STC3166 | O-Ring 17x18.2mm - A/C Heater Pipes | Discovery 1, Range Rover Classic
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: STC3166 - O-Ring 17mm ID x 18.2mm OD - A/C Heater Pipes
STC3166 is an O-ring with a 17mm internal diameter and an 18.2mm outside diameter, specified for heater pipes on vehicles fitted with air conditioning. Fitted into the heater pipe joints, it seals the connection within the vehicle's air conditioning/heating plumbing to help prevent leaks at the pipe interfaces.
Compatibility
- Discovery 1 - From VIN MA081992
- Range Rover Classic (1992-1994) - From VIN JA610294
Frequently Asked Questions
STC3166 is an O-ring sized 17mm ID x 18.2mm OD used to seal heater pipe connections on vehicles equipped with air conditioning. It forms the sealing interface at the pipe joints within the vehicle's A/C and heater plumbing to help prevent fluid or refrigerant escape.
| Model | Variant |
|---|---|
| Land Rover Discovery 1 | From VIN MA081992 |
| Land Rover Range Rover Classic (1992-1994) | Ancillary components (with air conditioning) - From VIN JA610294 |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Inspect the O-ring whenever the heater or A/C pipe connections are disturbed or during A/C/heater system servicing; replace if it shows signs of hardening, cracking or leakage. Replacing the seal during repairs is standard practice to ensure a reliable, leak-free joint.
- C8 products are usually supplied by Britpart.
- L8 products are genuine Land Rover parts.
All products and accessories available on LRDirect.com come with a 2-year warranty.