| LUBRICATION & AUXILIARY DRIVES | PART NO. | PRICE£ |
| 12/4 Dynamo drive shaft | AB78 | 120 |
| 12/4 Speedo cable (50″ overall length) | AH2 | 52 |
| 12/4 Oil pump gears (pairs) | AA106, 107 | 85 |
| 12/4 & 16/6 Starter Bendix spring – LH | L13X | 36 |
| 12/4 & 16/6 Starter Bendix spring – RH | RF10 | 36 |
| 12/4 & 16/6 Starter Bendix drive gear | | 140 |
| 12/4 & 16/6 Part exchange clutch cover plate with re-furbished ring gear | AK, EP15 | 300 |
| 12/4 Timing & dynamo gears (full set of 5 gears) | AB8,11,12,13,16 | 1175 |
| 12/4 3 Timing gears | AB8,11,13 | 825 |
| 12/4 Timing gears oil thrower | | 5 |
| 12/4 2 Dynamo gears & chain | AB12,16,AB17 | 550 |
| 12/4 Timing chain | AB10 | 220 |
| 12/4 Dynamo chain | AB17 | 220 |
| 12/4 Oil caps | AA83 | 8.50 |
| 12/4 Large head sump bolt-short – £25 set of 20 | AA141 | 1.75 |
| 12/4 Large head sump bolt-long | | 2 |
| 12/4 Sump bolt oval washer | | 0.55 |
| 12/4 Brass sump plug | AA74 | 9 |
| 16/6 Dynamo drive coupling | EL6 | 27.50 |
| 16/6 Speedo cable (64″ overall length) | EH2 | 65 |
| 16/6 Distributor drive gear sets | | 80 |
| 20/4 Starting handle spring | CEJ12 | 8 |
| 20/4 Dynamo drive shaft | CEP75 | 88 |
| 20/6 Dynamo drive coupling | DL4 | 27.50 |
| Rear axle oil 250 grade – 1 litre | | 8.00 |