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FRC7491 - Layshaft Gear Transmission or Drivetrain Part Land Rover Range Rover Defender, Discovery, Range Rover

FRC7491 - Layshaft Gear – LT77 – V8

- €173,00
€173,00
€173,00 - €173,00
€173,00
OEM Part
OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.
Layshaft Gear for the LT77 five-speed manual gearbox, V8 petrol applications.

The layshaft (countershaft) carries the cluster of constant-mesh gears that run beneath the mainshaft. It takes drive from the input shaft and transmits it through the constant-mesh pairs to the mainshaft gears, where the selected ratio is engaged. Correct meshing and end-float of this gear are essential to quiet running and accurate gear selection.
Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic up to 1994
Fitment Notes DEFENDER 90/110 — LT77 gearbox, V8 petrol
DISCOVERY 1 — LT77 gearbox, V8 petrol
RANGE ROVER CLASSIC — LT77 gearbox, V8 petrol
Alternative Codes
FRC7491FRC6634RTC3087

In stock 1 unit
1 · 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 Layshaft Gear and what does it do?
The Layshaft Gear (countershaft) carries the cluster of constant-mesh gears beneath the mainshaft in the LT77 five-speed manual gearbox. It takes drive from the input shaft and transmits it through the constant-mesh pairs to the mainshaft gears, where the selected ratio is engaged.
Which vehicles does this LT77 layshaft gear fit?
This fits the LT77 five-speed manual gearbox behind the V8 petrol engine on the Land Rover Defender 90/110, Discovery 1 and Range Rover Classic. It's the V8 LT77 layshaft, so confirm your gearbox and engine before ordering.
What are the alternative part numbers for this layshaft gear?
This layshaft gear cross-references to FRC6634 and RTC3087. If you've found the part under either code, they refer to the same LT77 V8 layshaft gear. Match against your existing gear to confirm the correct unit.
What are the signs this layshaft gear needs replacing?
A worn LT77 layshaft gear typically shows as gear noise, pitted or chipped teeth, or difficulty holding a gear. Correct meshing and endfloat are essential to quiet running. If the teeth are damaged or the gearbox is noisy on inspection, the layshaft gear is renewed during a rebuild.