2012 Mack MRU Diesel Emissions Filler Caps

Your 2012 Mack MRU might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Diesel Emissions Filler Caps you desperately need.

We currently carry 3 Diesel Emissions Filler Caps to choose from for your 2012 Mack MRU, and our inventory prices range from as little as $21.99 up to $34.49.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Diesel Emissions Filler Caps for the 2012 Mack MRU. We only sell parts from trusted brands like Carquest Premium so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Diesel Emissions Filler Caps stock in-person!

Diesel Emissions Filler Caps for Your 2012 Mack MRU

Carquest Premium – Locking DEF Cap (Part No.10526)

Locking DEF Cap

from

$34.49
Effectively prevent diesel exhaust fluid from leaking or spilling through the filler neck. Essential for helping to keep pollutants out of the environment. Replacement restores the diesel emissions fluid system to proper operation.

Product Features:
  • Constructed from high- quality, heat-resistant materials for long-life durability
  • Important replacement item to pass inspection in certain states
  • Designed for optimum fit
  • Meets or exceeds all OEM specifications
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Dorman – HD Solutions – Heavy Duty D.E.F. Cap (Part No.904-5501)

Heavy Duty D.E.F. Cap

from

$29.49
This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles
  • Restores functionality – reliable replacement for an original cap that is leaking or failed due to wear
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – DEF Fuel Cap (Part No.10854)

DEF Fuel Cap

from

$21.99
Effectively prevent diesel exhaust fluid from leaking or spilling through the filler neck. Essential for helping to keep pollutants out of the environment. Replacement restores the diesel emissions fluid system to proper operation.

Product Features:
  • Constructed from high- quality, heat-resistant materials for long-life durability
  • Important replacement item to pass inspection in certain states
  • Designed for optimum fit
  • Meets or exceeds all OEM specifications
See More

FAQs for 2012 Mack MRU Diesel Emissions Filler Caps

What are the most popular Diesel Emissions Filler Caps for the 2012 Mack MRU?

With 2 brands you can trust, our most popular Diesel Emissions Filler Caps for the 2012 Mack MRU parts are:
Locking DEF Cap
from $34.49
This product is not rated
Locking DEF Cap
Diesel Emissions Filler Caps
Heavy Duty D.E.F. Cap
from $29.49
This product is not rated
Heavy Duty D.E.F. Cap
Diesel Emissions Filler Caps
DEF Fuel Cap
from $21.99
This product is not rated
DEF Fuel Cap
Diesel Emissions Filler Caps