Guaranteed 12/24 Delivery Still Available see item page for details! available on most items - Details

Talk to a Sierra 1500 Sales Tech
1-888-706-1096
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $4,000! Enter Daily

Find Tuners for your Sierra 1500

Diablosport inTune I3 Platinum Tuner (14-15 4.3L Sierra 1500)Find parts that fit my vehicle

Item S525128-43
Product Image
Verify parts fit and get product recommendations.
Sierra 1500 Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
Call now 1-888-706-1096 Chat Now
$387.86
120 Reviews
On Sale

-10% $387.86 each Was $430.95

Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Loading Indicator

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Performance Tuner
      • Augmented Horsepower Output
      • Includes 3 Preset Soft Tune Settings
      • Max Horsepower Gain: 20 HP Max
      • Max Torque Gain: 20 Pounds Per Feet Max
      • OBDII Porting
      • Basic Installation
      • Limited 1-Year Warranty
      • Fits All 2014-2015 4.3L Sierra 1500 Models

      Description

      Augmented Horsepower Output. Experience a boost in horsepower and torque, giving you the power you need to conquer the road ahead. Whether you're cruising on the highway or tearing up the track, the Diablosport inTune i3 Platinum Tuner will deliver an adrenaline-pumping experience. This soft tuner optimizes your engine's performance, providing smoother and more responsive throttle response.

      Installation. This product is easy to install and should take about 30 minutes.

      Warranty. There is a 1-year limited warranty on this product.

      Application. The Diablosport inTune I3 Platinum Tuner fits all 2014-2015 4.3L Sierra 1500 models.

      Fitment:

      Details

      Diablosport 8245

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Performance Tuner
      4.7

      Customer Reviews (120)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 1500

      • 4.3L V6 - 14, 15

          Word on the Trail

          American Trucks offers so much assistance and information, that it's like being best friends with a mechanic that loves to tinker with his toys. I will go out of my way to buy from American Trucks because of their customer service.

          rdw343
          Previous Slide Next Slide