbo Left Hand Drive
- Prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber coolant radiator heater 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 Subaru Impreza 2.5L Non Turbo
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 Set x Radiator Hose Kit & 1 Set Heater 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:
- 57-1732-BLUE, 57-1732, 571732BLUE
Ask before you order and the only surprise on installation day is how smoothly it goes.
Related parts: Hoses & Fittings · HPS Black Silicone Radiator Hose Kit For 99-01 Jeep Cherokee 4.0L (XJ) Right Hand Drive · HPS Red Silicone Heater Hose Kit For 06+ Lexus GS/IS/RC-Series 2.5L 3.5L V6 · full catalog
Orders are checked against your vehicle details before they are sealed, then dispatched quickly.
Further reading from a neutral source: the NHTSA vehicle safety hub.
Buyer questions
Is fitment guaranteed on this listing?
The application text on this page lists what the part serves. If your vehicle is not clearly covered, send the VIN and we will rule on it before you pay.
Do you ship the same day?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
How do returns work here?
Returns are handled in one reply for most cases. Keep your order confirmation, since it is the only proof of purchase we need.
What quality checks does this get?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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