Mercruiser 2 Barrel Carburetor Mounting Gasket MC47-27-70143
$6.00
Carburetor Base gasket for Mercruiser TBI adapters and Mercarb marine carburetors.
Barr MC47-27-70143 MerCruiser 2-Barrel Carb Gasket
The Barr Marine MC45-27-70143 is a 2-barrel carburetor gasket that lets you mount various marine carburetors and TBI adapters, giving them a tight seal against the intake for reliable performance. If the gasket on your carburetor needs replacing, you can get an upgrade from us. As an aftermarket MerCruiser two-barrel carburetor part, from one of the industry leaders, it’s made to identical — or better — specs as the OEM carb gaskets.
See below for more information on what engines and carburetors this gasket is compatible with. Our knowledgeable staff can answer any further questions. Most orders ship the same day from the nearest warehouse where the gasket is in stock.
This base marine carburetor gasket prevents air leakage for the correct air-fuel mixture.
Fits most MerCruiser engines with a two-barrel Mercarb carburetor or TBI adapter, including the 3.0L, 4.3L, 5.0L, 5.7L and 350 MAG.
Replaces Mercury OEM part numbers 27-8079821 and 27-70143-1
Most in-stock orders ship within 24 hours. Orders placed by 1:00 PM EST typically ship the same business day, subject to availability.
Average delivery time within the Continental U.S. is 3–7 business days.
Expedited shipping options are available on select products. Weekend delivery is not available.
Oversized items, drop-shipped products, and shipments to Alaska, Hawaii, or international destinations may require additional time or shipping costs.
Tracking information is emailed once your order ships.