This is the HPS Blue 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. Re check clamp torque after the first few heat cycles.
Buyers comparing the hps blue silicone heater hose coolant will find the specification detail on this page rather than in a catalog footnote.
The hps blue silicone heater hose coolant listed here is checked against your vehicle before dispatch.
Every hps blue silicone heater hose coolant order goes through the same fitment review.
Ordering the hps blue silicone heater hose coolant takes a minute and the confirmation reaches you straight away.
Our team knows the hps blue silicone heater hose coolant well, so ask if anything about the specification is unclear.
Stock of the hps blue silicone heater hose coolant is live on this page rather than estimated.
The important numbers
- 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 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: Blue
- 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-BLUE, 72411FL000, 72421FL000, 72421FL020, 57-2146
Our fitment desk exists precisely for the listings where the specification is easy to misread.
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Same business day dispatch applies to orders placed before early afternoon, and every parcel travels tracked.
For neutral background on this kind of maintenance, see the NHTSA vehicle safety hub.
Frequently asked questions
Will this part fit my vehicle?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
What are the shipping times?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
Is there a warranty on this?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
Is the part inspected before dispatch?
We verify diameter and reinforcement specification on every hose order.
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