• Cold Air Intake for Chevrolet Suburban 2015-2019 5.3L V8 Engine
  • Cold Air Intake for Chevrolet Suburban 2015-2019 5.3L V8 Engine

Cold Air Intake for Chevrolet Suburban (2015-2019) 5.3L V8 Engine

$199.99
$199.99
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Breathe Better and Improve Throttle Response for the 2015-2019 Chevrolet Suburban 5.3L EcoTec3

Who It’s For: Designed specifically for Chevrolet Suburban owners running the EcoTec3 L83 engine who want to improve the efficiency and sound of their 5.3L V8.

The Problem: The factory intake system on the EcoTec3 L83 is designed for silence above all else. It features a heavy, baffled resonator box and corrugated plastic tubing that creates massive air turbulence. This restriction chokes the V8, leading to sluggish throttle response and a muted exhaust note that hides the true character of the 5.3L engine.

The Solution: We have replaced the restrictive plastic assembly with a high-flow T304 aluminum intake system. This kit removes the turbulence-inducing factory baffles, allowing the EcoTec3 engine to pull in a higher volume of air with less effort. This results in a noticeable improvement in low-end torque and a much crisper response when you step on the gas.

Why This is the Ultimate Upgrade

  • Enhanced Power Delivery: Real-world gains of up to 10% in horsepower and torque by optimizing the air-to-fuel ratio and reducing intake vacuum.
  • T304 Aluminum Construction: Unlike cheap plastic kits, our lightweight aluminum piping dissipates heat faster and won’t crack or degrade over thousands of heat cycles.
  • Maintenance-Free Performance: Features a high-velocity washable filter that only requires cleaning every 50,000 miles, eliminating the need for expensive paper filter replacements.

Technical Specifications

Fitment 2015-2019 Chevrolet Suburban
Engine Family EcoTec3 L83 V8
Factory Ratings 355 HP & 383 LB-FT Torque
Part Numbers 5.3L V8 Suburban Intake Assembly 2015 2016 2017 2018 2019

Compatibility & OEM Reference

Fits the Following Vehicles:

  • 2015 Chevrolet Suburban 5.3L V8
  • 2016 Chevrolet Suburban 5.3L V8
  • 2017 Chevrolet Suburban 5.3L V8
  • 2018 Chevrolet Suburban 5.3L V8
  • 2019 Chevrolet Suburban 5.3L V8

Interchange Part Numbers:

2015, 2016, 2017, 2018, 2019, 5.3, 5.3L, V8, EcoTec3, L83

The Performance Promise

Buy with confidence. This kit is a direct bolt-on and will not void your vehicle warranty. For the best results, we recommend disconnecting your battery for 10 minutes after installation to allow the ECU to recalibrate for the increased airflow. Backed by real automotive experts and fast shipping.

Fitment

Make

Chevrolet

Engine Size
  • 5.3L

Year
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019

Installation & Tools

The Wrench Time

  • Estimated Time: 45-60 Minutes
  • Difficulty: 3/10 - Straightforward bolt-on upgrade for the K2XX platform requiring basic hand tools.

Tools You Will Need

  • 10mm socket and ratchet (with 6-inch extension)
  • 10mm open-end wrench
  • 8mm nut driver or flathead screwdriver
  • T15 Torx driver
  • Panel popper tool or flat trim tool
Mechanic’s Pro Tip (The "Gotcha"):
On the 2015-2019 Chevrolet Suburban 5.3L (K2XX chassis), the dual PCV quick-connect fittings on the factory intake runner get heavily heat-soaked. Do not pry or twist the hoses. Press the gray release ring inward with your thumb and gently slide the fitting off. Snapping these clips will cause an unmetered vacuum leak and throw persistent P0171/P0174 lean codes. Additionally, take extreme care when transferring the delicate Mass Air Flow (MAF) sensor—never touch the internal wire grid.

Phase 1: Removing the Factory Intake

  1. Disconnect the Battery: Pop the hood of your 2015-2019 Chevrolet Suburban 5.3L and disconnect the negative battery cable using a 10mm wrench. Isolate the cable terminal away from the battery post to prevent accidental contact.
  2. Disconnect the MAF Sensor: Locate the MAF sensor on the OEM intake tube near the air filter box. Slide the red locking tab backward, depress the center release clip, and disconnect the harness. Using a T15 Torx driver, remove the two factory retaining screws, carefully pull the MAF sensor straight out, and set it on a clean microfiber towel.
  3. Disconnect PCV Breather Lines: Release the PCV ventilation tubes connected to both sides of the factory intake baffle assembly by depressing the gray quick-release collars and pulling the fittings clear.
  4. Loosen OEM Coupler Clamps: Use an 8mm nut driver or flathead screwdriver to loosen the hose clamp securing the intake tube to the throttle body, as well as the clamp securing the tube to the air filter housing.
  5. Extract Factory Intake & Airbox: Unclip the factory upper airbox lid and lift the large OEM resonator assembly out of the engine bay. Firmly pull the lower airbox housing straight upward to dislodge it from the rubber mounting grommets in the vehicle inner fender tray.

Phase 2: Installing the Cold Air Intake

  1. Mount the New Heat Shield/Airbox: Position the aftermarket lower heat shield or airbox assembly into the factory mounting location. Ensure the bottom mounting pins firmly seat into the factory rubber grommets, and secure any included bracket hardware using a 10mm socket.
  2. Transfer and Seat the MAF Sensor: Insert the factory MAF sensor into the new intake tube bung, ensuring the directional airflow arrow points toward the throttle body. Secure the sensor using the provided hardware and a T15 Torx driver. Tighten until snug; do not overtighten or you will strip the mounting threads.
  3. Install Couplers and Intake Tube: Slip the silicone coupler over the 5.3L throttle body and slide the intake tube into place. Tighten the throttle body clamp loosely with an 8mm nut driver to allow for alignment adjustment. Connect the PCV breather lines into the new intake bungs until an audible click is heard.
  4. Install Filter & Finalize Clamps: Attach the high-flow air filter onto the intake tube velocity stack within the heat shield. Tighten the filter clamp and all coupler band clamps using an 8mm nut driver, ensuring at least 1/2-inch clearance from radiator hoses and AC lines.
  5. Reconnect and Initial ECU Calibration: Reconnect the MAF wiring harness and push the red locking tab forward into the locked position. Reconnect the negative battery terminal using a 10mm wrench. Start the vehicle and do not touch the gas pedal for at least 20 seconds; allow the EcoTec3 L83 ECU to stabilize its idle and adjust airflow parameters to the new intake volume before driving.

Disclaimer: This is a general guide provided for the 2015-2019 Chevrolet Suburban 5.3L. Always refer to your factory service manual for exact torque specifications and safety procedures.

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]
Cold Air Intake for Chevrolet Suburban (2015-2019) 5.3L V8 Engine

$199.99