FTC5100 | Synchroniser Assy 1st/2nd - R380 | Defender, Discovery, 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
Land Rover Part Number: FTC5100 - Synchroniser Assembly 1st and 2nd - R380
FTC5100 is a synchroniser assembly for first and second gears used on the R380 five-speed manual gearbox. Fitted to the mainshaft, this synchroniser matches rotational speeds of the first and second gear sets and works with the selector sleeve to align gear speeds during engagement, reducing gear clash and permitting positive selection under load and at low speeds. It interfaces directly with the mainshaft gear cluster to provide repeatable first-to-second changes; replacement is relevant where there is difficulty selecting first or second gear, grinding on engagement or excessive selector play. Confirm the gearbox type and mainshaft variant before ordering to ensure correct fitment.
Use the compatibility data below to confirm fitment against your V.I.N.
Compatibility
- Defender (1987-2006) - L315
- Discovery 1 (1989-1998) - L318 - From VIN FA393361 to WA799999
- Discovery 2 (1998-2004) - L318
- Range Rover Classic (1992-1994) - From VIN JA610294
Frequently Asked Questions
The FTC5100 synchroniser assembly allows the R380 gearbox to match speeds between the mainshaft first and second gears so they can engage smoothly. It works with the selector sleeve to prevent gear clash and enable reliable selection at low speeds or under load. Common symptoms of a worn synchroniser include difficulty selecting 1st or 2nd gear, grinding on engagement and excessive selector play; inspect related selector and mainshaft components and confirm the gearbox/mainshaft variant before ordering a replacement.
| Model | Variant |
|---|---|
| Land Rover Defender (1987-2006) | Mainshaft Gears 1st/2nd (L315, 5-speed manual transmission) |
| Land Rover Discovery 1 (1989-1998) | Mainshaft Gears 1st/2nd (L318) - From VIN FA393361 to WA799999 |
| Land Rover Discovery 2 (1998-2004) | Mainshaft Gears 1st/2nd (L318, 5-speed manual transmission) |
| Land Rover Range Rover Classic (1992-1994) | Mainshaft Gears 1st/2nd - 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 synchroniser when there are symptoms such as difficulty selecting 1st or 2nd gear, grinding during engagement, or excessive mainshaft selector play. It is also standard practice to renew the synchroniser during a gearbox overhaul or when replacing related mainshaft or selector components; always confirm the correct gearbox and mainshaft variant before fitting.
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