HomeEmission Control > EGR and Related ComponentsStandard Ignition ETB181 Exhaust Gas Recirculation (EGR) Tube
Part #: ETB181

Standard Ignition ETB181 Exhaust Gas Recirculation (EGR) Tube

24 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD
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Standard Ignition ETB181 EGR Tube

The Standard Ignition ETB181 is an exhaust gas recirculation tube for select GM heavy-duty diesel applications. It is built around a 2-inch inner diameter and 20.5-inch length to match the specified EGR routing on covered vehicles.

Key Features

  • Exhaust Gas Recirculation (EGR) tube for emission control service
  • 2-inch inner diameter for the specified exhaust gas path
  • 20.5-inch overall length
  • Direct-fit application coverage for select Chevrolet Silverado 2500 HD and Silverado 3500 HD models
  • Direct-fit application coverage for select GMC Sierra 2500 HD and Sierra 3500 HD models
  • Standard Ignition ETB181 part number for catalog matching and service lookup

Detailed Description

Standard Ignition ETB181 is an EGR tube used in emission control systems to route exhaust gases through the recirculation circuit on supported trucks. This part is listed for 2011-2016 Chevrolet Silverado 2500 HD, 2011-2016 Chevrolet Silverado 3500 HD, 2011-2016 GMC Sierra 2500 HD, and 2011-2016 GMC Sierra 3500 HD. If you are sourcing an EGR tube for a Chevrolet Silverado 2500 HD or GMC Sierra 3500 HD, ETB181 provides the listed dimensions and application coverage needed for catalog-based replacement.

This part cross-references OE-style numbers 12632253 and AR211 for the same application.

What It Is Used For

  • Replacing a damaged or corroded EGR tube
  • Restoring exhaust gas routing in the recirculation system
  • Addressing exhaust leaks at the EGR tube path
  • Correcting fitment issues caused by a bent or mismatched tube
  • Supporting emission control service on Silverado and Sierra HD trucks

Installation Notes and Tips

Verify the vehicle year, make, model, and emission system configuration before ordering. Confirm the 2-inch inner diameter and 20.5-inch length against the original tube to ensure proper routing and connection points. For best results, inspect adjoining EGR components, seals, and mounting surfaces for wear or carbon buildup during replacement.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for replacement electrical and engine management components. ETB181 is cataloged as an emission control EGR tube and should be matched to the listed applications before installation.

BrandStandard Ignition
Part NumberETB181
ContentsEgr tube
Inner Diameter (I.D.) - Inches2
Length - Inches20.5"

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016ChevroletSilverado 2500 HD6.6LV8N/A
2016ChevroletSilverado 3500 HD6.6LV8N/A
2016GMCSierra 2500 HD6.6LV8N/A
2016GMCSierra 3500 HD6.6LV8N/A
2015ChevroletSilverado 2500 HD6.6LV8N/A
2015ChevroletSilverado 3500 HD6.6LV8N/A
2015GMCSierra 2500 HD6.6LV8N/A
2015GMCSierra 3500 HD6.6LV8N/A
2014ChevroletSilverado 2500 HD6.6LV8N/A
2014ChevroletSilverado 3500 HD6.6LV8N/A
2014GMCSierra 2500 HD6.6LV8N/A
2014GMCSierra 3500 HD6.6LV8N/A
2013ChevroletSilverado 2500 HD6.6LV8N/A
2013ChevroletSilverado 3500 HD6.6LV8N/A
2013GMCSierra 2500 HD6.6LV8N/A
2013GMCSierra 3500 HD6.6LV8N/A
2012ChevroletSilverado 2500 HD6.6LV8N/A
2012ChevroletSilverado 3500 HD6.6LV8N/A
2012GMCSierra 2500 HD6.6LV8N/A
2012GMCSierra 3500 HD6.6LV8N/A
2011ChevroletSilverado 2500 HD6.6LV8N/A
2011ChevroletSilverado 3500 HD6.6LV8N/A
2011GMCSierra 2500 HD6.6LV8N/A
2011GMCSierra 3500 HD6.6LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12632253AR211EGT181EGT500

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.