New Marine Bearing Compatible With Carrier O-Ring 1994-2001 Mercury V6 3L Carb 225Hp Sea Pro 225Hp

BEARING CARRIER / BELL HOUSING O-RING — MERCURY V6 OUTBOARDS:

3.850 I.D. x 0.210 WIDTH — PROPELLER SHAFT BEARING CARRIER LOWER UNIT SEAL:
Per Mercury Marine documentation, this O-ring serves the propeller shaft bearing carrier (also called bell housing) sealing position in the lower unit / gearcase of Mercury V6 DFI and EFI outboards. This is a routinely-replaced wear part during gearcase service, prop shaft seal replacement, and bearing carrier removal.

MERCURY V6 3.0L OUTBOARD APPLICATIONS (3.625 BORE):
• Mercury 225 HP V6 3L 2-Stroke Outboard (1994-2001)
• Mercury EFI 225 HP V6 3L Outboard (1994-2006)
• Mercury EFI 250 HP V6 3L Outboard (1994-2006)
• Mercury Pro Max 300 HP V6 3L Outboard (1998-2005)
• Mercury XB 250 HP V6 3L Outboard (2000-2004)
• Mercury Carb Sea Pro 225 HP V6 3L Outboard (1995-2001)

MERCURY V6 OPTIMAX / PRO XS / XS APPLICATIONS (3.6265 BORE):
• Mercury Optimax 200 HP V6 3L Outboard (1997-2006)
• Mercury Optimax 225 HP V6 3L Outboard (1998-2006)
• Mercury Optimax 300 HP V6 3L Outboard (2015-2018)
• Mercury Pro XS 225 HP V6 3L Outboard (2004-2006)
• Mercury Pro XS 250 HP V6 3L Outboard (2006)
• Mercury Pro XS 150 HP V6 2.5L Outboard (2010-2018)
• Mercury Pro XS 175 HP V6 2.5L Outboard (2008-2018)
• Mercury XS 300 HP V6 3.2L Outboard (2006-2017)

EXTENDED OEM APPLICATIONS (Per Mercury Marine):
• MerCruiser Bravo I Sterndrive Bearing Carrier
• Mercury / Mariner Verado 4-Cyl / 6-Cyl 135-300 HP Gearcase
• Mercury / Mariner L4, L6, V6 65-225 HP Gearcase
• Mariner Outboard Models Requiring 25-31534 by Part Number
• MerCruiser MC1/R, MR/Alpha One, Alpha One Gen II, Bravo I, Bravo II

O-RING SPECIFICATIONS:
• Inside Diameter (I.D.): 3.850 Inch
• Width / Cross-Section: 0.210 Inch
• Material: Nitrile (NBR) Standard Marine Grade Rubber
• Color: Black
• Type: Propeller Shaft Bearing Carrier O-Ring

FUNCTIONAL APPLICATION — BEARING CARRIER SERVICE:
Per Mercury Marine: this O-ring serves the propeller shaft bearing carrier sealing position on Mercury V6 DFI/EFI outboard lower units (gearcases) and MerCruiser Bravo I sterndrive bearing carrier locations. Routinely replaced during prop shaft seal service, bearing carrier removal/installation, gearcase rebuilds, and lower unit overhauls. Mercury specifies replacement of these O-rings whenever the bearing carrier is removed for service.

OEM SUPERSESSION CHAIN:
• Original: 25-48451 / 48451
• Supersession: 25-31534 / 31534
• Current Production: 8M0214920 / 25-8M0214920
All numbers reference the same functional bearing carrier O-ring per Mercury Marine.

SERVICE WHEN:
• Replacing Propeller Shaft Seals
• Removing Bearing Carrier for Service
• Lower Unit / Gearcase Rebuild
• Diagnosing Lower Unit Oil Leaks
• Annual Maintenance on Mercury V6 DFI/EFI
• MerCruiser Bravo I Bearing Carrier Service

FITMENT NOTE:
This is an OEM-spec replacement Bearing Carrier O-Ring with extensive cross-application across Mercury V6 outboards (DFI, EFI, Optimax, Pro Max, Pro XS, XB, Sea Pro variants from 1994-2018) and MerCruiser Bravo I sterndrives. ALWAYS verify the OEM part number 25-31534 (or supersession 8M0214920, or original 25-48451) from your service manual before ordering.