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🧾 Overview
The TeraFlex Dana 44 AdvanTEK M210 HD Differential Cover Kit is a heavy-duty front axle protection upgrade designed specifically for JL Wrangler and JT Gladiator platforms equipped with the newer AdvanTEK Dana 44 (M210) front axle.
Constructed from 3/8" thick high-strength ductile iron, this cover is built to handle real trail abuse—protecting your differential from rocks, debris, and hard impacts while reinforcing the axle housing under load.
Designed with modern serviceability in mind, it features a large-diameter fill port and mid-level inspection port, making fluid changes and checks easier than traditional covers.
✔ Heavy-duty protection for Dana 44 AdvanTEK (M210) front axles
✔ 3/8" thick ductile iron construction for extreme durability
✔ Reinforces axle housing and supports gear alignment
✔ Large fill port and inspection port for easier servicing
✔ Direct bolt-on upgrade for JL/JT platforms
🛠 Installation
- Direct bolt-on replacement for factory differential cover.
- Requires draining and refilling differential fluid.
- Estimated install time: ~1 hour
📌 Specs
📌 Key Features & Benefits
- 3/8" Ductile Iron Construction – Built to withstand impacts from rocks and trail obstacles.
- Axle Housing Reinforcement – Adds rigidity to maintain proper gear alignment under load.
- AdvanTEK-Specific Design – Engineered specifically for JL/JT M210 front axle housings.
- Large Fill Port – Makes fluid servicing easier with funnels or bottles.
- Inspection Port – Allows quick fluid level checks without full removal.
📘 Specifications
- Brand: TeraFlex
- Product Type: Differential Cover
- Axle Type: Dana 44 AdvanTEK (M210) – Front
- Material: 3/8" Thick Ductile Iron
- Finish: Black Powder Coat with Red TeraFlex Logo
- Weight: Approx. 15 lbs
- Mounting: Bolt-On
- Hardware: Included
- Installation Type: Bolt-On
- Sold As: Kit
📦 What’s Included (What’s in the Box)
- Differential Components
- (1) HD Differential Cover – M210 Front
- Mounting Hardware
🛡 Warranty
- TeraFlex Limited Lifetime Warranty
⚠️ Fitment Notes
- Jeep Wrangler JL (2018–Present)
- Jeep Wrangler Unlimited JL (2018–Present)
- Jeep Gladiator JT (2020–Present)
⚠️ Fitment Notes
- ❗ Designed for Dana 44 AdvanTEK (M210) FRONT axle only
- ❗ Will NOT fit standard Dana 44 (non-AdvanTEK) housings
- ❗ Front axle application only (M210 specific)
- ❗ RTV sealant or gasket required (not always included)