Volvo Penta 21666983 Coolant Expansion Tank for D3 Marine Diesel - Used

Volvo Penta coolant expansion tank (P/N 21666983) for D3-series marine diesel engines (D3-110 / 130 / 160 / 190 / 220). Includes pressure cap and coolant level sensor pigtail. Condition: Used take-off, intact with normal service wear; drained and ports capped for shipping. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.