2012 Ram 3500 Diesel Fuel Injectors

Keep Your 2012 Ram 3500 in Top Shape with Quality Diesel Fuel Injectors

Whether you’re repairing or upgrading your Diesel Fuel Injector, using high-quality parts is key to keeping your 2012 Ram 3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Diesel Emissions Filler Caps and Diesel Oxidation Catalysts. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2012 Ram 3500 Diesel Fuel Injector at Advance Auto Parts is around $662.49, with a range that starts at $44.99 and goes up to $1,279.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Direct-Fit OEM Grade Diesel Oxidation Catalyst and Heavy Duty DEF Cap start at just $44.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Diesel Fuel Injector, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 2012 Ram 3500 in peak condition, inside and out.

Essential 2012 Ram 3500 Diesel Fuel Injectors

Dorman – HD Solutions – Heavy Duty DEF Cap (Part No.904-5701CD)

Heavy Duty DEF Cap

from

$44.99
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
See More

MagnaFlow – Direct-Fit OEM Grade Diesel Oxidation Catalyst (Part No.60507)

Direct-Fit OEM Grade Diesel Oxidation Catalyst

from

$1279.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 60507. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 2007-2010 Dodge Ram 2500, 2007-2010 Dodge Ram 3500, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Product Features:
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Durable 308 stainless steel MIG welds
See More

Most Popular Diesel Emissions Filler Cap for 2012 Ram 3500s

Enhance your 2012 Ram 3500 with this popular Diesel Emissions Filler Cap we have in stock, for $44.99.

Dorman – HD Solutions – Heavy Duty DEF Cap (Part No.904-5701CD)

Heavy Duty DEF Cap

from

$44.99
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
See More

Best-Selling 2012 Ram 3500 Diesel Oxidation Catalyst

Upgrade your 3500 with our best-selling Diesel Oxidation Catalyst.

MagnaFlow – Direct-Fit OEM Grade Diesel Oxidation Catalyst (Part No.60507)

Direct-Fit OEM Grade Diesel Oxidation Catalyst

from

$1279.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 60507. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 2007-2010 Dodge Ram 2500, 2007-2010 Dodge Ram 3500, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Product Features:
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Durable 308 stainless steel MIG welds
See More

FAQs for 2012 Ram 3500 Diesel Fuel Injectors

What are the best-selling Diesel Fuel Injectors for 2012 Ram 3500s?

Out of 2 Diesel Fuel Injectors that fit 2012 Ram 3500s, the following parts are the top sellers:

What’s the price range for 2012 Ram 3500 Diesel Fuel Injectors?

The prices of Diesel Fuel Injectors for the 2012 Ram 3500 range from $44.99 up to $1,279.99 for the most premium parts.

What is the average price of a Diesel Fuel Injector for a 2012 Ram 3500?

The average price for Diesel Fuel Injectors for the 2012 Ram 3500 is $662.49. Keep in mind the variety of part types within our Diesel Fuel Injector category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Diesel Fuel Injectors for other Ram 3500 model years?

Yes, we carry Diesel Fuel Injectors for 11 model years of Ram 3500s between 2011 and 2023. The following model years are the most popular for Diesel Fuel Injector purchases: 2011, 2020, 2021, 2022, 2023, 2015, 2014, 2018, and 2019.

What are the cheapest Diesel Fuel Injectors for my 2012 Ram 3500?

The cheapest 2012 Ram 3500 Diesel Fuel Injectors we carry are:

Does Advance Auto Parts sell Diesel Fuel Injectors for any other 2012 Ram models?

Yes. We stock Diesel Fuel Injectors for 2 other popular 2012 Ram models. Some of the most popular are 2012 2500 Diesel Fuel Injectors, 2012 4500 Diesel Fuel Injectors, and 2012 5500 Diesel Fuel Injectors.

What types of Diesel Fuel Injectors do you sell for my 2012 Ram 3500?

As of 11/2/25, these are some of the most in-demand types of Diesel Fuel Injectors for a 2012 Ram 3500:

Can I get help with 2012 Ram 3500 Diesel Fuel Injector orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Ram Diesel Fuel Injectors and more.

What is your return policy for Ram 3500 Diesel Fuel Injectors?

Advance Auto Parts keeps returns simple. For new Ram 3500 Diesel Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.