Part Location Diagram of 280439S Briggs and Stratton Pulley-starter
See part D-56 in the diagram
( Grid squares measure 1x1 inch )

Pulley-starter 280439S

Manufactured by:
Briggs and Stratton
ERP Number:
ERP8945119
Part Number:
280439S
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

30 - 60 mins 

(5 rated repairs) ?

Does this part fit my model?

Need help finding your model number?

Product Description

?

This pulley-starter is a genuine replacement part sourced directly from the manufacturer. It is compatible with over 150 engines. This pulley-starter is used to start the engine by rotating when the starter rope is pulled. This part is made of plastic, and it should be replaced if it is broken or damaged. Please note this part is sold individually and does not include the starter rope (part 691921).

Troubleshooting

This part works with the following brands:
  • Briggs and Stratton
  • Toro
  • Craftsman
  • Lawn Boy
  • Murray
This part works with the following products:
  • Engine
  • Lawn Mower
  • Tiller
Part# 280439S replaces these:
280439, 280439S,

Customer Part Reviews

?
5.0
Average Rating (out of 5):
★★★★★
★★★★★
(3 Reviews)
Click to filter by ratings:
  • 5 stars
    3
  • 4 stars
    0
  • 3 stars
    0
  • 2 stars
    0
  • 1 star
    0
  • 1
Sort by:  
Sorry, we couldn't find any existing reviews that matched. Try using some different or simpler keywords.

Questions & Answers

?

Our customer Service team is at the ready daily to answer your part and product questions.

Be the first to ask our experts a question about this part!

Ask our Team

We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.

Does this fit my product?

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.

A Bit Difficult 

30 - 60 mins 

(5 rated repairs) ?
  • 1
Sort by:  
Sorry, we couldn't find any existing installation instruction that matched.

Starter clutch froze up. Starting the engine damaged recoil spring and broke plastic rope pulley

larry from Redmond, Oregon

5 of 5 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Wrench set
Parts Used:
399671, 280439S
1. Removed starter housing from engine by removing 3 one quarter inch bolts.
2. Removed recoil starter spring to reshape end to fit into plastic rope pulley.
3. With assistance, rewound starter spring into housing and reattached new rope pulley.
4. Wound starter spring and installed new starter rope.
5. Using a spe cial tool, removed starter clutch using an electric impact gun.
6. Using the same special tool and impact gun, installed new starter clutch.
7. Reattached complete starter housing to engine with the three bolts.
8. Started engine to insure everything operated normally.
Did you find this story helpful?
Thank you for voting!

teeth were stripped inside pully

Jerry from WADSWORTH, Nevada

3 of 3 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers, Socket set, Wrench set
Parts Used:
280439S
removed side engine cover
removed pull starter pully and rope
replaced new rope on new pully
replaced
hardest part getting spring rewound to right tightness
Did you find this story helpful?
Thank you for voting!

The starter pulley broke.

Gene from Houston, Texas

3 of 3 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Socket set
Parts Used:
280439S
1. Removed the shroud.
2. Installed the rope into the pulley.
3. Installed the pulley assembly into the shroud.
4. Replaced the shroud onto the engine.
Did you find this story helpful?
Thank you for voting!

starter clutch was slipping and rewind spring was not pulling starter cord back in

Michael from Azle, Texas

1 person found this instruction helpful.
Difficulty Level:
Difficult
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Pliers, Screw drivers, Wrench (Adjustable)
Parts Used:
490179, 399671, 280439S
removing of the pull starter mechanism
replacing of the old starter clutch
replacing of the rewind starter spring and replacing pulley
spring is difficult since starter cord needs threaded into the pulley while holding the coil spring
small stiff wire helps with pushing cord into pulley
Did you find this story helpful?
Thank you for voting!

Need coil spring

Jeff from Rocklin, California

1 person found this instruction helpful.
Difficulty Level:
Very Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers
Parts Used:
490179, 490817, 280439S
Removed old spring. Rewound new one with electric drill and secured it with a needle nose vice grip. Took a few attempts. Work it in with screwdriver. Put in rope pulley and gave it a few more turns to tighten spring. Lubricated spring with automatic transmission fluid.
Did you find this story helpful?
Thank you for voting!
  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP8945119
Manufacturer Part Number: 280439S
Brand Model Number Description
Lawn Boy 0363 Lawn Mower - Lawn Boy Lawn Mower Model 0363 Parts
Lawn Boy 0425A Lawn Mower - Lawn Boy Lawn Mower Model 0425A Parts
Briggs and Stratton 060101-0010-99 Engine - Engine
Briggs and Stratton 060101-0110-99 Engine - Engine
Briggs and Stratton 060101-0130-99 Engine - Engine
Briggs and Stratton 060101-0153-99 Engine - Engine
Briggs and Stratton 060101-0165-99 Engine - Engine
Briggs and Stratton 060101-0166-99 Engine - Engine
Briggs and Stratton 060101-0167-99 Engine - Engine
Briggs and Stratton 060101-0168-99 Engine - Engine
Briggs and Stratton 060101-0169-99 Engine - Engine
Briggs and Stratton 060101-0187-99 Engine - Engine
Briggs and Stratton 060101-0189-99 Engine - Engine
Briggs and Stratton 060101-0191-99 Engine - Engine
Briggs and Stratton 060101-0198-99 Engine - Engine
Briggs and Stratton 060101-0201-99 Engine - Engine
Briggs and Stratton 060101-0204-99 Engine - Engine
Briggs and Stratton 060101-0206-99 Engine - Engine
Briggs and Stratton 060101-0215-99 Engine - Engine
Briggs and Stratton 060101-0219-99 Engine - Engine
Briggs and Stratton 060101-0220-99 Engine - Engine
Briggs and Stratton 060101-0224-99 Engine - Engine
Briggs and Stratton 060101-0228-99 Engine - Engine
Briggs and Stratton 060101-0233-99 Engine - Engine
Briggs and Stratton 060101-0238-99 Engine - Engine
Briggs and Stratton 060101-0243-99 Engine - Engine
Briggs and Stratton 060101-0261-99 Engine - Engine
Briggs and Stratton 060101-0276-99 Engine - Engine
Briggs and Stratton 060101-0290-99 Engine - Engine
Briggs and Stratton 060101-0338-99 Engine - Engine