- Chevy Truck-Silverado 3500 (2001 Up) At 6.6L 4X2 Chassis Cab 2012, 2011
2011-2012 Chevy Silverado 3500 6.6L Used Automatic Transmission — 4x2, chassis cab
How ordering works
- 1Enter or confirm your VIN
- 2We verify exact fitment for your vehicle
- 3Flat freight shown up front — no surprises
- 490-day warranty included on every part
- 5We photograph & confirm the unit before it ships
What's included with this transmission
You're buying a complete transmission assembly. Here's exactly what's attached when it arrives, and the service items your installer should check and replace during the swap.
Included with your transmission
Ships as one assembled unit- Complete automatic transmission
- Bell housing
- Torque converter
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About this part
Chevy Silverado 3500 6.6L 4x2 Chassis Cab Automatic Transmission For 2011-2012 Models
This heavy-duty 6-speed automatic transmission delivers robust performance for your Chevy Silverado 3500 Chassis Cab, designed to handle the Duramax 6.6L diesel engine's substantial torque and demanding work applications.
Transmission Specifications:
| Category | Details |
|---|---|
| Transmission Code | 6L90 |
| Type | 6-Speed Automatic with Tow/Haul Mode |
| Drive Configuration | Rear-Wheel Drive |
| Torque Capacity | 660 lb-ft |
| Fluid Type | DEXRON®-VI ATF |
| Case Material | Cast aluminum |
| Weight | 285 lbs approximately |
Key Features:
-
Tow/Haul Mode: Adjusts shift patterns for heavy loads
-
Duramax Optimized: Specifically calibrated for the 6.6L diesel engine
-
Electronic Control: Adaptive shift learning for driving conditions
-
Chassis Cab Specific: Designed for commercial applications
-
Cooling System: Enhanced transmission cooler for heavy-duty use
Pricing Options:
| Mileage Range | Price | Condition |
|---|---|---|
| 30K-60K miles | $ 2,304.72 | Like-new condition, minimal wear |
| 60K-90K miles | $ 1,657.00 | Light use, excellent condition |
| 90K-120K miles | $ 1,403.60 | Good condition, fully functional |
| 120K-150K miles | $ 1,275.00 | Budget option, may require minor service |
Shipping Information:
Standard shipping 5-7 business days.
Expedited shipping available for an extra cost.
Frequently Asked Questions?
Q: How do I confirm my Silverado 3500 has this transmission?
A: The 2011-2012 Silverado 3500 Chassis Cab with 6.6L Duramax uses the 6L90 transmission. Confirm your VIN and ensure your vehicle has the HD Chassis Cab designation before proceeding.
Q: What maintenance is critical for this transmission?
A: Maintain peak performance of your Chevy Silverado 3500 (2001 Up) 6.6L 4x2 chassis cab AT transmission by consistently replacing the transmission fluid and filter. Monitor for any leaks and keep the cooling system in top shape to prevent overheating. These crucial actions keep your transmission resilient and prepared to tackle any demanding situation.
Q: What are common issues with the 6L90 transmission?
A: Common issues with the 6L90 transmission include shifting delays, harsh or erratic gear changes, and transmission fluid leaks. Overheating can also cause premature wear and failure. Regular maintenance and timely fluid changes help keep this transmission performing at its best under demanding conditions.
Ready to Order?
Keep your Chevy Silverado 3500 Chassis Cab performing at its best with a quality replacement transmission. Perfect for maintaining your work truck reliability and towing capability. Order now to restore your truck's heavy-duty performance!
Tested, VIN-matched, and guaranteed
VIN-Verified Fit
We match the part to your vehicle's VIN and confirm exact fitment before we ship — so it fits the first time. Free cancellation within 24 hours.
Works on Arrival, Guaranteed
Every unit is tested before it ships. If it arrives defective, we replace it fast — and in the rare case we can't replace it, you get a full refund.
90-Day Warranty
A real parts-replacement warranty, included — with extended coverage available.
Heavy freight item, shipped fully insured and tracked. Freight is a flat $250 commercial / $400 residential, shown at checkout — no hidden fees, no freight-quote runaround.
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