HomeElectrical, Lighting and Body > Lighting - ExteriorTYC 20-3017-78-9 Headlight Assembly - Left
Part #: 20-3017-78-9

TYC 20-3017-78-9 Headlight Assembly - Left

CAPA Certified, Left
⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$68.80Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦CAPA Certified, Left
🚗Fitment: Dodge, Ram 1500, Ram 2500, and Ram 3500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of TYC CAPA Certified Headlight Assembly

The TYC CAPA Certified Headlight Assembly 20-3017-78-9 is designed specifically for Dodge Ram 1500, Ram 2500, and Ram 3500 models. This headlight assembly includes both high and low beam halogen bulbs, providing reliable exterior lighting performance for your vehicle.

  • Includes halogen bulbs for both high and low beams
  • Durable plastic lens and housing materials
  • Meets SAE/DOT compliance standards
  • Compatible with Dodge Ram 1500, 2500, and 3500
  • Part number 20-3017-78-9 for precise fitment

Detailed Product Features and Specifications

This headlight assembly features a plastic lens and housing, which balances durability with weight savings. Both the high beam and low beam bulbs are halogen type, with the low beam specifically using a halogen HB1 bulb. The assembly comes complete with bulbs included, eliminating the need for separate purchases. It is designed to meet SAE and DOT compliance, ensuring it adheres to safety and regulatory standards for exterior vehicle lighting.

About the CAPA Certified Product Line

The CAPA Certified line from TYC represents parts that meet the Certified Automotive Parts Association standards. This certification ensures that the headlight assembly 20-3017-78-9 maintains quality and fitment comparable to original equipment. Choosing a CAPA Certified part means selecting a component that has undergone rigorous testing for performance and durability, suitable for Dodge Ram 1500, 2500, and 3500 trucks.

Common Applications and Problem Resolution

  • Replacement for damaged or cracked headlight lenses
  • Restores proper lighting performance for night driving
  • Fixes issues with non-functioning high or low beam bulbs
  • Improves vehicle safety by meeting DOT lighting standards
  • Resolves moisture or fogging problems inside the headlight assembly

Installation Notes and Tips

Installation of the TYC 20-3017-78-9 headlight assembly is straightforward for those familiar with automotive lighting components. It is recommended to disconnect the vehicle battery before installation to avoid electrical issues. Ensure the assembly is securely mounted and all electrical connectors are properly attached. For the opposite side, use part number 20-3016-78-9 to maintain consistent lighting performance.

Quality Assurance and Warranty Information

TYC provides CAPA Certified parts that comply with industry standards for quality and fitment. This headlight assembly is SAE/DOT compliant, ensuring it meets safety regulations. While specific warranty details are not provided here, CAPA Certified parts typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.

BrandTYC
Part Number20-3017-78-9
PositionCAPA Certified, Left
Bulb TypeHalogen
Bulbs IncludedYes
High Beam Bulb IncludedYES
High Beam Bulb TypeHalogen
Housing MaterialPlastic
Lens MaterialPlastic
Low Beam Bulb IncludedYES
Low Beam Bulb TypeHalogen HB1
Other Side20-3016-78-9
Sae/dot CompliantYes

This part fits 27 vehicles. Search below:

YearMakeModelPositionNotes
2002DodgeRam 1500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
2002DodgeRam 2500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
2002DodgeRam 3500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
2001DodgeRam 1500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
2001DodgeRam 2500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
2001DodgeRam 3500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
2000DodgeRam 1500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
2000DodgeRam 2500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
2000DodgeRam 3500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
1999DodgeRam 1500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
1999DodgeRam 2500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
1999DodgeRam 3500Leftw/o Sport Pkg; Other Side: 20-3016-78-9; Full Size; CAPA Certified
1998DodgeRam 1500LeftOther Side: 20-3016-78-9; CAPA Certified
1998DodgeRam 2500LeftOther Side: 20-3016-78-9; CAPA Certified
1998DodgeRam 3500LeftOther Side: 20-3016-78-9; CAPA Certified
1997DodgeRam 1500LeftOther Side: 20-3016-78-9; CAPA Certified
1997DodgeRam 2500LeftOther Side: 20-3016-78-9; CAPA Certified
1997DodgeRam 3500LeftOther Side: 20-3016-78-9; CAPA Certified
1996DodgeRam 1500LeftOther Side: 20-3016-78-9; CAPA Certified
1996DodgeRam 2500LeftOther Side: 20-3016-78-9; CAPA Certified
1996DodgeRam 3500LeftOther Side: 20-3016-78-9; CAPA Certified
1995DodgeRam 1500LeftOther Side: 20-3016-78-9; CAPA Certified
1995DodgeRam 2500LeftOther Side: 20-3016-78-9; CAPA Certified
1995DodgeRam 3500LeftOther Side: 20-3016-78-9; CAPA Certified
1994DodgeRam 1500LeftOther Side: 20-3016-78-9; CAPA Certified
1994DodgeRam 2500LeftOther Side: 20-3016-78-9; CAPA Certified
1994DodgeRam 3500LeftOther Side: 20-3016-78-9; CAPA Certified

* 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:

55076749AO

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