My cousin gave me Techron Diesel and on its bottle neck is 19079. Is it made in 2019?

Doesn't really matter as this stuff is stable over long periods of time. FUEL is what you have to worry about aging out.

Does this also help clean out the exhaust system? such as the egr valve and dpf

No, it’s for fuel injectors and fuel lines clog cleaning

Emulsifier or demulsifier?

My best non professional answer is an emulsifier.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Chevron Techron D Concentrate Diesel Fuel System Cleaner

Product ID: 68460321

Details

Brand
Chevron
Item Form
Liquid
Material Feature
Unscented
Scent
Unscented
Specific Uses For Product
Engine

⛽Cleans entire diesel fuel system

⚙️Restores cetane for better combustion

❄️Improves cold start performance

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$43.52

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Description

⚡ Drive cleaner, start smarter, perform stronger!

COLD START SAVIOR - Optimizes ignition in chilly conditions, ensuring smooth startups every time.
CETANE BOOSTING POWER - Enhances combustion efficiency to reduce emissions and elevate engine responsiveness.
ROUTINE ENGINE PROTECTION - Prevents injector sticking and failure with regular use every 3,000 miles or oil change.
UNIVERSAL DIESEL COMPATIBILITY - Works seamlessly with all diesel types, including ultra-low sulfur and biodiesel blends.
ULTRA EFFECTIVE DEPOSIT CLEANER - Eliminates stubborn diesel injector and fuel system build-up for peak engine health.

Chevron Techron D Concentrate is a premium 20 oz diesel fuel system cleaner designed to remove deposits, restore cetane levels, and improve cold starts across all diesel engines. Compatible with all diesel fuels including biodiesel blends, it treats up to 35 gallons per bottle and supports engine longevity and efficiency with regular use.

Specifications

ASIN	B074JMSM96
Best Sellers Rank	#22,240 in Automotive ( See Top 100 in Automotive ) #46 in Diesel Additives
Brand Name	Chevron
Contains Liquid Contents?	Yes
Customer Reviews	4.7 4.7 out of 5 stars (367)
Global Trade Identification Number	00023968377199
Included Components	complete diesel fuel additive
Item Form	Liquid
Item Type Name	Fuel System Cleaner
Item Volume	20 Fluid Ounces
Manufacturer	Chevron
Material Features	Unscented
Model Number	266373272
Number of Items	1
Part Number	266373272
Scent	Unscented
Size	20 Fl Oz (Pack of 1)
Special Features	Concentrated
Specific Uses For Product	Engine
UPC	023968377199
Unit Count	20.0 Fluid Ounces
Warranty Description	Limited Warranty

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