The rear sheath has a code ending in 036. It is made of rubber and used in conjunction with the front sheath. For AHR, LR, and MR type pumps, the flow-through components of the pump are made of rubber. The pump body, pump cover, and transmission components are interchangeable with those of AH, L, and M type pumps. It is suitable for conveying fine particles and corrosive slurry.
| Part Name | Part Number | Material and specification | Applicable pump type |
| Rear sheath rubber | 32036 | Natural rubber | 50B-L |
| Rear sheath rubber | B1036 | Natural rubber | 1.5/1B-AH |
| Rear sheath rubber | B15036 | Natural rubber | 2/1.5B-AH |
| Rear sheath rubber | C2036 | Natural rubber | 3/2C-AH |
| Rear sheath rubber | D3036 | Natural rubber | 4/3C-AH |
| Rear sheath rubber | D3036 | Natural rubber | 4/3D-AH |
| Rear sheath rubber | E4036R | Natural rubber | 6/4D-AH |
| Rear sheath rubber | E4036R | Natural rubber | 6/4E-AH |
| Rear sheath rubber | F6036 | Natural rubber | 8/6E-AH |
| Rear sheath rubber | F6036 | Natural rubber | 8/6R-AH |
| Rear sheath rubber | E4036R | Natural rubber | 6/4R-AHRP |
