- Home Page /
- Automotive /
- Automotive Replacement Parts /
- Belts, Hoses & Pulleys /
- Hoses /
- Radiator /
- FlexFab - 3/8" ID x 50 ft 5521 Green Premium ...
0 ratings
Item #:
182001785
FlexFab - 3/8" ID x 50 ft 5521 Green Premium Silicone Heater Hose 10mm J20R3 Class A 350F Radiator Coolant P/N 5521-038
Item #:
182001785
NAD 5427
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Monday, September 21
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Ideal for extreme temperature and various pressure ranges where high-performance levels are required.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Temperature Resistance
Constructed to withstand temperatures up to 350°F, ensuring reliable performance in demanding applications and protecting against overheating in your vehicle's cooling system.
Durable Silicone Material
Made from premium silicone, this hose offers superior flexibility and resilience against wear and tear, providing long-lasting service life compared to traditional rubber hoses.
Versatile Compatibility
Designed to meet J20R3 Class A standards, making it suitable for various applications including radiator coolant systems, ensuring broad compatibility for automotive and industrial uses.
Product Details
| Item Dimensions L x W | 600"L x 0.77"W (1524 cm) |
| Item Weight | 9.4 pounds (4.26 kg) |
| Nominal Wall Thickness | 1.3 month |
| Material Type | Nylon, Silicone |
| Color | Green |
| Maximum Pressure | 125 psi |
| Brand Name | hpcouplers |
| UPC | 700811478714 |
| Manufacturer | FlexFab |
| Unit Count | 1 Count |
| Brand | hpcouplers |
| Material | Nylon, Silicone |
| Product Dimensions (L x W x H) | 600"L x 0.77"W (1524 cm) |
Who Should Buy?
-
Car Enthusiasts
Ideal for DIY car modifications or repairs requiring high-temperature coolant transfer, offering durability and flexibility.
-
Professional Mechanics
Suitable for applications needing reliable performance with radiator coolant or heater systems in a professional environment.
-
Heavy-Duty Equipment
Recommended for industrial machinery requiring robust hoses that withstand high temperatures and flex with movement.
-
Low-Temperature Use
Not suitable for applications that operate under low-temperature environments where standard rubber hoses may suffice.
Product Description
FlexFab - 3/8" ID x 50 ft 5521 Green Premium Silicone Heater Hose 10mm J20R3 Class A 350F Radiator Coolant P/N 5521-038
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the maximum temperature this hose can handle?
Answer: The hose can handle temperatures up to +350°F (+177°C). -
Question:
What is the construction material of the hose?
Answer: The hose is made of silicone with nylon fiber reinforcement. -
Question:
What are the compatible applications for this hose?
Answer: It is ideal for scenarios involving extreme temperatures, coolant additives, and various pressure ranges.
hpcouplers Radiator Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
NAD 5427
Order now and get it around Monday, September 21
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Brand new silicone hose cut from a reel.
- 1-ply nylon fiber reinforcement for enhanced durability.
- Meets SAE J20 R3 and TMC RP303B standards.
- Temperature range: -65°F to +350°F.
- Outstanding resistance to chemicals and coolant additives.
- Burst pressure of 475psi, ensuring reliability under extreme conditions.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.