2007 GMC Sierra 2500 6.6L Allison 1000 Transmission Assembly
Used OEM Transmission Assembly from a 2007 GMC Sierra 2500
$995.00
1 in stockShipping or local pickup1 in stock
Mon–Fri 8 am – 5 pm. Questions about fitment? We'll check the interchange for you.Email us and we'll reply when we open.
- Stock #
- 3H8586
- OEM part #
- 29546757
- Mileage
- 238,000 miles
- Part grade
- C
- Inventory
- sale price! 6.6L, automatic transmission, 4x2, in warehouse-ready-to-go!
- 2007 Silverado 2500 — automatic transmission; new style (smooth door skin), 6.6L, 4x2
- 2008–2010 Silverado 2500 — automatic transmission; 6.6L, 4x2
- 2007 Silverado 3500 — automatic transmission; new style (smooth door skin), 6.6L, 4x2, without PTO
Vehicle fitment
This transmission assembly fits the vehicles below. Check the notes in your row.
| Vehicle | Years | Notes |
|---|---|---|
| Chevrolet | ||
| Silverado 2500 | 2007 | automatic transmission; new style (smooth door skin), 6.6L, 4x2 |
| Silverado 2500 | 2008–2010 | automatic transmission; 6.6L, 4x2 |
| Silverado 3500 | 2007 | automatic transmission; new style (smooth door skin), 6.6L, 4x2, without PTO |
| Silverado 3500 | 2008–2010 | automatic transmission; 6.6L, 4x2, without PTO |
| GMC | ||
| Sierra 2500 | 2007 | automatic transmission; new style (smooth door skin), 6.6L, 4x2 |
| Sierra 2500 | 2008–2010 | automatic transmission; 6.6L, 4x2 |
| Sierra 3500 | 2007 | automatic transmission; new style (smooth door skin), 6.6L, 4x2, without PTO |
| Sierra 3500 | 2008–2010 | automatic transmission; 6.6L, 4x2, without PTO |
This part fits: 2007 Chevrolet Silverado 2500 (automatic transmission; new style (smooth door skin), 6.6L, 4x2) 2008 Chevrolet Silverado 2500 2009 Chevrolet Silverado 2500 2010 Chevrolet Silverado 2500 (automatic transmission; 6.6L, 4x2) 2007 Chevrolet Silverado 3500 (automatic transmission; new style (smooth door skin), 6.6L, 4x2, without PTO) 2008 Chevrolet Silverado 3500 2009 Chevrolet Silverado 3500 2010 Chevrolet Silverado 3500 (automatic transmission; 6.6L, 4x2, without PTO) 2007 GMC Sierra 2500 (automatic transmission; new style (smooth door skin), 6.6L, 4x2) 2008 GMC Sierra 2500 2009 GMC Sierra 2500 2010 GMC Sierra 2500 (automatic transmission; 6.6L, 4x2) 2007 GMC Sierra 3500 (automatic transmission; new style (smooth door skin), 6.6L, 4x2, without PTO) 2008 GMC Sierra 3500 2009 GMC Sierra 3500 2010 GMC Sierra 3500 (automatic transmission; 6.6L, 4x2, without PTO)
Part details
This is a used OEM transmission assembly removed from a 2007 GMC Sierra 2500.
Compatibility summary
Fits 2008, 2009, and 2010 Chevrolet Silverado 2500 and GMC Sierra 2500 with automatic transmission; 6.6L, 4x2. Fits 2008, 2009, and 2010 Chevrolet Silverado 3500 and GMC Sierra 3500 with automatic transmission; 6.6L, 4x2, without PTO. Fits 2007 Chevrolet Silverado 2500 and GMC Sierra 2500 with automatic transmission; new style (smooth door skin), 6.6L, 4x2. Fits 2007 Chevrolet Silverado 3500 and GMC Sierra 3500 with automatic transmission; new style (smooth door skin), 6.6L, 4x2, without PTO. Used OEM transmission assembly.
- Part type
- Transmission Assembly
- Donor vehicle
- 2007 GMC Sierra 2500
- Stock #
- 3H8586
- OEM part #
- 29546757
- Mileage
- 238,000 miles
- Part grade
- C
- Inventory notes
- sale price! 6.6L, automatic transmission, 4x2, in warehouse-ready-to-go!
- Fulfillment
- Shipping or local pickup
- SKU
- S-BB1060230
Shipping and pickup
Local pickup in Sacramento
903 Del Paso Blvd, Sacramento, CA 95815. Monday to Friday, 8 am to 5 pm.
Get directionsShips by freight
Delivered on a pallet to a home (liftgate included) or a business. The freight rate for your address is shown at checkout.










