Mercury MerCruiser 2-Barrel Carburetor Repair Kit 823427A1
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Mercury MerCruiser Quicksilver 823427A1 is a genuine OEM Rochester 2-barrel carburetor repair kit for older MerCruiser GM-based 4-cylinder and 6-cylinder engines. Mercury’s current product listing identifies this kit for 1964–1983 MerCruiser 4- and 6-cylinder engines made by GM and describes it as an all-in-one carburetor repair package.
Key Features
- Genuine Mercury MerCruiser / Quicksilver OEM part number 823427A1.
- Designed for Rochester 2-barrel carburetors.
- Mercury’s official listing says the kit includes gaskets, accelerator pump, inlet needle and seat, and fuel filter.
- Mercury’s official listing also specifies a 74-micron nylon mesh cloth filter element.
- Current dealer listing shows approximate packaged specs of 0.30 lb, 6.40 in x 2.10 in x 7.20 in.
Engine Compatibility
The strongest supportable fitment for 823427A1 is 1964–1983 MerCruiser 4-cylinder and 6-cylinder GM-based engines using the Rochester 2-barrel carburetor. Broader current cross-reference listings also connect this kit with older MerCruiser inline applications including 90, 110, 120, 140, 2.5L, and 3.0L families, but the safest match is the exact carburetor and serial-specific application rather than engine size alone.
Serial Number Fitment Notice
Verify fitment by exact engine serial number and carburetor model before ordering. Mercury’s official product page specifically directs users to the owner’s manual or service manual for exact application confirmation, which is especially important on older carbureted MerCruiser engines where similar Rochester units can use different internal service parts.
When This Part Needs Replacement
This kit is typically used when the carburetor is leaking, running rough, stumbling off idle, or being rebuilt as part of fuel-system service. That guidance is a practical service inference based on Mercury identifying 823427A1 as a complete Rochester 2-barrel carburetor repair kit with the core wear-and-service components included.
Installation Notes
Install 823427A1 only after confirming the exact Rochester 2-barrel carburetor application on the engine being serviced. Current Mercury references position this as the correct rebuild kit for the covered MerCruiser GM 4- and 6-cylinder carburetor family, and Mercury directs users to the service manual for specific replacement instructions.
Alternate/Superseded Part Numbers
Current dealer references associate 8872, 8873, 2067, 2631, 2634, 2637, 3459, 3464, 7542, 7543, and 7547 as earlier or related OEM numbers connected to 823427A1. Broader cross-reference sources also show related aftermarket references including 18-7746, 18-7070, GLM76068, and GLM76075.
Parts Desk Insight
This is one of those kits where the carburetor style matters more than the engine label. Matching 823427A1 to the exact Rochester 2-barrel setup first usually saves a lot of hassle, especially on older MerCruiser engines that may have had carburetor swaps over the years.
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Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
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