Skip to product information
Blow-Off Valve Spacer for 2019-2023 Silverado Sierra 1500 2.7L Turbo

Blow-Off Valve Spacer for 2019-2023 Silverado Sierra 1500 2.7L Turbo

SKU: NLT1M00280
$32.99 In Stock
$32.99
Sale price  $32.99 Regular price 
Ships for free in 2–4 business days.
This new aftermarket blow-off valve spacer adapter fits compatible 2019-2023 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks with the 2.7L turbo engine.
Estimated delivery between
Shop at Northline Parts Best Customer Service Best Online Parts

Let Northline Parts Do the Heavy Lifting for You!

Not sure which part you need? Our team can help you find the right replacement.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • Chevrolet Silverado 1500 2.7L turbo — 2019-2023
  • GMC Sierra 1500 2.7L turbo — 2019-2023

Product Overview

This spacer is for a 2.7L turbo Silverado or Sierra owner who wants a sharper air-release sound when lifting off the throttle. It changes the sound at the bypass valve; it is not a repair for a boost leak or a promised power gain.

The spacer vents air at the compatible valve location to create a sharper release sound during throttle lift. It is a sound accessory, not a guaranteed power upgrade or fix for boost faults.

Key Features & Performance

  • Adds audible turbo air-release sound
  • Uses the compatible factory valve location
  • Does not require a complete replacement valve

Common Uses

  • Changing turbo sound during throttle lift
  • Adding a spacer-style accessory
  • Customizing a 2.7L turbo truck

Technical Specifications

  • Product Type: Blow-off / bypass spacer
  • Engine: 2.7L turbo gasoline
  • Vehicles: Silverado 1500 / Sierra 1500
  • Model Years: 2019-2023
  • Primary Effect: Audible air release
  • Replacement Type: Aftermarket accessory

Installation & Fitment

  • Confirm engine and valve layout
  • Allow the engine to cool
  • Keep dirt out of charge-air openings
  • Install seals and torque evenly
  • Check for leaks, warning lights, and normal drivability

Compatibility Notice

Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.

Confirm the 2.7L turbo engine and matching valve layout. It is not listed for V8, diesel, or other turbo systems; check local emissions and noise rules.

Frequently Asked Questions

Q: Will it add horsepower? A: It is primarily purchased for sound; do not expect a meaningful power gain.

Q: Can it fix an underboost code? A: No. Leaks, sensors, wastegate control, and turbo condition require diagnosis.

Q: Will the truck need a tune? A: Often not for a simple spacer, but confirm for the exact vehicle.

Q: Why check for leaks? A: A pinched seal can let charge air escape and create poor performance or fault codes.

Part Summary

keywords: Silverado 2.7 turbo spacer, Sierra blow-off adapter, 2019-2023 L3B turbo sound, Chevy GMC bypass spacer, 2.7L air-release adapter

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

Customers also purchased