FTC4978 | 5th Speed Gear - Layshaft, 37 Teeth - R380 | Defender, Discovery, Range Rover P38
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
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: FTC4978 - 5th Speed Gear - Layshaft, 37 Teeth - R380
FTC4978 is the 5th speed gear fitted to the layshaft of the R380 5-speed manual gearbox. It carries 37 teeth and, when selected, meshes with the corresponding mainshaft gear to provide the highest forward ratio for steady-speed driving. The gear must be hardened and accurately profiled to withstand contact stresses; worn or chipped teeth or incorrect fitment can cause gear noise, difficulty engaging 5th gear or accelerated wear of adjacent layshaft gears.
Use the compatibility data below to confirm fitment against your V.I.N.
Compatibility
- Defender (1987-2006) - From unit 416034J
- Discovery 1 (1989-1998) - From unit 416034J to WA799999
- Discovery 2 (1998-2004)
- Range Rover Classic (1992-1994) - From JA610294
- Range Rover P38 - From unit 0416034J
Frequently Asked Questions
The FTC4978 is the layshaft 5th gear for the R380 5-speed manual transmission; it has 37 teeth and meshes with the mainshaft to give the top forward ratio for steady-speed driving. It must be correctly hardened and profiled to resist contact stresses - worn or chipped teeth, or incorrect fitment, commonly cause noise, difficulty selecting 5th or accelerated wear of nearby layshaft gears.
| Model | Variant |
|---|---|
| Land Rover Defender (1987-2006) | Layshaft (5 Speed Manual Transmission, L315) |
| Land Rover Discovery 1 (1989-1998) | Layshaft (Manual Transmission) - From FA393361 to WA799999 (L318) |
| Land Rover Discovery 2 (1998-2004) | Layshaft (5 Speed Manual Transmission, L318) |
| Land Rover Range Rover Classic (1992-1994) | Layshaft (Manual Transmission) - From JA610294 |
| Land Rover Range Rover P38 | From unit 0416034J |
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 layshaft gears during gearbox servicing and replace FTC4978 if teeth are worn, chipped, or if 5th gear is noisy or difficult to engage; replacement must match the original tooth count and profile for correct operation.
- 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.