MGB LH Type Overdrive Assembly - 4 Cylinder 4 Synchro & V8

Order your MGB LH Type Overdrive Assembly - 4 Cylinder 4 Synchro & V8 ⛽ Low prices and fast, worldwide delivery ✈ British car experts ♚ Call ☎ 01522 568000 or ☎ 1-855-746-2767

Part No.: GRID019656

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Overall Ratings: 5 out of 5 stars Read 2 Review(s)

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Overdrive Assembly - LH Type - Reconditioned - 22H1283E

Black identification plate covering the solenoid

Qty Req-1, Model-4 Cylinder Chrome Bumper Models, Item Info 2-with speedometer face marked 1280TPM

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22H1283E

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

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£772.71 ex VAT£927.25 inc UK VAT

£200.00 ex VAT£240.00 inc UK VAT

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Overdrive Assembly - LH Type - Reconditioned - DAM1362R

1974 on Rubber Bumper Models

Blue identification plate covering the solenoid.

Qty Req-1, Model-4 Cylinder Rubber Bumper Models, Item Info 2-with speedometer face marked 1000TPM

Only Available for Delivery to Mainland United Kingdom Destinations

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DAM1362R

In stock

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£666.25 ex VAT£799.50 inc UK VAT

£180.00 ex VAT£216.00 inc UK VAT

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Overdrive Assembly - LH Type - Reconditioned - 22B687R

Qty Req-1, Model-All V8 Models, Item Info 2-with speedometer face marked 960TPM

Only Available for Delivery to Mainland United Kingdom Destinations

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22B687R

Out of stock, please call for latest delivery information

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£625.42 ex VAT£750.50 inc UK VAT

£150.00 ex VAT£180.00 inc UK VAT

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Cam - Gearbox - 3rd Motion Shaft - 37H1909

Qty Req-1, Item Info 2-not included in overdrive assembly - for gearbox with keyway on 3rd motion shaft for key-held type cam

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37H1909

No longer available

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Cam - Gearbox - 3rd Motion Shaft - 22B611

Very early 3rd motion shafts used a key-located cam. This set up uses woodruff key (37H1910) and cam (37H1909).

Qty Req-1, Item Info 2-not included in overdrive assembly - for gearbox with ball drilling on 3rd motion shaft for ball-held type cam

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22B611

1 in stock

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£39.79 ex VAT£47.75 inc UK VAT

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Woodruff Key - 37H1910

Qty Req-1, Item Info 2-not included in overdrive assembly - for gearbox with keyway on 3rd motion shaft for key-held type cam

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37H1910

In stock

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£0.55 ex VAT£0.66 inc UK VAT

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Steel Ball 3/16" - BL12

Qty Req-1, Item Info 2-not included in overdrive assembly - for gearbox with ball drilling on 3rd motion shaft for ball-held type cam

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BL12

In stock

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£0.30 ex VAT£0.36 inc UK VAT

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Circlip - Cam Securing - 37H1911

Qty Req-1, Item Info 2-not included in overdrive assembly - cam to 3rd motion shaft

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37H1911

In stock

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£3.33 ex VAT£4.00 inc UK VAT

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Stud - NKC57

Qty Req-7, Item Info 2-overdrive to gearbox - long

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NKC57

This part has been superseded

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Use 37H1897S

37H1897 - STUD-O/DRIVE SHORT #

Qty Req-7, Item Info 2-overdrive to gearbox - long

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37H1897S

In stock

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£2.92 ex VAT£3.50 inc UK VAT

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Stud - 37H8068

Qty Req-1, Item Info 2-overdrive to gearbox - short

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37H8068

2 in stock

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£1.88 ex VAT£2.26 inc UK VAT

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Plain Nut 1/4 UNF - GHF200

Qty Req-8, Item Info 2-overdrive to gearbox

5 out of 5 starsRead 1 Review(s)Rate and Review this Product

GHF200

In stock

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£0.30 ex VAT£0.36 inc UK VAT

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Spring Washer Single Coil 1/4" - GHF331

Qty Req-8

5 out of 5 starsRead 1 Review(s)Rate and Review this Product

GHF331

In stock

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£0.15 ex VAT£0.18 inc UK VAT

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Gasket - Adaptor Plate to Overdrive - 37H1901

Qty Req-1, Item Info 2-overdrive to gearbox

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37H1901

In stock

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£1.25 ex VAT£1.50 inc UK VAT

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Philidas Nut 1/4 UNF - GHF241

Qty Req-4, Item Info 2-self locking nut replaces plain nut and lock washer found on early overdrive units

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GHF241

In stock

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£1.25 ex VAT£1.50 inc UK VAT

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Bar - Bridge - 37H1931

Qty Req-2

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37H1931

No longer available

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Circlip - 37H1930

Qty Req-4, Item Info 2-thrust spring

5 out of 5 starsRead 1 Review(s)Rate and Review this Product

37H1930

In stock

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£4.58 ex VAT£5.50 inc UK VAT

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Piston - 37H1933

Qty Req-2, Item Info 2-operating

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37H1933

No longer available

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O Ring - Piston - 513912

Qty Req-2

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513912

In stock

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£1.25 ex VAT£1.50 inc UK VAT

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Filter and Gasket - 37H1942

Qty Req-1, Item Info 2-sump

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37H1942

In stock

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£7.50 ex VAT£9.00 inc UK VAT

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Sump - Overdrive - 37H1944

Qty Req-1

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37H1944

No longer available

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Setscrew 1/4 UNF x 5/8" - SH604051

Qty Req-6, Item Info 2-sump to main case

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SH604051

In stock

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£0.25 ex VAT£0.30 inc UK VAT

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Shakeproof Washer Internal 3/16" - WF702101

Qty Req-6

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WF702101

In stock

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£0.30 ex VAT£0.36 inc UK VAT

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Oil Pump Body Only - 37H1913

Qty Req-1

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37H1913

2 in stock

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£32.92 ex VAT£39.50 inc UK VAT

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O Ring - NKC100

Qty Req-1

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NKC100

In stock

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£0.30 ex VAT£0.36 inc UK VAT

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O Ring - Oil Pump - 37H1914

Qty Req-1

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37H1914

This part has been superseded

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Use NKC100

Steel Ball 7/32" - BLS107

Qty Req-1, Item Info 2-non-return valve

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BLS107

In stock

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£0.55 ex VAT£0.66 inc UK VAT

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Pump Plug - NKC26A

Qty Req-1

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NKC26A

1 in stock

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£9.58 ex VAT£11.50 inc UK VAT

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O Ring Seal - NKC101A

Qty Req-1, Item Info 2-oil pump plug

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NKC101A

In stock

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£1.88 ex VAT£2.26 inc UK VAT

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Oil Pressure Relief Valve - 37H3462

Qty Req-1, Model-4 Cylinder Models

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37H3462

No longer available

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Oil Pressure Relief Valve - 37H8070

Qty Req-1, Model-V8 Models

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37H8070

No longer available

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O Ring - Relief Valve - 506129

Qty Req-1

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506129

In stock

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£0.80 ex VAT£0.96 inc UK VAT

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O Ring - 506129A

Qty Req-1

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506129A

In stock

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£0.75 ex VAT£0.90 inc UK VAT

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Filter and O Ring - Overdrive - 506129S

Qty Req-1

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506129S

In stock

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£10.42 ex VAT£12.50 inc UK VAT

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Oil Pressure Relief Plug - 37H1925

Qty Req-1

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37H1925

In stock

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£3.33 ex VAT£4.00 inc UK VAT

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O Ring - Relief Valve Plug - 37H1924

Qty Req-1

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37H1924

In stock

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£0.30 ex VAT£0.36 inc UK VAT

Quantity

100

Sealing Washer Fibre 25.75mm ID - 506118A

Qty Req-1, Item Info 2-relief valve plug

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506118A

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

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£1.67 ex VAT£2.00 inc UK VAT

Quantity

101

Overdrive Solenoid - LH Type - 37H1934

Qty Req-1

4 out of 5 starsRead 1 Review(s)Rate and Review this Product

37H1934

In stock

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£96.67 ex VAT£116.00 inc UK VAT

Quantity

102

Coil Assembly - Solenoid - 37H1935

Qty Req-1

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37H1935

In stock

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£31.88 ex VAT£38.26 inc UK VAT

Quantity

103

O Ring - NKC99A

Qty Req-2, Item Info 2-solenoid (large)

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NKC99A

In stock

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£0.75 ex VAT£0.90 inc UK VAT

Quantity

103a

O Ring - NKC102A

Qty Req-1, Item Info 2-Solenoid (medium)

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NKC102A

In stock

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£0.80 ex VAT£0.96 inc UK VAT

Quantity

103b

O Ring - 37H1939

Qty Req-1, Item Info 2-Solenoid (small)

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37H1939

In stock

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£0.55 ex VAT£0.66 inc UK VAT

Quantity

104

Steel Ball 3/16" - BL12

Qty Req-1, Item Info 2-solenoid

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BL12

In stock

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£0.30 ex VAT£0.36 inc UK VAT

Quantity

105

Gasket - 37H1941

Qty Req-1, Item Info 2-solenoid cover

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37H1941

In stock

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£0.80 ex VAT£0.96 inc UK VAT

Quantity

106

Setscrew 3/16 UNF x 1/2" - HU504

Spanner size 3/8 AF
Hexagon Headed
32tpi

Qty Req-4, Item Info 2-cover to main case

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HU504

In stock

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£0.47 ex VAT£0.56 inc UK VAT

Quantity

107

Shakeproof Washer Internal 3/16" - WF702101

Qty Req-4

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WF702101

In stock

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£0.30 ex VAT£0.36 inc UK VAT

Quantity

108

Carrier - 37H1950

Qty Req-1, Item Info 2-planet

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37H1950

No longer available

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109

Bearing and Spindle Kit - 37H1949

Qty Req-1, Item Info 2-planet

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37H1949

2 in stock

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£90.21 ex VAT£108.25 inc UK VAT

Quantity

110

Circlip - NKC77A

Qty Req-1, Item Info 2-clutch

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NKC77A

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

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£6.04 ex VAT£7.25 inc UK VAT

Quantity

111

Overdrive Oil Thrower D Type - 10857

Qty Req-1

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10857

1 in stock

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£7.50 ex VAT£9.00 inc UK VAT

Quantity

112

Clutch Assembly - Uni-Directional - Sprag Bearing - BAU2061A

Complete assembly includes Rollers & Spring clip

Qty Req-1

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BAU2061A

3 in stock

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£112.29 ex VAT£134.75 inc UK VAT

Quantity

113

Thrust Washer - 0.125 - 500613

Qty Req-1, Item Info 2-unidirectional clutch

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500613

In stock

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£11.25 ex VAT£13.50 inc UK VAT

Quantity

114

Spring Ring - Sun Wheel - 1D849

Qty Req-1

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1D849

No longer available

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115

Sun Wheel - 37H1907

Qty Req-1

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37H1907

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

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£31.88 ex VAT£38.26 inc UK VAT

Quantity

116

Spring - 37H1929

Qty Req-4, Item Info 2-thrust - release

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37H1929

In stock

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£9.17 ex VAT£11.00 inc UK VAT

Quantity

117

Spring - 37H3872

Qty Req-4, Model-4 Cylinder Models, Item Info 2-thrust - engagement

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37H3872

No longer available

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117

Spring - 37H1928

Qty Req-4, Model-V8 Models, Item Info 2-thrust - engagement

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37H1928

No longer available

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118

Bearing - Clutch Thrust Ring - 500640

Qty Req-1, Item Info 2-sun wheel

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500640

In stock

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£17.08 ex VAT£20.50 inc UK VAT

Quantity

119

Circlip - 37H1906

Qty Req-1, Item Info 2-sliding member

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37H1906

4 in stock

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£5.42 ex VAT£6.50 inc UK VAT

Quantity

120

Sliding Member - New - 37H3461

Qty Req-1

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37H3461

This part has been superseded

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Use 37H3461R

120

Sliding Member - Reconditioned - 37H3461R

Qty Req-1

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37H3461R

In stock

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£197.50 ex VAT£237.00 inc UK VAT

£60.00 ex VAT£72.00 inc UK VAT

Quantity

121

Annulus - 37H3873

Qty Req-1

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37H3873

No longer available

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122

Bearing - SP74G

Qty Req-1, Item Info 2-annulus - front

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SP74G

In stock

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£9.38 ex VAT£11.26 inc UK VAT

Quantity

123

Gear - Speedo Drive - 8 Teeth - Blue - 37H3464

Qty Req-1, Model-Chrome Bumper Models

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37H3464

4 in stock

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£29.58 ex VAT£35.50 inc UK VAT

Quantity

123

Gear - Speedo Drive - 6 Teeth - Red - 37H8844

Qty Req-1, Model-Rubber Bumper Models

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37H8844

1 in stock

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£32.08 ex VAT£38.50 inc UK VAT

Quantity

124

Bearing Assembly - 513897

Qty Req-1, Item Info 2-annulus - rear

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513897

In stock

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£5.00 ex VAT£6.00 inc UK VAT

Quantity

124

Bearing Assembly - 513897TIMKEN - Timken

Qty Req-1, Item Info 2-annulus - rear

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513897TIMKEN

2 in stock

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£27.08 ex VAT£32.50 inc UK VAT

Quantity

125

Oil Seal - Rear - NKC39A

Qty Req-1

5 out of 5 starsRead 1 Review(s)Rate and Review this Product

NKC39A

In stock

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£2.92 ex VAT£3.50 inc UK VAT

Quantity

126

Drive Flange - 22H1325

Outer Diameter 96.6mm
Inner Diameter 43mm
Splines 6

Qty Req-1, Model-4 Cylinder Models

5 out of 5 starsRead 1 Review(s)Rate and Review this Product

22H1325

Out of stock, expected soon Dec 31, 2026. Add to cart and Back Order

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£93.75 ex VAT£112.50 inc UK VAT

Quantity

126

Flange - 22B619

Qty Req-1, Model-V8 Models

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22B619

No longer available

Save for Later Price Match

127

Nut - 515817

Qty Req-1, Item Info 2-drive flange - self locking nut replaces earlier slotted nut and split pin

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515817

Out of stock, expected soon Jun 02, 2026. Add to cart and Back Order

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£3.75 ex VAT£4.50 inc UK VAT

Quantity

128

Washer - BTB933

Qty Req-1, Item Info 2-drive flange

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BTB933

1 in stock

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£2.92 ex VAT£3.50 inc UK VAT

Quantity

129

Bolt - 22H1107

Qty Req-4, Model-4 Cylinder Models, Item Info 2-propshaft - not included in overdrive assembly

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22H1107

In stock

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£1.88 ex VAT£2.26 inc UK VAT

Quantity

129

Bolt - 22B483

Qty Req-4, Model-V8 Models, Item Info 2-propshaft - not included in overdrive assembly

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22B483

In stock

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£8.13 ex VAT£9.76 inc UK VAT

Quantity

130

Pinion - Speedo Drive - 21 Teeth - White - 37H3463

Qty Req-1, Model-4 Cylinder Chrome Bumper Models

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37H3463

In stock

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£20.63 ex VAT£24.76 inc UK VAT

Quantity

130

Pinion - Speedo Drive - 20 Teeth - Red - 37H8845

Rubber Bumper D Type Overdrive

Qty Req-1, Model-4 Cylinder Rubber Bumper Models

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37H8845

In stock

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£21.88 ex VAT£26.26 inc UK VAT

Quantity

130

Pinion - Speedo Drive - 21 Teeth - White - 37H3463

Qty Req-1, Model-All V8 Models

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37H3463

In stock

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£20.63 ex VAT£24.76 inc UK VAT

Quantity

131

Housing - Speedo Pinion - 37H1955

Qty Req-1

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37H1955

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

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£43.75 ex VAT£52.50 inc UK VAT

Quantity

132

O Ring Seal - NKC101A

Qty Req-1, Item Info 2-speedo pinion

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NKC101A

In stock

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£1.88 ex VAT£2.26 inc UK VAT

Quantity

133

Oil Seal Speedo Pinion - NKC105A - Aftermarket

Qty Req-1

5 out of 5 starsRead 1 Review(s)Rate and Review this Product

NKC105A

In stock

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£3.33 ex VAT£4.00 inc UK VAT

Quantity

134

Lock Plate - 37H1957

Qty Req-1, Item Info 2-speedo pinion

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37H1957

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

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£7.71 ex VAT£9.25 inc UK VAT

Quantity

Setscrew 3/16 UNF x 5/8" - HU505

Spanner size 3/8 AF
Hexagon Headed
32tpi

Qty Req-6

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HU505

In stock

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£0.85 ex VAT£1.02 inc UK VAT

Quantity

136

Shakeproof Washer External 1/4" - WE607

Qty Req-1

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WE607

In stock

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£0.25 ex VAT£0.30 inc UK VAT

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"Really impressed with online chat - located part I needed in minutes thanks!!!" Customer Comment

Product Description
Customer Reviews
Video & Docs

Product Description

MGB LH Type Overdrive Assembly - 4 Cylinder 4 Synchro & V8

Customer Review

2 people wrote reviews

Rate and Review this Product

Review: David Peek Submitted: 26/05/2020

Overall5 out of 5 stars.

Subject

The electrical part performs as it should

Did this item work well with your project? What vehicle type are you using this for?

I haven’t had a chance to install in my MG transmission, but plan to within the next two weeks.

Review: Henri Submitted: 28/02/2020

Overall5 out of 5 stars.

Subject

works as expected

Did this item work well with your project? What vehicle type are you using this for?

Triumph Stag

MGB LH Type Overdrive Assembly - 4 Cylinder 4 Synchro & V8

Review: David Peek Submitted: 26/05/2020

Overall5 out of 5 stars.

Subject

Did this item work well with your project? What vehicle type are you using this for?

Review: Henri Submitted: 28/02/2020

Overall5 out of 5 stars.

Subject

Did this item work well with your project? What vehicle type are you using this for?

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!!