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 - Quarts (1 Quart (Treats 128 Gallons))

Opti-Lube 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 and protects injectors

🛢️Boosts fuel economy year-round

$94.75

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Description

🚛 Drive smarter, save fuel, and keep your diesel engine running like new!

INJECTOR DETOX - Effectively cleans fuel injectors and prevents future residue buildup, ensuring peak engine performance.
ALL WEATHER WARRIOR - Enhances truck performance rain, snow, or shine by separating water from diesel and doubling fuel storage life.
MAXIMIZE EVERY MILE - Optimizes lubrication for ultra-low-sulfur diesel engines, extending engine life and reducing wear.
ONE QUART BIG IMPACT - Each quart treats up to 128 gallons of diesel—easy to use and delivers long-lasting results.
FUEL EFFICIENCY GAME CHANGER - Proven to enhance fuel mileage in all seasons, saving you money and trips to the pump.

Opti-Lube XPD All-Season Diesel Fuel Additive is a premium molybdenum disulfide-based formula designed to optimize lubrication, improve fuel economy, clean injectors, and protect diesel engines year-round. Each quart treats up to 128 gallons of ultra-low-sulfur diesel, enhancing performance while preventing rust, corrosion, and emissions buildup.

Specifications

ASIN	B00FOSSNZW
Best Sellers Rank	#42,070 in Automotive ( See Top 100 in Automotive ) #53 in Diesel Additives
Brand Name	Opti-Lube
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (266)
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
Part Number	OPT-XPDQRT
Recommended Uses For Product	Automotive
Specific Uses For Product	Diesel Engines and Related Systems
UPC	853001004160

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$94.75

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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