Triumph Stag J Type Overdrive Unit - Adaptor Plate and Gasket Set

IMPORTANT
EXCHANGE UNITS
All our gearboxes/overdrive units are supplied on a strict 'LIKE for LIKE' Exchange basis
(IE non-overdrive gearbox for non overdrive gearbox).

Your old exchange unit(s) MUST be in an undamaged and serviceable (NOT dismantled) condition, and all fluids/oils must be drained BEFORE being returned to us for refund of exchange surcharge.
We reserve the right to retain all or part of the exchange surcharge if the above conditions are not met.

HOW TO IDENTIFY YOUR
OVERDRIVE

MANUAL/OVERDRIVE GEARBOX
(1970 to 1973 - to LD21230)
'A' type overdrive
How to identify
Overdrive unit has a bolt on solenoid & a brass sump plug

(1973 onwards - from LD21231)
'J' type overdrive
How to identify
Overdrive unit has a finned sump held on with 6 set screws and a screw in solenoid

DIY Overdrive Rebuilds
Overdrive units really do require specialist knowledge to dismantle and rebuild, and are normally beyond the capabilities of the DIY enthusiast. We therefore, strongly recommend the fitting of a reconditioned overdrive unit.

Illustrations & Parts Listings
We have illustrated the overdrive components to help you identify them and see how they are located should you wish to carry out work on your overdrive unit.
If you require further assistance please contact us with your overdrive number & vehicle details.

TRANSMISSION OIL CAPACITIES

Manual Gearbox & 'J' Type Overdrive;2.66 pints (1.51 litres)
Use EP80W-90 gear oil - Part no. XPGO41L (1 litre)