Extension Housing, 4L80E (5 1/2” Long) Cast # 8676531…
Part # 34770EDA
Type:
Housing
Size:
5 1/2” Long
Data as of:
2026-10-17
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Cross-reference numbers
| Number | System | Status |
|---|---|---|
| 34770EDA | WIT | ✓ catalog |
| 8676531 | Casting # | ✓ catalog |
Where it fits
| Diagram | Position | Transmission page |
|---|---|---|
| 3L80 | 770 | 3L80 |
| 4L80E | 770 | 4L80E |
Other parts in 3L80 position 770:
- 34770 Extension Housing, 400 (13 5/8” Long) Cadillac 1968-70
- 34770A Extension Housing, 400 (9 5/8” Long)(Uses Large Rear Seal)(Uses 400 Rear Seal)
- 34770B Extension Housing, 375 (9 5/8” Long)(Uses 350 Rear Seal) 1972-76
- 34770BA Extension Housing, 375 (9 5/8” Long)(Uses 350 Rear Seal) (7 3/16” From Rear Seal To Mount) 1972-76
- 34770C Extension Housing, 400 Truck (4” Long)(Uses a Bolt-On Yoke)(Uses Large Rear Seal)
- 34770D Extension Housing, 400 Truck (4” Long)(Uses Medium Rear Seal)
- 34770E Extension Housing, 4L80E (7 1/4” Long)(Truck, For Bolt-On Yoke)
- 34770EA Extension Housing, 4L80E (6 5/8” Long)(Truck)(For Bolt On Yoke)(For Bolt On Parking Brake)
- 34770EB Extension Housing, 4L80E (5 3/4” Long)
- 34770EC Extension Housing, 4L80E (7 1/4” Long)(Truck, For Bolt-On Yoke)(For Bolt-On Parking Brake)
- and 6 more
Other parts in 4L80E position 770:
- 34770 Extension Housing, 400 (13 5/8” Long) Cadillac 1968-70
- 34770A Extension Housing, 400 (9 5/8” Long)(Uses Large Rear Seal)(Uses 400 Rear Seal)
- 34770B Extension Housing, 375 (9 5/8” Long)(Uses 350 Rear Seal) 1972-76
- 34770BA Extension Housing, 375 (9 5/8” Long)(Uses 350 Rear Seal) (7 3/16” From Rear Seal To Mount) 1972-76
- 34770C Extension Housing, 400 Truck (4” Long)(Uses a Bolt-On Yoke)(Uses Large Rear Seal)
- 34770D Extension Housing, 400 Truck (4” Long)(Uses Medium Rear Seal)
- 34770E Extension Housing, 4L80E (7 1/4” Long)(Truck, For Bolt-On Yoke)
- 34770EA Extension Housing, 4L80E (6 5/8” Long)(Truck)(For Bolt On Yoke)(For Bolt On Parking Brake)
- 34770EB Extension Housing, 4L80E (5 3/4” Long)
- 34770EC Extension Housing, 4L80E (7 1/4” Long)(Truck, For Bolt-On Yoke)(For Bolt-On Parking Brake)
- and 6 more
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