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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Techron D Concentrate Diesel Fuel System Cleaner, 20 oz., Pack of 1

Product ID: 68460321

Details

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

⛽Cleans entire fuel system

⚙️Restores cetane boost & combustion

❄️Improves cold start performance

S/.120

Duties & taxes included

In stock

Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Unlock your diesel engine’s hidden potential — clean, power, perform!

DRIVE LIKE NEW - Restores engine responsiveness and reduces noise for a premium ride
CETANE POWER UP - Boosts combustion efficiency to cut emissions and enhance power
COLD START SAVIOR - Ensures smooth engine ignition even in the chilliest conditions
INJECTOR GUARDIAN - Prevents injector sticking and failure with regular use
TOTAL FUEL SYSTEM DETOX - Eliminates stubborn diesel deposits for peak engine health

Chevron Techron D Concentrate is a cutting-edge diesel fuel system cleaner that tackles deposits throughout your engine, restoring cetane levels for cleaner combustion and better cold starts. Suitable for all diesel types including bio blends, this 20 oz bottle treats up to 35 gallons, making it an essential maintenance step every 3,000 miles to keep your diesel engine running smoother, quieter, and more efficiently.

Specifications

ASIN	B074JMSM96
Best Sellers Rank	#21,183 in Automotive ( See Top 100 in Automotive ) #43 in Diesel Additives
Brand Name	Chevron
Contains Liquid Contents?	Yes
Customer Reviews	4.7 4.7 out of 5 stars (374)
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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