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O-Ring  25-33504

O-Ring 25-33504

Mercury MerCruiser Sterndrive Parts & Accessories
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Item No:
25-33504

Similar fits No:
Sierra - 18-7170 
SEI - 95-106-01C 
Mallory - 9-76502 
GLM - 82200 

Fits:
100 / 115 HP (4 CYLINDER) - 100 (4 CYL.)
100 / 115 HP (4 CYLINDER) - 115 (4 CYL.)
100/115/125 HP 80 JET (4 CYLINDER) - 100 (4 CYL.)


100/115/125 HP 80 JET (4 CYLINDER) - 115 (4 CYL.)
100/115/125 HP 80 JET (4 CYLINDER) - 80 JET
115 EFI (4-STROKE) - 115 EFI (4-STROKE)
115 PRO XS 1.5L - 3 CYLINDER - 115 Pro XS (3 CYL.)(1.5L)
115/125 HP 80 JET (4 CYLINDER) - 115 (4 CYL.)
115/125 HP 80 JET (4 CYLINDER) - 80 JET
115/135/150 DFI (2.5L) - V-135 DFI (2.5L)
120 HP FORCE - 120 Hp (1995)
120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 120/140 1978-1982
120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 165 1978-1981
120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 228 1978-1982
120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 470 1978-1982
120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 485 1980-1982
120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 898 1978-1982
120/140/165 STERN DRIVE - 120/140 1970-1977
120/140/165 STERN DRIVE - 165 1970-1977
135 / 150 / 175 200(2.5L) XR4/MAGNUM II - MAGNUM II
135 / 150 / 175 200(2.5L) XR4/MAGNUM II - V-175
135 / 150 / 175 200(2.5L) XR4/MAGNUM II - V-200 (2.5L) 1991 ONLY
135 / 150 / 175 200(2.5L) XR4/MAGNUM II - XR-4
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - 140 JET
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - MAGNUM III
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-135
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-140 (INTERNATIONAL)
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-150
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-200
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - XR-6
135/150 DFI (2.5L) - V-135 DFI (2.5L)
135/150/175 4-STROKE - 175 VERADO (4-STROKE)(4 CYL.)
135/150/175 DFI (2.5L) - 110 Jet (2.5L)
135/150/175 DFI (2.5L) - V-175 DFI (2.5L)
135/150/175/200 4-STROKE - 150 VERADO (4-STROKE)(4 CYL.)
135/150/175/200 XR6 MAGNUM III 105-140 JET - 105 JET
135/150/175/200 XR6 MAGNUM III 105-140 JET - 140 JET
135/150/175/200 XR6 MAGNUM III 105-140 JET - MAGNUM III
135/150/175/200 XR6 MAGNUM III 105-140 JET - V-150
135/150/175/200 XR6 MAGNUM III 105-140 JET - V-175
135/150/175/200 XR6 MAGNUM III 105-140 JET - V-200
135/150/175/200 XR6 MAGNUM III 105-140 JET - XR-6
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - 140 JET
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - MAGNUM III
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-150
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-175
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - V-200
135/150/175/200 XR6/MAGNUM III/140 JET (CARB) - XR-6
135/150/175/200/XR6/MAGNUM III - 105 JET
135/150/175/200/XR6/MAGNUM III - 140 JET
135/150/175/200/XR6/MAGNUM III - MAGNUM III
135/150/175/200/XR6/MAGNUM III - V-150
135/150/175/200/XR6/MAGNUM III - V-175
135/150/175/200/XR6/MAGNUM III - XR-6
150 / 175 / 200 XRI - V-150 (MAG/EFI)
150 / 175 / 200 XRI - V-150XRI (EFI)
150 / 175 / 200 XRI - V-175 (SKI)
150 PRO XS (2.5L) - 150 Pro XS (2.5L)
150/175/200 EFI - V-150 (EFI)
150/175/200 EFI - V-175 (EFI)
150/175/200 EFI (2.5L) - V-150 EFI (2.5L)
150/200 EFI (2.5L) - V-150 EFI (2.5L)
150/200 EFI PROMAX/SUPERMAGNUM - 150/200 EFI PRO MAX/SUPER MAG
150/200 PRO-MAX/SUPER MAGNUM (EFI) - 150 EFI PRO MAX/SUPER MAG
175 PROXS (2.5L) - 175 PROXS (2.5L)
175 XRI /175 MAGNUM 200 XRI (EFI) - V-175 (MAG/EFI)
175 XRI /175 MAGNUM 200 XRI (EFI) - V-175XRI (EFI)
175 XRI /175 MAGNUM 200 XRI (EFI) - V-200XRI (EFI)
1A-1B-1C (E-Z SHIFT) - IA/IB/IC (EZ-SHIFT) 1965-1966
1A-1B-1C STERN DRIVES - IA/IB/IC 1964
2.5XS DFI (2.5L) - 2.5XS 2.5L DFI
200 DFI 3.0L - 200 (DFI)
200 EFI PROMAX/SUPERMAGNUM - 200 EFI PRO MAX/SUPER MAG
200 OPTIMAX V6 DFI - 200 PRO XS (DFI) 3.0L
200/225 (3.0L DFI) - 200 (DFI)
200/225 (3.0L DFI) - 225 (DFI)
200/225 (3.0L)(MECHANICAL) - 225 (DFI) 3.0L
200/225 DFI (3.0L) - 200 (DFI)
200/225 DFI (3.0L) - 225 (DFI)
200/225 DFI (3.0L) - 225 (DFI) 3.0L
200/225 DFI (3.0L)(DTS) - 225 (3.0L-DFI)(DTS)
200/225/250 (3.0L) EFI - 250 (3.0L EFI)
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 200 (3.0L EFI)
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 225 (3.0L EFI)
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 225 (3.0L EFI) SEAPRO
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 250 (3.0L EFI)
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 3.0L EFI MARATHON
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 3.0L EFI SEAPRO
200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 200 PRO XS (DFI) 3.0L
200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 225 (DFI) 3.0L
200/225/250/200 PRO XS (3.0L)(MECHANICAL) - 250 (DFI) 3.0L
200XS DFI (2.5L) - 200XS DFI (2.5L)
225 (EFI) PRO-MAX/SUPER MAGNUM - 225 EFI PRO MAX/SUPER MAG
225 AND 225 SEAPRO/MARATHON (3.0L CARB) - 225 (3.0L CARB)
225 AND 225 SEAPRO/MARATHON (3.0L CARB) - 225 SEAPRO (3.0L CARB)
225 EFI PROMAX/SUPERMAGNUM - 225 EFI PRO MAX/SUPER MAG
225 PRO XS (3.0L) DFI - 225 PRO XS (3.0L DFI)
225 SPORT XS DFI (3.0L) - 225 SPORT XS (3L)
225/225 SEAPRO/MARATHON (3.0L) CARB - 225 MARATHON (3.0L CARB)
225/250 3.0L EFI - 250 (3.0L EFI)
225/250 EFI (3.0L) - 250 (3.0L EFI)
225/250 PRO XS (3.0L) - 250 PRO XS (3.0L DFI)
225-S/233 (1.32 RATIO) STERN DRIVE - 225-S 1974
225-S/233 (1.32 RATIO) STERN DRIVE - 233 1975-1977
225X EFI PROMAX - 225X EFI PROMAX
225XS / 225 SPORT XS DFI (3.0L) - 225 SPORT XS
250 EFI LONG (3.0L) - 250 LONG (3.0L)(EFI)
250 PRO XS (3.0L) - 250 PRO XS (3.0L DFI)
250 SPORTXS DFI (3.0L) - 250 Sport XS
250XB (3.0L EFI) - 250XB (3.0L EFI)
250XS / 250 SPORTXS DFI (3.0L) - 250 Sport XS
250XS / 250 SPORTXS DFI (3.0L) - 250XS (3.0L DFI)
250XS DFI (3.0L) - 250XS (3.0L DFI)
300 PROMAX/SUPER MAGNUM (3.0L) - 300 (3.0L EFI) ProMax
300 PROMAX/SUPER MAGNUM (3.0L) - 300 (3.0L EFI) SuperMagnum
300X EFI (3.0L) - 300X (3.0L EFI) PRO MAX
300XS (3.2L) - 300XS (3.2L DFI)
470 STERN DRIVE - 470 1976-1977
75/80/90/100 EFI 4-STROKE - 75 EFI (4-STROKE)
75/80/90/100 EFI 4-STROKE - 80 EFI (4-STROKE)
75/80/90/100/115 EFI 4-STROKE - 100 EFI (4-STROKE)
75/80/90/100/115 EFI 4-STROKE - 75 EFI (4-STROKE)
75/80/90/100/115 EFI 4-STROKE - 80 EFI (4-STROKE)
75/90 (4-STROKE) - 75 (4-STROKE)(BODENSEE)
75/90 (4-STROKE) - 90 (4-STROKE)
75/90 HP (3 CYLINDER) - 75 (3 CYL.)
75/90 HP (3 CYLINDER) - 90 (3 CYL.)
75/90 HP 65 JET (3 CYLINDER) - 65 JET
75/90 HP 65 JET (3 CYLINDER) - 65 JET (3 CYL.)
75/90 HP 65 JET (3 CYLINDER) - 75 (3 CYL.)
75/90 HP 65 JET (3 CYLINDER) - 90 (3 CYL.)
75/90/115 DFI - 115 DFI (3 CYL.)(1.5L)
75/90/115 DFI - 90 DFI (3 CYL.)(1.5L)
75/90/115 DFI 1.5L (3 CYLINDER) - 115 DFI (3 CYL.)(1.5L)
75/90/115 DFI 1.5L (3 CYLINDER) - 80 Jet (3 CYL.)(1.5L)
75/90/115/125 DFI 1.5L (3 CYLINDER) - 125 DFI (3 CYL.)(1.5L)
75/90/115/125 DFI 1.5L (3 CYLINDER) - 80 Jet (3 CYL.)(1.5L)
888 STERN DRIVE (1.50) RATIO - 888 1971-1977
898 (1.50 RATIO) 1228 (1.50 RATIO) 1250 (1.32 RATIO) - 250 1977
898 (1.50 RATIO) 1228 (1.50 RATIO) 1250 (1.32 RATIO) - 898/228 1977
90 HP (1995) FORCE - 90 Hp (1995)
ALPHA ONE GEN II STERNDRIVE AND TRANSOM ASSEMBLY - ALPHA ONE (GEN.II) 1991-1995
ALPHA ONE GEN II STERNDRIVE AND TRANSOM ASSEMBLY - ALPHA ONE (GEN.II) 1996-1997
ALPHA ONE GEN II STERNDRIVE AND TRANSOM ASSEMBLY - ALPHA ONE (GEN.II) 1998 AND UP
FORCE 120 HP - 120 H.P. (1996)
FORCE 120 HP - 120 H.P. (1997)
FORCE 120 HP (1998-1999) - 120 H.P. (1998)
FORCE 120 HP (1998-1999) - 120 H.P. (1999)
FORCE 75/90 - 75 H.P. (1999)
FORCE 90 HP - 90 H.P. (1996)
FORCE 90 HP - 90 H.P. (1997)
FORCE 90 HP (1998) - 90 H.P. (1998)
JP 3.0L DFI - JP 3.0L DFI
JP5 3.0L DFI - JP 3.0L DFI
K20-140-160 STERN DRIVE - 120/140 1967-1969
K20-140-160 STERN DRIVE - 160 1967-1969
MERCRUISER I STERN DRIVE UNIT - I 1963
PARTS MANUAL 300X (3.0L EFI) PRO MAX - 300X (3.0L EFI) PRO MAX
R/MR ALPHA ONE STERNDRIVE - R/MR/ALPHA ONE (Sterndrive) 1983-1990
R/MR ALPHA ONE STERNDRIVE - R/MR/ALPHA ONE (Transom Assembly) 1983-1990

 

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