2021 Chevrolet Silverado 1500 5.3L L84 Complete Engine and 2WD 8-Speed Automatic Transmission for Sale

2021 Chevrolet Silverado 1500 5.3L L84 Complete Engine and 2WD 8-Speed Automatic Transmission for Sale

This 2021 Chevrolet Silverado 1500 powertrain package combines the 5.3L L84 V8 engine with an 8-speed automatic transmission in a two-wheel-drive configuration. The L84 belongs to GM’s Gen V EcoTec3 engine family and features direct fuel injection, variable valve timing, and Dynamic Fuel Management, helping balance performance and everyday drivability.

The electronically controlled 8-speed transmission provides multiple gear ratios for responsive acceleration and comfortable highway cruising. This package is suited to compatible truck replacements and select custom GM powertrain projects.

Compatible Chevrolet Applications

• Chevrolet Silverado 1500 with matching 5.3L and transmission specifications
• Compatible Silverado 1500 replacement projects
• Select Tahoe or Suburban projects, subject to engine and transmission compatibility
• Custom Chevrolet truck builds requiring the correct powertrain configuration

Compatible GMC Applications

• GMC Sierra 1500 with matching 5.3L and transmission specifications
• Compatible Sierra 1500 replacement projects
• Select Yukon or Yukon XL projects, subject to year and drivetrain compatibility
• Custom GMC truck builds

Popular Custom Applications

• Chevrolet Silverado and GMC Sierra restorations
• C10 and square-body truck restomods
• Custom street trucks
• Modern GM powertrain swaps
• Select performance and project vehicles

Engine and Transmission Highlights

• Engine: GM 5.3L L84 V8
• Model year: 2021
• Original application: Chevrolet Silverado 1500
• Transmission: 8-speed automatic
• Drivetrain: 2WD configuration
• Engine technology: Direct injection and Dynamic Fuel Management
• Ideal for: Compatible replacements and custom GM truck projects