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Teraflex 3990731 AdvanTEK HD Differential Cover for 18-26 Jeep Wrangler JL & Gladiator JT with Dana 30 Front Axle

Quadratec Part #: 12011-9103
Teraflex Part #: 3990731
In Cart Price
$173.99
Guaranteed Best Price
$173.99
In Stock
Ships today if you order within 10 hours 13 min.
Description
The Teraflex AdvanTEK HD Differential Cover is made to stand up everything an offroad trail can throw at them, with a thick iron housing to protect your diff from rocks, derbies, and other obstacles.
Details

Large Fill Tube: Features a large diameter fill tube/inspection port at the top to accommodate a funnel

Inspection Port: Fluid level port doubles as a mid-height inspection port

Installation Notes
Installation Difficulty:
Skill Level 2 IconLevel 2Intermediate
Installation Time: 1-2 hours
Parts Included
  • AdvanTEK Differential Cover

  • Installation Hardware

Warranty
Limited Lifetime Warranty
  • Features: #12 Parrifin Waxed Canvas or Dana 44 (M210)
  • Color: Black
*Please make a selection above to view weight, dimensions, specs of a specific product
  • Jeep Gladiator (JT)

  • 2026 Jeep Gladiator (JT)
  • 2025 Jeep Gladiator (JT)
  • 2024 Jeep Gladiator (JT)
  • 2023 Jeep Gladiator (JT)
  • 2022 Jeep Gladiator (JT)
  • 2021 Jeep Gladiator (JT)
  • 2020 Jeep Gladiator (JT)
  • Jeep Wrangler 2-Door (JL)

  • 2026 Jeep Wrangler 2-Door (JL)
  • 2025 Jeep Wrangler 2-Door (JL)
  • 2024 Jeep Wrangler 2-Door (JL)
  • 2023 Jeep Wrangler 2-Door (JL)
  • 2022 Jeep Wrangler 2-Door (JL)
  • 2021 Jeep Wrangler 2-Door (JL)
  • 2020 Jeep Wrangler 2-Door (JL)
  • 2019 Jeep Wrangler 2-Door (JL)
  • 2018 Jeep Wrangler 2-Door (JL)
  • Jeep Wrangler Unlimited 4-Door (JL)

  • 2026 Jeep Wrangler Unlimited 4-Door (JL)
  • 2025 Jeep Wrangler Unlimited 4-Door (JL)
  • 2024 Jeep Wrangler Unlimited 4-Door (JL)
  • 2023 Jeep Wrangler Unlimited 4-Door (JL)
  • 2022 Jeep Wrangler Unlimited 4-Door (JL)
  • 2021 Jeep Wrangler Unlimited 4-Door (JL)
  • 2020 Jeep Wrangler Unlimited 4-Door (JL)
  • 2019 Jeep Wrangler Unlimited 4-Door (JL)
  • 2018 Jeep Wrangler Unlimited 4-Door (JL)

Teraflex AdvanTEK HD Differential Cover Options

Part NumberCatalog #Axle OptionPrice
399073112011-9103Dana 30 Front (M186)$173.99
399074412011-9104Dana 44 Front (M210)$185.99
399074512011-9105Dana 44 Rear (M220)$185.99
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