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Description
188-512-1 Primer Bulb for Poulan 530047721 PP136 PP330 Echo Chainsaw Ryobi Homelite Bolens String Trimmer Leaf Blower - 6 Pack503936601 188 512 1 Primer Bulb Key Features Package contains 6 primer bulbs. Snap in design for direct replacement. Constructed from fuel resistant polymer to prevent hardening and cracking. Dimensions: Approximately 1 5 16 in (height) x 7 8 in (outer diameter). For use with 2 cycle small engines to assist with cold starts. Replaces Cross Reference Part Numbers 188 512 1 188 512 503936601 530047721 01183 791 683974 Compatibility & Fitment Fits
503936601 / 188-512-1 Primer Bulb
Key Features
- Package contains 6 primer bulbs.
- Snap-in design for direct replacement.
- Constructed from fuel-resistant polymer to prevent hardening and cracking.
- Dimensions: Approximately 1-5/16 in (height) x 7/8 in (outer diameter).
- For use with 2-cycle small engines to assist with cold starts.
Replaces / Cross-Reference Part Numbers
- 188-512-1
- 188-512
- 503936601
- 530047721
- 01183
- 791-683974
Compatibility & Fitment
-
Fits Brands:
- Poulan
- Ryobi
- Echo
- Homelite
- Bolens
- Husqvarna
-
Fits Equipment:
- String Trimmers
- Leaf Blowers
- Chainsaws
- Brush Cutters
-
Fits Walbro Carburetor Models:
- WT-23A
- WYJ-33
- WYJ-34
- WYJ-45
- WYJ-92
- WYJ-94
-
Select Confirmed Models:
- Poulan: PP136, PP136E, PP330, PPB100E, PPB150E, PPB200, PPB250E, PPB300E, PPB350
- Ryobi: BP42
- Husqvarna: K750, K760
When to Replace
- The existing bulb is cracked, brittle, or has turned opaque.
- The bulb does not return to its original shape after being pressed.
- Fuel is leaking from or around the primer bulb.
- The engine is difficult to start and fails to draw fuel.
Installation Tips
- Disconnect the spark plug wire for safety before performing service.
- Observe or photograph the fuel line connections before disassembly.
- Use small pliers to remove the retaining clip and old bulb.
- Clean the carburetor housing surface before installing the new bulb.
- Ensure the new bulb is fully seated to create a proper seal.
- Reconnect the fuel lines to the correct inlet and outlet ports.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Awesome price for quality balls
Color: Four colors, Size: 5cm (ball only)
These balls are super bouncy and durable. My dog loves them and for the price these are totally worth it! I think they are as durable as nerf balls and equal in size, and much cheaper!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 19, 2025
★★★★★ 1
Rope comes out at the slightest force. Pointless tug toy!
Color: Four colors, Size: 6cm (with rope)
If your dog pulls on these (and why wouldn’t he?), the rope immediately comes out. Turns out they just fuse the ends of the nylon rope together, which is no match for a dog playing tug. Any dog, any level of pulling will dismantle these.
We’ve managed to reinsert the rope to a couple of these and KNOT it, which gives you a shorter rope but a toy that can withstand some play. But if I had wanted a DIY toy, I’d have used the balls and rope I already own.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
★★★★★ 3
Not for super chewers!
Color: Four colors, Size: 5cm (with rope), Color: Four colors, Size: 5cm (with rope)
These rope ball toys arrived today. My poodle puppy loves rope ball toys and playing tug of war. These didn’t last 10 minutes. For context, she is 1 y.o., 30 lbs., is not teething & has her adult teeth. She did this on her own- we were not playing tug of war at the time the toy fell apart. At least there are 3 more in the package & when the rope is done, we’ll still have the balls to play with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 4
Great for small dogs
Color: Four colors, Size: 5cm (ball only)
Durability
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
★★★★★ 5
Good and comfortable toe socks
Size: 10-12, Color: Black 5 Pairs
First time wearing toe socks. I bought them to help prevent athlete's foot between the toes, which I'm prone to getting. Being a guy, I did have some reservations because I thought they'd look silly or whatever but I went ahead and bought these since they're going inside shoes anyway. I'm so glad I did! My only complaint is that the length of the toes are a bit short. In shoes I wear a men's 11 and I ordered 10-12 in these socks. The overall length is perfect but the toes are a bit too short and won't go all the way back to my webbing in the 1st and 2nd interspaces. The other toes and interspaces are fine. It's a minor complaint and not enough to remove a star.
Overall I'm very satisfied with the product. I've suffered from Morton's Neuroma in both feet and various interspaces all of my life. I think I've finally found the solution. I've been walking 4.4 miles a day for over a month now. Something I've never been able to do. I wear these ZAKASA toe socks, along with the Dr. Wolf orthotics which have good arch support and a metatarsal arch just behind the metatarsal heads. I also wear the Bronax shoes which have a wide forefoot to let the toes spread out. The combination of the shoes, socks, and orthotics has worked wonders on my feet! No athlete's foot either! I highly recommend these ZAKASA toe socks. I've bought two 5 packs already. No regrets!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 26, 2024
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