Description
Overview:
This Genuine Part primer bulb is designed for Walbro 188-512 carburettors and many machines that use Walbro WT and WYJ series carbs, helping to restore reliable starting and smooth running. The clear, fuel‐resistant elastomer bulb with a robust black base allows you to see fuel movement while you prime, reducing air locks and improving cold‐start performance. It suits a wide range of handheld and compact machines including chainsaws and brushcutters, such as the Echo CS300 and Stihl MS250, as well as cut‐off saws like the Makita EK6100. Dimensions are approximately Diameter 21 mm and Height 33 mm, with a twin‐pipe fitting for straightforward connection on two‐line fuel systems. Made for durability and consistent operation, it's a practical service replacement that keeps equipment dependable on site or in the garden.
Key Features:
- Genuine part for Walbro 188‐512 applications and compatible WT/WYJ carb families
- Twin‐pipe base for secure connection on two‐line fuel systems
- Clear bulb for a quick visual check of fuel priming and flow
- Approx. 21 mm diameter x 33 mm height for common handheld equipment fitment
- Fuel‐resistant materials to withstand petrol and ethanol blends used in the UK
- Smooth press action for fast, repeatable priming and easier cold starts
- Helps reduce pull effort and starting time, especially after storage
- Snug sealing to minimise air leaks and maintain carburettor performance
- Simple, quick installation to cut downtime for trade, hire, and DIY users
- Suitable for chainsaws, trimmers, brushcutters, augers, and cut‐off saws
Typical Applications:
Replacing worn, cracked, or perished primer bulbs during routine servicing of chainsaws, trimmers, brushcutters, cut‐off saws, and earth augers. Ideal for restoring priming on equipment that has become hard to start after lay‐up or fuel drain‐down, helping landscapers, arborists, builders, and homeowners keep machines reliable and ready to work.
Also known as:
Fuel primer bulb, purge bulb, carburettor primer bulb, carb primer pump, primer button, fuel purge bulb.
Fits Models:
Echo: CS300, CS301, CS305, CS306, CS310, CS340, CS341, CS370, CS400, CS3000, CS3400; Flymo: XLH420, XLH550; Makita: EK6100; McCulloch: CS350, CS390, CS410, CS450, Gladiator 550, Pro-Mac 10-42, Pro-Mac 10-46, Pro-Mac 10-51, Mac Cat 838, MH542P, MT270X, MT280, MT300X, MT302X, MT320, MT330, Titanium 555, Tivoli 63, Tivoli 65, Virginia 542; Partner: HG22, HG63, HG65, HG550, P4616, PH61, 4200, 4600, 4700, 4900, 5000, 5200, 5300; Ryobi: 274-3, 275-1, 2800R, 280r, 310BVR, 320BVR, 364, 410R; Stihl: 021, 023, 025, BT120, BT121, FC44, FR350, FR450, FR480, FS36, FS40, FS44, FS120, FS200, FS250, FS300, FS400, FS450, FS480, FS500, FS550, HT250, MS150, MS181, MS192, MS193, MS210, MS211, MS230, MS250, SP200, SP400, SP450; Walbro: WT-23A, WYJ-33, WYJ-34, WYJ-45, WYJ-92, WYJ-94, WYJ-86.
Alternate Part Numbers:
WT‐23A, WT23A
Product Specifications
| L&S Part No. | 355 651 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Chainsaws, Brushcutters |
