Guide Bar Nut 5/16-18 678339003
- Manufactured by:
- Homelite
- ERP Number:
- ERP16393904
- Part Number:
- 678339003
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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.
Troubleshooting
- Ryobi
- Homelite
- Ridgid
- Chainsaw
Customer Part 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.
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Sprocket drum gear worn. Muffler gasket burnt.
larry from SEMMES, Alabama
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers, Screw drivers
2. Removed the chain and the bar.
3. Removed the e-clip from the sprocket.
4. Removed the sprocket drum.
5. Installed the new sprocket drum.
Bar was bent
Adam from Penn Yan , New York
Reduced the tension on the blade and removed it and the bar
Replace the bar with the new one, installed the chain
Adjusted the chain tension
Attach the chain cover with the new nut
Damaged guide bar plate, missing guide bar nut
Mike from Avoca, Michigan
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
2. Removed guide bar cover
3. Installed guide bar plate
4. Installed guide bar cover
5. Fastened guide bar cover with guide bar nuts (2)
6. Adjusted guide bar tension with combination wrench
7. Tightened guide bar nuts with combination wrench
8. Started ch ... Read more ainsaw
Lost chain bar nuts.
Rex from BULVERDE, Texas
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Parts Used:
- 678339003
Tightened nuts.
Started saw.
Saw worked.
Needed new guide bar nut
Jackie from LOBELVILLE, Tennessee
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Socket set
- Parts Used:
- 678339003
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Model Cross Reference
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 |
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