Sierra 18-3056 Mercury MerCruiser Water Pump Impeller

Sierra 18-3056 Water Pump Impeller

Sierra high-quality engine parts are designed to meet OEM specifications.

• For Alpha I-Generation 2 s/n D494569 & above MerCruiser Vazer
• For 30/40/45/50/60 4-stroke Bigfoot, 60 (3 cyl.) Bigfoot, 75-125 (all 3 & 4 cyl. models) A996142 & up
• For 75/90/115 4-stroke, 150 EFI 4-Stroke, V-200 (3.0L) DFI, and V-225/250 (3.0L)

Interchangeable with:

• Chrysler/Force/US Marine
• 47-430262
• EMP
• 47-01814
• GLM
• 89630
• Honda Outboard
• 19210-ZW1-003
• Mallory
• 9-45307
• MerCruiser Stern Drive
• 47-430262
• 47-43026T2
• Mercury Marine
• 47-430262
• 47-43026T2
• 47-430261
• 47-430264
• 47-43026B2

Frequently Asked Questions

What is the Sierra 18-3056 Water Pump Impeller used for?

The Sierra 18-3056 Water Pump Impeller is a replacement impeller for specified MerCruiser and Mercury Marine applications. It is listed for Alpha I-Generation 2 MerCruiser Vazer applications, several 4-stroke outboards, and specified 75-125, 150 EFI, V-200 DFI, and V-225/250 applications.

Which engines does the Sierra 18-3056 Water Pump Impeller fit?

The Sierra 18-3056 fits the listed 30/40/45/50/60 4-stroke Bigfoot, 60 3-cylinder Bigfoot, and 75-125 3- and 4-cylinder models with serial number A996142 and up. It also fits specified 75/90/115 4-stroke, 150 EFI 4-stroke, V-200 3.0L DFI, and V-225/250 3.0L applications.

Does the Sierra 18-3056 Water Pump Impeller fit MerCruiser applications?

Yes. The Sierra 18-3056 is listed for Alpha I-Generation 2 with serial number D494569 and above and MerCruiser Vazer applications. Verify your drive or engine model and serial number against the listed application information before purchasing.

What part numbers are interchangeable with the Sierra 18-3056 Water Pump Impeller?

The Sierra 18-3056 is listed as interchangeable with Chrysler/Force/US Marine 47-430262, EMP 47-01814, GLM 89630, Honda Outboard 19210-ZW1-003, Mallory 9-45307, MerCruiser 47-430262 and 47-43026T2, and Mercury Marine 47-430262, 47-43026T2, 47-430261, 47-430264, and 47-43026B2.

What should I verify before purchasing the Sierra 18-3056 Water Pump Impeller?

Verify your engine or sterndrive application and serial number against the listed fitment information. The description specifies different applications and serial-number ranges, including D494569 and above for Alpha I-Generation 2 and A996142 and up for certain 75-125 models.

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