FRC4810 - Gearbox Plug Sealing Washer

- €2,10

€2,10

€2,10 - €2,10

€2,10

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Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.

Gearbox Plug Sealing Washer for LT76 and LT77 manual gearbox drain, level, and inspection plugs.

This sealing washer fits beneath the thread of gearbox plugs to prevent oil seepage past the seat. On LT77 gearboxes it also seals the extension case plug and oil pump fitting positions, and the V8 gearcase plug points. It should be renewed each time the associated plug is removed to maintain an oil-tight seal.

Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic up to 1994
Land Rover Series 1
Land Rover Series 2 and 3

Fitment Notes SERIES I/II/IIA/III — LT76 gearbox plug joint washer
DEFENDER 1983-2006 — LT77 manual gearbox extension case & oil pump sealing washer (to suffix F / from suffix G), V8 gearcase. Also serviced as part of a gasket kit
DISCOVERY 1 1989-1998 — manual gearbox extension case sealing washer, 4 Cyl & V8 petrol
RANGE ROVER CLASSIC 1986-1994 — manual gearbox extension case & oil pump sealing washer (1986-1991 to VIN HA610293; 1992-1994 from VIN JA610294)

Alternative Codes

FRC4810213964BR 3573

In stock 48 units

34 · Gouda 14 · 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 FRC4810 and where is it used in the gearbox?

FRC4810 is a sealing washer for plug and fitting threads across LT76, LT77, and related manual gearboxes. On the LT77 it seals the extension case and oil pump fitting threads (suffix F and G variants). On Series vehicles it seals LT76 sump plug positions. Also available as part of a gearbox gasket kit.

Should FRC4810 be replaced every time a gearbox plug is removed?

Yes, renew FRC4810 each time the plug is removed. The washer compresses against the seat under torque, and reusing a previously compressed washer reliably leads to oil seepage at the plug. One washer is required per plug position.

How do I confirm FRC4810 fits my LT77 Defender or Range Rover Classic?

FRC4810 fits Defender LT77 gearboxes covering suffix F and G variants, Series I/II/IIA/III with LT76, and Range Rover Classic LT77 (1986-1991 to VIN HA610293, and 1992-1994 from JA610294). Cross-references: BR 3573 and 213964.