Part Location Diagram of 77-305-1 Oregon Oregon Resistor Plug (intercha
See part A-135 in the diagram
( Grid squares measure 1x1 inch )

Oregon Resistor Plug (intercha 77-305-1

Manufactured by:
Oregon
ERP Number:
ERP19012474
Part Number:
77-305-1
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

(3 rated repairs) ?

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Product Description

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This plug is an OEM direct from Craftsman for lawn mowers, tillers, lawn tractors, and chippers/shredders. This plug produces the flare that starts up the fuel in the engine. You will need a deep socket and a wrench to replace this part. This plug is made of plastic and metal. This part is sold individually.

Troubleshooting

This part works with the following brands:
  • Craftsman
This part works with the following products:
  • Engine
  • Lawn Mower
  • Lawn Tractor
Part# 77-305-1 replaces these:
77-305-1, RJ19LM,

Customer Part Reviews

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4.5
Average Rating (out of 5):
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(8 Reviews)
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Questions & Answers

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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 

(3 rated repairs) ?
  • 1
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Rebuilding mower

James from Waverly, Ohio

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Screw drivers, Socket set
1. Replaced Spark plug
2. Removed and replaced blade.
3. Removed rear wheels and replaced.
4. Removed front wheels and replaced gear guards.
5. Removed damaged trailing guard and replaced.
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The primer bulb had dry rotted.

Steve from Rising Sun, Maryland

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers, Socket set
Parts Used:
77-305-1, 595079601
Simply replaced the primer bulb and spark plug to be ready for next year.
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routine maintainance

daniel from salinas, California

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Socket set
Parts Used:
77-305-1, 532189028, BS-491588S
routine service. replace spark and air filter,replace worn out blade,replace air filter,change engine oil.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP19012474
Manufacturer Part Number: 77-305-1
Brand Model Number Description
Craftsman 143001101 Engine - Engine
Craftsman 143001103 Engine - Engine
Craftsman 143001105 Engine - 4-Cycle Engine
Craftsman 143003500 Engine - Engine
Craftsman 143003502 Engine - Engine
Craftsman 143003504 Engine - Engine
Craftsman 143003506 Engine - Engine
Craftsman 143003508 Engine - Engine
Craftsman 143003800 Engine - Craftsman Engine
Craftsman 143003802 Engine - Engine
Craftsman 143003804 Engine - Engine
Craftsman 143004000 Engine - Engine
Craftsman 143004002 Engine - Engine
Craftsman 143004004 Engine - Engine
Craftsman 143004006 Engine - Engine
Craftsman 143004008 Engine - Engine
Craftsman 143004010 Engine - Engine
Craftsman 143004012 Engine - Engine
Craftsman 143004014 Engine - Engine
Craftsman 143004016 Engine - Engine
Craftsman 143004018 Engine - Engine
Craftsman 143004500 Engine - Engine
Craftsman 143004502 Engine - Engine
Craftsman 143004504 Engine - Engine
Craftsman 143004506 Engine - Engine
Craftsman 143005001 Engine - Engine
Craftsman 143005003 Engine - Engine
Craftsman 143005004 Engine - Engine
Craftsman 143005006 Engine - Engine
Craftsman 143005008 Engine - Engine