This is an authentic OEM sourced replacement primer bulb assembly designed for use with Homelite and Ryobi handheld lawn and garden equipment. This bulb system allows user to get fuel into the carburetor for cold starting. At some time the primer will lose its elasticity or crack requiring replacement. It is made from flexible rubber material in a plastic housing and it is sold individually.
Troubleshooting
This part works with the following brands:
Ryobi
Homelite
This part works with the following products:
Chainsaw
Part# 300780003 replaces these:
300780003,
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Customer Part Reviews
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5.0
Average Rating (out of 5):
★★★★★
★★★★★
(5 Reviews)
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★★★★★
★★★★★
Perfect
Part was a perfect fit. Installed and leaf blower started right up.
Guest - September 5, 2019
Verified Purchase
★★★★★
★★★★★
Correct part. 5 minute replacement. Perfect fit
Chainsaw purge bubble cracked. Order a new one. Perfect fit. Chainsaw started on the first pull after I installed the new purge bubble.
Robert - October 9, 2019
Verified Purchase
★★★★★
★★★★★
New carb fit and works great
Part arrived on schedule and was install with ease. leaf blower runs like new
Guest - July 27, 2021
Verified Purchase
★★★★★
★★★★★
Easy repair.
Arrived in good time and worked great.
Guest - November 19, 2021
Verified Purchase
★★★★★
★★★★★
Easy, Fast, Professional.
Thank you for your support in getting me back into action fast. The prime bulb was cracked on a Ryobi chainsaw. Went to local Hardware stores, but the generic bulbs did not match. ReplacementParts had the exact bulb needed. And directions to innstall the bulb. Thanks again.
Guest - June 6, 2022
Verified Purchase
Questions & Answers
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Use the hand screw to remove the cover that houses the screen filter and primer bulb. Take care of the little gasket. Remove the two fuel lines from the old primer bulb. Small needle nose pliers work nicely. Take a thin bladed screwdriver and pop out the old primer bulb. Snap in the new primer bulb taking care to note the position of the
... Read moreold bulb. Reattach the fuel lines. Reattach the cover. My blower started right up after I installed a new spark plug and this new primer bulb
1. Detached fuel lines from fuel tank to primer.
2. Remove screws holding fuel tank to blower.
3. Remove fuel tank.
4. Attach new fuel tank.
5. Remove carburetor cover from back of blower.
6. Remove cracked primer from bracket using the two clips on the back of primer.
7. Attach new primer to bra
... Read morecket.
8. Re-attach fuel lines primer from fuel tank.
9. Re-attach carburetor cover.
Easy repair, first disconnected the spark plug wire. Disconnect the fuel lines, then remove the primer from the air box base and secure the new one in place. Reattach fuel lines and the spark plug wire.
1. Remover rear cover, 1 hand screw screw.
2. With a small screwdriver I popped out the old primer bulb and slipped off the gas lines.
3. Popped gas lines on new primer bulb.
4. Popped primer bulb back into the blower.
5. Put rear cover back on.
1. Using Torx driver remove two screws on top cover
2. Raise top cover to see back of priming bulb and two fuel lines
3. Note location that fuel lines come from and what ports on priming bulb the lines attach to
4. Using flat blade screwdriver push tabs that hold priming bulb in place down
5. Pull out priming b
... Read moreulb
6. Using needle nose pliers removed gas lines from nipples on priming bulb
7. Take replacement priming bulb and install gas lines on to using pliers
8. Push priming bulb into plastic bracket
9. Reinstall top cover and tighten screws.
Removed old primer bulb; disconnect fuel receiving and sending lines; insert new bulb; reconnect fuel lines being sure the inflow and outflow lines are correctly positioned. Fill the gas tank, prime the carburetor and start as always.
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Model Cross Reference
This part works with the following models:
ERP Number: ERP18783611
Manufacturer Part Number: 300780003
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
