This is the HPS Red Silicone Heater Hose Coolant Kit For 18-23 Subaru Crosstrek 2.0L/21-23 Crosstrek 2.5L, stocked in our warehouse and backed by a free fitment check.

Clamp choice matters: constant tension or lined clamps protect the hose surface over heat cycles. Measure inner diameter at the fitting rather than estimating by eye.
Buyers comparing the hps red silicone heater hose coolant will find the specification detail on this page rather than in a catalog footnote.
The hps red silicone heater hose coolant listed here is checked against your vehicle before dispatch.
Every hps red silicone heater hose coolant order goes through the same fitment review.
Ordering the hps red silicone heater hose coolant takes a minute and the confirmation reaches you straight away.
Our team knows the hps red silicone heater hose coolant well, so ask if anything about the specification is unclear.
Stock of the hps red silicone heater hose coolant is live on this page rather than estimated.
The important numbers
- Engine: 2.0L
- Material: Silicone
- Finish: Red
- 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 Heater Coolant Hose Kit is designed to replace stock OEM rubber heater 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: Red
- Ideal replacement and durable upgrade for OEM rubber heater 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 72411FL000, 72421FL000, 72421FL020.
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 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:
- 57-2146-RED, 72411FL000, 72421FL000, 72421FL020, 57-2146
If the application text leaves any doubt, message us with the VIN and we will rule on fitment before the box is sealed.
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Orders placed before early afternoon usually leave our USA warehouse the same business day, with tracking emailed at label creation.
Further reading from a neutral source: the NHTSA vehicle safety hub.
Questions we get about this part
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 quickly can I get this?
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?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
How do you protect it in transit?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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