Will this work fine with the stock engine (egr,DEF) of a 2013 duramax?

Yes, It will work great. It is fully compatible with all Diesels including those with EGR and DPF systems.

What is the shelf life of xdp

I have used OptiLube in my 2003 Dodge Ram Cummins for nearly 200,000 mies and in my used RV Caterpillar inline 6 for over 60,000 with no apparent loss of behavior in either rig. I buy it by the gallon and recently used some summer formula that is at or near a yea old. The cummins was giving me injector troubles at 40,000 miles when Opti Lube was recommended . The motor smoothed out with the first bottle and is stillrunning of the factory injectors with no issues. The old Cat engine smoothed out with the first use and runs smooth as silk, If there is a "shelf life" problem I have not experienced it. USE IT religiously if you want a quieter, smoother engine! .

Does the XDP line have cetane boost?

Yes, ZPD is about 3 points on the Cetane increase per dose.

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Opti-Lube XPD All-Season Diesel Fuel Additive, 1 Quart, Treats 128 Gal

Product ID: 32712719

Details

Brand
Opti-Lube
Liquid Volume
32
Material
Molybdenum
Package Information
Bottle
Recommended Uses For Product
Automotive

🔥Raises cetane by up to 3 points

⚙️Boosts lubricity for engine longevity

❄️Anti-gel protection down to -10°F

¥15955

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Fuel your diesel’s peak performance, all year round!

WINTER PROOF YOUR RIDE - All-season anti-gel formula ensures smooth fuel flow and reliable starts even in freezing temps down to -10°F.
ENGINE ARMOR IN A BOTTLE - Enhances lubricity to reduce wear on injectors, pumps, and critical components for lasting diesel engine health.
MAX COVERAGE MAXIMUM VALUE - One quart treats up to 128 gallons of diesel—perfect for busy professionals who demand efficiency and reliability.
POWER EFFICIENCY AMPLIFIED - Boosts cetane rating by up to 3 points, improving combustion, throttle response, and fuel economy.
CLEANER FUEL SYSTEM SMOOTHER DRIVE - Advanced injector cleaner reduces deposits, maintaining optimal spray patterns and consistent engine performance.

Opti-Lube XPD All-Season Diesel Fuel Additive is a premium 1-quart formula designed to enhance ultra-low sulfur diesel fuel by increasing lubricity, boosting cetane by up to 3 points, cleaning fuel injectors, and preventing fuel gelling down to -10°F. Treating up to 128 gallons per bottle, it ensures smoother engine operation, improved fuel efficiency, and reliable cold-weather performance for long-term diesel engine protection.

Specifications

ASIN	B00FOSSNZW
Best Sellers Rank	#42,367 in Automotive ( See Top 100 in Automotive ) #54 in Diesel Additives
Brand	Opti-Lube
Customer Reviews	4.7 4.7 out of 5 stars (277)
Date First Available	October 7, 2013
Item Weight	2.1 pounds
Item model number	OPT-XPDQ
Manufacturer	Opti-Lube
Manufacturer Part Number	OPT-XPDQRT
Model	Opti-Lube XPD All-Season Diesel Fuel Additive - Quarts
Product Dimensions	2 x 4 x 7.5 inches

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