Volvo Penta 866761 Cooling System Pressure Cap - New Old Stock

Volvo Penta 866761 cooling system pressure cap — new old stock, pulled from an original Volvo parts bag with the factory label reading "VOP 866761 / PRESSURE CAP". Two-lug bayonet style cap in yellow zinc-plated steel, cap body marked FX, "700" and MADE IN FRANCE, with multilingual TURN TIGHT / REMOVE SLOWLY instructions. The "700" marking suggests a 0.7 bar (approximately 10 psi) opening pressure; this is read from the cap and has not been bench-verified or confirmed against OEM documentation.

Application: sold as a Volvo Penta service part under P/N 866761 for marine cooling system / expansion tank / heat exchanger filler necks. The specific engine applications are not verified from OEM documentation — measure your filler neck and confirm by engine model and serial number.

Condition: new old stock, unused, seals supple and plating bright; not pressure tested.

Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase.

Quote is subject to final fitment confirmation by engine/transmission serial number, part number, photos, and supplier availability.