1. Fuel Tanks & Filler Necks Deals
  2. sku: 23827028755258793
  3. MERCEDES 36989TFSP

MERCEDES 36989TFSP Fuel Tank Cap

fits model: 3500, Sprinter. make: Mercedes. year: 2010–2015.

36989tfsp Genuine For 2010-2015 Mercedes Sprinter 3500 Fuel Tank Cap 2011 2012

( Manufacturer Part Number: 36989TFSP ), ( Part Type: Fuel Tank Cap ), ( Manufacturer Warranty: 12 Month Warranty ), ( Years: 2010 2011 2012 2013 2014 2015 ), ( Application: Mercedes Sprinter 3500 Fuel Tank Cap ), ( Cs-sku: 400 )

Review MERCEDES Genuine Fuel Tank Cap fits SPRINTER 3500 2010–2015

The **36989TFSP** is a meticulously engineered, high-performance fuel tank cap designed specifically for the **2010 2015 Mercedes-Benz Sprinter 3500** models, including the **2011 and 2012 generations**. Crafted from premium **high-grade polypropylene**, this fuel cap is built to withstand the rigorous demands of commercial and heavy-duty applications while ensuring optimal fuel system integrity. Its **precision-molded design** guarantees a perfect seal, preventing fuel vapors from escaping and reducing emissions, which is particularly critical for vehicles operating in demanding environments such as delivery fleets, service trucks, or off-road adventures. The cap features a **robust, tamper-resistant locking mechanism**, complete with a **durable metal latch** that securely fastens to the fuel filler neck, minimizing the risk of accidental dislodgment during transit or rough handling. Engineered to meet **OEM specifications**, this replacement part maintains the exact fit and function of the original equipment, ensuring compatibility with the Sprinter s fuel system without compromising performance or safety.

Beyond its functional excellence, the **36989TFSP** incorporates **reinforced structural integrity** to resist cracking, warping, or deformation under extreme temperature fluctuations whether enduring the scorching heat of a desert climate or the freezing conditions of a winter haul. Its **smooth, ergonomic grip** allows for easy installation and removal, even in tight or confined spaces, while the **integrated fuel venting system** ensures proper pressure regulation within the tank, preventing dangerous buildups that could lead to leaks or system malfunctions. For added convenience, the cap is designed with a **clear, unobstructed fuel nozzle opening**, enabling quick and hassle-free refueling without the need for excessive force or awkward positioning. Whether installed on a **diesel-powered Sprinter 3500** used for commercial cargo transport or a **luxury-adapted model** serving as a mobile workspace, this fuel tank cap delivers reliability, durability, and peace of mind proving itself as an indispensable component for maintaining the longevity and efficiency of your Mercedes-Benz vehicle.

### **Pros and Cons of buying a 36989TFSP Fuel Tank Cap for 2010 2015 Mercedes Sprinter 3500 (2011 2012 Models)**

#### **Pros:**

1. **Direct Fitment** This part is specifically designed for the 2010 2015 Mercedes-Benz Sprinter 3500 series, including the 2011 and 2012 model years. It ensures compatibility without modifications, reducing the risk of leaks or improper sealing.

2. **OEM-Quality Standards** The 36989TFSP is a genuine or high-quality aftermarket replacement, meaning it should meet Mercedes-Benz s engineering specifications. This helps maintain fuel system integrity and prevent contamination.

3. **Prevents Fuel Spills and Evaporation** A properly sealed fuel tank cap reduces fuel spills during refueling and minimizes fuel evaporation, improving fuel efficiency and reducing environmental impact.

4. **Easy Installation** The part is designed for straightforward replacement, typically requiring only basic tools. Many users report that it can be installed in under an hour with minimal effort.

5. **Durability** Made from materials resistant to fuel and weather conditions, this cap should last the lifespan of the vehicle if installed correctly.

6. **Compatibility with Fuel Filler Neck** The design matches the Sprinter s fuel filler neck, ensuring a snug fit and preventing debris from entering the tank.

7. **Available from Reputable Sellers** If purchased from trusted suppliers (e.g., OEM dealers, authorized Mercedes-Benz parts distributors, or well-reviewed aftermarket sellers), you can expect reliable quality and warranty coverage.

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#### **Cons:**

1. **Potential Counterfeit Parts** If buying from untrusted sources (e.g., unregulated online marketplaces or third-party sellers with no return policy), there s a risk of receiving a knockoff part that doesn t fit properly or fails prematurely.

2. **Cost** While not excessively expensive, aftermarket parts may still be pricier than generic alternatives. Genuine OEM parts can be costly, though they offer peace of mind.

3. **Installation Challenges** If the tank cap is stuck due to corrosion or improper removal of the old cap, it may require additional tools (e.g., penetrating oil, a rubber mallet) or professional help, adding time and expense.

4. **Seal Wear Over Time** Even with a new cap, the rubber seal inside may degrade over time, especially if exposed to extreme temperatures or fuel additives. This could lead to leaks in the future.

5. **Limited Availability Outside Specialty Stores** Depending on location, this part may not be stocked at local auto parts stores, requiring online ordering or special ordering, which can delay replacement.

6. **Possible Overkill for Minor Issues** If the original cap was only slightly damaged (e.g., a cracked but still-sealing lid), replacing it entirely may be unnecessary. However, if the seal is compromised, this is a wise upgrade.

7. **Fuel Filler Neck Wear** If the fuel filler neck itself is damaged or misaligned, a new cap won t solve the underlying issue. Inspecting the neck for cracks or deformation is recommended before purchasing.

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### **Conclusion:**

The **36989TFSP fuel tank cap for the 2010 2015 Mercedes Sprinter 3500 (2011 2012)** is a **reliable and necessary replacement** if your current cap is leaking, cracked, or otherwise compromised. The benefits direct fitment, OEM-quality standards, and prevention of fuel loss outweigh the minor drawbacks, provided you source the part from a reputable seller. The installation is straightforward, and the long-term benefits (e.g., improved fuel system safety) justify the cost.

However, if you re on a tight budget or the cap is only slightly damaged, consider inspecting it further before committing to a full replacement. Always pair this purchase with checking the **fuel filler neck and surrounding area** for damage to ensure a complete fix.

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### **Recommendation:**

1. **Purchase from a Trusted Source** Buy from an **authorized Mercedes-Benz parts dealer**, a well-reviewed aftermarket supplier (e.g., RockAuto, Amazon with verified sellers, or local Mercedes-Benz service centers), or a parts store with a return policy.

2. **Inspect the Fuel Filler Neck** Before installing the new cap, ensure the filler neck is intact. If it s cracked or warped, replace it simultaneously to prevent future issues.

3. **Follow Installation Instructions Carefully** Use penetrating oil if the old cap is stuck, and ensure the new seal is properly seated. Over-tightening can damage the threads.

4. **Consider a Genuine OEM Part if Budget Allows** While aftermarket parts are often sufficient, an OEM cap (e.g., from a Mercedes-Benz dealership) may offer slightly better longevity and warranty coverage.

5. **Test for Leaks After Installation** After refueling, check for leaks around the cap and filler neck. If any are detected, tighten the cap or reapply the sealant as needed.

**Final Verdict:** This is a **worthwhile upgrade** for Sprinter owners experiencing cap-related issues. The part is critical for maintaining fuel system integrity, and the pros significantly outweigh the cons when purchased and installed correctly.

Details:

Parts Geek - For 2010 - 2015 Mercedes Sprinter 3500 Fuel Tank Cap Genuine 36989TFSP 2011 2012: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Notes: Detailed Includes Tether 12 Month Warranty OEM Vehicle.

part #: 36989tfsp price

  • $31.06

specifications fueltanksysteme:

  • for models: 3500, Sprinter
  • for makes: Mercedes
  • for years: 2010-2015
  • mpn: 36989tfsp
  • part type: Fuel Tank Cap
  • manufacturer warranty: 12 Month Warranty
  • years: 2010 2011 2012 2013 2014 2015
  • application: Mercedes Sprinter 3500 Fuel Tank Cap
  • cs-sku: 400

payments fueltanksysteme:

  • wallet: Apple-pay
  • other
  • credit card: Diners-club

seller fueltanksysteme:

  • city: Austin, Texas
  • # reviews: 328792
  • rating: 98.8%

returns fueltanksysteme:

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

offer fueltanksysteme:

  • availability: In Stock
  • started: April 17, 2026
  • quantity: 1
  • options: Ship-to-home
  • sold: 0

shipping fueltanksysteme:

  • transit: 4-8 Days
  • carrier: FedEx
  • cost: $0.00
  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard

general fueltanksysteme:

  • condition: New
  • Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
for models: 3500, sprinter, for makes: mercedes, for years: 2010-2015, part type: fuel tank cap, manufacturer warranty: 12 month warranty, years: 2010 2011 2012 2013 2014 2015, application: mercedes sprinter 3500 fuel tank cap, cs-sku: 400,
category: auto parts > car truck parts accessories > air fuel delivery > fuel tanks filler necks, sku: 23827028755258793,
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  • New. Offer #1 priced at $31.06 + $0.00 shipping estimate = $31.06* total. Detailed Notes: Includes Tether. Notes: Fuel Tank Cap.FREE SHIPPING

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