- Home Page /
- Industrial Supplies /
- Hydraulics, Pneumatics & Plumbing /
- Seals & O-Rings /
- O-Rings /
- 342 Silicone O-Ring, 70A Durometer, Red, 3-5/...
0 ratings
Made of silicone for use with a variety of chemicals and fluids. Can be used across a wide temperature range from -65 degrees F (-54 degrees C) to 450 degrees F (232 degrees C). Round in cross-section to provide a seal between cylindrical overlapping surfaces. Durometer (hardness) of 70A for resistance to penetration. Meets standards defined by Aerospace Standard AS568A.
Item #:
19768608
342 Silicone O-Ring, 70A Durometer, Red, 3-5/8" ID, 4" OD, 3/16" Width (Pack of 5)
Item #:
19768608
BDT 3020
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 Thursday, August 13
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
Made of silicone for use with a variety of chemicals and fluids. Can be used across a wide temperature range from -65 degrees F (-54 degrees C) to 450 degrees F (232 degrees C). Round in cross-section to provide a seal between cylindrical overlapping surfaces. Durometer (hardness) of 70A for resistance to penetration. Meets standards defined by Aerospace Standard AS568A.
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 Durability
Made from 70A durometer silicone, these O-rings ensure excellent resistance to wear and tear, providing long-lasting performance for various applications including sealing and cushioning.
Versatile Size
With a size of 3-5/8" ID and 4" OD, these O-rings are versatile enough for use in numerous industries, from automotive to plumbing, meeting diverse sealing needs effectively.
Value Pack
This pack includes five O-rings, offering great value for money. Ideal for both professionals and DIY enthusiasts, it ensures you have enough quality seals on hand for any project.
Product Details
| Brand Name | Mr O-Ring |
| Manufacturer | Mr O-Ring |
| Unit Count | 5.0 Count |
| Part Number | AZ-S70342/5 |
| Model | 342 |
| Material Type | Silicone |
| Color | Red |
| Nominal Inside Diameter | 3.6 Inches (9.1 cm) |
| Item Diameter | 4.02 Inches (10.2 cm) |
| Nominal Outside Diameter | 4 Inches (10.2 cm) |
| Material | Silicone |
| Brand | Mr O-Ring |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
-
Plumbing Professionals
This O-ring is ideal for plumbers needing durable seals in pipes and fixtures for effective water management.
-
Automotive Technicians
Perfect for automotive applications requiring reliable sealing in various components, ensuring performance and efficiency.
-
DIY Enthusiasts
Great for home improvement projects where sealing is necessary, providing versatility and durability for various repairs.
-
High-Pressure Use
Not suitable for applications involving high pressures that exceed the O-ring’s capabilities, risking failure or leaks.
Product Description
342 Silicone O-Ring, 70A Durometer, Red, 3-5/8" ID, 4" OD, 3/16" Width (Pack of 5)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the key specifications of the 342 Silicone O-Ring?
Answer: The 342 Silicone O-Ring features a durometer rating of 70A, which indicates a medium level of hardness. It has an inner diameter (ID) of 3/58 inches and an outer diameter (OD) of 4 inches, with a width of 316 inches. These specifications make it ideal for various sealing applications, ensuring a snug fit and reliable performance. The silicone material is also resistant to extreme temperatures and chemicals, making it suitable for use in automotive, industrial, and food processing environments. -
Question:
What are the applications of the 342 Silicone O-Ring?
Answer: The 342 Silicone O-Ring is versatile and can be used in a variety of applications, including hydraulic systems, automotive engines, and home improvement projects. Its ability to withstand high temperatures and corrosive materials makes it perfect for sealing joints and preventing leaks in machinery and plumbing. Moreover, it's suitable for food-grade applications due to its non-toxic nature, making it ideal for use in food processing equipment. -
Question:
How does the durometer of the silicone O-Ring affect its performance?
Answer: The durometer rating of 70A for the silicone O-Ring signifies it has a balanced firmness, offering both flexibility and durability. This hardness allows the ring to maintain its shape under pressure while providing an effective seal against fluids and gases. A higher durometer may lead to reduced flexibility, making it less effective in certain applications where deformation is necessary to ensure a tight seal. -
Question:
Can the 342 Silicone O-Ring be used in extreme temperatures?
Answer: Yes, the 342 Silicone O-Ring is specifically designed to perform effectively in extreme temperature environments. Silicone rubber can typically withstand a temperature range from -60°F to 400°F (-51°C to 204°C). This makes it suitable for applications in automotive, aerospace, and chemical processing industries where temperature fluctuations are common. Its thermal stability ensures that it retains its sealing properties even in high-heat conditions. -
Question:
Is the 342 Silicone O-Ring resistant to chemicals?
Answer: Absolutely, the 342 Silicone O-Ring exhibits excellent resistance to many chemicals, including oils, solvents, and water. This resistance ensures that it can be effectively utilized in various industrial applications without degrading or losing its sealing capabilities. It’s particularly useful in chemical processing and manufacturing applications, where contact with harsh substances might otherwise compromise the integrity of standard rubber seals. -
Question:
What is the significance of O-Ring width for sealing applications?
Answer: The width of the O-Ring, which is 316 inches in this case, is crucial for achieving an effective seal. A properly sized width helps in distributing the sealing pressure evenly around the mating surfaces, enhancing the O-Ring’s ability to block fluid or gas leakage. It ensures a reliable performance in dynamic applications, where movement can affect the seal. Choosing the correct width according to application requirements is essential for optimal performance. -
Question:
How do I properly install a silicone O-Ring?
Answer: To install the silicone O-Ring correctly, first, ensure that the groove it fits into is clean and free of debris. Lubricate the O-Ring with a compatible lubricant to ease installation and reduce wear. Carefully stretch the ring over its designated area, ensuring that it sits evenly without twists or distortions. An accurate installation will enhance its sealing performance and longevity, making it crucial for effective operation in any application. -
Question:
Why choose silicone O-Rings over other materials?
Answer: Silicone O-Rings are favored for their outstanding elasticity, temperature resistance, and chemical compatibility. Unlike other materials, silicone does not degrade quickly under harsh conditions, making it a durable choice for critical applications. Additionally, its flexibility allows it to form a better seal, reducing the risk of leaks. These properties make silicone O-Rings ideal for a wide array of uses, from home appliances to industrial machinery. -
Question:
How do I know if I need a replacement for my O-Ring?
Answer: You should consider replacing your O-Ring if you notice any signs of wear, such as cracks, brittleness, or deformation. Additionally, if you experience leaks in the area the O-Ring seals, it’s a strong indicator of failure. Regular inspections can help identify issues before they cause larger problems in any system. Replacing a worn O-Ring ensures that your equipment functions optimally and maintains integrity. -
Question:
Where can I buy the 342 Silicone O-Ring, 70A Durometer, Red, 3-58 ID, 4 OD, 316 Width Pack of 5?
Answer: You can purchase the 342 Silicone O-Ring, 70A Durometer, Red, 3-58 ID, 4 OD, 316 Width Pack of 5 from Ubuy. They provide a convenient online platform where you can find not only this specific product but also a variety of similar sealing solutions. Ubuy is known for reliable service and provides easy access to a wide range of industrial supplies suitable for both personal and commercial needs.
Mr O-Ring O-Rings 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
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 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.
BDT 3020
Order now and get it around Thursday, August 13
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
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.