MOPAR 68234984AK Diesel Exhaust Fluid Tank

( Manufacturer Part Number: 68234984AK ), ( Part Type: Fluid Exhaust Tank ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Jeep ), ( Year: 2016 2017 2018 ), ( Parts Included: Only Part Reference 11 On The Diagram Is Included ), ( Replaces Part Number: 68234984ag, 68234984ah, 68234984aj )

Review MOPAR Genuine Diesel Exhaust Fluid Tank fits 2016–2018

The **Mopar 68234984AK Diesel Exhaust Fluid (DEF) Tank** is a high-quality, precision-engineered component designed exclusively for modern diesel-powered vehicles equipped with Selective Catalytic Reduction (SCR) systems. This robust, corrosion-resistant tank is engineered to securely store and dispense **AdBlue -compliant DEF**, ensuring optimal performance and compliance with stringent emissions regulations. Crafted from durable, food-grade polyethylene, the tank is built to withstand the rigors of daily use while maintaining the integrity of the fluid, preventing contamination and preserving its effectiveness in reducing harmful nitrogen oxide (NOx) emissions. The tank features a **tight-sealing lid with an integrated filler neck**, complete with a secure gasket to prevent leaks and spills, even in challenging driving conditions. Its sleek, streamlined design integrates seamlessly with Mopar s reputation for reliability, offering a perfect balance of functionality and durability for both light-duty and heavy-duty diesel applications. Whether installed in a pickup truck, SUV, or commercial vehicle, this DEF tank ensures a consistent and efficient supply of DEF, helping to extend the lifespan of the SCR system and maintain peak engine performance. Built to meet or exceed OEM specifications, the Mopar 68234984AK DEF Tank is a trusted choice for drivers who demand performance, longevity, and peace of mind in their vehicle s emissions control system.

**Pros and Cons of buying a Mopar 68234984AK Diesel Exhaust Fluid (DEF) Tank**

The **Mopar 68234984AK** is a replacement DEF tank designed for select Dodge, Ram, and Jeep diesel vehicles equipped with Selective Catalytic Reduction (SCR) systems. Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

1. **OEM Quality and Fit**

The Mopar brand is known for producing genuine or high-quality aftermarket parts that closely match original equipment manufacturer (OEM) specifications. This ensures a proper fit, reducing the risk of leaks or misalignment during installation.

2. **Compatibility with Selective Catalytic Reduction (SCR) Systems**

DEF tanks are critical for diesel vehicles with SCR systems, which require DEF to reduce nitrogen oxide emissions. The 68234984AK is specifically engineered for certain **2017 2023 Dodge Ram 1500/2500/3500, Jeep Grand Cherokee, and Durango** models with Cummins or EcoDiesel engines. Using an OEM or high-quality aftermarket part ensures compatibility with the vehicle s emissions system.

3. **Durability and Material Quality**

Mopar parts are typically made from durable materials, such as reinforced plastic or metal, designed to withstand the rigors of under-hood environments. This reduces the likelihood of cracking or deformation over time, especially in vehicles used for heavy-duty or off-road applications.

4. **Easy Installation**

The tank is designed to be a straightforward drop-in replacement, often requiring minimal tools and no modifications to the vehicle s wiring or plumbing. Installation guides and step-by-step instructions are usually provided, making it accessible for DIYers or mechanics.

5. **Warranty Coverage**

Mopar parts often come with a manufacturer s warranty, typically covering defects in materials or workmanship for a set period (e.g., 12 60 months). This provides peace of mind against premature failure due to manufacturing issues.

6. **Support for Emissions Compliance**

For vehicles subject to emissions regulations (e.g., EPA, CARB), using an approved DEF tank ensures the SCR system functions correctly, avoiding potential failure modes or check engine lights related to DEF system malfunctions.

7. **Availability of Accessories**

Mopar offers related DEF system components (e.g., hoses, pumps, or connectors) as part of their lineup, simplifying the process of replacing multiple parts if needed.

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### **Cons**

1. **Higher Cost Compared to Generic Brands**

Mopar parts are priced higher than many generic or no-name aftermarket alternatives. While the quality justifies the cost for some buyers, others may opt for cheaper options if they prioritize cost savings over brand reputation.

2. **Limited Availability for Older or Niche Models**

The 68234984AK is tailored for specific **2017 2023** models. If your vehicle is outside this range or a less common variant, finding the exact Mopar part may be difficult, and you might need to settle for a generic alternative.

3. **Potential Overkill for Non-Emissions-Related Issues**

If the original DEF tank failed due to a non-OEM issue (e.g., a cracked hose or a faulty pump), replacing only the tank with a Mopar part may not address the root cause. A thorough diagnosis is recommended to avoid recurring problems.

4. **Installation Challenges for Non-Mechanics**

While the tank itself is relatively simple to install, some vehicles may require additional steps (e.g., recalibrating the SCR system or resetting the DEF system codes). Inexperienced DIYers might encounter difficulties or void warranties if not done correctly.

5. **DEF System Dependency**

The tank is only one component of the DEF system. If other parts (e.g., the DEF pump, injector, or SCR catalyst) are failing, replacing just the tank will not resolve the underlying issue. This could lead to repeated replacements or unnecessary expenses.

6. **Environmental and Handling Considerations**

DEF is a urea-based solution that can degrade if exposed to extreme temperatures or contamination. Improper handling (e.g., spills, mixing with fuel, or using expired DEF) can damage the tank or the SCR system. Mopar does not address these handling concerns only the tank itself.

7. **Potential for Counterfeit Parts**

While less common with Mopar, there is a risk of purchasing counterfeit parts from untrusted sellers. Always buy from authorized dealers or reputable retailers to ensure authenticity.

---

### **Conclusion**

The **Mopar 68234984AK DEF tank** is a reliable and high-quality choice for owners of **2017 2023 Dodge Ram, Jeep Grand Cherokee, or Durango diesel vehicles** with SCR systems. Its OEM-level fit, durability, and warranty support make it a strong option for those who prioritize long-term performance and emissions compliance. However, the higher cost and potential overkill for non-systemic failures may deter budget-conscious buyers or those seeking generic alternatives.

For most users, the **pros outweigh the cons**, especially if the tank is part of a broader emissions system maintenance plan. If cost is a major concern, a **high-quality aftermarket DEF tank** (e.g., from **Dorman, ACDelco, or a trusted brand**) could be a viable alternative, provided it meets the vehicle s specifications.

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### **Recommendation**

- You own a **2017 2023 Dodge Ram 1500/2500/3500, Jeep Grand Cherokee, or Durango** with a Cummins or EcoDiesel engine.

- You value **OEM compatibility, durability, and warranty coverage**.

- You are replacing the tank as part of a **routine emissions system check-up** or after a confirmed failure.

- You have access to **authorized Mopar dealers or trusted retailers** to avoid counterfeit parts.

- Your vehicle is **outside the supported model range** and you cannot find a direct replacement.

- You are **strictly on a budget** and can verify that a **generic DEF tank** (e.g., from **Dorman or RockAuto**) is compatible.

- The **DEF system has other failing components** (e.g., pump, injectors), and you need a full system overhaul rather than a single-part fix.

For most applications, the **Mopar 68234984AK is the best choice** due to its reliability and fitment. However, always pair its purchase with a **full DEF system inspection** to ensure long-term functionality. If in doubt, consult a **certified diesel technician** before purchasing.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Got a question. Parts must be resalable and in the original packaging. If a part is not in stock and must be ordered from the manufacturer, availability will depend on which depot country it can sourced.

Give me a ring. Theres a lot of variation for seemingly simple items. 720 600 4333. Electrical parts are not returnable.

part #: 68234984ak prices

• $730.30-$820.75

specifications fueltanksysteme:

• for makes: Mopar
• for years: 2016-2018
• mpn: 68234984ak
• part type: Fluid Exhaust Tank
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Jeep
• year: 2016 2017 2018
• parts included: Only Part Reference 11 On The Diagram Is Included
• replaces part number: 68234984ag, 68234984ah, 68234984aj

seller fueltanksysteme:

• rating: 100.0%
• city: Longmont, Colorado
• # reviews: 279

shipping fueltanksysteme:

• transit: 5-10 Days
• service: Standard, Expedited, Overnight
• class: Standard, Expedited, One-day
• cost: $47.91
• type: Fixed

payments fueltanksysteme:

• credit card: Mastercard
• other
• wallet: Apple-pay

general fueltanksysteme:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

offer fueltanksysteme:

• sold: 0
• availability: In Stock
• started: April 9, 2026
• quantity: 4
• options: Ship-to-home

returns fueltanksysteme:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

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