The MGA With An Attitude
REAR SEAL for the 5-Main Bearing Crankshaft - PP-201C
When an MGB 1800 5-main bearing engine is installed in an MGA, you need to use the engine rear plate that matches whatever gearbox you want to install. When mating a 5-main bearing engine (1965 or later) to a 3-synchronizer gearbox (pre-1968), you need to bore out the large hole in the rear plate to accept the rubber seal that is required for the 5-main crankshaft.
The original seal is Silicone rubber, commonly red color, and has a variety of BMC, Austin, Rover part numbers. There is also an upgraded seal in Viton material, commonly black. This seal is often sold with a thin tubular assembly tool to help boost the seal lip over the end of the crankshaft without seal damage. This is particularly helpful if you have installed a Speedy-Sleeve on the crankshaft. The seal might also be available in kit form including the steel retainer plate 12H1547 (as seen in article PP-201).
88G621 Oil seal, MGB 1965 to 80, BMC, Rover
Inner Diameter = 88,9 mm (3.500-in)
Outer Diameter = 104,7 mm (4.125-in)
Width = 9,5 mm (0.375-in)
Mat'l: = MVQ (Silicone Elastomer) (Left-hand Twist)
Ajisa 15038800
Austin, Rover ADU9143
Austin, Rover AHU2157
Austin, Rover AHU2242
Austin, Rover AHU2242Z
Austin, Rover CAM9991
Austin, Rover K418FF01
Austin, Rover LUF10002
Bars INA51727
BMC, Rover 88G621
BMCS/PRIMA 131021
Corteco 12011270B
Corteco 15510201B
Fai Autoparts OS772
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Glaser 77127
Goetze 5031942000
Land Rover EER6130
Leyland 13H2457
Malo 1153RSSI
Moss UK LUF10002 (Silicone)
Moss UK LUF10002/2 (Viton)
Moss USA 120-820 (Silicone)
Moss USA 120-821 (Viton)
Mercedes-Benz 6039970146
Perkins K418FF01
CNB123
NB772
NB772X
Victoria British 5-816
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99347 - Speedi-Sleeve for rear seal on 5-main bearing MGB engine
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