ECHO Red Armor 2-Cycle Oil 13 oz Bottles 12-Pack — 50:1 Pre-Measured for 5-Gallon Fuel

ECHO Red Armor 2-Cycle Oil comes in a 12-pack of 13 oz bottles formulated to mix at a 50:1 ratio, supplying the correct 12.8 oz oil for five gallons of fuel.

This genuine ECHO OEM oil (part #6550005) is designed for small two-stroke engines and packaged as a convenient 12-pack so you can prepare multiple fuel mixes without measuring or long-term storage concerns. Each 13-ounce bottle delivers the approximate quantity of oil needed to treat a 5-gallon gasoline container at the common 50:1 blend ratio. The product is intended for outdoor power equipment that specifies a 2-cycle oil blend; always check your engine manual for the recommended oil type and mix ratio.

How much fuel will one bottle mix at a 50:1 ratio?

One 13 oz bottle contains roughly the oil volume required to mix one 5-gallon fuel can at a 50:1 ratio. The packaging size is chosen to match that specific mixing need, minimizing leftover oil and reducing waste.

• One bottle ≈ 13 ounces of oil.
• 50:1 ratio requires about 12.8 oz oil per 5 gallons of gasoline.
• Each bottle is intended to treat one 5-gallon container precisely.

What engines and tools is this oil suitable for?

This Red Armor blend is made for two-stroke engines that call for a premium 2-cycle oil mixed into gasoline. It’s commonly used in handheld and small outdoor equipment from manufacturers that approve petroleum-based or blended 2-cycle lubricants.

• Ideal for chainsaws, trimmers, blowers, and edgers with 2-stroke motors.
• Works where the manufacturer specifies a 50:1 mix ratio.
• Genuine OEM part ensures compatibility with Echo-branded engines when specified.

How should I store and handle the 12-pack for best results?

Keep bottles sealed and stored upright in a cool, dry area away from direct sunlight and heat sources. Use one bottle per 5-gallon gas can to avoid long-term exposure of mixed fuel to air; dispose of any leftover mixed fuel according to local regulations.

• Store at moderate temperatures, away from flames or sparks.
• Keep bottles upright to prevent leaks and preserve seal integrity.
• Label treated fuel and use within recommended storage time for gasoline blends.

Are these genuine OEM bottles and what does part number 6550005 mean?

Yes, this listing is for genuine Echo OEM Red Armor oil, part number 6550005. Purchasing the OEM part number helps ensure you receive the exact formulation and packaging Echo specifies for engine compatibility and warranty considerations.

• Genuine Echo part #6550005 printed on packaging.
• Sold as a 12-pack for repeated use and convenience.
• Packaging and formulation align with Echo's OEM recommendations.

Who is this for? This 12-pack of ECHO Red Armor 2-cycle oil is aimed at homeowners, landscaping professionals, and equipment rental operators who regularly prepare 5-gallon fuel mixes for 2-stroke tools. If you use hand-held or small-engine equipment that calls for a 50:1 fuel-to-oil ratio, want the convenience of single-use bottles that match one 5-gallon can, and prefer genuine OEM parts, this product simplifies mixing and keeps maintenance consistent.