Part Location Diagram of UP04802 Homelite Primer Bulb Od: 5/8
See part C-21 in the diagram
Replacing your Homelite Trimmer Primer Bulb Od: 5/8
( Grid squares measure 1x1 inch )

Primer Bulb Od: 5/8 UP04802

Manufactured by:
Homelite
ERP Number:
ERP10052718
Part Number:
UP04802
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

(19 rated repairs) ?

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Product Description

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This is a genuine Homelite replacement part designed for use with Trimmers and Blowers. It is made out of Rubber and it is Sold Individually. By pressing on the Purge Bulb, it will force fuel into the fuel line from the fuel tank into the carburetor. Once the carburetor is full of fuel, the excess fuel will be purged back into the tank in the fuel return line. At some time the primer will lose its elasticity or crack and need to be replaced.

Troubleshooting

This part works with the following brands:
  • Homelite
This part works with the following products:
  • Trimmer
  • Leaf Blower / Vacuum

Videos For installing this part.

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Replacing your Primer Bulb Od: 5/8

Customer Part Reviews

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5.0
Average Rating (out of 5):
★★★★★
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(5 Reviews)
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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

15 - 30 mins 

(19 rated repairs) ?
  • 1
  • 2
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Cracked Primer Bulb.

Bruce from Frederick, Maryland

5 of 5 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
UP04802
Unscrewed the primer cover, removed the cracked bulb and inserted the new bulb.
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Sat for years and the Carb was gummed up

Victor from Raeford, North Carolina

4 of 4 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Pliers, Screw drivers, Wrench set
Remove the carburetor and clean it with Carb cleaner. Use compressed air and a small wire to clean out ports. Reassemble
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Leaking,cracked Primer bulb

Larry from Garden Valley, California

3 of 3 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
UP04802
Remove the screws that secure the primer plate to the carburetor and remove plate and old primer, Place primer in plate and secure it to the carburetor with the screws.
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Timmer is just old, hasn\'t been used for a few yeards, needed a tune up

Michael from Omaha, Nebraska

3 of 3 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
308123004, UP04802, 791-610311B
Replaced the spark plug, leaky gas tank with hoses, and primer bulb and it worked great!
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Cleaned carburetor and tuned engine

Stanley from HILTON HEAD ISLAND, South Carolina

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers, Socket set
Parts Used:
900994004, UP04802
1. Removed carburetor
2. Cleaned out needle valves
3. Replaced primer bulb
4. Started engine & tuned
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Primer cracked

Michael from Clermont, Florida

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
UP04802
Remove the primer covers screws
Remove the cover and remove the old primer from the cover
Place the new primer in the cover
Screw the new primer assembly to the carburetor
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No start-had not run for 15 years-had been left with gas and oil in the machine-never properly stored

JOHN from SAINT CLOUD, Minnesota

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
Parts Used:
98792, 308123004, UP04802
Replaced primer bulb and cleaned carb with aerosol spray, replaced fuel tank (old one was cracked), Put in fresh gas/oil mix but still would not start. I bought a new spark plug and then it ran. Adjusted carb and it now works great. Including the carb kit I have $32 invested and it runs like a new machine again and starts easily.
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Primer bulb cracked

Rich from Euclid, Ohio

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver, Screw drivers
Parts Used:
UP04802
Removed side guard removed air filter and carburetor replaced bulb reassembled.
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Primer bulb deteriorated.

Nand-Amal from Porter Ranch, California

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
UP04802
Remove two screws holding metal plate, remove & replace old one, secure plate with screws. Additional time spent cleaning grime off engine, and fuel tank had crack that I repaired with J & B Epoxy Weld.
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Primer bulb had cracked.

Thomas from Machesney Park, Illinois

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
UP04802
I started by removing the air filter cover and box. That gave access to carb, so I took off the carb, and removed the broken bulb. I then put on the new bulb and reassembled in reverse order.
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Model Cross Reference

This part works with the following models:
ERP Number: ERP10052718
Manufacturer Part Number: UP04802
Brand Model Number Description
Homelite 74112 Trimmer - Trimmer
Homelite 74114 Trimmer - Trimmer
Homelite 74125 Trimmer - Trimmer
Homelite 74135 Trimmer - Trimmer
Homelite AP125 Water Pump - Pump
Homelite E200 Edger - Edger
Homelite GST Trimmer - String Trimmer
Homelite GST18 Trimmer - String Trimmer
Homelite HBC18 Trimmer - String Trimmer
Homelite HBC30 Trimmer - String Trimmer
Homelite HBC30B Trimmer - String Trimmer
Homelite HGT Trimmer - String Trimmer
Homelite HLT15 Trimmer - String Trimmer
Homelite HLT16 Trimmer - String Trimmer
Homelite HLT17C Trimmer - String Trimmer
Homelite HLT18 Trimmer - String Trimmer
Homelite ST-145 Trimmer - Trimmer
Homelite ST-175 Trimmer - Trimmer
Homelite ST-275 Trimmer - Trimmer
Homelite ST-385C Trimmer - Trimmer
Homelite ST145 Trimmer - String Trimmer
Homelite ST155 Trimmer - String Trimmer
Homelite ST175 Trimmer - String Trimmer
Homelite ST185 Trimmer - String Trimmer
Homelite ST275 Trimmer - String Trimmer
Homelite ST385 Trimmer - String Trimmer
Homelite ST385BC Trimmer - String Trimmer
Homelite ST385C Trimmer - String Trimmer
Homelite UT-01706 Cultivator - Farming
Homelite UT-08007 Leaf Blower / Vacuum - Blower