HomeElectrical, Lighting and Body > Lighting - ExteriorDepo 335-1934L-ASN Tail Light Assembly - Left
Part #: 335-1934L-ASN

Depo 335-1934L-ASN Tail Light Assembly - Left

Left
16 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$88.63Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: GMC, Sierra 2500 HD, Sierra 3500 HD, and Sierra 1500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Depo Tail Light Assembly 335-1934L-ASN

The Depo tail light assembly 335-1934L-ASN is designed specifically for GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD models. This exterior lighting component ensures proper rear illumination and signaling, maintaining vehicle safety and compliance with road regulations.

  • Direct replacement tail light assembly for GMC Sierra 1500, 2500 HD, and 3500 HD
  • Durable construction for long-lasting performance
  • OEM-style fit and finish for seamless integration
  • Includes all necessary mounting points for straightforward installation
  • Designed to meet or exceed original equipment specifications

Detailed Product Description

The Depo 335-1934L-ASN tail light assembly is engineered to match the exact specifications of the original equipment on GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD trucks. This ensures a precise fit and reliable operation. The assembly provides clear and consistent rear lighting, including brake, turn signal, and reverse functions. Its robust housing protects internal components from moisture and debris, contributing to extended service life. The part number 335-1934L-ASN corresponds to the left side tail light, designed to integrate seamlessly with the vehicle’s existing wiring harness and mounting points.

Common Applications and Problem Resolution

  • Replacement for cracked or broken tail light lenses
  • Restores proper brake and turn signal visibility
  • Fixes electrical issues caused by damaged tail light assemblies
  • Improves vehicle safety by ensuring rear lighting compliance
  • Addresses water intrusion problems in original tail light units

Installation Notes and Tips

  • Compatible with GMC Sierra 1500, 2500 HD, and 3500 HD models; verify vehicle year for exact fit
  • Installation requires basic hand tools and moderate mechanical skill
  • Disconnect the vehicle battery before installation to prevent electrical shorts
  • Ensure all connectors are securely attached to avoid lighting malfunctions
  • Test all light functions after installation to confirm proper operation

Quality Assurance and Warranty

Depo manufactures the 335-1934L-ASN tail light assembly to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details may vary, Depo typically offers a limited warranty covering defects in materials and workmanship. This provides added confidence in the product’s quality and longevity when installed on compatible GMC Sierra 1500, 2500 HD, and 3500 HD vehicles.

This part fits 16 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2012GMCSierra 2500 HDLeftSingle Rear Wheels; 2nd Design; GM2800250; Single Rear Wheels; 2nd Design; OEM: 20840273; OEM: 20840273
2012GMCSierra 3500 HDLeftSingle Rear Wheels; 2nd Design; GM2800250; Single Rear Wheels; 2nd Design; OEM: 20840273; OEM: 20840273
2011GMCSierra 1500SLLeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2011GMCSierra 1500SLTLeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2011GMCSierra 1500WTLeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2011GMCSierra 1500SLELeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2011GMCSierra 1500HybridLeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2011GMCSierra 2500 HDLeftSingle Rear Wheels; 2nd Design; GM2800250; Single Rear Wheels; 2nd Design; OEM: 20840273; OEM: 20840273
2011GMCSierra 3500 HDLeftSingle Rear Wheels; 2nd Design; GM2800250; Single Rear Wheels; 2nd Design; OEM: 20840273; OEM: 20840273
2010GMCSierra 1500SLLeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2010GMCSierra 1500SLTLeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2010GMCSierra 1500WTLeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2010GMCSierra 1500SLELeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2010GMCSierra 1500HybridLeft2nd Design; 2nd Design; OEM: 20840273; GM2800250; 2nd Design; OEM: 20840273; OEM: 20840273
2010GMCSierra 2500 HDLeftSingle Rear Wheels; 2nd Design; GM2800250; Single Rear Wheels; 2nd Design; OEM: 20840273; OEM: 20840273
2010GMCSierra 3500 HDLeftSingle Rear Wheels; 2nd Design; GM2800250; Single Rear Wheels; 2nd Design; OEM: 20840273; OEM: 20840273

* 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:

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