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Diesel Exhaust Fluid (DEF) is a key component of the Selective Catalytic Reduction (SCR) process. It is a solution consisting of purified water and 32.5% automotive-grade urea.
When injected into the exhaust stream, DEF reacts with the heat of the exhaust gases and the SCR catalyst to convert harmful nitrogen oxides (NOx) into harmless nitrogen and water vapor.
DEF is non-toxic and non-flammable. When handled and stored properly, it does not pose a significant risk to people, animals, equipment, or the environment.
From 1st April, 2017, the BSIV emission norms have come into effect, impacting transportation businesses in myriad ways. From changes in engine design, newer components to new fluids and additives, ways of driving everything is beginning to change. Deeper knowledge of the technology and products it demands, and hands-on training on the new engines is the only way to keep up with the change.
Valvoline Cummins offers you its revolutionary AIRShield DEF (AUS32) – a highly purified automotive fluid created especially for use in eco-friendly BSIV compliant SCR engines. Adopt it now and do your bit for the environment.

Bucket 20 Litre

IBC Tank 1000 Litre

Barrel 250 Litre
Refilling Station
Why Choose Us?
Part of TopGear Group's 60+ year legacy
Authorized brand partnerships
Region-wide warehousing network
Technical support for on-site infrastructure
Thodupuzha
Mayoori Annex, Thodupuzha Pala Road, Kolani (PO), Thodupuzha – 685608
Chennai
187, Jayachandran Nagar, 5th Main Road, Jalladianpet, Medavakkam – 600100
Coimbatore
1/1397, Trichy Road, Sulur, Karanampettai, Kodangipalayam – 641401
Krishnagiri
Door No. 716, Ayyappan Kottai, Payur Village, Kaveripattinam Union – 635112
Dharmapuri
5/353 B – Dhombarakampatti (Vill), Dokkubodhanahalli (Po), Nallampalli (Tk)– 636807
Frequently Asked Questions
FAQs
Do you supply bulk quantities for fleet operators?
Yes. We provide direct bulk tanker supply and doorstep dispatch for commercial fleet operators, logistics companies, and mining and construction businesses.
Do you offer on-site fuel dispenser setup?
Yes. We handle setup, technical maintenance, and ongoing support for automated fuel dispensers installed on client premises.
Do you have a minimum order quantity for bulk supply?
Please contact our team directly for current minimum order quantities, as they vary by product and location.
Are you an authorized distributor?
Yes. We are the Authorized Super Distributor for Valvoline Cummins DEF and lubricants, and the Authorized Super Stockist for Poppeys baby care products.
What products does Topgear Tradelinks distribute?
We distribute Valvoline Cummins Diesel Exhaust Fluid (DEF/AdBlue) and automotive lubricants, and stock Poppeys baby care products under the Teenz distribution line.