1397-5831 Aftermarket Mercruiser Carburettor Kit (1970-77) | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Rochester 2-Barrel Carburettor Repair Kit - Replaces Part Number: 1397-5831

New aftermarket repair kit replacing MerCruiser 1397-5831 for Rochester two-barrel carburettors on Chevrolet 305 V8 marine engines. It cross-references several earlier MerCruiser kit numbers and Rochester carburettor service numbers.

⚙️ Key Features

• Direct replacement for MerCruiser 1397-5831

• Designed for Rochester two-barrel marine carburettors

• Correct service family for Chevrolet 305 CID / 5.0L V8

• Marine-grade gasket, seal and metering components

• One kit services one carburettor

🧰 Kit Contents

• Rochester two-barrel gasket and seal package - supplied under Sierra P/N 18-7075

• Needle-and-seat and metering service components - supplied under kit 18-7075

• Accelerator-pump components - supplied under kit 18-7075

• Carburettor mounting gasket - supplied under kit 18-7075

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 1397-5831 → Supersedes/cross-references 1397-5830 and 1397-5832

• 1397-7099 / 1397-8760 (related service references for specified Rochester applications)

OEM / Related Numbers:

• 1397-5830

• 1397-5832

• 1397-7099

• Rochester 7044185

• Rochester 7044187

Aftermarket / Verified Equivalents:

• Sierra: 18-7075

• GLM: 76107

• Mallory: 9-37605

🚤 Compatibility

Commonly used on:

• MerCruiser Chevrolet 305 V8 with Rochester two-barrel carburettor

Typically suits:

• Engine models:

• MerCruiser 228/230/5.0L Chevrolet 305 V8 Rochester two-barrel applications

• Other Chevrolet 305 marine packages specifically listing 1397-5831

• HP Range: Approximately 198HP - 230HP depending on calibration

• Engine Type: Chevrolet 305 CID / 5.0L carburetted V8

• Year Range: 1978 onward for the identified Rochester application

• Serial / Carburettor Identification: Confirm the Rochester carburettor number; related numbers include 7044185 and 7044187.

🔌 Function

The kit renews the wear and sealing components used to control fuel level, meter fuel through the carburettor and prevent air or fuel leaks after the carburettor is dismantled for cleaning.

Common signs of failure:

• Hard starting or the need for excessive choke

• Unstable, hanging or excessively low idle

• Fuel leaking, flooding or fuel smell around the carburettor

• Hesitation, flat spot or stalling during acceleration

• Uneven cylinder fuelling, poor power or excessive fuel consumption

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging