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FRC4329 - Gearbox Shim – LT77 – 1.57mm

- €8,50
€8,50
€8,50 - €8,50
€8,50
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Genuine Part
Genuine: Original manufacturer part. This product is the original part designed and produced by the vehicle manufacturer.
Gearbox Shim for the LT77 five-speed manual gearbox, 1.57 mm thick. It is fitted at the primary shaft bearing behind the gearbox front cover.

The shim sets the bearing preload and end-float on assembly; the thickness is selected to bring the shaft bearing within specification.
Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic up to 1994
Fitment Notes DEFENDER 1987-2006 — 1.57mm shim, LT77 5-speed gearbox, primary shaft bearing/front cover, to (V)LA939975
DISCOVERY 1 1989-1998 — Mainshaft shim, LT77 (4-cyl and V8)
RANGE ROVER CLASSIC 1986-1994 — Mainshaft shim, LT77
Alternative Codes
FRC4329

In stock 5 units
5 · Gouda 0 · Drachten
Express delivery available

When will my order arrive?
  • Order before 15:00 (Mon–Fri): same-day dispatch for in-stock items.
  • UPS Express (order before 14:00): dispatched today, delivered tomorrow where available.
  • Netherlands / Belgium / Germany: 2–4 working days.
  • Other EU countries + UK: 4–8 working days.
  • Outside EU/UK: delivery times vary — contact us for an estimate.

Items may ship from multiple warehouses at no extra cost.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What is the 1.57mm LT77 gearbox shim for?
The 1.57mm shim sets the primary shaft bearing preload and end-float in the LT77 five-speed manual gearbox. It fits behind the gearbox front cover at the primary shaft bearing. The thickness is selected during assembly to bring the shaft bearing within specification.
How do I know if I need the 1.57mm shim or a different thickness?
The 1.57mm shim is one of several thicknesses, and the correct one is chosen by measurement during the gearbox build, not by guesswork. You select the thickness that brings the primary shaft bearing end-float within the workshop manual specification for the LT77.
Which vehicles use the LT77 1.57mm primary shaft shim?
This LT77 shim fits the Defender, Discovery 1, and Range Rover Classic with the LT77 five-speed manual gearbox. On the Defender it applies up to VIN (V)LA939975. Use your VIN to confirm the gearbox variant before ordering, since shim selection is build-specific.