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Description
503936601 188-512 Primer Bulb Fuel Lines Tune-Up Kit for Husqvarna Trimmer, Chainsaw - 4 Pack503936601 188 512 Primer Bulb with Fuel Lines Key Features Package includes 4 primer bulb assemblies and 4 fuel lines. Direct replacement for specified part numbers. Snap in design for straightforward installation. Bulb primes the carburetor to assist with cold starts. Replaces Cross Reference Part Numbers 503936601 530047721 188 512 188 512 1 01183 791 683974 Compatibility & Fitment Brand: Husqvarna Chainsaw Models: 235, 236, 240, 340, 345, 350, 353,
503936601 / 188-512 Primer Bulb with Fuel Lines
Key Features
- Package includes 4 primer bulb assemblies and 4 fuel lines.
- Direct replacement for specified part numbers.
- Snap-in design for straightforward installation.
- Bulb primes the carburetor to assist with cold starts.
Replaces / Cross-Reference Part Numbers
- 503936601
- 530047721
- 188-512
- 188-512-1
- 01183
- 791-683974
Compatibility & Fitment
- Brand: Husqvarna
- Chainsaw Models: 235, 236, 240, 340, 345, 350, 353, 435, 440, 445, 450, 455, 455 Rancher, 460
- Blower Models: 125B, 125BX, 125BVX, 225BX, 225HBV, 356BF, 356BT
- Trimmer Models: 123L
- Power Cutter Models: K750, K760
When to Replace
- Primer bulb is cracked, hazy, or brittle.
- Bulb does not return to its original shape after being pressed.
- Engine is difficult to start or requires excessive priming.
- Visible fuel leaks from or around the bulb assembly.
- Fuel lines are clogged, cracked, or have deteriorated.
Installation Tips
- Drain all fuel from the tank before beginning work.
- Note the orientation and routing of the old fuel lines before removal.
- Ensure the new primer bulb snaps securely into the housing to prevent leaks.
- Cut new fuel lines to match the length of the original lines.
- After installation, prime the bulb and check for any fuel leaks before starting the engine.
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
4.4 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Comfortable fit, true to size
Size: 14, Color: Black and White - Short Sleeve, Size: 14, Color: Black and White - Short Sleeve
This shirt was great and went well with my son’s costume!!! It is made of nice material. Comparable to Children’s Place…fit my son perfectly and is true to size ( we got an XL). I would def buy again, but maybe in a different color… great product highly recommend!!
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Such a cute shirt
Size: 3, Color: Multicolor - Long Sleeve
Amazing shirt honestly such good quality. Got it for my 2yo's Halloween costume but he wears it on the daily and it's held up quite well. The colors are bright and don't bleed in the wash.
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Reviewed in the United States on March 6, 2026
★★★★★ 5
Perfect Pugsley Shirt!!!
Size: 6, Color: Black and White - Short Sleeve, Size: 6, Color: Black and White - Short Sleeve
I am that mom that makes her family dress up as a group for Halloween. I let my kids pick their own outfits for school/day, but at night we dress up as a family. Every year I pick a different group outfit, this year it's Adam's Family.
My son is 4 years old and in a 5T (he's big for his age). I would say the shirt fits like a 5-6 but may be snug if your little one is on the verge of size 7. I decided to size up since there wasn't a 5T option and glad I did!
The material isn't thick but not super thin either, the thickness of a standard cotton tee. The white stripes are not see through. The shirt is a perfect match for the Pugsley costume. I'm so glad i purchased this vs the entire costume since my son has black shorts. My son said it was comfortable.
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Reviewed in the United States on October 19, 2023
★★★★★ 5
Fit perfectly
Size: 2, Color: Multicolor - Long Sleeve
This was a perfect little shirt to go under a pair of overalls for a Chucky costume.
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Reviewed in the United States on December 3, 2025
★★★★★ 4
Large but great for chucky costume
Size: 2, Color: Multicolor - Long Sleeve
Got this for my sons second birthday (he’s a Halloween baby) and is going to be chucky! It’s huge on him but under overalls it will be fine
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Reviewed in the United States on September 26, 2023