188512 Primer Bulb for Walbro 1885121 791683974 22424201 53004772 5 Pieces

Product Overview

This primer bulb is a critical component for priming the carburetor with fuel before starting small engines. It is a direct replacement for Walbro primer bulbs used on chainsaws, trimmers, and blowers. The soft rubber construction creates a reliable seal and provides consistent priming action for easy engine starts.

Key Features & Performance

• Flexible, durable rubber compound resists fuel and ozone damage
• Direct fit replacement for multiple Walbro OEM part numbers
• Designed to restore proper primer function on aging equipment
• Simple push-in or clamp-style installation
• Pack includes 5 primer bulbs for multiple replacements or spares

Common Uses

• Replacing worn or cracked primer bulbs on chainsaws
• String trimmers and edgers with Walbro carburetors
• Leaf blowers and handheld outdoor power tools
• Small engines where primer bulb has lost elasticity or leaks

Technical Specifications

• Part Number(s): 188-512, 188-512-1, 791-683974, 224242-01, 53004772
• Material: Flexible rubber
• Quantity: 5 pieces per pack
• Fits: Walbro carburetor primer bulb ports (standard size)

Frequently Asked Questions

Q: How do I know if my primer bulb needs replacement? A: If the bulb is cracked, hardened, or fails to return to its original shape after pressing, it should be replaced to ensure proper fuel priming.

Q: Are these primer bulbs universal fit for all Walbro carburetors? A: These bulbs are designed to fit most standard Walbro carburetor primer ports, but verify the port size and shape of your specific model for best results.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.