PartSmith Co. keeps the HPS Blue Silicone Radiator + Heater Hose Kit For 03 Subaru Impreza 2.5L Non Turbo in stock so your repair is not waiting on a supplier.

Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Use constant tension or lined clamps so the hose surface survives heat cycles.
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.
Every hps blue silicone radiator order goes through the same fitment review.
Ordering the hps blue silicone radiator takes a minute and the confirmation reaches you straight away.
The important numbers
- 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
Our team checks doubtful orders by hand, so share your vehicle details and we will verify this listing against manufacturer data.
Also worth a look: Hoses & Fittings · HPS Black 3-Ply Reinforced Silicone Breather Hose Kit For 95-98 Nissan Skyline GTR RB26DETT Twin Turbo (R33) · HPS Black Ancillary Hose Kit (Bypass Coolant Hose) For 01-05 Mazda Miata 1.8L Non Turbo (NB2) · full catalog
Dispatch is quick because the inventory is real, and you receive tracking the moment the label prints.
For neutral background on this kind of maintenance, see the NHTSA vehicle safety hub.
Common questions
Can you check fitment before I order?
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.
How long does delivery take?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
Can I return this part?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
What quality checks does this get?
We verify diameter and reinforcement specification on every hose order.
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