SEAL UNDER ROD CHANGE SELECTORS TO GEAR CASE
31B447

£0.30 exc vat

£0.36 inc vat

In stockIn stock
Often overlooked when doing gearbox rebuilds this seal is very important as it sits in the very bottom of the case and is the source of irritating oil leaks.

The large round metal plug in the bottom of the gearbox is the pivot pin for all th...

£0.30 exc vat

£0.36 inc vat

In stockIn stock

Recommended usage 1 x 31B447 to fit one mini.
Rod Change Gear Selectors and Speedo Drive - Qty 1
Gearbox Selector Forks - Qty 1

Kit products

Mini Spares Close ratio Evolution five speed "A" Plus Rod-change helical cut teeth gearbox has been in production since 1993 with phenomenal proven reliability. Do not use a quick shift gear lever with this gearbox

Suitable for 1275-1380cc(e...

Best of both worlds - acceleration and easy cruising - with this Mini Spares Evolution five speed "closer ratio gearbox and cross pin diff".

Mini Spares Close ratio Evolution five speed "A" Plus Rod-change helical cut teeth gearbox has bee...

Latest technology heavy duty helical gear set in a 5 speed gearbox.

Same as the Clubman straight cut ratios except 2nd gear which is 1.644 it has the same reduction 5th gear .865 fitted with X pin diff and 3.4 final drive

giving 2....

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

This gearbox is identical to MSG05 except for a 3.2 final drive which effectively gives you a final drive ratio of 2.82 in 5th.

Do not come with input gear supplied.

Surcgharge on old unit £400+ VAT

This gearbox is identical to MSG04 except for a 3.2 final drive which effectively gives you a final drive ratio of 2.822 in 5th.

Does not come with input gear supplied.

This gearbox is identical to MSG05 except for a 3.1 final drive which effectively gives you a final drive ratio of 2.73 in 5th.

Does not come with input gear supplied.

This gearbox is identical to MSG04 except for a 3.1 final drive which effectively gives you a final drive ratio of 2.73 in 5th.

Do not come with input gear supplied.

Mini Spares Close ratio Evolution five speed "A" Plus Rod-change helical cut teeth gearbox has been in production since 1993 with phenomenal proven reliability. Do not use a quick shift gear lever with this gearbox

Suitable for 1275-1380cc(e...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

New for 2023, special heavy duty 2nd and 3rd gears with laygear and 1st motion to match giving a quiet road box suitable for engines producing upto 125lbft of torque on naturally aspirated engines.



Ratios are:



1s...

People also bought products

Upgraded Viton version of ADU5738. Drive shaft oil seal or diff output shaft oil seal for all Mini's except Cooper S and early Automatics. 2 required per gearbox.

Mini Spares best quality complete gasket and seal kit for engine block and gearbox,for all common engine types and sizes.



Also comes complete with Mini Spares Evolution clutch oil seal 13H2934MS, differential oil seals...

Originally developed by Rover to cut down on warranty hourly costs on powertrain warranty repairs, by their main dealers.-Labour time allowed at Rover dealers for fitting this seal was 3.4 hours labour rate.

This is a special rigid seal and ...

This kit consists of one alloy sleeve with a groove on the outside to locate the O ring, the new "O" ring, a rod seal and a gaiter. To fit the kit simply remove the old gaiter if fitted and then the old oil seal. Fit the sleeve with the "O" ring fitt...

Drive shaft oil seal or diff output shaft oil seal for all Mini's except Cooper S and early Automatics. 2 required per gearbox.

Upgraded version in Viton available us ADU5738VITON

Front main (half moon) black seal for all transverse engines. This is the flexible item as fitted originally after replacing the early red type that leaked.

See [link]CAM6548{/link] for the rigid seal designed by Rover for all their warran...

A part that is historically known to fail over a period of time, due to contamination from road grit etc. Please also see part number MSSK050 for our modification kit to prevent future failures.

If you have Hardy Spicer output shafts as fitted to Cooper "S" and automatic minis these seals fit behind the output shaft to prevent oil leaking through the centre bolt area. They are a special neoprene type of rubber to prevent heat breaking them d...

If you still have the original factory oil pick up pipe in your gearbox and not the C-AHT54 special pick up this is the oil seal that fits the pipe where it goes into the wire mesh strainer - this seal is not in gearbox gasket sets.

This o ring goes on the detent plunger located behind the gearbox output shaft side plates on all Rod change gearboxes. See also BLS110 ball & 22G2083 spring. Also fit BAU5043 heater matrix.

The gasket with the oil suction seal hole fits every mini gearbox case and the other two are for the different case shapes, one for 3 synchro case and one for 4 synchro gearbox case, so choose the one you require. For latest spec Klinger gasket set u...

Actually the concertina dust cover for the rod change oil seal to prevent road debris attacking the seal. See MSSK050 kit when undertaking this job.

Genuine gearbox gasket for the large alloy end cover which also houses the speedo drive pinion for all years of mini. The small gasket on the alloy housing with 2 bolt holes is GUG705564GM and the small pear shaped speedo housing gasket ...

This is the large clutch case gasket that is made to a special thickness.

Many companies who copy these gaskets are not aware that the gasket thickness and consistency is important as it affects the clearance on the idler gear shimming. This...

Genuine Mini Spares green and black upgraded Klinger gasket set. 3 pieces



Has the extra front gasket required for 3 synchro case use

Lower differential housing paper gasket for old magic wand and remote type gearboxes, rod change gearboxes.

Gearbox oil strainer to gearbox internal case gasket and also used on the C-AHT54 special oil pick up pipe. One also sits on the outer plate held onto the gearbox outer casing by 2 screws.

Mini Spares own Gearbox gasket set for all manual Mini transmissions. It does not include the clutch oil seal 13H2934 or output shaft seals ADU5738 or 13H577 selector shaft seal for pre rod change gearbox becaus...