KLN Engineering Products (Pvt) Ltd. established in 1972 is the leader for automotive lube oil, air, fuel filters and silencers in India. The company has been awarded ISO/TS 16949:2002 certificate by Kiwa International Cert GmbH.
KLN Engineering also exports filters to Europe, Australia, UAE, Nigeria etc. with manufacturing plants in 6 independent units located at Bangalore, Chennai, Alwar and Attibele with a total area of 200,000 square feet. Employing 400 skilled and non-skilled workers, the company has an annual turnover of US$10 million.
KLN Engineering Products (Pvt) Ltd. is an OE supplier for the following customers who have appointed them as a single source:
| Tractors and Farm Equipments Ltd., Chennai | - | for the supply of air cleaners and silencers (self-certified up to the year 2007) |
| Ashok Leyland Ltd. | - | for the supply of all their silencers |
| Simpson & Company Ltd. | - | for the supply of canister oil filters |
| VST Tillers & Tractors Ltd. | - | for the supply of silencers and air cleaners |
| Caterpillar India (Pvt) Ltd. | - | for the supply of oil filter assembly strainers and breathers |
| ELGI Equipments Ltd. | - | for the supply of air cleaners |
| Kerala Agro Machinery Corporation | - | for the supply of air cleaners (they have awarded KLN as the best supplier of the year 2003-04) |
| Hindustan Motors Ltd. | - | for the supply of oil filters |
| Eureka Forbes Ltd. | - | for the supply of air cleaner elements |
| Rane TRW Steering Systems Ltd. | - | for the supply of hydraulic filters in power steering |
| TAFE Access Ltd. | - | for the supply of hydraulic pump strainers and other components |
| Kirloskar Oil Engines Ltd. | - | for the supply of air cleaners, oil filters and pre-cleaners |
| Same Deutz-Fahr India (P) Ltd. | - | for the supply of air cleaners and silencers |