10pcs Fuel Primer Bulb 19mm 22mm – 2 & 4 Stroke Engine Fit

10-Pack Fuel Primer Bulbs – Universal Fit for Grass Cutters, Lawn Mowers & More

Keep your small-engine garden equipment running at its best with this convenient 10-pack of replacement fuel primer bulbs. Designed for both 19mm and 22mm sizes, these transparent rubber bulbs make it easy to prime your engine quickly and confidently — every time.

Key Features

• Transparent Design: Clear rubber construction lets you instantly see the fuel level, so you always know when priming is complete.
• Excellent Elasticity & Sealing: High-quality rubber flexes with engine vibration while maintaining a tight, leak-free seal to prevent fuel loss.
• Corrosion Resistant: Made to withstand prolonged fuel contact without degrading, ensuring lasting performance season after season.
• Universal Compatibility: Fits a wide range of brush cutters, lawn mowers, hedge trimmers, and other 2-stroke and 4-stroke small garden machinery.
• Two Sizes Included: Choose Size S (19 × 15mm / 0.75 × 0.59 in) or Size L (22 × 17mm / 0.87 × 0.75 in) — stock up on both for full workshop readiness.
• Great Value: 10 bulbs per pack means you'll always have a spare on hand for quick, hassle-free maintenance.

Specifications

• Material: Rubber
• Color: Transparent
• Size S: 19 × 15mm (0.75 × 0.59 in)
• Size L: 22 × 17mm (0.87 × 0.75 in)
• Compatible Engines: 2-Stroke & 4-Stroke
• Country of Origin: Made in China

What's in the Box

• 10 × Fuel Primer Bulbs (Oil Cups)

Compatible Equipment

These primer bulbs are suitable for use with brush cutters, lawn mowers, hedge trimmers, and a variety of other small-engine garden tools that use 2-stroke or 4-stroke engines requiring a primer bulb of either 19mm or 22mm diameter.

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Frequently Asked Questions

Q: What engine types are these fuel primer bulbs compatible with?

A: These primer bulbs are designed for both 2-stroke and 4-stroke small engines commonly found in brush cutters, lawn mowers, hedge trimmers, and similar garden power tools. Always check your equipment's existing primer bulb diameter (19mm or 22mm) before installing.

Q: How do I know which size primer bulb to choose — 19mm or 22mm?

A: Measure the diameter of your existing primer bulb or check your equipment's manual. Size S (19mm) and Size L (22mm) options are both available in this pack. The transparent design makes it easy to confirm a proper fit and fuel flow once installed.

Q: Are these primer bulbs fuel-resistant and long-lasting?

A: Yes. These bulbs are made from durable, corrosion-resistant rubber specifically formulated to withstand continuous contact with fuel. Their good elasticity allows them to flex with engine vibration while maintaining a reliable, leak-free seal for extended service life.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.