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

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

⛽Treats up to 35 gallons

🔥Improves combustion & cold starts

⚙️Restores cetane boost

NT$1780

Duties & taxes included

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Description

⛽ Clean fuel, cleaner ride — don’t let your diesel fall behind!

ENGINE RESPONSIVENESS REVIVED - Improves drivability and reduces engine noise for a smoother ride.
UNIVERSAL DIESEL COMPATIBILITY - Safe for all diesel types including ultra-low sulfur and biodiesel blends.
ULTRA EFFECTIVE DEPOSIT CLEANER - Powerful patented formula cleans entire diesel fuel system for peak engine health.
CETANE BOOST FOR PEAK PERFORMANCE - Restores cetane levels to enhance combustion efficiency and reduce emissions.
ROUTINE PROTECTION AGAINST INJECTOR FAILURE - Prevents fuel injector sticking with regular use every 3,000 miles.

Chevron Techron D Concentrate is a 20 oz. ultra-high performance diesel fuel system cleaner that treats up to 35 gallons of fuel. Its patented formula cleans deposits throughout the fuel system, restores cetane for better combustion, improves cold starts, and prevents injector sticking. Compatible with all diesel types, it’s recommended for use every 3,000 miles to maintain engine responsiveness and reduce emissions.

Specifications

Asin	B074JMSM96
Best Sellers Rank	#17,088 in Automotive (See Top 100 in Automotive) #42 in Diesel Additives
Brand Name	Chevron
Customer Reviews	4.7 4.7 out of 5 stars (386) 4.7 out of 5 stars
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
Unit Count	20 Fluid Ounces
Upc	023968377199
Warranty Description	Limited Warranty

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NT$1780

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered 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 Taiwan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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