PartSmith Co. keeps the HPS Black Silicone Heater Hose Coolant Kit For 18-23 Subaru Crosstrek 2.0L/21-23 Crosstrek 2.5L in stock so your repair is not waiting on a supplier.

Hoses and fittings work under pressure and heat, where material choice decides service life. Route clear of heat sources and moving components.
Buyers comparing the hps black silicone heater hose coolant will find the specification detail on this page rather than in a catalog footnote.
The hps black silicone heater hose coolant listed here is checked against your vehicle before dispatch.
Every hps black silicone heater hose coolant order goes through the same fitment review.
Ordering the hps black silicone heater hose coolant takes a minute and the confirmation reaches you straight away.
Our team knows the hps black silicone heater hose coolant well, so ask if anything about the specification is unclear.
Stock of the hps black silicone heater hose coolant is live on this page rather than estimated.
Key details
- Engine: 2.0L
- Material: Silicone
- Finish: Black
- 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: Black
- 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-BLK, 72411FL000, 72421FL000, 72421FL020, 57-2146
When two options look similar, our parts team will tell you which one your vehicle actually takes.
Explore more: Hoses & Fittings · HPS Black Ancillary Hose Kit (Bypass Coolant Hose) For 01-05 Mazda Miata 1.8L Non Turbo (NB2) · HPS Red Silicone Radiator Hose Kit For 99-01 Jeep Cherokee 4.0L (XJ) Right Hand Drive · full catalog
Same business day dispatch applies to orders placed before early afternoon, and every parcel travels tracked.
Further reading from a neutral source: the NHTSA vehicle safety hub.
Buyer questions
How do I know this is the right part?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
How long does delivery take?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
What is the return policy?
A straightforward returns window applies from delivery. Keep the original packaging until you have test fitted the part and contact support for a fast exchange or refund.
How do you verify this part?
We verify diameter and reinforcement specification on every hose order.
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