3680-80 – Center Support Bearing – Gm Application – 1.181″ ID – 1.375″ Center Bearing To Base
$165.20
10 in stock
Description
The 3680-80 center support bearing is a crucial component for maintaining driveline integrity in GM applications, particularly in the Pontiac G8. With a bearing inner diameter of 1.181 inches, this part ensures a snug fit that minimizes play and maintains alignment in a two-piece driveshaft setup. The center-to-base height of 1.375 inches is vital for keeping the driveshaft operating angle correct, preventing unnecessary wear and vibration.
One of the key features of the 3680-80 is its 7.500-inch center-to-center distance between the mounting holes. This dimension is critical for proper installation, ensuring that the bearing aligns correctly with the driveshaft and other components. Misalignment can lead to increased vibration and premature failure, so it’s essential to install this bearing accurately.
- Do not pre-load the rubber isolator during installation.
- Align the mounting bracket before tightening to avoid misalignment.
- Check driveshaft runout after installation to ensure smooth operation.
Common failure symptoms include vibrations at highway speeds and noticeable bearing noise, often due to rubber deterioration. Regular inspection can help catch these issues early, extending the service life of the driveline under load conditions. Choose the 3680-80 center support bearing for reliable performance in your GM vehicle.
| Application | GM |
|---|---|
| Bearing id | 1.181 |
| Center bearing to base | 1.375 |
| Ctr to ctr of mount holes | 7.500 |
| Notes | Pontiac G8 |
| Partn number | 3680-80 |
| Remaining stock | >10 |
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 | Application Nissan Bearing id 1.181 Center bearing to base 2.375 Ctr to ctr of mount holes 0 Notes 620 Pickup (73-79) Partn number 1280-10 Remaining stock >10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Juke 11-17 Bearing id 1.181 Center bearing to base 570 Ctr to ctr of mount holes 7.125 Notes Bolt heads opposite side of spacers Partn number 1280-15 Remaining stock <10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Bearing id 1.181 Center bearing to base 2.375 Ctr to ctr of mount holes 9.375 Notes Pickup 4X4 (79-88) Partn number 1280-20 Remaining stock <10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan, Infiniti Bearing id 1.181 Center bearing to base 2.170 Ctr to ctr of mount holes 6.000 Notes Double metal rings surrounding the rubber and bearing. Comes with nut and washer/spacer Partn number 1280-30 Remaining stock >10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Bearing id 1.378 Center bearing to base 2.180 Ctr to ctr of mount holes 0 Notes Infiniti/ Nissan. Like 1280-30 but with larger bearing ID / Bracket not included. comes with new nut washer/spacer Partn number 1280-35 Remaining stock >10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Bearing id 1.181 Center bearing to base 2.500 Ctr to ctr of mount holes 6.000 Notes Nissan / Infiniti / Frontier 4X4 (98-03) Hardbody 4X4 (86-97) Pathfinder 4X4 (87-03) Xterra 4X4 (00-03) QX4 4X4 (00-03) Partn number 1280-40 Remaining stock >10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Bearing id 1.181 Center bearing to base 2.125 Ctr to ctr of mount holes 5.875 Notes 300ZX (90-96) Partn number 1280-50 Remaining stock >10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Infiniti Bearing id 1.181 Center bearing to base 1.125 Ctr to ctr of mount holes 6.000 Notes Q45 (90-96) Partn number 1280-70 Remaining stock <10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application INFINITI Q50, Q60 Bearing id 1.181 Ctr to ctr of mount holes 6.000 Notes 3 mm spacer Partn number 1280-74 Remaining stock <10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application INFINITI Q50, Q60, Q70, M37, M56 Bearing id 1.181 Center bearing to base 197 Ctr to ctr of mount holes 6.000 Notes 11 mm spacer Partn number 1280-75 Remaining stock <10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
