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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XPD All-Season Diesel Fuel Additive - Quarts (1 Quart (Treats 128 Gallons))

Product ID: 32712719

Details

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

⛽Treats 128 gallons per quart

🧼Cleans fuel injectors

🛢️Boosts ULSD lubricity

€ 100.22

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚛 Drive smarter, not harder — fuel your truck’s future today!

INJECTOR DETOX - Effectively cleans and prevents injector residue buildup for peak efficiency.
ENGINE GUARDIAN - Optimizes lubrication with molybdenum disulfide to reduce wear and tear.
ALL WEATHER WARRIOR - Improves performance rain, snow, or shine while extending diesel storage life.
MAXIMIZE EVERY MILE - Enhances fuel economy year-round for more power and savings.
RUST CORROSION SHIELD - Protects your engine components and emissions system for long-term reliability.

Opti-Lube XPD All-Season Diesel Fuel Additive is a premium liquid formula designed to treat up to 128 gallons of ultra-low-sulfur diesel fuel per quart. It enhances fuel lubricity, improves mileage, cleans injectors, prevents rust and corrosion, and extends diesel storage life, ensuring optimal engine performance and longevity across all seasons.

Specifications

ASIN	B00FOSSNZW
Best Sellers Rank	#39,448 in Automotive ( See Top 100 in Automotive ) #43 in Diesel Additives
Brand	Opti-Lube
Brand Name	Opti-Lube
Container Type	Bottle
Customer Reviews	4.8 out of 5 stars 266 Reviews
Flash Point	129 Degrees Celsius
Included Components	XPD Quart(s)
Item Form	Liquid
Item Type Name	XPD
Liquid Volume	32
Manufacturer	Opti-Lube
Material	Molybdenum Disulfide
Model Number	OPT-XPDQ
Number of Items	1
Package Information	Bottle
Part Number	OPT-XPDQRT
Recommended Uses For Product	Automotive
Specific Uses For Product	Diesel Engines and Related Systems
UPC	853001004160

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