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Model: ERSA-FJ

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75 - Gearbox (58)
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Cooper parts
Model: ERSA-FJ

2nd gear pinion shaft 18/35

COOFJ-75-007-35

£268.00 (ex VAT)

£321.60 (inc VAT)

Interlock plunger 74.6mm long

COO331

£29.50 (ex VAT)

£35.40 (inc VAT)

Interlock plunger 74.6mm long, for 3rd and 4th gear on 4 speed gearboxes, 4th and 5th on 5

Needle roller bearing 1st gear

COOFJ-75-013

£19.60 (ex VAT)

£23.52 (inc VAT)

Interlock Plate - Bottom

COO338B

£29.00 (ex VAT)

£34.80 (inc VAT)

Sleeve 4th gear

COOFJ-75-039

£146.00 (ex VAT)

£175.20 (inc VAT)

Lock nut pinion shaft RH 24x1.5

COO347

£57.00 (ex VAT)

£68.40 (inc VAT)

Supplied fitted with a M5 grub screw. 24mm x 1.5mm pitch thread Right hand

Bearing For Crownwheel, 30208

COO361

£23.98 (ex VAT)

£28.78 (inc VAT)

Taper roller bearing Dimensions. 40mm I.D x 80mm O.D x 19.75mm Wide

Gearbox and bell housing FJ 5 speed #

GEARBOX&BELLFJ5S

POA (ex VAT)

POA (inc VAT)

Mainshaft rear spacer 8mm

COO395-1

£64.20 (ex VAT)

£77.04 (inc VAT)

Rear thrust washer for 4th gear. Ground faces with an oil grooved to be fitted facing 4th

Clutch pushrod trunion

COO485

POA (ex VAT)

POA (inc VAT)

Bell Housing

C415

POA (ex VAT)

POA (inc VAT)

Bell housing to fit Formula juniors with the ERSA gearbox of 4 and 5 speed variations. Des

5th gear main shaft 24/29

COOFJ-75-005-24

£324.00 (ex VAT)

£388.80 (inc VAT)

Differetial Output Flange (1100 Series small spline)

COO238

£204.00 (ex VAT)

£244.80 (inc VAT)

These shafts are to suit the original Citroen differential splines ? dia od and 1100 serie

5th gear pinion shaft 24/29

COOFJ-75-010-29

£248.00 (ex VAT)

£297.60 (inc VAT)

Interlock pivot bush

COO336

£22.65 (ex VAT)

£27.18 (inc VAT)

Interlock gate 4 & 5 speed

COOFJ-75-033

£126.00 (ex VAT)

£151.20 (inc VAT)

This inter lock will fit 4 and 5 speed gearboxs. To fit 4 speeds it will have tbe fitted w

Detent plunger 40mm long

COO343

£18.25 (ex VAT)

£21.90 (inc VAT)

Detent plunger 40mm long, for 1st and 2nd gear on 4 speed gearboxes, 2nd and 3rd on 5 spee

Diff Oil Seal Housing 0-Ring 4.5mm wall

COO355

POA (ex VAT)

POA (inc VAT)

Clutch release shaft

COOFJ-75-051

£396.00 (ex VAT)

£475.20 (inc VAT)

Plug drain with magnet

COO368

POA (ex VAT)

POA (inc VAT)

Breather Pipe

COO418

£235.00 (ex VAT)

£282.00 (inc VAT)

Breather pipe as fiited to the ERSA gear box cases.

Gearbox Cover 5 speed with cap

C364JS-5

£1,685.00 (ex VAT)

£2,022.00 (inc VAT)

3rd gear main shaft 20/33

COOFJ-75-003-20

£324.00 (ex VAT)

£388.80 (inc VAT)

Pinion bearing housing rear

COO219

£155.00 (ex VAT)

£186.00 (inc VAT)

3rd gear pinion shaft 20/33

COOFJ-75-008-33

£248.00 (ex VAT)

£297.60 (inc VAT)

Interlock plunger 79mm long

COO332

£29.50 (ex VAT)

£35.40 (inc VAT)

Interlock plunger 79mm long, for 1st and 2nd gear on 4 speed gearboxes, 2nd and 3rd on 5 s

Interlock gate slider

COOFJ-75-031

£82.00 (ex VAT)

£98.40 (inc VAT)

Interlock Plate - Top

COO338T

£29.00 (ex VAT)

£34.80 (inc VAT)

Dog ring carrier 4th & 5th

COOFJ-75-040

POA (ex VAT)

POA (inc VAT)

Stud For Crownwheel Cap

COO348

POA (ex VAT)

POA (inc VAT)

Pinion Front bearing 21306 30x72x19

COO362

£81.00 (ex VAT)

£97.20 (inc VAT)

Self aligning sperical roller bearing.
Dimensions 30mm ID x 72mm OD x 19mm wide

Gearbox assembly Cooper FJ 5 speed

GEARBOXFJ5S

POA (ex VAT)

POA (inc VAT)

Cooper Ersa 5 speed Formula junior gear box. This gear box is made to the original specifi

Spacer pinion shaft rear 6mm

COO397-1

£18.00 (ex VAT)

£21.60 (inc VAT)

Hardened steel spacer. 6mm thick, ? id

1st gear main shaft 15/38

COOFJ-75-001-15

£242.00 (ex VAT)

£290.40 (inc VAT)

Gearbox rear mount in bronze

COO190

£284.00 (ex VAT)

£340.80 (inc VAT)

This was not fitted as standard until the Cooper T45 but is a good upgrade for earlier car

1st gear pinion shaft 15/38

COOFJ-75-006-38

£255.00 (ex VAT)

£306.00 (inc VAT)

Drop gear set 23x30

COO306

£375.00 (ex VAT)

£450.00 (inc VAT)

Dog ring 2nd & 3rd gear

COOFJ-75-011

£249.00 (ex VAT)

£298.80 (inc VAT)

Interlock mounting stud

COO337

£18.50 (ex VAT)

£22.20 (inc VAT)

Brass interlock mounting stud. 2 required per gearbox

Detent plunger cap

COOFJ-75-037

POA (ex VAT)

POA (inc VAT)

Lock nut mainshaft LH 22x1.25

COO346

£57.00 (ex VAT)

£68.40 (inc VAT)

This is a left hand thread nut. 22mm x 1.25mm pitch. The nut comes fitted with a 5mm locki

Adjusting ring for CWP bearing

COO360

£105.00 (ex VAT)

£126.00 (inc VAT)

2 required per gearbox

Gearbox case #

D2907A

£1,650.00 (ex VAT)

£1,980.00 (inc VAT)

Gearbox casing with billet caps, studs and stiffening plate. Bored for reverse shaft.

Main shaft rear cover

COO376-2

£121.25 (ex VAT)

£145.50 (inc VAT)

Pins first gear

COO455-3

£31.00 (ex VAT)

£37.20 (inc VAT)

5 off required

Gearbox Cover Cap

C365JS

POA (ex VAT)

POA (inc VAT)

4th gear main shaft 22/31

COOFJ-75-004-22

£324.00 (ex VAT)

£388.80 (inc VAT)

Mainshaft bearing housing rear

COO220

£155.00 (ex VAT)

£186.00 (inc VAT)

4th gear pinion shaft 22/31

COOFJ-75-009-31

£248.00 (ex VAT)

£297.60 (inc VAT)

Interlock Swivel

COO335

£58.00 (ex VAT)

£69.60 (inc VAT)

Interlock gate slider

COOFJ-75-032

£82.00 (ex VAT)

£98.40 (inc VAT)

Detent plunger 35mm long

COO342

£18.25 (ex VAT)

£21.90 (inc VAT)

Detent plunger 35mm long, for 3rd and 4th gear on 4 speed gearboxes, 4th and 5th on 5 spee

Selector fork 2nd & 3rd gear with pads and bolts

COOFJ-75-046

£410.00 (ex VAT)

£492.00 (inc VAT)

Spacer pinion shaft rear 9mm

COO354

POA (ex VAT)

POA (inc VAT)

Mainshaft Rear Bearing, 3305

COO364

£52.75 (ex VAT)

£63.30 (inc VAT)

1 per gearbox, This is only for the main shaft. It must not be fitted to the pinion shaft

Plug drain & filler 24mm x 2

COO367

£22.20 (ex VAT)

£26.64 (inc VAT)

Steel drain and filler plug. Supplied drilled with a lockwire hole and Zinc plated. The or

Detent Spring; Light

COO404

£4.25 (ex VAT)

£5.10 (inc VAT)

2nd gear main shaft 18/35

COOFJ-75-002-18

£324.00 (ex VAT)

£388.80 (inc VAT)

Spacer pinion shaft front & rear 4.5mm

COO212

£27.65 (ex VAT)

£33.18 (inc VAT)

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Model: ERSA-FJ

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Cooper parts Model: ERSA-FJ

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Cooper parts
Model: ERSA-FJ