Volvo Penta Nipple 479978

Volvo Penta 479978 is a genuine OEM nipple used in selected Volvo Penta cooling or air-compressor related assemblies. Volvo Penta’s official parts shop lists 479978 simply as nipple, while current dealer listings confirm it remains an active genuine part number. Public schematic references also associate this part with hot water outlet and air compressor diagram contexts, so the safest customer-facing description is to position it as a genuine Volvo Penta nipple for serial-number-confirmed use.

Key Features

• Genuine Volvo Penta part number 479978
• Official Volvo Penta description: nipple
• Used in selected cooling / hot water outlet / air-compressor related assemblies
• Current dealer weight reference: 0.0600.062 kg
• Current public references note earlier number 961654 in supersession-style listings.

Engine Compatibility

Public fitment details for 479978 are not consistent enough to support a clean model-by-model marine application list with confidence. The strongest supportable guidance is that this nipple appears in Volvo Penta hot water outlet and air-compressor related schematic contexts and should be matched by exact engine serial number and parts diagram before ordering.

Serial Number Fitment Notice

Volvo Penta fitting and nipple fitment can vary by engine family, cooling layout, compressor arrangement, and production break. Confirm part number 479978 against your exact engine, shield, or drive serial number before ordering. Volvo Penta specifically directs users to identify the engine, shield, or drive when selecting genuine parts.

When This Part Needs Replacement

Replace this nipple when the original part is corroded, damaged, leaking, cracked, blocked, or removed during service and no longer provides a dependable connection. It is also smart to replace it when the surrounding cooling or compressor-related assembly is already apart and the original fitting shows age or thread wear.

Installation Notes

Install only after confirming the exact application by serial number and schematic. Inspect the threads, sealing surfaces, and connected hose or pipe arrangement before installation. Because public references place 479978 in more than one assembly context, matching it to the correct Volvo Penta diagram is the cleanest way to avoid ordering the wrong fitting.

Alternate/Superseded Part Numbers

Current public seller references commonly show 479978 as the active ordering number, with 961654 noted as an earlier superseded-from reference. The cleanest genuine ordering reference remains Volvo Penta 479978.

Parts Desk Insight

Small OEM nipples and fittings are easy to overlook, but they often matter because they sit in assemblies where a leak or wrong thread match can hold up the whole repair. With a part like 479978, the best move is to match by exact serial number and diagram position rather than by the word nipple alone, since public references tie it to more than one Volvo Penta assembly context.

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