2012 Freightliner XB Straight Rail Fluids

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Keep Your 2012 Freightliner XB Straight Rail in Top Shape with Quality Fluids

Whether you’re repairing or upgrading your Fluid, using high-quality parts is key to keeping your 2012 Freightliner XB Straight Rail looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Diesel Exhaust Fluid and Diesel Emissions Fluids. 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 Freightliner XB Straight Rail Fluid at Advance Auto Parts is around $22.28, with a range that starts at $10.15 and goes up to $28.99. With 4 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like PEAK BlueDEF Diesel Exhaust Fluid, Triple-Filtered and Guaranteed Pure, 2.5 Gallon, DEF002, FRAM DEF (Diesel Exhaust Fluid), API Certified,2.5 Gallon, 457, and BlueDEF PLATINUM Diesel Exhaust Fluid, Prevents SCR System Deposits, 2.5 Gallon, DEG002 start at just $10.15 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Fluid, don’t forget to check out other key components like Coolant/Antifreeze. At Advance Auto Parts, we’re here to help you keep your 2012 Freightliner XB Straight Rail in peak condition, inside and out.

Essential 2012 Freightliner XB Straight Rail Fluids

PEAK – PEAK BlueDEF Diesel Exhaust Fluid, Triple-Filtered and Guaranteed Pure, 2.5 Gallon, DEF002 (Part No.DEF002)

PEAK BlueDEF Diesel Exhaust Fluid, Triple-Filtered and Guaranteed Pure, 2.5 Gallon, DEF002

from

$22.99
PEAK BlueDEF Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) systems in diesel vehicles. DEF is used to help convert NOx to harmless nitrogen and water. Volume: 5 gallons.
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BlueDEF – BlueDEF PLATINUM Diesel Exhaust Fluid, Prevents SCR System Deposits, 2.5 Gallon, DEG002 (Part No.DEG002)

BlueDEF PLATINUM Diesel Exhaust Fluid, Prevents SCR System Deposits, 2.5 Gallon, DEG002

from

$28.99
PEAK BlueDEF PLATINUM with advanced SYSTEM SHIELD technology is a groundbreaking premium Diesel Exhaust Fluid with a proprietary formula to tackle deposits that can build up in the SCR system. Volume: 5 gallons.
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FRAM – FRAM DEF (Diesel Exhaust Fluid), API Certified,2.5 Gallon, 457 (Part No.457)

FRAM DEF (Diesel Exhaust Fluid), API Certified,2.5 Gallon, 457

from

$14.99
Maximize your diesel engine’s efficiency and reduce emissions with FRAM Diesel Exhaust Fluid (DEF). Made with high-purity synthetic urea and deionized water, FRAM DEF is designed for compatibility with Selective Catalytic Reduction (SCR) systems. Volume: 5 gallons.
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Prestone – Prestone Command Antifreeze and Coolant: Concentrate, Cor-Guard Nitrite-Free ELC Red NF-OAT, 1 Gallon, AFC13000 (Part No.AFC13000)

Prestone Command Antifreeze and Coolant: Concentrate, Cor-Guard Nitrite-Free ELC Red NF-OAT, 1 Gallon, AFC13000

from

$26.99
Prestone Command Cor-Guard Nitrite Free (NF-OAT) Extended Life (ELC) antifreeze+coolant (Concentrate) is designed to work with all Class 1-8 vehicles; Heavy Duty and Light Duty. COR-GUARD technology increases uptime; More miles between service = Less cost to maintain. Utilizing Cor-Guard technology, this formula is designed to protect cooling system parts from corrosion and damage. It instantly protects against the spread of rust, corrosion, pitting, gunk, grime and build-up. It is one fluid that can be used for the whole fleet; all vehicles, coolant colors (LD) and any Nitrite Free OAT engine (HD). Service life is 1,000,000 Miles/20,000 hrs [class 7-8 with wet sleeve liners]. When compared to ESI and low silicate conventional, it is designed to help lower maintenance costs and improve water pump life. This formula is Nitrite Free, provides excellent protection for aluminum and all other engine metals and eliminates the need to add supplemental coolant additives. Volume: 1 gallon.
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Most Popular Diesel Exhaust Fluid for 2012 Freightliner XB Straight Rails

Enhance your 2012 Freightliner XB Straight Rail with this popular Diesel Exhaust Fluid we have in stock, for $26.99.

Prestone – Prestone Command Antifreeze and Coolant: Concentrate, Cor-Guard Nitrite-Free ELC Red NF-OAT, 1 Gallon, AFC13000 (Part No.AFC13000)

Prestone Command Antifreeze and Coolant: Concentrate, Cor-Guard Nitrite-Free ELC Red NF-OAT, 1 Gallon, AFC13000

from

$26.99
Prestone Command Cor-Guard Nitrite Free (NF-OAT) Extended Life (ELC) antifreeze+coolant (Concentrate) is designed to work with all Class 1-8 vehicles; Heavy Duty and Light Duty. COR-GUARD technology increases uptime; More miles between service = Less cost to maintain. Utilizing Cor-Guard technology, this formula is designed to protect cooling system parts from corrosion and damage. It instantly protects against the spread of rust, corrosion, pitting, gunk, grime and build-up. It is one fluid that can be used for the whole fleet; all vehicles, coolant colors (LD) and any Nitrite Free OAT engine (HD). Service life is 1,000,000 Miles/20,000 hrs [class 7-8 with wet sleeve liners]. When compared to ESI and low silicate conventional, it is designed to help lower maintenance costs and improve water pump life. This formula is Nitrite Free, provides excellent protection for aluminum and all other engine metals and eliminates the need to add supplemental coolant additives. Volume: 1 gallon.
See More

Best-Selling 2012 Freightliner XB Straight Rail Diesel Emissions Fluids

Upgrade your XB Straight Rail with one of our 3 best-selling Diesel Emissions Fluids.

PEAK – PEAK BlueDEF Diesel Exhaust Fluid, Triple-Filtered and Guaranteed Pure, 2.5 Gallon, DEF002 (Part No.DEF002)

PEAK BlueDEF Diesel Exhaust Fluid, Triple-Filtered and Guaranteed Pure, 2.5 Gallon, DEF002

from

$22.99
PEAK BlueDEF Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) systems in diesel vehicles. DEF is used to help convert NOx to harmless nitrogen and water. Volume: 5 gallons.
See More

FRAM – FRAM DEF (Diesel Exhaust Fluid), API Certified,2.5 Gallon, 457 (Part No.457)

FRAM DEF (Diesel Exhaust Fluid), API Certified,2.5 Gallon, 457

from

$14.99
Maximize your diesel engine’s efficiency and reduce emissions with FRAM Diesel Exhaust Fluid (DEF). Made with high-purity synthetic urea and deionized water, FRAM DEF is designed for compatibility with Selective Catalytic Reduction (SCR) systems. Volume: 5 gallons.
See More

BlueDEF – BlueDEF PLATINUM Diesel Exhaust Fluid, Prevents SCR System Deposits, 2.5 Gallon, DEG002 (Part No.DEG002)

BlueDEF PLATINUM Diesel Exhaust Fluid, Prevents SCR System Deposits, 2.5 Gallon, DEG002

from

$28.99
PEAK BlueDEF PLATINUM with advanced SYSTEM SHIELD technology is a groundbreaking premium Diesel Exhaust Fluid with a proprietary formula to tackle deposits that can build up in the SCR system. Volume: 5 gallons.
See More

FAQs for 2012 Freightliner XB Straight Rail Fluids

What are the best-selling Fluids for 2012 Freightliner XB Straight Rails?

Out of 4 Fluids that fit 2012 Freightliner XB Straight Rails, the following parts are the top sellers:

What’s the price range for 2012 Freightliner XB Straight Rail Fluids?

The prices of Fluids for the 2012 Freightliner XB Straight Rail range from $10.15 up to $28.99 for the most premium parts.

What is the average price of a Fluid for a 2012 Freightliner XB Straight Rail?

The average price for Fluids for the 2012 Freightliner XB Straight Rail is $22.28. Keep in mind the variety of part types within our Fluid category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fluids for other Freightliner XB Straight Rail model years?

Yes, we carry Fluids for 18 model years of Freightliner XB Straight Rails between 2006 and 2025. The following model years are the most popular for Fluid purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Fluids for my 2012 Freightliner XB Straight Rail?

Does Advance Auto Parts sell Fluids for any other 2012 Freightliner models?

Yes. We stock Fluids for 20 other popular 2012 Freightliner models. Some of the most popular are 2012 Sprinter 2500 Fluids, 2012 Sprinter 3500 Fluids, 2012 Columbia Fluids, 2012 114SD Fluids, and 2012 M2 106 Fluids.

What types of Fluids do you sell for my 2012 Freightliner XB Straight Rail?

As of 8/2/26, these are some of the most in-demand types of Fluids for a 2012 Freightliner XB Straight Rail:

Can I get help with 2012 Freightliner XB Straight Rail Fluid orders?

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

What is your return policy for Freightliner XB Straight Rail Fluids?

Advance Auto Parts keeps returns simple. For new Freightliner XB Straight Rail Fluids and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.