4-Pack 12538108660 12538146730 Primer Bulb for Echo SRM225 SRM210 GT225 SRM211 SRM230 SRM231 SRM265 GT200 GT210 GT230 PPF210 PB200 PE200 PE225 PE230 String Trimmer Blower Weedeater

What It Is

This is a 4-pack of replacement primer bulbs for Echo 2-stroke handheld equipment, including string trimmers, blowers, and edgers. The primer bulb primes the carburetor with fuel to help start the engine.

Fitment & Compatibility

• Direct OEM replacements for Echo part numbers 12538108660 and 12538146730.
• Fits models: SRM225, SRM210, GT225, SRM211, SRM230, SRM231, SRM265, GT200, GT210, GT230, PPF210, PB200, PE200, PE225, PE230 (string trimmers, blowers, weedeaters).
• Check before buying: Measure the bulb’s outer diameter (typically ~0.7 inches) and the nipple diameter (~0.25 inches). Verify your current bulb has two small nipples (not a single large one). Aftermarket, not OEM—quality is generally on par but not identical.
• If your model isn’t listed, cross-reference your Echo part number with 12538108660 or 12538146730. These bulbs also work on some Shindaiwa and Tanaka models with the same part.

Key Things to Know

• Installation difficulty: Easy—takes 2–5 minutes. Use a small flathead screwdriver to gently pry out the old bulb, then push the new one in until it seats flush. No tools required beyond that.
• Common gotcha: The bulb’s nipple can tear if you force it into the housing. Lubricate with a drop of 2-cycle oil or soapy water for easier insertion. Also, ensure the fuel line is not cracked or blocked—if it is, replace the line too.
• Quality: These are aftermarket but have good reviews (4.7 stars from 217 ratings). Some users report slightly softer rubber than OEM, but it works fine. The 4-pack means you have spares for future failures.
• Durability: Expect 1–2 years of regular use per bulb before it hardens or cracks from fuel exposure. Keep the spares in a cool, dry place.

Should You Buy It

If you own multiple Echo trimmers or blowers that use this bulb, or want spares on hand, this 4-pack is a solid value at $6.89. It’s ideal for DIY maintenance—installation is quick, and the reviews confirm it fits and works well. Skip it if you prefer OEM parts for critical equipment, but for most users, this aftermarket option saves money without hassle.