TKC1235L | Gearbox to centre plate gasket - LT77 | Defender, Discovery 1
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: TKC1235L - Gearbox to centre plate gasket - LT77
TKC1235L is a gearbox to centre plate gasket for the LT77 manual transmission. Fitted between the gearbox extension case and the centre plate (bell housing), this gasket provides the oil seal to prevent gearbox oil loss. Correct installation requires clean mating faces and an undamaged gasket to ensure a reliable seal and to avoid oil contamination or leakage.
Compatibility
- Defender (1987-2006) - Gearcase (5-speed manual transmission)
- Discovery 1 (1989-1998) - Gearcase (4-cylinder, manual transmission) - From VIN FA393361 to WA799999
- Range Rover Classic (1992-1994) - Gearcase (manual transmission) - From VIN JA610294
Frequently Asked Questions
TKC1235L is a replacement gasket that seals the joint between the LT77 gearbox extension case and the centre plate (bell housing). A failed or damaged gasket commonly leads to oil leaks; replacing the gasket and ensuring clean, flat mating surfaces restores the oil-tight seal.
| Model | Variant |
|---|---|
| Land Rover Defender (1987 - 2006) | Gearcase (5 Speed Manual Transmission) |
| Land Rover Discovery 1 (1989 - 1998) | Gearcase (4-cylinder, Manual Transmission) - From VIN FA393361 to WA799999 |
| Land Rover Range Rover Classic (1992 - 1994) | Gearcase (Manual Transmission) - 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.
Replace the gasket whenever the LT77 gearbox is separated at the extension case/centre plate joint or if there are signs of oil leakage; inspect the gasket at gearbox service intervals and during any gearbox work.
- 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.