The HPS Black Silicone Lower Radiator Hose Kit For Infiniti 11-13 M56/14-19 Q70 5.6L V8 arrives packed properly, checked against your vehicle and tracked from our door.

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.
Drivers choose the hps black silicone lower radiator hose here for honest specification detail and quick dispatch.
Buyers comparing the hps black silicone lower radiator hose will find the specification detail on this page rather than in a catalog footnote.
The hps black silicone lower radiator hose listed here is checked against your vehicle before dispatch.
Every hps black silicone lower radiator hose order goes through the same fitment review.
Ordering the hps black silicone lower radiator hose takes a minute and the confirmation reaches you straight away.
Our team knows the hps black silicone lower radiator hose well, so ask if anything about the specification is unclear.
Quick specs
- Engine: 5.6L V8
- Material: Silicone
- Finish: Black
- Position: Lower
- Category: Hose Kits
- Price: $124.40 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS black high temperature reinforced silicone hose replaces stock OEM rubber Lower Radiator Hose to prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber coolant hoses. The hose kit includes 100% stainless steel non-perforated embossed hose clamps for easy installation, which do not cut through the silicone hoses.
- Material: 3-Ply Reinforced Silicone
- Color: Black
- Ideal replacement or upgrade for OEM or aftermarket parts. 21503-1CA0A,21047-1CA0A
- The premium grade high-heat resistance 3-ply reinforced silicone hoses are made with correct bends and curves to ensure a perfect fitment.
- Prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber hose. Made with correct bends and curves for perfect fitment.
- Race proven design with long lasting quality and engineered for extremely high temperature service (Max. 350F) and prolonged exposure to under-hood and coolant heat.
- Includes 100% stainless steel industrial grade embossed hose clamps which would not cut through the silicone hose.
Application:
For 2011-2013 Infiniti M56 5.6L V8
For 2014-2019 Infiniti Q70 5.6L V8
Remark: 57-2063 replaces the lower radiator hoses
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:
- 57-2063-BLK, 572063BLK, 21503-1CA0A,21047-1CA0A
Not sure it matches your vehicle? Send your VIN or your year, make and model and our fitment desk will confirm before you order.
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Finished surfaces are wrapped and hardware is bagged, so the part arrives ready to install.
Independent information on this topic lives at the fuel economy maintenance guidance.
Quick answers
What do you need to verify fitment?
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.
What are the shipping times?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
Can I return this part?
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.
What quality checks does this get?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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