Order the HPS Black 3-Ply Silicone Radiator Hose Kit For 16+ Lexus GS350 RC350 RC300 3.5L V6 from a parts team that verifies fitment before anything leaves the building.
Clamp choice matters: constant tension or lined clamps protect the hose surface over heat cycles. Replace both the upper and lower runs while the system is open.
Buyers comparing the hps black 3-ply silicone radiator hose kit will find the specification detail on this page rather than in a catalog footnote.
The hps black 3-ply silicone radiator hose kit listed here is checked against your vehicle before dispatch.
Every hps black 3-ply silicone radiator hose kit order goes through the same fitment review.
Ordering the hps black 3-ply silicone radiator hose kit takes a minute and the confirmation reaches you straight away.
Our team knows the hps black 3-ply silicone radiator hose kit well, so ask if anything about the specification is unclear.
Stock of the hps black 3-ply silicone radiator hose kit is live on this page rather than estimated.
Shops order the hps black 3-ply silicone radiator hose kit from us in volume because the data on the page is accurate.
Specifications
- Engine: 3.5L V6
- Reinforcement: 3 ply
- Material: Silicone
- Finish: Black
- Category: Hose Kits
- Price: $173.14 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS Performance High Temperature 3-ply Reinforced Silicone Radiator Hose Kit Black is designed to replace stock OEM rubber lower and upper radiator coolant hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS silicon radiator hose kit can withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during competition or daily driving.
HPS silicone radiator hose kit has all the correct bends and curves for a perfect fit replacement for your OEM rubber coolant hoses, compare to the universal hoses you can get from the local auto store, HPS hose kit is much easier to work with. Max Temperature Rating: 350 deg. F (177 deg. C). 100% Stainless Steel Clamps are included for easy installation.
- Material: 3-Ply Reinforced Silicone
- Color: Black
- Replace stock OEM rubber Radiator Hoses which can eventually weaken over time, leading to premature failure
- Withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during competition or daily driving. Max Temperature Rating: 350 deg. F (177 deg. C)
- Ideal replacement or performance upgrade for the OEM rubber hoses. Race proven design ensure the long lasting quality over the stock rubber hoses
- Includes HPS 100 percent stainless steel industrial grade embossed hose clamps which will not cut through the hoses.
Application:
For 2016-2020 Lexus GS350 3.5L V6
For 2018-2022 Lexus RC350 3.5L V6
For 2018-2022 Lexus RC300 AWD 3.5L V6
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
Product come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- 57-1842-BLK, 571842BLK, 16571-31380,16566-31030,16573-31060,16572-31450
Fitment questions get answered by people who work with these parts daily, usually the same business day.
Explore more: Hoses & Fittings · HPS Red Silicone Radiator Hose Kit For 99-01 Jeep Cherokee 4.0L (XJ) Right Hand Drive · HPS Blue Silicone Radiator Hose Kit For 99-01 Jeep Cherokee 4.0L (XJ) Right Hand Drive · full catalog
Heavy items are double boxed or palletized, because transit damage helps nobody.
If you want independent guidance before ordering, the Car Care Council maintenance tips is a useful reference.
Before you order
Can you check fitment before I order?
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.
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.
How do you protect it in transit?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M22 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_84a0bab4-582d-4dc1-a176-6237879f811f-300x300.jpg)
![HPS NPT Allen Plug Fitting [1/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_11e3bb56-b4df-4954-84cd-0d354b2dd8ff-300x300.jpg)
Reviews
There are no reviews yet.