Lower Unit Seal Kit 

Additional Details:

• For: 225Hp EFI/250Hp EFI (G129222 & Up), 200Hp (T801000 & Up), 200Hp Optimax DFI (G386496 & Up)
• For: 225Hp Optimax DFI (G590000-G960499), 225Hp (D280813-G437999), Models w/ "C-3 Casting"

Interchanges/Replaces

Mallory

• 9-74208

Mercury Marine

• 26-816575A4

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-8347	Chrysler/Force/US Marine 26-816464-1 Mercruiser Stern Drive 26-8164641 Mercury Marine 76384 816464 8164641	1	Shift Shaft Seal		N/A
18-2056	Chrysler/Force/US Marine 26-66302 GLM 85060 Mallory 9-76130 Mercruiser Stern Drive 26-37259 26-89237 26-96503 26-965031 Mercury Marine 26-56394 26-66302	2	Oil Seal		N/A
18-2564	Chrysler/Force/US Marine 27-430331 GLM 30090 Honda Outboard 19234-ZW1-003 Mallory 9-60020 Mercruiser Stern Drive 27-430331 Mercury Marine 27-43033 27-430331	1	Impeller Gasket		N/A
18-2566	Chrysler/Force/US Marine 27-817277 GLM 30290 Mallory 9-60023 Mercruiser Stern Drive 27-817277 27-8172771 Mercury Marine 27-817277 27-8172771	1	Impeller Gasket		N/A
18-7420	GLM 82110 Mallory 9-76565 Mercruiser Stern Drive 25-21836 Mercury Marine 25-21836 Mercury Race Outboard 25-21836 Mercury Race Sterndrive 25-21836 Mercury Sport Jet 25-21836	1	O-Ring		N/A
18-7159	GLM 83440 Mallory 9-76544 Mercruiser Stern Drive 25-31534 25-48451 Mercury Marine 25-31534	1	O-Ring		N/A
18-2077	Chrysler/Force/US Marine 26-F697555 GLM 85130 Mallory 9-76119 Mercruiser Stern Drive 26-14077 Mercury Marine 26-14077	1	Oil Seal		N/A
18-2002	Chrysler/Force/US Marine 26-76868 GLM 85130 Honda Outboard 91252-ZW1-003 Johnson/Evinrude Outboard 0320862 Mallory 9-76202 Mercruiser Stern Drive 26-30550 26-76868 Mercury Marine 26-30550 26-70019 26-73838 26-76868 OMC Stern Drive 320862	1	Oil Seal		N/A
18-0649	Mercury Marine 27-858935	1	Shift Housing Gasket		N/A
18-7117	GLM 82150 Johnson/Evinrude Outboard 303360 Mallory 9-76507 Mercruiser Stern Drive 25-35027 Mercury Marine 25-35027	1	O-Ring		N/A
18-7440-1	GLM 81170 Johnson/Evinrude Outboard 301967 Mallory 9-76574 Mercruiser Stern Drive 25-36318 Mercury Marine 25-36318	2	O-Ring		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-2599	GLM 85590 Mallory 9-43628 Mercruiser Stern Drive 26-816575A2 Mercury Marine 26-816575A2	1	Face Seal and Tool		N/A