This is the L83, the 5.3L EcoTec3 gasoline V8 from GM's Gen V small-block family, the engine that gives the full-size Chevrolet Suburban its confident, torque-rich character, as the live page describes. It combines direct injection for efficient combustion, cylinder deactivation that runs the engine on fewer cylinders while cruising to save fuel, and continuously variable valve timing for sharp response across the rev range. Built with an aluminum block and heads, an overhead-valve two-valve layout, and coil-near-plug ignition, and mounted longitudinally with rear or four-wheel drive, it makes 355 hp and 383 lb-ft and is flex-fuel capable on E85 as well as regular unleaded, which is what lets a Suburban tow, haul, and cruise with ease.
High mileage, hard towing duty, and wear in the cylinder-deactivation hardware are the usual reasons. A sound L83 restores the instant low-end torque, the quiet highway manners, and the towing capability the Suburban is known for, with the engine inspected for compression before it ships. Because the cylinder-deactivation lifters are a known wear point on these engines, we inspect them, and many owners choose to address that system at install.
| Detail | Description |
|---|---|
| INCLUDED | The L83 5.3L EcoTec3 V8 engine assembly as photographed; confirm the exact configuration at order. |
| NOT INCLUDED | Transmission, accessories not pictured, and fluids; transfer your undamaged accessories at install. |
| Tools You Need | Standard engine-swap tools and lifting equipment, fresh oil and filter, and regular unleaded or E85 fuel; this is a heavy gasoline V8. |
| Detail | Description |
|---|---|
| Chevrolet Suburban, L83 5.3 EcoTec3 V8 (donor tagged 2014) | VIN confirmed at order |
| Year note | The L83 5.3 powered the K2XX Suburban introduced for this era; confirm exact model year by VIN |
| Fuel-management note | On the 2014 L83 the cylinder-deactivation system is Active Fuel Management; the page's Dynamic Fuel Management label is the later L84 term |
| Reference Application | 2014 Chevrolet Suburban Engine (year to be confirmed) |
Call (240) 301-0095 with your VIN. Because the 5.3 EcoTec3 spanned several years and the cylinder-deactivation terminology changed over time, we confirm your exact model year and the right configuration before this freight engine ships.
This is a used engine, inspected before shipping:
| Block And Heads | Cast aluminum |
|---|---|
| Fuel Management | Cylinder deactivation (Active Fuel Management on the 2014 L83) |
| Oil Capacity | About 8 L (roughly 8.5 quarts) |
| Towing Capacity | Up to 8,300 lbs |
| Valvetrain | OHV, 2 valves per cylinder, variable valve timing |
| Application | 2014 Chevrolet Suburban Engine (year to be confirmed by VIN) |
| Sku | vaz743 |
| Price | $3,799.99 |
To file a claim, contact us within 15 days of delivery at (240) 301-0095 or support@vazautosolutions.com.
