Volvo Penta Connector 845791

Volvo Penta 845791 is a genuine connector used as an exhaust elbow water connector on selected Volvo Penta diesel applications. Volvo Penta’s official parts shop lists 845791 as an active genuine connector part number, and current marine-parts references place it in the cooling system / induction and exhaust manifold group for TAMD30A and related diesel installations.

Key Features

• Genuine Volvo Penta part number 845791.
• Commonly described in current market references as an exhaust elbow water connector.
• Typically used with sealing gasket 859011 in this connector-to-elbow application.
• Current dealer weight references are about 0.428 to 0.448 kg.

Engine Compatibility
Current supportable references tie Volvo Penta 845791 to classic diesel applications including TAMD30A directly, and to exhaust elbow assemblies used on AQAD30A, AQAD40A, AQAD40B, AQD40A, TAMD30A, TAMD40A, TAMD40B, TMD30A, TMD40A, TMD40B, and TMD40C. As with many Volvo Penta cooling and exhaust parts, final fitment should be confirmed by serial number and assembly diagram.

Serial Number Fitment Notice
Fitment can vary by engine version, exhaust layout, and production break. Confirm Volvo Penta 845791 against your exact engine serial number and parts schematic before ordering to ensure the correct connector for your setup. Volvo Penta’s official parts resources direct owners to identify the engine, shield, or drive when selecting genuine parts.

When This Part Needs Replacement
Replace this connector when the original part is corroded, leaking, cracked, pitted, or removed during exhaust elbow or cooling-water service. It is also a smart replacement item when servicing the related elbow assembly, especially if the sealing surface no longer supports a dependable gasket seal.

Installation Notes
Match the connector to the exact engine and exhaust assembly before installation. Use the correct gasket, inspect the mating faces for corrosion or distortion, and verify the connector is being installed with the correct elbow and hardware arrangement for the application. Current parts references consistently associate gasket 859011 with this connector.

Alternate/Superseded Part Numbers
Current market references commonly associate this connector with earlier Volvo Penta numbers 84579 and 845528 in replacement listings. The cleanest ordering reference remains Volvo Penta 845791.

Parts Desk Insight
This is one of those Volvo Penta cooling and exhaust connectors that is easy to overlook during elbow service, but it can become the source of repeat leaks when corrosion builds up around the sealing face. Replacing the connector and gasket together during exhaust-side service is often the cleanest way to avoid rework on older TAMD, TMD, and AQAD diesel setups.

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