MGB Internal Gearbox Components - 3 Synchro

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Part No.: GRID019679

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Shaft - 3rd Motion - 1H3227

Qty Req-1, Model-Non Overdrive Gearboxes Only

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1H3227

No longer available

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Restrictor Oil - 1A1964

Qty Req-1, Model-Non Overdrive Gearboxes Only, Item Info 2-3rd motion shaft

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1A1964

No longer available

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Housing - Front Bearing - 1G3586

Qty Req-1, Model-Non Overdrive Gearboxes Only

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1G3586

No longer available

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Gearbox Mainshaft Bearing - 503791

Qty Req-1, Model-Non Overdrive Gearboxes Only, Item Info 2-front - 3rd motion shaft

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503791

In stock

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£8.96 ex VAT£10.75 inc UK VAT

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Spacer - 11G3223

Qty Req-1, Model-Non Overdrive Gearboxes Only, Item Info 2-front - 3rd motion shaft

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11G3223

No longer available

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Gear - Speedometer Drive - 1H3369

Qty Req-1, Model-Non Overdrive Gearboxes Only

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1H3369

No longer available

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Woodruff Key 3/32" x 1/2" - KW316

Qty Req-1, Model-Non Overdrive Gearboxes Only

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KW316

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£1.25 ex VAT£1.50 inc UK VAT

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Spacer - AEH3242

Qty Req-1, Model-Non Overdrive Gearboxes Only, Item Info 2-rear - 3rd motion shaft

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AEH3242

No longer available

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Bearing - 104433

Qty Req-1, Model-Non Overdrive Gearboxes Only, Item Info 2-rear - 3rd motion shaft

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104433

In stock

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£9.79 ex VAT£11.75 inc UK VAT

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Circlip - CCN240

Qty Req-1, Model-Non Overdrive Gearboxes Only, Item Info 2-rear bearing

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CCN240

No longer available

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Oil Seal - 1H3275

Qty Req-1, Model-Non Overdrive Gearboxes Only, Item Info 2-gearbox - rear

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1H3275

In stock

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£2.50 ex VAT£3.00 inc UK VAT

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Drive Flange - 1H3304

Qty Req-1, Model-Non Overdrive Gearboxes Only

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1H3304

No longer available

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Spring Washer Single Coil 3/4" - WL600121

Qty Req-1, Model-Non Overdrive Gearboxes Only

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WL600121

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£0.68 ex VAT£0.82 inc UK VAT

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Half Nut 3/4 UNF - FNZ612

Qty Req-1, Model-to 18GU H31471/L29122 Non Overdrive Gearboxes Only, Item Info 2-drive flange to 3rd motion shaft

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FNZ612

Out of stock, expected soon Jul 01, 2026. Add to cart and Back Order

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£3.13 ex VAT£3.76 inc UK VAT

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Nut - 22H1020

Qty Req-1, Model-18GU H31472 on /L29123 on Non Overdrive Gearboxes Only, Item Info 2-drive flange to 3rd motion shaft

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22H1020

No longer available

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Bolt 5/16 UNF x 1 1/8" Grade T - AAA4039

Qty Req-4, Model-Non Overdrive Gearboxes Only, Item Info 2-drive flange to propshaft

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AAA4039

In stock

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£0.88 ex VAT£1.06 inc UK VAT

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Shaft - 3rd Motion - 22H226

Qty Req-1, Model-Overdrive Gearboxes Only

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22H226

No longer available

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Restrictor Oil - 1A1964

Qty Req-1, Model-Overdrive Gearboxes Only, Item Info 2-3rd motion shaft

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1A1964

No longer available

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Housing - Front Bearing - 1G3586

Qty Req-1, Model-Overdrive Gearboxes Only

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1G3586

No longer available

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Gearbox Mainshaft Bearing - 503791

Qty Req-1, Model-Overdrive Gearboxes Only, Item Info 2-front - 3rd motion shaft

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503791

In stock

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£8.96 ex VAT£10.75 inc UK VAT

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Spacer - 11G3223

Qty Req-1, Model-Overdrive Gearboxes Only, Item Info 2-front - 3rd motion shaft

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11G3223

No longer available

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Lock Tab - 11G3226

Qty Req-1, Model-Overdrive Gearboxes Only

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11G3226

In stock

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£3.13 ex VAT£3.76 inc UK VAT

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Nut - 11G3225

Qty Req-1, Model-Overdrive Gearboxes Only, Item Info 2-3rd motion shaft

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11G3225

In stock

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£10.42 ex VAT£12.50 inc UK VAT

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Hub Nut (left hand thread) - 1G3584

Qty Req-1, Item Info 2-1st motion shaft

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1G3584

In stock

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£8.75 ex VAT£10.50 inc UK VAT

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Lock Tab - 1A3717

Qty Req-1

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1A3717

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£2.08 ex VAT£2.50 inc UK VAT

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Shim - 0.002 - 6K907

Qty Req-a/r, Item Info 2-1st motion shaft

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6K907

Out of stock, expected soon. Add to cart and Back Order

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£5.83 ex VAT£7.00 inc UK VAT

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Shim - 0.004 - 6K908

Qty Req-a/r, Item Info 2-1st motion shaft

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6K908

Out of stock, expected soon Jun 20, 2026. Add to cart and Back Order

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£5.63 ex VAT£6.76 inc UK VAT

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Spring Ring - 6K886

Qty Req-1, Item Info 2-1st motion shaft bearing

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6K886

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Bearing - First Motion Shaft - 6K885

Qty Req-1

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6K885

In stock

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£13.96 ex VAT£16.75 inc UK VAT

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Shaft - 1st Motion - 22H56

Qty Req-1, Model-18G, 18GA Engines

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22H56

No longer available

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Shaft - 1st Motion - 22H843

Qty Req-1, Model-18GB Engines

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22H843

No longer available

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Needle Roller - 1st to 3rd Motion Shafts - Each - 8G2404

Qty Req-18

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8G2404

In stock

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£0.30 ex VAT£0.36 inc UK VAT

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Needle Roller - 1st to 3rd Motion Shafts - Kit of 18 - 8G2404K

Qty Req-1

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8G2404K

In stock

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£5.21 ex VAT£6.25 inc UK VAT

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Synchro Hub - 3rd & 4th Speed - 48G438

Qty Req-1

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48G438

No longer available

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Steel Ball 9/32" - BLS109

Qty Req-3, Item Info 2-detent

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BLS109

Out of stock, expected soon. Add to cart and Back Order

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£0.80 ex VAT£0.96 inc UK VAT

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Steel Ball 9/32" - BLS109L - Genuine

Qty Req-3, Item Info 2-detent

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BLS109L

In stock

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£3.07 ex VAT£3.68 inc UK VAT

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Spring - 6K884

Qty Req-3, Item Info 2-detent

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6K884

In stock

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£1.25 ex VAT£1.50 inc UK VAT

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Baulk Ring - 3rd & 4th Speed - 11G3022

Fitting:
MGB, 3 synchro gearbox 1962-67
MGA, 1955-62

Qty Req-2

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11G3022

In stock

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£22.50 ex VAT£27.00 inc UK VAT

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Thrust Washer - 0.1565/0.1575 inch - 11G3127

Qty Req-a/r

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11G3127

In stock

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£20.42 ex VAT£24.50 inc UK VAT

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Thrust Washer - 0.1585/0.1595 inch - 11G3128

Qty Req-a/r

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11G3128

Usually in stock at our supplier, allow 2 to 4 weeks for delivery

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£18.33 ex VAT£22.00 inc UK VAT

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Thrust Washer - 0.1605/0.1615 inch - 11G3129

Qty Req-a/r

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11G3129

Out of stock, expected soon Jul 01, 2026. Add to cart and Back Order

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£19.79 ex VAT£23.75 inc UK VAT

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Gear - 3rd Speed - 1G3594

Qty Req-1

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1G3594

No longer available

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Bush - 11G3029

Qty Req-1, Item Info 2-3rd speed gear locating

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11G3029

4 in stock

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£30.63 ex VAT£36.76 inc UK VAT

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Ring - Locking - 1G3331

Qty Req-1, Item Info 2-2nd & 3rd speeds

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1G3331

In stock

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£5.00 ex VAT£6.00 inc UK VAT

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Bush - 11G3028

Qty Req-1, Item Info 2-2nd gear locating

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11G3028

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£24.79 ex VAT£29.75 inc UK VAT

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Gear - 2nd Speed - 22H230

Qty Req-1, Model-Originally Fitted 18GB RU H31003 on/L25995 on, Item Info 2-fit together with steel baulk ring 22H249 in earlier gearboxes

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22H230

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£80.00 ex VAT£96.00 inc UK VAT

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Baulk Ring - Steel Type - 22H249

Qty Req-1, Model-18GB RU H31003 on/L25995 on, Item Info 2-2nd speed

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22H249

Out of stock, expected soon Jul 23, 2026. Add to cart and Back Order

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£50.00 ex VAT£60.00 inc UK VAT

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Baulk Ring - Bronze Type - 11G3063

Qty Req-1, Model-to 18GB RU H31002/L25994, Item Info 2-2nd speed - use with original type 2nd speed gear only

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11G3063

In stock

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£25.63 ex VAT£30.76 inc UK VAT

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100

Thrust Washer - Rear - 1G3492

Qty Req-1

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1G3492

No longer available

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102

Gear Assembly - 1st Speed - 48G422

Qty Req-1

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48G422

2 in stock

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£143.54 ex VAT£172.25 inc UK VAT

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102

Gear - 1st Speed - Outer Only - 22H90

Qty Req-1

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22H90

No longer available

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103

Steel Ball 9/32" - BLS109

Qty Req-3, Item Info 2-detent

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BLS109

Out of stock, expected soon. Add to cart and Back Order

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£0.80 ex VAT£0.96 inc UK VAT

Quantity

104

Spring - 6K884

Qty Req-3, Item Info 2-detent

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6K884

In stock

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£1.25 ex VAT£1.50 inc UK VAT

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Woodruff Key 1/2" D x 1/8" - WKN404

Qty Req-a/r

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WKN404

In stock

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£1.25 ex VAT£1.50 inc UK VAT

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MGB Internal Gearbox Components - 3 Synchro

Customer Review

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MGB Internal Gearbox Components - 3 Synchro

Unsure what part you need? Contact our team of experts to talk makes, models, performance, and parts!! With over 42 years in business, our team are here to help you rebuild, restore, and maintain your car. Contact our team to talk makes, models, performance, and parts!!

Unsure what part you need?

Contact our team of experts to talk makes, models, performance, and parts!! With over 42 years in business, our team are here to help you rebuild, restore, and maintain your car.

Contact our team to talk makes, models, performance, and parts!!