deawater replacement fuel tank for BS Quantum 4HP–6.75HP engines — part 699374 direct-fit, OEM compatibility

deawater 699374 is a direct-fit replacement fuel tank for BS quantum small gasoline engines rated from 4HP to 6.75HP, restoring secure fuel storage and compatibility with the listed part numbers.

This replacement fuel tank is made to match OEM fit and function for a variety of small BS quantum engines. It replaces part numbers 699374, 494213, 495224, 499618 and 693377, offering a straightforward swap for equipment that needs a reliable fuel reservoir. The unit ships as a single tank and is intended for do-it-yourself maintenance or shop repairs where original-spec parts are preferred.

Will this fuel tank fit my engine model?

This tank is engineered for BS-brand quantum small gasoline engines in the 4HP to 6.75HP range. It fits models that originally used any of the listed part numbers, making it ideal for direct replacement without modification in most cases.

• Compatible with engines specifying 699374, 494213, 495224, 499618 or 693377.
• Designed for BS quantum 4HP–6.75HP small gasoline engines.
• Intended as a straight swap for original mounting points and hose connections.

How do I install this replacement tank?

Installation is a standard mechanical swap: drain fuel, remove the old tank, transfer fittings if needed, and secure the new tank in place. Basic hand tools and common workshop skills are usually sufficient.

• Drain remaining gasoline and disconnect fuel lines before removing the old tank.
• Transfer or replace fuel cap, petcock, and mounting hardware as required.
• Verify no leaks after installation and run a brief engine check at idle.

What materials and durability can I expect?

The tank is manufactured to meet the durability standards expected for small engine fuel systems, resisting ordinary wear from vibration and exposure. While not a consumable with an exact lifetime guarantee, proper installation and fuel care will maximize service life.

• Constructed to withstand vibration and typical outdoor use for small engines.
• Compatible with standard gasoline blends used in these engines.
• Replace seals or fittings when transferring components for best long-term reliability.

What do I get in the package and are there any installation tips?

The package contains one replacement fuel tank ready for installation. We recommend inspecting and, if necessary, replacing the fuel cap, gaskets, and petcock during the swap for the most trouble-free operation.

• Package includes: one deawater replacement fuel tank.
• Check and replace old hoses, clamps, and gaskets during installation.
• Follow local guidelines for gasoline handling and disposal of the old tank.

Who is this for: This fuel tank is made for owners, mechanics, and small-engine repair shops working on BS quantum 4HP–6.75HP machines that need a reliable OEM-style replacement. It suits anyone restoring older equipment or replacing a damaged tank with a part that matches the original part numbers 699374, 494213, 495224, 499618 or 693377.