Picture of Y39-4 2 barrel Rochester 17057132 marine carburetor with choke on top and two idle mixture screws

Y39-4 two barrel Rochester 17057132for MerCruiser 470 I4

Picture of Y39-4 2 barrel Rochester 17057132 marine carburetor showing throttle linkage
Click picture for close up view

MerCruiser Two Barrel Rochester Y39-4

3.7Liter470/4854 Cylinder
This remanufactured marine carburetor is a "OEM" original two barrel Rochester marine carburetor.

We need your carburetor number, engine size, and boat information.

Specify Boat Year/Make/Model and Engine Size in the Text Boxes Below

The picture below shows where to find the carburetor number. Providing us with this information will ensure that we will deliver the same carburetor as your original.

Your marine carburetor will be flow tested, calibrated and idle adjusted and be ready for easy installation.

Provide Information About Your Carburetor & Boat
* Required fields

Most common carburetor numbers for this Rochester marine carburetor, but not limited to:
1376 5990A-1
Red circle shows location of carburetor number
Picture of Y39-4 2 barrel Rochester 17057132 marine carburetor with location of carburetor number
Click picture for close up view
*Carburetor Number:
If not sure on any question below, enter (Not Sure)
*Boat Year:
*Boat Make/Model:
*Engine Size:
Additional Comments:
*Core Return:
*Where did you find us?:
Serving our valued customers for over 40 years. We use only new parts and the carburetor is coated with a long lasting Aluminum Oxide finish and then coated with black lacquer paint for extra protection. Delivering you a completely tested, calibrated, and idle adjusted carburetor. Our marine carburetors are ready for easy installation and come with a complete one year warranty.
*Base Gasket:
*I have read, understand and accept the core return policy:
I Accept Core Return Policy

Purchase Y39-4 two barrel Rochester marine carburetor from flyingfishcarburetors.com

We pay for you to return the old core from anywhere in the continental United States. The remanufactured carburetor includes UPS return shipping label. Repack your core in the box that your carburetor came in, adhere the UPS label, and give to any UPS driver or bring it to any UPS drop box.

Click here for information on core returns and refunds

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