Block Off Kit Oil Injection - Mercury / Mariner 225 HP V6 3L (1994-2001) OEM# 434531 | WSM 825-505K

Block Off Kit Oil Injection Mercury / Mariner 225 Hp V6 3L 94-01 OEM# 434531

This WSM block off kit oil injection is a quality aftermarket replacement part designed for Mercury 6 Cyl 3.625 Bore 3L 225 and 1 other compatible model.

It replaces selected OEM reference numbers including 434531 and is suitable for service, repair and rebuild work.

Key Features

• Quality aftermarket replacement part from WSM
• Engineered for dependable fit, function and service life
• Designed for marine and powersports repair and maintenance
• Compatible with 15 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 825-505K
• Product: Block Off Kit Oil Injection
• OEM Reference: 434531
• Application: Mercury 6 Cyl 3.625 Bore 3L 225 and 1 other compatible model

Product Fitment

This part is suitable for the following models:

• Mercury 6 Cyl 3.625 Bore 3L 225 – 1994
• Mercury 6 Cyl 3.625 Bore 3L 225 – 1995
• Mercury 6 Cyl 3.625 Bore 3L 225 – 1996
• Mercury 6 Cyl 3.625 Bore 3L 225 – 1997
• Mercury 6 Cyl 3.625 Bore 3L 225 – 1998
• Mercury 6 Cyl 3.625 Bore 3L 225 – 1999
• Mercury 6 Cyl 3.625 Bore 3L 225 – 2000
• Mercury 6 Cyl 3.625 Bore 3L 225 – 2001
• Mercury 6 Cyl 3L Carb Sea Pro 225 – 1995
• Mercury 6 Cyl 3L Carb Sea Pro 225 – 1996
• Mercury 6 Cyl 3L Carb Sea Pro 225 – 1997
• Mercury 6 Cyl 3L Carb Sea Pro 225 – 1998
• Mercury 6 Cyl 3L Carb Sea Pro 225 – 1999
• Mercury 6 Cyl 3L Carb Sea Pro 225 – 2000
• Mercury 6 Cyl 3L Carb Sea Pro 225 – 2001

Why Buy WSM

WSM is a trusted manufacturer of aftermarket marine and powersports parts, known for dependable quality, strong fitment coverage and workshop-ready replacement components.

You May Also Need

Browse related parts for compatible models:

• Water Pump Impeller Mercruiser / Mercury / Mariner / Honda 30 - 350 Hp OEM# 19210-ZW1-003 – 700-155
• Water Pump Kit Complete Mercury / Mariner / Mercruiser 225 / 250 Hp OEM# 18-3147 – 750-155-01
• GrommetWater Pump Housing Mercury / Mariner / Mercruiser 30 / 300 Hp OEM# 18-2599 – 770-155
• Water Pump Impeller Key Mercury / Mariner / Mercruiser 30 / 300 Hp OEM# 8M0032833 – 770-155-01

Please use the fitment guide, OEM references and images to confirm this is the correct part before ordering.