Description
Moeller 033421-10 Mercury Bayonet Male Tank Fuel Fitting
The Moeller 033421-10 Fuel Fitting is a Mercury-style bayonet male tank connector designed for compatible marine fuel tank applications. Built with a metal male fitting design, this tank-end connector is used where a Mercury bayonet-style fuel line connection is required.
Key Features
- Moeller Mercury-style fuel tank fitting
- Part number: 033421-10
- Bayonet-style connector design
- Male tank fitting
- Metal construction
- Designed for compatible Mercury-style marine fuel tank connections
- Used at the fuel tank end of the fuel system
- Pairs with compatible Mercury bayonet-style female fuel line connectors
- Useful for fuel tank fitting replacement, fuel line setup, or fuel system repair
Fitment / Product Details
- Brand: Moeller
- Part Number: 033421-10
- Product Type: Fuel fitting / male tank connector
- Application: Mercury-style tank-end marine fuel connection
- Engine Types: Mercury outboard fuel systems using compatible bayonet-style tank fitting connections
- HP Range: Application-specific; match by fuel tank fitting style, connector type, fuel line connector, and fuel system setup
- Connection Location: Fuel tank end
- Connector Type: Bayonet male tank fitting
- Material: Metal
- Fitment Note: Match part number 033421-10, Mercury bayonet-style connection, fuel tank port, and matching female fuel line connector before ordering.
Expanded Fitment
- Mercury-Style Fuel Tank Applications: Use where a Mercury bayonet male tank fitting is required
- Marine Fuel Systems: Designed for compatible fuel tank-to-fuel line connection setups
- Tank-End Fuel Connections: Installs at the tank fitting location for compatible Mercury-style bayonet connectors
- Replacement Applications: Suitable for replacing worn, damaged, corroded, or missing compatible tank fittings
Why You Should Buy
- Correct Moeller fuel fitting for compatible Mercury bayonet tank-end applications
- Metal male fitting design supports durable marine fuel system service
- Bayonet-style connector pairs with matching Mercury-style female fuel line connectors
- Useful for fuel tank repair, fuel line replacement, and portable tank setup
- Best selected by part number, connector style, and fuel tank fitting requirement
Common Applications
- Mercury-style fuel tank fitting replacement
- Marine portable fuel tank connection service
- Fuel line-to-tank connection setup
- Replacement of worn or corroded tank fittings
- Fuel system repair using a Mercury bayonet male tank fitting
- Applications requiring Moeller 033421-10
FAQ
- What is Moeller 033421-10? Moeller 033421-10 is a Mercury-style bayonet male tank fuel fitting for compatible marine fuel tank applications.
- What side of the fuel system does this fitting go on? This fitting installs on the fuel tank side.
- What connector style is this? This is a Mercury-style bayonet male tank fitting.
- What material is this fitting made from? This fitting uses metal construction.
- What engine brand is this fitting for? This fitting is designed for compatible Mercury-style fuel system applications.
- What horsepower range does this fit? The HP range is application-specific. Match by fuel tank fitting style, connector type, and fuel line setup.
- Is this the male tank fitting? Yes. This listing is for the male tank fitting.
- How should I confirm fitment? Match part number 033421-10, Mercury bayonet connector style, fuel tank fitting requirement, and matching female fuel line connector before ordering.

