Parts Catalog

Replacements
Home / Mercury / Mercury Marine [Updated: Apr. 10, 2026] / Outboard / 2 Stroke EFI / V-150 HP (2.5L) / [0T801000 THRU 1B226999] - USA - Cat.# 90-803177004 / Exhaust Manifold and Exhaust Plate

Exhaust Manifold and Exhaust Plate

Parts (45)

#Part NumberDescriptionQtyStatus
- 815791A02 GASKET SET 1 superseded
- 883511T02 POWERHEAD ASSEMBLY (150) [0T979999] & Below 1 superseded
- 883511T04 POWERHEAD ASSEMBLY (150) [0T980000] & Up 1 superseded
- 883600T02 POWERHEAD ASSEMBLY (200) [0T979999] & Below 1 superseded
- 883600T04 POWERHEAD ASSEMBLY (200) [0T980000] & Up 1 disc.
1 190506 GASKET 1
10 144791 DIAPHRAGM 1
11 16496 DEFLECTOR Water 1
12 16497A1 PLATE 1
13 78690002   GASKET 2
14 42996 SPRING (Stainless Steel) 1
15 14480 POPPET 1
16 64872 GROMMET 1
17 65848 CARRIER 1
18 991764 GASKET 1
19 18260T2 PLATE ASSEMBLY Exhaust 1
2 828343A4 PLATE KIT Exhaust Divider Exhasut 1 superseded
20 43044   PIN Dowel - Without Hole (.375 x .625) 2
21 8147011   SEAL 1 superseded
22 680101   BRACKET 1
23 878608   SCREW (#10-16 x .500) 8
24 19565   GROMMET [0T979999] & Below 1 superseded
24 19565002   GROMMET [0T980000] & Up 1
25 20553 WASHER (.406 x .734 x .063) 4
26 69254 NUT 6
27 27132 BUSHING 1
28 66727 SCREW (.312-18 x 1.250) 1
29 68783 SCREW (.312-18 x 2.50) 1
3 814754 SEAL (12.50 Inches) 1
30 66725 SCREW (.375-16 x 3.50) 3 superseded
31 812905A5 BRACKET ASSEMBLY Front 1 superseded
32 8055571 SCREW (.3125-18 x .50) 4
33 187031 WASHER 4
34 18778T GROMMET [0T979999] & Below 4 superseded
34 18778001 GROMMET [0T980000] & Up 4
35 18578T8 BRACKET ASSEMBLY Rear 1 superseded
36 126021 GROMMET [0T979999] & Below 1 superseded
36 12602002 GROMMET [0T980000] & Up 1
37 881892 SCREW (.312-18 x 1.750) 1
4 8263561 SCREW AND WASHER (.312-18 x 1.500) 17
5 881190 SCREW (.312-18 x 1.00) 2
6 687291 COVER Relief Valve 1 superseded
7 31984 SCREW (.312-18 x 1.375) 4
8 69570 SCREW (#10-16 x .750) 1
9 76451 WASHER 1