code: CD3046
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Rotor Arm
  • Rolls-Royce Silver Cloud II, III & Silver Shadow I (with chassis between 1001 and 8741)
  • Bentley S2, S3 & T1 (with chassis between 1001 and 8741)

This rotor arm is from the electrical & ignition section in the Rolls-Royce & Bentley parts catalogues for models built between 1956 to 1965.

A rotor arm sits inside the distributor cap and transfers the charge from the ignition coil to the multiple touchpoints for the engine cylinders. The ignition system is made up of many components, all of which play an important role in getting the engine started. As the charge is carried from the ignition module through the coil and into the cap, the rotor arm spins, allowing it to connect with the multiple touchpoints or posts that are connected to the spark plugs in the engine. The rotor arm doesn't actually touch these posts - the charge jumps across a small gap to reach them - so the ignition system fails if it becomes dislodged or stops spinning. The rotor arm can also overheat, burn and become difficult to remove under the distributor cap, so be sure to consult a mechanic if this is the case.

For twin point ignition Lucas Distributor fitted on late S3 and Early Shadows 2 x CD3047 point sets are required. The condensor required is CD3049. Cap is CD3044.

All our parts branded Prestige Parts have a 3 year warranty.

Return postage must be paid by the customer and proof of delivery retained. IntroCar Ltd cannot be held responsible for the non-delivery of items being returned to the Company. When returning items wrongly supplied or under warranty, postage will be refunded up to a reasonable level (maximum return postage is limited up to the value of a return collection). If in doubt please contact us to confirm if return collection can be arranged.

Please refer to our Conditions of Sale for full details of return and exchange policy.

Please note that Special Order items will not be accepted as returns. These are items which have been ordered to specification, or those ordered from Bentley Motors Limited or Roll-Royce Motorcars Limited. Please contact us if in any doubt as to whether your item is viable for return.

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Bentley Graphic Founded in 1989