bluedef diesel exhaust fluid (2.5 gal.) Boxed 2.5-gallon BlueDEF diesel exhaust fluid with white packaging, prominent blue 'Blue DEF' logo and water-drop icon, green 'Guaranteed Pure' band, ISO-22241 certification badge and visible pour nozzle; for diesel SCR engines and often used to top off DEF tanks during service.
BlueDEF Diesel Exhaust Fluid (2.5 gal.)
Hero image 0 of BlueDEF Diesel Exhaust Fluid (2.5 gal.), 0 of 5
BlueDEF

BlueDEF Diesel Exhaust Fluid (2.5 gal.)

|1,323 ratings

Smart summary

Generated by AI
  • Easy To Pour

    Easy To Pour

    A redesigned nozzle helps you refill your vehicle without messy spills.
  • Safe To Handle

    Safe To Handle

    The non-toxic and non-flammable formula is safe to store and transport.
  • Meets OEM Standards

    Meets OEM Standards

    Conforms to strict ISO-22241-1 specifications to ensure it is safe for SCR engines.
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Columbus, 43215
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About this item

Product details

Driving to a cleaner environment. Peak BlueDEF is a quality product made from High Purity Synthetic Automotive Grade Urea and Deionized Water. BlueDEF is stable, colorless, non-flammable and non-toxic. It's classified as minimum risk for transportation. BlueDEF conforms to the ISO-22241-1 specification for DEF, is API registered and meets or exceeds OEM specifications.

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Member ratings & reviews

4.8 out of 5 stars
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1,323 ratings510 reviews
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  1. 5 stars89% (1,183)
  2. 4 stars6% (75)
  3. 3 stars2% (21)
  4. 2 stars1% (7)
  5. 1 star3% (37)
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Showing 1-3 of 510 reviews

Nov 6, 2024
Reviewer name: TwoPointEight Duramax LWN
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Wow! GRAPE!

Great price and fresh dates.

Helpful?1JBVD4G0ZA077480403211
Aug 3, 2026
Reviewer name: KC
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Walmart has it in store!

All of our tractors require def fluid so when I realized Walmart sold the brand I was go to Home Depot to get I pick it up when I do my household shopping. One less stop and they always have it on the shelves.

Review from walmart.com
Helpful?1JBVD4G0ZA077480403211
Jun 1, 2026
Reviewer name: BF
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good product at a great price

Good product at a great price. The pour spout consistently works well and it's stored in a cool area instead of on a sidewalk out in the sun or in the garden department.

Helpful?1JBVD4G0ZA077480403211
Members-only price
Prices may vary in club and online
How do you want your item?

Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Tomorrow
.
Order within 11 hr 11 min
Return or replace anytime.

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