Part Location Diagram of 678339003 Homelite Guide Bar Nut 5/16-18
See part A-10 in the diagram
Part Location Diagram of 678339003 Homelite Guide Bar Nut 5/16-18

Guide Bar Nut 5/16-18 678339003

$6.51
Special Order
Fix Number:
FIX16393904
Manufacturer #:
678339003
Manufactured by:
Homelite

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Product Description

This is an OEM approved replacement part designed for use with chainsaws. The primary purpose of this part is to attach the chainsaw bar to the main unit. There are two of these mounting nuts used to secure bar. It is a metal hex flange nut and it is sold individually. You will need a wrench when working with this item.

  • Works with the following brands:
    Ryobi, Homelite, Ridgid
  • Works with the following products:
    Chainsaw
  • Part# 678339003 replaces these:
    678339003
Works with the following brands:
Ryobi, Homelite, Ridgid
Works with the following products
Chainsaw
Part Number Cross Reference
Part# 678339003 replaces these:
678339003

Questions and Answers

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Model Compatibility

This part works with the following models:
Fix Number: FIX16393904
Manufacturer Part Number: 678339003
Brand Model Number Description
Homelite GM10514 Chainsaw - Gm10514 14" 35cc Chain Saw
Homelite GM10516 Chainsaw - Gm10516 16" 38cc Chain Saw
Homelite GM10518 Chainsaw - Gm10518 18" 42cc Chain Saw
Ryobi P2502 Chainsaw - P2502 18 Volt Chain Saw Mfg. No. 107586001 7-28-21 (Rev:02)
Ryobi P2507 Chainsaw - P2507 18 Volt Chainsaw Mfg. No. 107758001 1-7-22 (Rev:01)
Ridgid RD905712 Generator - 5700 Watt Generator
Ridgid RD905712B Generator - Generator
Ryobi RY10518 Chainsaw - 18 in. 46cc Chainsaw
Ryobi RY10519 Chainsaw - Chainsaw
Ryobi RY10519A Chainsaw - 46CC Chain Saw
Ryobi RY10519B Chainsaw - 46CC Chainsaw
Ryobi RY10520 Chainsaw - 20 in. 46cc Chainsaw
Ryobi RY10521 Chainsaw - Chainsaw
Ryobi RY10521A Chainsaw - 46CC Chain Saw
Ryobi RY10521B Chainsaw - 46CC Chainsaw
Ryobi RY3714 Chainsaw - 37cc Chain Saw
Ryobi RY3714VNM Chainsaw - Ry3714vnm 38cc Chain Saws Mfg. No. 095382013 8-3-21 (Rev:02)
Ryobi RY3716 Chainsaw - 37cc Chain Saw
Ryobi RY3716VNM Chainsaw - Ry3716vnm 38cc Chain Saws Mfg. No. 095382012 8-3-21 (Rev:02)
Ryobi RY3818 Chainsaw - Chain Saw
Ryobi RY3818VNM Chainsaw - Ry3818vnm 18 In. 38cc Chain Saw Mfg. No. 095382011 8-3-21 (Rev:02)
Ryobi RY405010 Chainsaw - Ry405010 40 Volt 14 In. Chainsaw Mfg. No. 107507010 8-19-21 (Rev:01)
Ryobi RY40502 Chainsaw - Chain Saw
Ryobi RY40503 Chainsaw - 40 Volt Chain Saw
Ryobi RY40503VNM Chainsaw - Ry40503vnm 40 Volt Chain Saw Mfg. No. 107507101 11-10-20 (Rev:06)
Ryobi RY40505 Chainsaw - 40 Volt Chain Saw
Ryobi RY40507 Chainsaw - Ry40507 40 Volt 10 In. Chainsaw Mfg. No. 107587001 7-15-21 (Rev:02)
Ryobi RY40508 Chainsaw - Ry40508 40 Volt 18 In. Brushless Chain Saw Mfg. No. 107404001 10-9-20 (Rev:01)
Ryobi RY40509 Chainsaw - Ry40509 40 Volt 12 In. Brushless Chainsaw Mfg. No. 107895001 12-8-21 (Rev:01)
Ryobi RY5020 Chainsaw - 50cc Chain Saw
Guide Bar Nut 5/16-18
$ 6.51
  Special Order
Stock Status
 In Stock

Item is in stock and will ship today if your order is placed before 4:00 PM Eastern Standard Time.

If your order is placed after 4:00 PM EST, the in stock items will ship on the next business day.

 On Order

Item is not in stock and usually ships 3-5 business days from the time you place your order.

 Special Order

Item is not in stock and usually ships 10-15 business days from the time you place your order.

 NLA - No Longer Available

This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.