FRC9940 | Shim 3.50mm - Transfer Box Mainshaft | Defender, Discovery 1, Discovery 2
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: FRC9940 - Shim 3.50mm - Transfer Box Mainshaft
FRC9940 is a 3.50mm shim for the LT230 transfer box mainshaft gear. Fitted to the LT230 transfer box mainshaft, this shim is used to set the correct clearance/endplay between the mainshaft and gear to ensure proper gear mesh and to help prevent noise or premature wear. It is typically installed or checked during transfer box rebuilds or when diagnosing mainshaft or gear engagement issues.
Compatibility
- Defender (1987-2006)
- Discovery 1 (1989-1998) - From VIN FA393361 to WA799999
- Discovery 2 (1998-2004)
Frequently Asked Questions
FRC9940 is a 3.50mm setting shim for the LT230 transfer box mainshaft gear used to precisely set the endplay and gear mesh. The shim is installed on the mainshaft during assembly or repair to achieve the correct clearance between the mainshaft and the gear, helping to reduce noise and ensure even wear. It should be used when rebuilding or servicing the transfer box where gear alignment and endplay are adjusted.
| Model | Variant |
|---|---|
| Land Rover Defender (1987-2006) | Mainshaft Gear (L315) |
| Land Rover Discovery 1 (1989-1998) | Mainshaft Gear (From VIN FA393361 to WA799999, Classic L318) |
| Land Rover Discovery 2 (1998-2004) | Mainshaft Gear (Classic L318) |
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 shim during any transfer box service or rebuild; replace it if it shows signs of distortion, wear or damage that could affect gear clearance. When adjusting mainshaft endplay or replacing bearings/gears, fit a new or correctly sized shim as required to achieve specified clearances.
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