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Air Purge Bulb

Part Number: 300780002
HomeliteRyobiToro
Availability: 25+ in stock
Price: $4.05
Quantity:
Order within the next 3 hours
and your part ships today!

*This part replaces obsolete part #: 300780001, PS06164, 01183, 308088001, 1183 and UP04033.

Product Information
Manufacturer: Homelite, Ryobi, Toro
Product Number: 300780002
Classification: Part
Weight: 0.01 lbs.
Also Known As: Primer Bulb, Purge Bulb, Carb Primer, Carburetor Primer, Fuel Primer, Primer Bubble
Shipping: Ships Worldwide
Description:
This is an OEM replacement part,it is sold individually.
The purpose of the Air Purge Bulb is to purge all of the air from the carburetor.
It then brings fuel up through the fuel line in the tank into the carburetor.
Once the carburetor is full of fuel the Bulb will force the excess fuel back into the tank through the fuel return line.

Over time the bulb will loose it elasticity or begin to crack, it will need to be replaced at this time.

Compatibility

This part is compatible with the following machines:

Ryobi
Homelite
UT10589 18 In. 42cc Chainsaw
UT10589 18 In. 42cc Chainsaw
UT08042 Vac Attack II Blowers
UT08572 Backpacker II Blower
UT08572A Backpacker II Blower
UT08947 Vac Attack II
UT10542 14 in. 35cc Chain Saw
UT10542 14 in. 35cc Chain Saw
UT10562 16 in. 38cc Chain Saw
UT10562 16 in. 38cc Chain Saw
UT10582 18 in. 42cc Chain Saw
UT10582 18 in. 42cc Chain Saw
UT10550 45cc 18 Inch Chain Saw
UT10550 45cc 18 Inch Chain Saw
UT10552 18 Inch 46cc Chain Saw
UT10552 18 Inch 46cc Chain Saw
UT10640 14 Inch 42cc Chain Saw
UT10640 14 Inch 42cc Chain Saw
UT10660 16 Inch 42cc Chain Saw
UT10660 16 Inch 42cc Chain Saw
UT10680 18 Inch 42cc Chain Saw
UT10680 18 Inch 42cc Chain Saw
UT10781 Z3800 Chain Saw
UT10781 Z3800 Chain Saw
UT10785 Z3800c Chain Saw
UT10785 Z3800c Chain Saw
UT10868 (I3350B) 33cc Chainsaw
UT10868 (I3350B) 33cc Chainsaw
UT10878 (BCS35) 33cc Chainsaw
UT10878 (BCS35) 33cc Chainsaw
UT10861 (D3850B) 38cc Chainsaw
UT10861 (D3850B) 38cc Chainsaw
UT10886 (D3850B) 38cc Chainsaw
UT10886 (D3850B) 38cc Chainsaw
UT10865 (D3850BC) 38cc Chainsaw
UT10865 (D3850BC) 38cc Chainsaw
UT10866 (D3850BC) 38cc Chainsaw
UT10866 (D3850BC) 38cc Chainsaw
UT10887 (D3850BC) 38cc Chainsaw
UT10887 (D3850BC) 38cc Chainsaw
UT10846 (23AV) 38cc Chainsaw
UT10846 (23AV) 38cc Chainsaw
UT10884 (23AV) 38cc Chainsaw
UT10884 (23AV) 38cc Chainsaw
UT10856 (23AVW/CC) 38cc Chainsaw
UT10856 (23AVW/CC) 38cc Chainsaw
UT10858 (23AVW/CC) 38cc Chainsaw
UT10858 (23AVW/CC) 38cc Chainsaw
UT10885 (23AVW/CC) 38cc Chainsaw
UT10885 (23AVW/CC) 38cc Chainsaw
UT10888 (23AVW/CC) 38cc Chainsaw
UT10888 (23AVW/CC) 38cc Chainsaw
UT10869 (I3850B) 38cc Chainsaw
Toro
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Blower
  • • Chain Saw
  • • Cultivator
  • • Pruner
  • • Saw
  • • Trimmer
  • • Vacuum
Expand List
Questions & Answers

CHANGED THE PURGE BULB ON MY HOMELITE BLOWER AND THE HOSES TO IT CRUMBLED TO PIECES. NEED TO KNOW IF IT MATTERS WHICH SIDE U RECONNECT THE HOSES TO THE PURGE BULB AND FROM THE PURGE BULB WHICH SIDE OF THE TANK TO RUN THE HOSES. ALSO, WHICH SIDE TO CONNECT THE GAS BRICK IN THE TANK TO WHAT HOSE.
Randy for model number UT08544 HOMELITE BLOWER
Hi Randy, Thank you for your question. The lines should be connected in the same manner as the original ones. For information on how they are positioned, you will need to consult your owner's manual. I hope this helps. Thank you and have a great day!
I found this list of parts that might work on my saw. So do you think I'm right in using these parts.
J Tichy for model number UT10589
Hello J Tichy, thank you for inquiring. This Air Purge Bulb is the replacement for your model. Here is a link to all the available compatible parts to your model: https://www.ereplacementparts.com/homelite-ut10589-42cc-chainsaw-parts-c-18807_21362_202617.html.
Does this bulb, 300780002, work on my model. I don't see UT10926 on the list of comparable models. Thx
Dennis for model number UT10926 S/N ME1500371
Hello Dennis, thank you for your inquiry! We can confirm that air purge bulb 300780002 is correct for your model UT10926. I hope this information helps!
Does this part # 300780002 replace toro model # 51934B part #30780001? Thanks Rob
Rob Ritchie
Hello Rob, thank you for your inquiry! Neither part 300780002 or 30780001 is listed as compatible with model 51934B. For all compatible parts, please refer to the link below. Thank you. https://www.ereplacementparts.com/toro-51934b-brushcutter-parts-c-121776_123781_267096.html
My air purge bulb requires replacing. What is the correct part and how do you loosen the old one?
Mike for model number Toro 17inch string trimmer 51958
Hello Mike, thank you for your inquiry! The correct primer assembly is part number 300780002. I hope this information helps!
I have a homelite chain saw I need the gas cap with the prime ball in the cap the saw is the super 2.. Can't find the mobel number or sereal number
Mike
Hello Mike and thank you for writing. We would be happy to do some research to find you the correct parts. However, we need your model number and the brand name to locate any information on this. Model numbers can be short or long, and could have a mixture of numbers and letters.
Will this primer/purge bulb fit my Homelite chainsaw?
Jerry for model number UT10588
Hello Jerry, Thank you for contacting us. I have researched the model you have provided and have found the part you are looking for is Part Number: 300780003. Hope this helps!
Will this primer/purge bulb fit my Homelite UT10517 chainsaw?
Jerry for model number UT10517
Hello Jerry, Thank you for contacting us. I have researched the model you have provided and have found the part you are looking for is Part Number: 300780002. Hope this helps!
Hi I need a bulb primer can u give me a part number For
Ronald for model number Ut10901. 33cc. Chainsaw
Hello and thank you for writing. The primer bulb # 300780002 is in the list of compatible parts for your model. We hope this helps. Please contact us anytime if you require further assistance.
Repair Instructions: Submitted by Customers Like You
45 of 50 people found this instruction helpful
Tool Type:
Chain Saw
Parts Used:
Air Purge Bulb - 300780002
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
, Torx driver
air purge bulb cracked, had to be replaced
Removed the top cover. I was able to use a small screwdriver to release the locking clip of the purge bulb unit and slide it out. Swapped the 2 fuel lines to the new bulb (push on) and slipped back into place and replaced cover. Very easy.
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17 of 19 people found this instruction helpful
Tool Type:
Chain Saw
Parts Used:
Air Purge Bulb - 300780002
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Pliers, Needle Nose Pliers
Outside of air purge bulb came off
Removed carburetor/air filter cover. Squeezed tabs on inside of air purge bulb and slid outside to access fuel lines. Removed one fuel line from old purge bulb with needle nose and installed on identical position on new purge bulb. Removed second fuel line from old purge bulb and installed on new bulb. Discarded old bulb. Squeezed tabs on new purge bulb and snapped into place. Tested new purge bulb function and checked for leaks. Reinstalled carburetor/air filter cover and test ran Chainsaw
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13 of 14 people found this instruction helpful
Tool Type:
Chain Saw
Parts Used:
Air Purge Bulb - 300780002
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Chain saw purge bulb had deteriorated
1. Removed the top cover of the chain saw for access to the purge bulb housing
2. Using a small blade screwdriver for assistance, popped loose the two plastic snap-tabs of the old purge bulb plastic housing from mounting frame location
3. Disconnected the two gas lines from old bulb housing
4. Re-connected the two gas lines to new bulb housing
5. Re-inserted new purge bulb housing into the mounting frame using the small blade screwdriver for assistance where needed to depress the two plastic snap-tabs
6. Re-connected the top cover of the chain saw
7. Filled chain saw with gas and depressed new purge bulb until fluid was showing in the bulb.
8. Ready to operate !
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6 of 8 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Air Purge Bulb - 300780002
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
, Needle nose pliers.
Purge Bulb was split from age.
Removed old bulb, cleaned surface, snapped in new purge bulb, attached the two vinyl hoses, clamped, filled with fuel,purged, started and edged the yard.
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2 of 2 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Air Purge Bulb - 300780002
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Primer bulb had a split and was leaking fuel.
Simply removed the plate holding the bulb, removed the old bulb and replaced it with the new one.
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1 of 1 people found this instruction helpful
Tool Type:
Chain Saw
Parts Used:
Air Purge Bulb - 300780002
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Long nose pliers
Primer bulb was deteriated.
Took out the old bulb and snapped in the new one.
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1 of 1 people found this instruction helpful
Tool Type:
Cultivator
Parts Used:
Air Filter - 5687301
Air Purge Bulb - 300780002
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Primer bulb broke, filter was bad
1. Removed old bulb by pulling off and removing gas lines.
2. Replaced bulb by attaching gas lines; snapped bulb into place.
3. Unscrewed filter cover.
4. Replaced filter.
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1 of 1 people found this instruction helpful
Tool Type:
Chain Saw
Parts Used:
Air Purge Bulb - 300780002
Spark Plug - 870174001
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Socket set
Purge bulb cracked, hard to start.
Removed the purge bulb with a screwdriver (small), held the hoses out to connect the new one. Then, pushed in place with tabs in. Changed the spark plug with a socket wrench.
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1 of 1 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Air Purge Bulb - 300780002
Fuel Cap - 300758006
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Gas cap gasket leaking and primer bulb came apart
Removed both and replaced them with the new items
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2 of 3 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Tubing Rubber - 570574001
Air Filter - 5687301
Air Purge Bulb - 300780002
Repair Difficulty:
Easy
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Pliers
Air purge bulb and tubing was bad.
Replaced the tubing and the purge bulb. Now I am back in business with my blower.
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Reviews
4.9
Average Rating (out of 5):
16 Reviews
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  • Great service
    Part was perfect and fit easily. Thanks
    iGlobal - November 22, 2019 Verified Purchase
    worked well
    part worked great arrived when told shipping could be included in price
    ronald - November 21, 2019 Verified Purchase
    Easy repair to chainsaw
    Replacement part fit perfectly. Chainsaw started on first pull.
    Guest - October 14, 2019 Verified Purchase
    works great
    exact part fit perfect
    bradley - September 16, 2019 Verified Purchase
    Great customer service
    Exactly what I ordered. Delivery time was amazing. I will keep doing business with you
    Guest - August 13, 2019 Verified Purchase
    Replacing a purge bulb
    Exactly the part I needed. Works great. My trimmer is back in business.
    Guest - July 22, 2019 Verified Purchase
    Chain saw primer bulb
    as usual, easy to look up and quick shipping. Will always check here first for equipment parts rather than wait on local repairman to get it fixed. Thanks
    Guest - July 15, 2019 Verified Purchase
    Excellent service... rapid delivery too !!
    Excellent service... rapid delivery too !!
    Guest - June 27, 2019 Verified Purchase
    Fast shipment, good quality part
    Part arrived within a few business days of the order. Part was in excellent condition and was relatively easy to install. Unfortunately it did not fully correct the problem. Additional analysis is required.
    Guest - June 24, 2019 Verified Purchase
    Correct Part First Time
    An easy to snap into place part. Wish I had ordered some of the fuel line at the same time.
    Guest - June 11, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Homelite, Ryobi, Toro
    Product Number: 300780002
    Classification: Part
    Weight: 0.01 lbs.
    Also Known As: Primer Bulb, Purge Bulb, Carb Primer, Carburetor Primer, Fuel Primer, Primer Bubble
    Shipping: Ships Worldwide
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