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STC1889 - Mainshaft – LT77 Suffix H Transmission or Gearbox Part Land Rover Range Rover Defender, Discovery, Range Rover

STC1889 - Mainshaft – LT77 Suffix H

- €270,00
€270,00
€270,00 - €270,00
€270,00
Aftermarket Part
Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.
Mainshaft for the LT77 five-speed manual gearbox, Suffix H specification.

The mainshaft is the gearbox output shaft. It carries the synchroniser hubs and the driven gears for the forward ratios, running concentric with the input shaft at its spigot bearing and transmitting drive rearward to the transfer box. The Suffix H designation identifies the later internal specification of the LT77 unit.
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 — LT77 Suffix H 5 speed manual gearbox
DISCOVERY 1 1989-1998 — LT77 Suffix H manual gearbox (from LA081991); 4 cylinder and V8 petrol variants
RANGE ROVER CLASSIC 1992-1994 — From VIN JA610294, LT77 manual transmission
Alternative Codes
STC1889FTC1282

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 does the LT77 mainshaft do?
The LT77 mainshaft is the output shaft of the LT77 five-speed manual gearbox. It carries the synchroniser hubs and the driven gears for the forward ratios, runs concentric with the input shaft at its spigot bearing, and transmits drive rearward to the transfer box. This is the later Suffix H specification.
Which Land Rovers use the LT77 Suffix H mainshaft?
The LT77 Suffix H mainshaft fits the Defender (1987-2006), Discovery 1 and Range Rover Classic running the LT77 five-speed manual gearbox in Suffix H specification. It's also referenced as FTC1282. The Suffix H designation identifies the later internal build of the LT77, so confirm your box's suffix before ordering.
What are the signs a gearbox mainshaft needs replacing?
A gearbox mainshaft typically needs replacing when its gear teeth or synchro hub splines are chipped, worn or damaged, often after a bearing failure contaminates the gearbox. Symptoms usually include whine on certain gears, difficulty selecting a ratio or jumping out of gear under load.