Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 0353649 | Exhaust housing, outer - 20". 20 in. models | 1 | |
1 | 0353650 | Exhaust housing, outer - 25". 25 in. models | 1 | |
2 | 0434632 | Mount, lower | 2 | |
2 | 0434629 | Mount, lower - 150DHL only | 2 | |
3 | 0338741 | Cover, mount bracket lower | 2 | |
4 | 0301250 | Washer, screw, mount cover | 8 | |
5 | 0341013 | Screw, mount cover | 8 | |
6 | 0345776 | Spray deflector. 25 in. models | 1 | |
7 | 0911201 | Washer, spray plate - rear. 25 in. models | 2 | |
8 | 0910741 | Screw, spray plate - rear. 25 in. models | 2 | |
9 | 0301250 | Washer, spray plate - front. 25 in. models | 2 | |
10 | 0910736 | Screw, spray plate - front. 25 in. models | 2 | |
11 | 0354148 | Exhaust housing, inner, upper | 1 | |
12 | 0352824 | Screw, inner to outer housing, rear | 1 | |
13 | 0320936 | Seal, exhaust housing, lower | 2 | |
14 | 0341197 | Housing, exhaust lower inner. 20 in. models | 1 | |
14 | 0338664 | Housing, exhaust lower inner. 25 in. models | 1 | |
15 | 0320961 | Seal, gear case to inner housing | 1 | |
16 | 0314008 | Grommet, water tube | 1 | |
17 | 0335520 | Water tube, 20 in. models. 20 in. models | 1 | |
17 | 0335519 | Water tube, 25 in. models. 25 in. models | 1 | |
18 | 0341191 | Seal, water tube | 1 | |
19 | 0309484 | Screw, inner to outer housing, front | 2 | |
20 | 0349272 | Screw, inner housing to cylinder block | 1 | |
21 | 0352946 | Screw, cylinder block to outer housing | 4 | |
22 | 0330266 | Washer, exhaust housing | 6 | |
23 | 0352947 | Screw, exhaust housing to cylinder block | 6 | |
24 | 0351458 | Gasket, housing to powerhead | 1 | |