Buy Mercury parts database
Fuel Pump
(1990) - 90LD90C
Parts Diagram | ## | Part # | Description | Qty | Notes |
![Mercury Force 90 H.P. 1990 L-Drive Fuel Pump parts diagram](/parts/outboard.motors/mercury/images/sm.mercury-force-90-h-p-1990-l-drive-parts-2.fuel-pump-5.jpg) | 1 | 27-820500A3 | Gasket, transfer cover | 5 | replaces F40223 |
2 | 817870A1 | Cover, fuel pump w/plug | 1 | discontinued |
3 | 10-98254 | Screw, 1/4 - 20 x 5/8 | 4 | replaces F1502 |
4 | 27-F658803 | Gasket, spacer plate | 1 | |
5 | 11-79989 | Nut, 10 - 24 | 2 | replaces F1473 |
6 | F658836 | Spacer | 1 | |
7 | 27-820490 | Gasket, fuel pump | 1 | replaces F438760 |
8 | F438747 | Diaphragm, fuel pump | 1 | |
9 | F686096 | Retainer, booster spring | 1 | |
10 | 24-F686300 | Spring, pump boost | 1 | |
11 | 10-28430 | Screw, 6 - 32 x 1/4 | 2 | replaces F1860 |
12 | 21-F177330 | Valve, fuel pump | 3 | |
13 | 27-F84792 | Gasket, center valve | 1 | |
14 | 819843T1 | Body, fuel pump | 1 | discontinued, replaces FA686431 |
15 | 13-26996 | Lock washer | 2 | replaces F1975 |
16 | 10-41069 | Screw, 10 - 24 x 3/4 | 3 | replaces F1648 |
17 | 13-26992 | Lock washer | 4 | replaces F8083 |
18 | 10-F1504 | Screw, 1/4 - 20 x 1-1/4 | 4 | |
19 | 22-64705 | Fitting | 1 | replaces F438801 |
20 | 27-823606 | Gasket, fuel pump bowl | 1 | replaces F438617 |
21 | 35-F438653 | Screen, fuel pump | 1 | |
22 | 817066 | Bowl, sediment | 1 | discontinued, replaces F438500 |
23 | 22-F404314 | Elbow, recirculating | 1 | discontinued |
| 817919A1 | Fuel pump complete | 1 | discontinued |
Parts list covers the following S/N:
90LD90C