The HPS Red Silicone Radiator + Heater Hose Kit For 03 Subaru Impreza 2.5L Non Turbo sits in the Hoses & Fittings department here, stocked and fitment checked.

Reinforcement ply count determines burst strength, which matters most on boosted applications. Replace both the upper and lower runs while the system is open.
The hps red silicone radiator ships protected, because a damaged part helps nobody.
Drivers choose the hps red silicone radiator here for honest specification detail and quick dispatch.
Buyers comparing the hps red silicone radiator will find the specification detail on this page rather than in a catalog footnote.
The hps red silicone radiator listed here is checked against your vehicle before dispatch.
Every hps red silicone radiator order goes through the same fitment review.
Ordering the hps red silicone radiator takes a minute and the confirmation reaches you straight away.
Our team knows the hps red silicone radiator well, so ask if anything about the specification is unclear.
Part details
- Engine: 2.5L
- Material: Silicone
- Finish: Red
- Category: Hose Kits
- Price: $192.43 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS red high temp 3-ply reinforced silicone radiator and heater hose kit (part number 57-1732-RED) 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-RED, 57-1732, 571732RED
When two options look similar, our parts team will tell you which one your vehicle actually takes.
Customers also open: 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.
Independent information on this topic lives at the fuel economy maintenance guidance.
Quick answers
Can you check fitment before I order?
Send your VIN or your year, make and model and our fitment desk confirms the part against manufacturer data before it ships. The check is free and usually answered the same business day.
How fast does this ship?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
What is the return policy?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
What happens before my order ships?
We verify diameter and reinforcement specification on every hose order.

![HPS Push-on Hose End to AN Female Fitting [120 Degree] [-12] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/150-120_1_635e984b-3fc3-4cc7-aaac-b24669ef133f-300x300.jpg)
![HPS Push-on Hose End to AN Female Fitting [120 Degree] [-8] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/150-120_1_b7ae2165-4f89-472c-a9fc-72ba3e09b875-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M20 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_9ea8f01c-f6ee-43ae-9912-654e10e73c03-300x300.jpg)
Reviews
There are no reviews yet.