2019 GMC Sierra Denali Engine – 5.3L L84 V8
5.3L V8 | L84 | VIN D – 8th Digit | Direct Injection | Gasoline
Looking for a 2019 GMC Sierra engine? This page is specifically for the 5.3L L84 V8 used in the GMC Sierra Denali 1500, identified by VIN D in the 8th digit.
The 2019 GMC Sierra was offered with more than one engine configuration, so matching the vehicle by year and model alone is not enough. Verify your complete VIN and original engine application before purchasing a replacement motor.
Have your VIN ready? We can help verify fitment.
2019 GMC Sierra Denali 5.3L Engine Overview
The 2019 GMC Sierra Denali 1500 was available with different V8 engine applications. The engine covered on this page is the 5.3L L84, identified by VIN D as the 8th digit. Used-engine fitment catalogs specifically list this application for the 2019 Sierra Denali 1500. Reman Engine
The L84 is part of GM’s Gen V small-block V8 family. GM specifications list a 5,328 cc displacement, overhead-valve configuration, direct injection, variable valve timing, aluminum block and aluminum cylinder heads. Published L84 specifications are 355 hp at 5,600 rpm and 383 lb-ft at 4,100 rpm. GM Powered Solutions
Application Checklist
Year: 2019
Make: GMC
Model: Sierra Denali 1500
Engine: 5.3L V8
RPO: L84
VIN: D – 8th digit
Fuel: Gasoline
Engine Type: Naturally Aspirated
Fuel System: Direct Injection
Not sure which 5.3L you have?
2019 GMC Sierra Denali 1500 5.3L Engine Specs
The L84 is a 5.3L V8 application identified by VIN D. Compare these specifications with your original engine before requesting a replacement.
| Specification | Details |
|---|---|
| Year | 2019 |
| Make | GMC |
| Model | Sierra Denali 1500 |
| Engine | 5.3L V8 |
| RPO Code | L84 |
| VIN | D – 8th Digit |
| Displacement | 5,328 cc / 325 CID |
| Cylinders | 8 |
| Fuel Type | Gasoline |
| Fuel System | Direct Injection |
| Aspiration | Naturally Aspirated |
| Valve Configuration | Overhead Valve |
| Bore | 96 mm |
| Stroke | 92 mm |
| Compression Ratio | 11.0:1 |
| Horsepower | 355 HP @ 5,600 RPM |
| Torque | 383 LB-FT @ 4,100 RPM |
| Variable Valve Timing | Yes |
| Block | Cast Aluminum |
| Cylinder Heads | Cast Aluminum |
| Firing Order | 1-8-7-2-6-5-4-3 |
Need the Right 2019 GMC Sierra Engine?
The 5.3L L84 is not the only 5.3L engine application found in the 2019 GMC Sierra lineup. The L82/VIN F and L84/VIN D applications are listed separately in fitment catalogs.
That is why we recommend checking your VIN before ordering.
Send us your 17-character VIN and we’ll help confirm which engine application matches your truck.
VIN-based fitment assistance • Used replacement options • Nationwide availability
How to Identify the Correct 5.3L GMC Sierra Engine
A 2019 GMC Sierra Denali engine should be matched using more than just the year and model.
Check these details before purchasing:
01 — Model Year
Confirm the truck is a 2019 GMC Sierra.
02 — Model
Confirm the vehicle is a Sierra Denali 1500.
03 — Engine Size
The application on this page is the 5.3L V8.
04 — VIN 8th Digit
This specific application uses VIN D in the 8th digit. Used-engine catalogs list the 5.3L L84 and VIN D together for the 2019 Sierra Denali 1500.
05 — RPO Code
The engine option is L84.
What Is the L84 5.3L Engine?
The L84 engine is a 5.3L Gen V V8 from GM’s EcoTec3 engine family.
GM specifications list:
5,328 cc displacement
96 mm bore
92 mm stroke
11.0:1 compression ratio
Direct injection
Variable valve timing
Aluminum block and cylinder heads
355 hp
383 lb-ft of torque
GM also identifies the L84 as a Gen V V8 and notes its development from the earlier 5.3L architecture, including components for automatic start/stop and available Dynamic Fuel Management.
For a replacement application, though, the engine’s physical similarity to another GM 5.3L does not automatically make it the correct replacement.
Signs Your Transmission May Need Attention
Transmission problems can develop gradually or appear suddenly. These common symptoms may indicate that your 4L60E needs inspection, diagnosis or repair.
Delayed Engagement
A noticeable delay when shifting into Drive or Reverse can indicate a hydraulic, fluid or internal transmission issue.
Transmission Slipping
Engine RPM rises without normal acceleration, especially during gear changes or under load.
Harsh Shifting
Hard, abrupt or unusually rough shifts between gears may indicate a control or internal transmission problem.
Loss of Reverse
If Reverse stops working or engages inconsistently, the transmission and shift system should be inspected.
Unusual Noise
Whining, grinding, humming or other abnormal sounds can be signs of internal wear or damage.
Fluid Problems
Low fluid, visible leaks or contaminated transmission fluid can affect shifting and transmission operation.
Important: These symptoms do not always mean the entire transmission needs replacement. Fluid level, linkage, electrical controls, sensors and other components should be checked before choosing a replacement transmission.
Why Choose AutomartAutoparts?
Finding the right used engine or transmission can be stressful, especially when you're not sure about compatibility, availability, or where to find the right replacement. Automart Auto Parts helps make the process simple. We have helped many customers find replacement engines and transmissions for a wide range of vehicles, and our parts specialists are here to help you identify the right option for your vehicle.
With so many used engines for sale online, finding the correct replacement can be difficult. Automart Auto Parts helps make the process simpler by helping customers identify appropriate used engine applications based on their vehicle information.
With multiple warehouse locations across the state, we can help customers connect with available parts closer to their area. Our network and inventory sources allow our team to check available replacement engines and transmissions based on your vehicle's requirements.
Trusted by Customers
We've helped many customers with their replacement engine and transmission needs, providing assistance throughout the process.
Multiple Warehouse Locations
With multiple warehouse locations across the state, our network helps us serve customers in different areas and check for available parts closer to them.
Fitment Assistance
Not sure which engine or transmission you need? Our parts specialists can help verify your vehicle and part information before you move forward.
Availability & Pricing
We can check current availability and provide pricing information based on the replacement part your vehicle requires.
A Simpler Way to Find Your Replacement Part
You don't have to spend hours comparing used motors for sale and trying to determine which engine will work with your vehicle.
Tell our team your vehicle's year, make, model, engine size and VIN when available. Our parts specialists can use that information to help identify the appropriate replacement application and check available options.
Whether you need a used engine for a car, truck or SUV, starting with accurate vehicle information makes it easier to narrow down the correct replacement.
Looking for a 2019 GMC Sierra Engine?
Check the application below before requesting availability:
2019 GMC Sierra Denali 1500 • 5.3L V8 • L84 • VIN D
Whether you searched for a used GMC Sierra engine, GMC Sierra motor, or a replacement 5.3L engine, start with VIN verification.
How It Works
Finding the right replacement engine or transmission is simple. Tell us about your vehicle and our parts specialists will help you find the right replacement option.
Tell Us Your Vehicle
Provide your vehicle's year, make, model and engine or transmission information. We may also ask for your VIN to help confirm compatibility.
Tell Us What You Need
Let us know whether you're looking for a used engine, replacement engine, used transmission or replacement transmission.
We Check Availability
Our parts specialists check available inventory and supplier options to help identify a suitable replacement for your vehicle.
Get Your Quote
Once an appropriate option is identified, our team can provide available pricing and relevant part details for you to review.
FAQ
What engine does this page cover?
This page covers the 2019 GMC Sierra Denali 1500 5.3L L84 V8 with VIN D in the 8th digit.
What does L84 mean?
L84 is GM’s engine option code for this 5.3L Gen V V8 application.
What does VIN D mean?
For this application, D is the 8th VIN character associated with the L84 5.3L engine.
How much horsepower does the L84 produce?
GM lists the L84 at 355 hp at 5,600 rpm and 383 lb-ft at 4,100 rpm in its published specifications.
Can another 5.3L engine replace my L84?
Don't assume that it can. Even when displacement is the same, engine application, electronics, fuel system, calibration and vehicle configuration can differ.
How do I check availability?
Contact Automart with your VIN and vehicle information. We can help verify the application and check the available engine option.
Need a 2019 GMC Sierra Denali 5.3L Engine?
Don’t order based on year + model + 5.3L alone.
For this application, the important combination is:
2019 GMC Sierra Denali 1500
5.3L V8 • L84 • VIN D
Send us your VIN and let our team help verify the correct replacement engine.
VIN-based fitment assistance • Used replacement options • Nationwide availability
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