FRC9427 | Breather Tube - Gearbox Casing - LT77, ZF | Defender, Discovery, Range Rover
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: FRC9427 - Breather Tube - Gearbox Casing
FRC9427 is a breather tube fitted to the gearbox casing. It vents the transmission case to prevent pressure build-up in LT77 and ZF 4-speed gearboxes, helping to protect seals and reduce the risk of oil leaks.
Compatibility
- Defender (1987-2006)
- Discovery 1 (1989-1998) - From VIN FA393361 to WA799999
- Discovery 2 (1998-2004)
- Range Rover Classic (1986-1991) - To VIN HA610293
- Range Rover Classic (1992-1994) - From VIN JA610294
Frequently Asked Questions
FRC9427 provides a vent for the gearbox casing, allowing trapped air and pressure to escape from LT77 and ZF 4-speed transmission cases. By preventing pressure build-up it helps reduce stress on seals and the risk of oil leaks. Inspect the breather during transmission servicing for blockages or damage.
| Model | Variant |
|---|---|
| Land Rover Defender (1987-2006) | Governor & Extension Housing (Automatic Transmission) |
| Land Rover Defender (1987-2006) | Front Housing |
| Land Rover Range Rover Classic (1986-1991) - To VIN HA610293 | Gearcase (Manual Transmission) |
| Land Rover Range Rover Classic (1986-1991) - To VIN HA610293 | Governor & Extension Housing (Automatic Transmission) |
| Land Rover Range Rover Classic (1986-1991) - To VIN HA610293 | Oil Pump |
| Land Rover Range Rover Classic (1986-1991) - To VIN HA610293 | Front Housing |
| Land Rover Range Rover Classic (1992-1994) - From VIN JA610294 | Gearcase (Manual Transmission) |
| Land Rover Range Rover Classic (1992-1994) - From VIN JA610294 | Governor & Extension Housing (4 Speed, Automatic Transmission) |
| Land Rover Range Rover Classic (1992-1994) - From VIN JA610294 | Oil Pump |
| Land Rover Discovery 1 (1989-1998) - From VIN FA393361 to WA799999 | Gearcase (4 Cylinder, Manual Transmission) |
| Land Rover Discovery 1 (1989-1998) - From VIN FA393361 to WA799999 | Gearcase (5 Speed Manual Transmission, V8 Petrol) |
| Land Rover Discovery 1 (1989-1998) - From VIN FA393361 to WA799999 | Governor & Extension Housing (Automatic Transmission) |
| Land Rover Discovery 1 (1989-1998) - From VIN FA393361 to WA799999 | Front Housing |
| Land Rover Discovery 2 (1998-2004) | Governor & Extension Housing (Automatic Transmission) |
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 breather tube during routine transmission servicing and replace it if it is cracked, split, blocked or showing signs of deterioration. If unsure, consult a workshop or the vehicle's service manual for guidance.
- 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.