O-Ring Kit Manufacturer,Supplier and Exporter in India
Product Code : EL-MWLE-13074
Jlab Export is a leading O-Ring Kit Manufacturer,and suppliers in India
Leaking joints on air conditioning lines, hydraulic fittings and pneumatic tools are often cured by fitting a new O-ring of the right size. This kit holds 443 rings in a blow-moulded storage case. Each size sits in its own sunken cavity, so the correct ring is quick to find and the rest stay sorted.
Specifications
| Pieces | 443 O-rings |
| Case | Blow-moulded storage case |
| Layout | Sunken cavities sorted by ring size |
| Minimum order quantity | 10 units |
| Dispatch time | Usually 4–6 working days |
| Manufacturer | JLab (Jain Laboratory Instruments Pvt Ltd), Ambala, India |
Car AC Joint Repair Practicals
Students work on the Advanced Automotive Air Conditioning (Demonstration Unit). With the system emptied, they open a line joint and lift out the old O-ring without scratching the groove. They size the replacement with a Digital Caliper, measuring the inside diameter and the cross-section.
The new ring is wetted with PAG Oil to match the compressor oil of the car system, and the joint is tightened. After evacuation and recharge, students spray Bubble Solution For Leak Detection over the joint and watch for bubbles.
Frequently Asked Questions
How do I find the right O-ring size?
Measure the inside diameter and the cross-section of the old ring, or of the groove it sits in, with a caliper. Pick the ring that matches both, because a ring that is only close will either pinch or leak.
Should O-rings be lubricated before fitting?
Yes. A light coat of oil helps the ring slide into place without twisting or cutting. On car air conditioning joints, use the refrigerant oil the system runs on, not grease or engine oil.
Can an old O-ring be refitted?
It is better not to. A used ring has taken the shape of its groove and may be hard or nicked, so it seldom seals again. Fit a new ring whenever a joint is opened.
Are all O-rings suitable for refrigerant lines?
No. The ring material has to suit the fluid and the oil it meets. Car joints built for R-134a usually take HNBR rings, so check the material before using a general ring on a refrigerant line.
Other AC Service Spares and Tools
- Manifold Replacement Parts Kit (spares for manifold gauge sets)
- Access Valve (with core and cap)
- Inspection Mirror (for checking hidden joints)
For a quote, use Add To Cart or send us a message through the contact page.
Last updated: 5 November 2026
