Clutch (Plate H)
Gearbox (Plate J)
Rear Axle (Plate M)
Remote Gear (Plate T)
Fuel, Cooling + Exhausts
Suspension + Steering
Brakes + Pedal Gear
Electrical + Instruments
Chassis, Frame, Body, etc.
For all Parts Catalogues, Workshop Manuals and Instruction Books please follow the link to the technical publications page.
A selection of the most frequently asked for Transmission parts are shown below as they appear in the Parts Book (Part Number 54954), anything that is not there, contact us and we will be happy to advise on stock and availability:
The clutch is a 9" single dry plate Borg and Beck with carbon ring thrust pad that requires little or no attention until considerable mileage has been covered, replacements are available as detailed below.
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The David Brown four-speed synchromesh gearbox is mounted integrally with the clutch housing and is supported at the rear rubber mounting.
One of the following four boxes may be fitted and they are distinguished by the following four letter codes:
DBRC - Close Ratio (Steering column change - DB2 Only)
DBRW - Wide Ratio (Steering column change - DB2 Only)
DBCC - Close Ratio (Centre change)
DBCW - Wide Ratio (Centre change)
There are a few replacement parts available and the more frequently asked for ones are below:
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Power is transmitted to the rear axle through an open type Hardy Spicer shaft with both propeller shaft universal couplings being needle roller types.
The DB2 & DB2/4 MkI was fitted with a 3HA Lightweight Salisbury axle and the DB2/4 MkII had a 4HA heavyweight version.
Parts availability for the 3HA is poor due to only being used on the early cars as it proved to be inadequate and was replaced with the stronger 4HA axle.
Availability of parts for the 4HA is good and it is possible to convert an early car which currently has a 3HA axle to accept a 4HA, contact us for further details and prices.
The following is a selection of replacement parts that are available for the 4HA Axle.
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The steering column gear change was fitted to early DB2's and whilst many cars have been converted to a normal stick shift, a few remain.
Below is a selection of original parts that we have in stock for the Remote Gear Mechanism.
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