Save hundreds in dealer fees – install this genuine Mercury Marine GASKET 2,7,8COMPONENT OF [27- 78028A78] GASKET SET :COMPONENT OF [46- 77177A 3] PUMP REPAIR KIT :COMPONENT OF [26- 79831A 1] SEAL REPAIR KIT yourself. Our parts experts provide guidance if needed, and you get OEM quality at discount pricing.

Designed and manufactured to Mercury Marine OEM standards, this pump ensures reliable operation across all engine RPM ranges. Part number 19553 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Cut-rate alternatives might look similar, but they’re not engineered to Mercury’s exacting standards. Part 19553 delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

FITS: 30-45HP MARINER, MERCURY

• Fits MARINER, MERCURY 30-45HP engines
• Compatible HP: 30HP, 35HP, 40HP, 45HP
• Covers 16 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

30HP Models

• 30HP JET (Mariner): 0C159200-0G589999
• 30HP JET (Mercury): 0C159200-0G589999

35HP Models

• 35HP OUTBOARD (Mercury)

40HP Models

• 40HP OUTBOARD (Mariner)
• 40HP OUTBOARD (Mercury)

45HP Models

• 45HP OUTBOARD (Mariner)
• 45HP OUTBOARD (Mercury)

Need help finding your serial number? Check our serial number location guide for step-by-step instructions on locating it on your Mercury engine.

Verification & Support

Verify part 19553 works with your Mercury using our parts finder tool. Have questions? Reach out using the contact buttons at the bottom of this page — our team is here to help by text, call, or email

Trusted marine parts specialist since 1985. Competitive pricing, same-day shipping on most orders.