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Description
188-513-1 – Walbro OEM Primer Bulb Assembly (Genuine Walbro Part)
The Walbro 188-513-1 Primer Bulb Assembly is a genuine OEM replacement component designed to restore reliable fuel priming and easy engine starting on a wide range of small engine equipment. Manufactured by Walbro, this primer bulb assembly delivers dependable fuel transfer from the fuel tank to the carburetor, ensuring quick starts and smooth engine operation.
Constructed from high-quality fuel-resistant materials, the Walbro 188-513-1 is engineered to withstand exposure to gasoline, ethanol-blended fuels, UV light, and harsh outdoor operating conditions, making it an excellent replacement for worn, cracked, or leaking primer bulbs.
Product Details
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Part Number: 188-513-1
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Brand: Walbro
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Part Type: OEM Primer Bulb Assembly
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Material: Fuel-Resistant Rubber and Polymer
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Installation: Direct OEM Replacement
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Genuine Walbro OEM Part
Key Features
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Genuine Walbro OEM replacement part
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Provides reliable fuel priming for quick engine starts
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Durable fuel-resistant construction
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Resistant to gasoline and ethanol-blended fuels
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Restores proper carburetor fuel delivery
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Easy direct-fit installation
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Designed for long service life
Function
The Walbro 188-513-1 Primer Bulb Assembly manually pumps fuel into the carburetor before starting, reducing cold-start effort and ensuring consistent fuel delivery. A properly functioning primer bulb helps improve starting performance, engine reliability, and overall fuel system efficiency.
Compatible Equipment
The Walbro 188-513-1 is used on a variety of outdoor power equipment equipped with compatible Walbro carburetors, including:
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Chainsaws
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String trimmers
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Brush cutters
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Leaf blowers
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Hedge trimmers
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Pole pruners
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Edgers
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Cut-off saws
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Other small engine equipment using compatible Walbro primer bulb assemblies
Always verify your original part number and carburetor model before ordering.
Who Is This For?
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Homeowners
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Professional landscapers
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Arborists
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Small engine repair technicians
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Outdoor power equipment service professionals
Recommended Applications
Ideal for replacing cracked, hardened, leaking, or damaged primer bulbs to restore proper fuel priming and dependable engine starting.
Pros
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Genuine Walbro OEM quality
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Reliable fuel priming performance
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Fuel- and ethanol-resistant materials
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Direct-fit replacement
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Improves cold starting
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Long-lasting durability
Cons
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Fits only compatible Walbro carburetors
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Carburetor model should be verified before purchase
Comparison – Walbro 188-513-1 vs Aftermarket Primer Bulbs
Walbro 188-513-1 OEM
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Genuine Walbro manufacturing
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Precise OEM fit
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Superior material quality
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Reliable sealing and fuel transfer
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Longer service life
Generic Aftermarket Primer Bulbs
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Variable fit and quality
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May use lower-grade rubber
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Shorter lifespan
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Less consistent priming performance
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies genuine Walbro OEM parts trusted by professional landscapers, arborists, and equipment repair specialists.
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Genuine OEM Walbro components
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for Walbro and other leading outdoor power equipment brands



