2012 Chevrolet Silverado 3500 HD Engine

Notes: IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Engine Long Block. SFI. With Variable Valve Timing (VVT), Non DOD. Cam cast #6660. Tinware installed, check cam cast equals 6660. #4 DSCTN 03/19/2024. ATK. Left head cast #823, 5364. Right head cast #823, 5364. *** Not intended for Motorhome use ***. Crank cast #12552216. Block cast #12576181. Call NuTech at 1-800-790-9094 for customer service, availability and technical assistance.

• PRICE: 4302.99
• Grade Type: Premium
• Oil Pan Included: Yes
• Timing Cover Included: Yes
• Engine Oil Pump Included: Yes
• Harmonic Balancer Included: No
• Engine Block Material: Iron
• Engine Water Pump Included: No
• Windage Tray Included: null
• Block Casting Number: 12576181
• Engine Displacement: 364CID
• Intake Manifold Included: No
• Cylinder Head Material: Aluminum
• Valve Covers Included: Yes
• Main Bearing Cap Bolt Quantity: 6
• Assembled: Yes
• Flywheel Included: No
• Flexplate Included: No
• Cylinder Quantity: 8

Notes: IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Engine Long Block. SFI. With Variable Valve Timing (VVT), Non DOD. Cam cast #6660. Check cam cast equals #6660. #4 DSCTN 03/19/2024. ATK. Left head cast #823, 5364. Right head cast #823, 5364. *** Not intended for Motorhome use ***. Crank cast #12552216. Block cast #12576181. Call NuTech at 1-800-790-9094 for customer service, availability and technical assistance.

• PRICE: 3987.99
• Grade Type: Premium
• Engine Oil Pump Included: Yes
• Engine Block Material: Iron
• Oil Pan Included: No
• Harmonic Balancer Included: No
• Valve Covers Included: No
• Engine Water Pump Included: No
• Windage Tray Included: null
• Block Casting Number: 12576181
• Engine Displacement: 364CID
• Main Bearing Cap Bolt Quantity: 6
• Intake Manifold Included: No
• Cylinder Head Material: Aluminum
• Assembled: Yes
• Flywheel Included: No
• Flexplate Included: No
• Timing Cover Included: No
• Cylinder Quantity: 8

Notes: IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Engine Long Block. Bosch DFI. Iron block with aluminum heads. #5 DSCTN 03/19/2024. ATK diesel. Left head cast #704-1. Right head cast #704-1. Call NuTech at 1-800-790-9094 for customer service, availability and technical assistance.

• PRICE: 7105.99
• Grade Type: Premium
• Engine Displacement: 403CID
• Engine Oil Pump Included: Yes
• Oil Pan Included: No
• Harmonic Balancer Included: No
• Engine Block Material: Iron
• Main Bearing Cap Bolt Quantity: 4
• Valve Covers Included: No
• Engine Water Pump Included: No
• Windage Tray Included: null
• Intake Manifold Included: No
• Cylinder Head Material: Aluminum
• Flywheel Included: No
• Flexplate Included: No
• Timing Cover Included: No
• Assembled: Yes

Notes: IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Engine Long Block. Includes front cover, rear cover, oil pan, valley cover and gasket kit. Without Active Fuel Management (AFM), with Variable Valve Timing (VVT). Block #12576181, heads #5364, 823. Call Dahmer Powertrain at 1-877-595-9065 for pricing and availability.

• PRICE: 4845.99
• Grade Type: Standard
• Oil Pan Included: Yes
• Engine Oil Pump Included: No
• Main Bearing Cap Bolt Quantity: 0
• Timing Cover Included: Yes
• Harmonic Balancer Included: No
• Engine Block Material: Iron
• Engine Water Pump Included: No
• Piston Style: Flat
• Windage Tray Included: No
• Engine Displacement: 6L
• Intake Manifold Included: No
• Cylinder Head Material: Aluminum
• Flywheel Included: No
• Flexplate Included: No
• Piston Valve Reliefs: No

Notes: Engine Long Block. Base Engine(s). 6.6 L Duramax LML, long block, oil pump, gasket set. Call 1-877-421-4317 for pricing and availability.

• PRICE: 7023.99
• Grade Type: Standard
• Assembled: Yes

Notes: Engine Long Block. Upgrades: head studs. 6.6 L Duramax LML, long block, oil pump, gasket set. Call 1-877-421-4317 for pricing and availability.

• PRICE: 7757.99
• Grade Type: Standard
• Assembled: Yes

Notes: Engine Long Block. Upgrades. With head studs and Mahle Motorsport pistons. 6.6 L Duramax LML, long block, oil pump, gasket set. Rebalanced crankshaft. Call 1-877-421-4317 for pricing and availability.

• PRICE: 8831.99
• Grade Type: Standard
• Assembled: Yes

Notes: Engine Long Block. Upgrades. Mahle Motorsport Piston. 6.6 L Duramax LML, long block, oil pump, gasket set. Rebalanced crankshaft. Call 1-877-421-4317 for pricing and availability.

• PRICE: 8117.99
• Grade Type: Standard
• Assembled: Yes

Notes: Engine Long Block. Includes: oil pan, oil pump, valve cover, timing cover, gasket kit.

• PRICE: 5715.99
• Oil Pan Included: Yes
• Grade Type: Premium
• Timing Cover Included: Yes
• Engine Oil Pump Included: Yes
• Engine Block Material: Iron
• Harmonic Balancer Included: No
• Main Bearing Cap Bolt Quantity: 4
• Engine Water Pump Included: No
• Engine Displacement: 6.0L
• Piston Style: Flat
• Windage Tray Included: No
• Cylinder Head Material: Aluminum
• Intake Manifold Included: No
• Piston Valve Reliefs: Yes
• Flywheel Included: No
• Flexplate Included: No

Notes: IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Engine Long Block. SFI. Cam cast #6660. High durability build, timing cover, oil pan, valve covers and balancer installed. Check cam cast equals 6660, with Variable Valve Timing (VVT), non DOD. #4 DSCTN 03/19/2024. Left head cast #823, 5364. Right head cast #823, 5364. For application questions please call NuTech by ATK HD 800-790-9094. ATK HD. Crank cast #12552216. Block cast #12576181. *** Not intended for Motorhome use ***. Call NuTech at 1-800-790-9094 for customer service, availability and technical assistance.

• PRICE: 4279.99
• Grade Type: Premium
• Oil Pan Included: Yes
• Timing Cover Included: Yes
• Engine Oil Pump Included: Yes
• Harmonic Balancer Included: No
• Engine Block Material: Iron
• Engine Water Pump Included: No
• Windage Tray Included: null
• Engine Displacement: 364CID
• Block Casting Number: 12576181
• Main Bearing Cap Bolt Quantity: 6
• Intake Manifold Included: No
• Cylinder Head Material: Aluminum
• Valve Covers Included: Yes
• Flywheel Included: No
• Flexplate Included: No
• Assembled: Yes
• Cylinder Quantity: 8