Western Petroleum Vacuum Pump Assembly Spare Parts Supply:
| No | Model | Code | Name |
| 1 | W01042081 | GB/T5783-2000 | Bolt M8×25 |
| 2 | W05101008 | GB/T93-1987 | spring washer 8 |
| 3 | X06020006 | ZL240-1.5 | Bearing cap I |
| 4 | W12124653 | GB/T9877.1-1988 | Oil seal FB65×90×12 |
| 5 | W01042125 | GB/T5782-2000 | Bolt M12×45 |
| 6 | W05101012 | GB/T93-1987 | Spring washer 12 |
| 7 | W05031012 | GB/T95-2002 | Flat washer 12 |
| 8 | X06020003 | ZL240-1.2 | vacuum pump cover |
| 9 | W11214508 | GB/T3452.1-2005 | O-ring 450×7 |
| 10 | W21156213 | GB/T276-1994 | Bearing 6213-2RS |
| 11 | X06020005 | ZL240-1.4 | vacuum pump shaft |
| 12 | W08010632 | GB/T1096-2003 | Key 6×32 |
| 13 | X06020004 | ZL240-1.3 | Vacuum pump impeller |
| 14 | X06020002 | ZL240-1.1 | vacuum pump housing |
| 15 | X06020007 | ZL240-1.6 | Paper pad φ120×φ160 |
| 16 | X06020011 | ZL240-1.9 | short section |
| 17 | W41302110 | GB/T3289.38 | Rc2″ tapered union |
| 18 | X06020008 | ZL240-1.7.0 | exhaust seat |
| 19 | X06020066 | ZL240-1.8 | Rubber pad φ50×φ100 |