Get back on the road or water, FAST!

We ship your carburetor before you send us your core!
If you're returning a core, we'll email you a free return label - just send it back within two weeks!
Questions about this carburetor - Call: 1-800-250-8746
8:00 a.m. - 5:00 p.m. EST
Phone support pauses daily from 12 PM to 1 PM

OEM 4 Barrel Rochester Mercruiser 454 cu in, 7.4 L

Your Price: $298.49

4 Barrel Rochester Mercruiser Marine Carburetor 1975-1993 (454 CID) 7.4 Liter

Part Number: 504

Year: 1975-1993

Engine: (454 CID) 7.4 Liter

Carb Make/Model: Rochester

Description: Standard with Remote Choke, Fuel Inlet Faces Side

Model: 330/370/400 - MCM/MIE/Bravo/MAG Alpha/MAG Bravo/Crusader and all inboards

Core Deposit - Required, please select *

NO CORE DEPOSIT - SEND US your carb for REBUILD & RETURN. Purchase OUR carb - I WILL return a core for refundable deposit (+$75.00) Purchase OUR carb - I will NOT return a core (+$75.00)

Base Gasket (For underneath the carburetor)

YES - Include Base Gasket (+$9.00)

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Re-manufactured OEM carb by Guaranteed Carburetors.

We use the highest quality ethanol-resistant parts.
Marine painted for corrosion protection
All units are flow bench tested
Just "Bolt on and Go"

Don't put your boating season in jeopardy using an inferior knock-off carburetor assembled overseas. This is a rebuilt, OEM Rochester.

This rebuilt carburetor has a core deposit. It is refundable when you return the core.

Looking for your carburetor number? Watch our video:

OEM 4 Barrel Rochester Mercruiser 454 cu in, 7.4 L

Choose ONLY ONE of the Core Deposit options below