Buying the HPS Blue Silicone Radiator Hose Coolant Kit For 18-23 Subaru Crosstrek 2.0L/21-23 Crosstrek 2.5L should be simple, so here are the facts without the marketing noise.

Silicone tolerates far more heat than standard rubber and stays flexible for many years. Re check clamp torque after the first few heat cycles.
The hps blue silicone radiator hose coolant ships protected, because a damaged part helps nobody.
Drivers choose the hps blue silicone radiator hose coolant here for honest specification detail and quick dispatch.
Buyers comparing the hps blue silicone radiator hose coolant will find the specification detail on this page rather than in a catalog footnote.
Every hps blue silicone radiator hose coolant order goes through the same fitment review.
Ordering the hps blue silicone radiator hose coolant takes a minute and the confirmation reaches you straight away.
Our team knows the hps blue silicone radiator hose coolant well, so ask if anything about the specification is unclear.
Key details
- Engine: 2.0L
- Material: Silicone
- Finish: Blue
- Category: Hose Kits
- Price: $164.16 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
This HPS High Temp 3-ply Reinforced Silicone Radiator Coolant Hose Kit is designed to replace stock OEM rubber upper and lower radiator hoses which weaken and fail over time. With premium quality silicone and race inspired design, this coolant hose kit can withstand the harsh, high temperature and high pressure operating conditions under the hood through a wide range of driving conditions.
HPS silicone hose kits have all the correct bends and dimensions to perfectly fit as replacements for OEM rubber coolant hoses. Compared to the universal hoses from the local auto store, HPS silicone hose kits are much easier to work with. Maximum temperature rating: 350 degrees Fahrenheit. 100% stainless steel clamps are included for easy installation.
- Material: 3-Ply Reinforced Silicone
- Color: Blue
- Ideal replacement and durable upgrade for OEM rubber upper and lower radiator hoses which weaken and fail over time.
- Withstands harsh high temperature and high pressure operating conditions that range from daily driving to competition off-roading. Max. temperature rating: 350F (177C).
- Includes HPS 100% stainless steel industrial grade embossed hose clamps which will not cut through silicone hoses.
- Engineered to ensure long lasting quality over stock rubber hoses.
- Compatible with OEM part numbers 45161FL000, 45161FL040.
Application:
For 2018-2023 Subaru Crosstrek 2.0L
For 2021-2023 Subaru Crosstrek 2.5L
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
Hardware if Any is Shown in the Picture Above
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- 57-2101-BLUE, 45161FL000, 45161FL040, 57-2101
When two options look similar, our parts team will tell you which one your vehicle actually takes.
Keep shopping: Hoses & Fittings · HPS Blue Silicone Radiator Hose Kit For 99-01 Jeep Cherokee 4.0L (XJ) Right Hand Drive · HPS Black Silicone Radiator Hose Kit For 99-01 Jeep Cherokee 4.0L (XJ) Right Hand Drive · full catalog
Stock levels shown here are live, so what you order is what is on the shelf ready to travel.
When you want a second opinion that is not a parts store, read the NHTSA vehicle safety hub.
Before you order
How do I know this is the right part?
Trim level, engine option and drive type decide most fitment questions. Send those three details or the VIN and we will check them for you.
How long does delivery take?
Dispatch is normally the same or next business day, and heavy items travel on freight with a booked delivery window.
How do returns work here?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
What happens before my order ships?
We verify diameter and reinforcement specification on every hose order.
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