2021 Peterbilt 325 Fluids
Keep Your 2021 Peterbilt 325 in Top Shape with Quality Fluids
Whether you’re repairing or upgrading your Fluid, using high-quality parts is key to keeping your 2021 Peterbilt 325 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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 2021 Peterbilt 325 Fluid at Advance Auto Parts is around $18.99, with a range that starts at $11.99 and goes up to $25.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like DEF Diesel Exhaust Fluid, 2.5 Gallon and PLATINUM Diesel Exhaust Fluid, 2.5 Gallon start at just $11.99 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 2021 Peterbilt 325 in peak condition, inside and out.
Find Your Specific 2021 Peterbilt 325 Fluids
Looking for the perfect Fluid for your 2021 Peterbilt 325? You’re in the right place. Below, you’ll find links to various types of Fluids that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Fluids, ensuring durability and a precise fit for your Peterbilt 325. Whether you’re driving a 2021 model or another popular model year like
2013,
2014,
2015,
2016,
2017,
2018,
2019,
2020, and
2022, we’ve got you covered. Purchasing Fluids from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Fluids that fit your vehicle.
Essential 2021 Peterbilt 325 Fluids
BlueDEF – PLATINUM Diesel Exhaust Fluid, 2.5 Gallon (Part No.DEG002)
from
$25.99
Product Features:
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- Uses advanced SYSTEM SHIELD technology to reduce future deposits
- Maintains optimum fuel economy
- Saves money on costly repairs
- Sustains the life of your SCR system
- Compatible with all diesel SCR systems
- Tested to meet or exceed the strictest OEM standards
- Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid
- America’s Number 1 brand of Diesel Exhaust Fluid
PEAK – Blue DEF Diesel Exhaust Fluid, 2.5 Gallon (Part No.DEF002)
from
$18.99
Product Features:
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- BlueDEF’s Purity Guarantee is our assurance the DEF your are purchasing has been tested to meet or exceed the strictest OEM standards
- America’s Number 1 brand of Diesel Exhaust Fluid
- Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid
- Compatible with all diesel SCR systems
- Non-flammable formula makes handling safe and easy
FRAM – DEF Diesel Exhaust Fluid, 2.5 Gallon (Part No.457)
from
$11.99
FRAM Diesel Exhaust Fluid (DEF) is a non-toxic solution engineered to help diesel-powered vehicles reduce emissions and improve fuel economy.
Product Features:
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Product Features:
- For use in Selective Catalytic Reduction (SCR) systems on diesel engines.
- Diesel exhaust fluid is non-toxic and safe to handle
- Stable, colorless and odorless, and also meets ISO Standards 22241 for purity and composition
Popular 2021 Peterbilt 325 Fluids Categories
Most Popular Diesel Emissions Fluids for 2021 Peterbilt 325s
Enhance your 2021 Peterbilt 325 with one of the 2 Diesel Emissions Fluids we have in stock, starting at just $11.99.
FRAM – DEF Diesel Exhaust Fluid, 2.5 Gallon (Part No.457)
from
$11.99
FRAM Diesel Exhaust Fluid (DEF) is a non-toxic solution engineered to help diesel-powered vehicles reduce emissions and improve fuel economy.
Product Features:
See More
Product Features:
- For use in Selective Catalytic Reduction (SCR) systems on diesel engines.
- Diesel exhaust fluid is non-toxic and safe to handle
- Stable, colorless and odorless, and also meets ISO Standards 22241 for purity and composition
BlueDEF – PLATINUM Diesel Exhaust Fluid, 2.5 Gallon (Part No.DEG002)
from
$25.99
Product Features:
See More
- Uses advanced SYSTEM SHIELD technology to reduce future deposits
- Maintains optimum fuel economy
- Saves money on costly repairs
- Sustains the life of your SCR system
- Compatible with all diesel SCR systems
- Tested to meet or exceed the strictest OEM standards
- Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid
- America’s Number 1 brand of Diesel Exhaust Fluid
FAQs for 2021 Peterbilt 325 Fluids
What are the best-selling Fluids for 2021 Peterbilt 325s?
Out of 2 Fluids that fit 2021 Peterbilt 325s, the following parts are the top sellers:
- DEF Diesel Exhaust Fluid, 2.5 Gallon (12434336) – $11.99
- PLATINUM Diesel Exhaust Fluid, 2.5 Gallon (12255182) – $25.99
What’s the price range for 2021 Peterbilt 325 Fluids?
The prices of Fluids for the 2021 Peterbilt 325 range from $11.99 up to $25.99 for the most premium parts.
What is the average price of a Fluid for a 2021 Peterbilt 325?
The average price for Fluids for the 2021 Peterbilt 325 is $18.99. 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 Peterbilt 325 model years?
What are the cheapest Fluids for my 2021 Peterbilt 325?
The cheapest 2021 Peterbilt 325 Fluids we carry are:
- DEF Diesel Exhaust Fluid, 2.5 Gallon (12434336) – $11.99
- PLATINUM Diesel Exhaust Fluid, 2.5 Gallon (12255182) – $25.99
Does Advance Auto Parts sell Fluids for any other 2021 Peterbilt models?
Yes. We stock Fluids for 8 other popular 2021 Peterbilt models. Some of the most popular are 2021 567 Fluids, 2021 579 Fluids, 2021 367 Fluids, 2021 220 Fluids, and 2021 330 Fluids.
What types of Fluids do you sell for my 2021 Peterbilt 325?
We currently have just 1 Fluid in stock for a 2021 Peterbilt 325, and as of 11/2/25, it is a Diesel Emissions Fluid.
Can I get help with 2021 Peterbilt 325 Fluid orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Peterbilt Fluids and more.
What is your return policy for Peterbilt 325 Fluids?
Advance Auto Parts keeps returns simple. For new Peterbilt 325 Fluids and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.