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About Menon Pistons Limited

Quality Certificates


ISO 9002 Certification by BVQI, U.K


QS 9000 Certification by TUV
Suddeutschland, Germany


Re-certification for QS 9000 by
TUV Suddeutschland, Germany


TS 16949 Certification by TUV
Suddeutschland, Germany


TS 16949 Recertified with Design
by TUV Suddeutschland, Germany

Our Infrastructure


Quality begins at the source. The high quality of casting in our foundry using optimized online process controls ensures that piston blanks with desired alloy compositions & physical properties with optimum micro structures are manufactured.

Machine Shop

Our CNC machine line up includes turning centers for machining of re-entrant combustion cavities to ensure high accuracy of profile & machining centers for machining of pin hole relief / oval boring / trumpet boring (for enhancing fatigue life). We have deployed special machining facilities such as Camless CNC Oval Turning in order to achieve piston profile with desired tolerance & to machine symmetrical as well as asymmetrical profiles.

Surface Treatment

Pistons with surface treatments & coatings, reduce friction & thereby improve fuel efficiency of environmentally friendly engines. Reduced scuffing makes cold engine start up more reliable and quicker. A skirt coated piston has better piston to cylinder 'SEAL' reducing the amount of combustion gases that can escape past the piston & leak into the crankcase. Thus, skirt coating reduces the amount of hydrocarbon emission that would normally pass into the environment as Air Pollutant.
Our setup covers all the four types of surface treatment viz.

  • Phosphating ( Offers better adherence for graphite coating helps in quicker running-in)
  • Graphite coating ( Aids in initial lubrication),
  • Tin plating ( Aids in initial running-in and protection)
  • Hard anodizing ( Protection against thermal cracks)
  • Screen printing with Molybdenum Disulphide.

Quality Assurance

Quality Labs:

In our quest for comprehensive quality, we have deployed a lineup of Quality Labs equipped with an elaborate range of dedicated state of the art testing & measurement equipments calibrated to globally accepted standards. Quality Assurance activities are undertaken by qualified & experienced engineers using documented manuals revised & updated continually. Apart from our metallurgy & metrology labs we have special setup for final Inspection & Visual Inspection of Critical and major characteristics on the product before the same is sent for packaging.

Product Validation : In-house Test Rigs

Product Testing & Validation is done inhouse at our engine test rigs equipped with AVL blow-by meters, & other peripheral equipments with digital output. Test results are co-related using advanced analytical software. We carry out Tailor made / customer specified tests as per agreed / laid down procedure. Various Piston Performance Tests such as Piston Proving Test, Piston Function Test, Piston Scuff Test, Durability Test are done.

Manufacturing Process

Process Engineering

Menon Pistons is committed to continuous Development & upgradation of manufacturing technology & processes using data driven continuous quality improvement system implemented with qualified teams. Our Process Engineering Team consisting of multi-functional teams organized as temporary matrix structures undertakes continuous Process Upgradation & Optimization missions through incremental changes & streamlining of manufacturing operations to improve efficiency by inter alia reducing variations in quality parameters, & eliminating waste & delay in the manufacturing process. Highly reliable data is generated online & offline by using hi-tech measurement equipments. This data is studied & analyzed using sophisticated techniques like DOE, Six Sigma, Motion & Ergonomic analyses to zero in onto & eliminate the possible sources of variations to achieve less variation & reach consistent product quality parameters via mistake proofing. Techniques like Lean manufacturing, Lean Sigma & Kaizen are used to relentlessly identify and eliminate waste & effect continuous improvements through incremental changes & streamlining of operations.

Our Vendor Base

MPL would be interested in the manufacturers and Suppliers of Quality and cost effective high Value products. MPL would like prospective Suppliers / Manufacturers to have a look at our purchasing programme to get an idea.  

  • We are always looking for Suppliers / Vendors who could partner us in the following :
  • Raw materials (Material – Aluminium/Al.Alloy/Nickel/Copper/Silicon etc.
  • Tooling and Tools like Carbide/PCD/Diamond etc
  • Machinery/Equipment/Gauges/Instruments
  • Parts/Accessories/as per drawing/specifications

Service / Product Application Areas

Service / Product Application Areas

  • Heavy Commercial Vehicles,
  • Light Commercial Vehicles,
  • Tractors,
  • Passenger Cars,
  • Jeeps & Utility Vehicles
  • Stationary Engines,
  • Bi-Wheelers,
  • Diesel Engines,
  • Gasoline Engines,
  • CNG Engines
  • Natural Gas Engines

Our Services

MPL Provides Total Engineering Solutions

MPL is a Total Engineering Solutions provider wherein the product is designed as per the customers requirements, prototypes are manufactured, tested & validated before mass production. This is done by our engineers as a collaborative & interactive team effort with the help of clients engineers. Designing is done by our trained & experienced engineers in CAD/Pro-E environment using advanced software which includes state of the art features like solid & surface modeling for more realistic designing. Software used include Pro/E Wildfire, Tool Design Package, Auto CAD 2000 & many others. Product Testing & Validation is done inhouse at our engine test rigs.

About The Company


Continuos Upgradation & Assimilation of Global Technology through Collaborations with world leaders


Signed Collaboration Agreement with Nippon Piston Ring Company, Japan to manufacture Piston Rings.


Technology Upgradation Agreement with Sakura Kogyo Co. Ltd, Japan for manufacture of Pistons.


Tie-up with lzumi Industries Ltd, Japan - One of the leading Diesel Engine Piston manufacturers


Signed Technical License agreement withDong Yong Pistons Co. Ltd., South Korea

Our Clientele

Our Clientele

Since our establishment in 1969, our products have earned the reputation of quality at cost effective prices. Our ability to provide total engineering solutions has been appreciated by customers across the world. We believe that more than our inhouse labs & our sophisticated engine test beds, the ultimate proving ground for our technology & products is in actual operations every day. Today our customer list boasts of top auto brands across the world. Menon Pistons Ltd. has been awarded "Self certification / Single Source / Ship to use" status by leading auto brands across the world & we enjoy major share with all of them. Our selection as single / sole supplier by international leaders, who follow & demand very stringent quality norms, is a testimony to the global quality standards of our company & of global acceptability of our strengths in engineering.

Our Group of Companies

Menon & Menon Ltd.

India's first QS 9000 certified manufacturer of grey iron automotive components like cylinder blocks, cylinder heads, and hydraulic control assemblies, Menon and Menon Ltd. is based in Kolhapur, India & caters to the requirements of almost all the major Passenger Car, Truck and Tractor manufacturing companies in India. Currently the Company has been certified to ISO/TS 16949:2002 standards.

Menon Bearings Ltd.

Menon Bearings Ltd. manufactures a whole range of bi-metal engine bearings, bushes & thrust washers for light medium & heavy automobile engines, 2 wheeler engines as well as for compressors & for refrigerators & air conditioners. Exporting 30 % of production capacity & with exports growth at more than 25 % per annum, the MBL brand enjoys strong equity among leading OEM`s all over the world as the preferred OE supplier. MBL's quality systems are TS-16949:2002 certified & MBL has been awarded " Ship to Use " certification by major OEMs.

Menon Piston Rings (P) Ltd.

Menon Piston Rings (P) Ltd., manufactures Cast Iron, Alloy Cast Iron, S.G Iron (Ductile Cast Iron), Steel, Hard chrome plated, Hard chrome Profile ground, Moly coated, Moly plasma / Inlay Moly Piston Rings, with diameters ranging from 50 to 220 mm & applications that range from passenger cars to heavy duty engines for marine & power generation. MPR manufactures 600000 rings per month. They export 30 % of total production & have been awarded status of “ Preferred Supplier ” from MACK Trucks, USA (Volvo Group).

Menon Akolp

Menon Alkop, a division of MBL, deploys world class technology to manufacture top of the line HPDC, LPDC & Gravity Die Cast products for critical, high value applications in the automobile sector. The Product range includes engine blocks, cylinder heads, gear boxes, end shields etc. Menon Alkop’s fully automised shop floor of more than 55000 sq.ft. is situated in an area of more than half a million square feet at the Five Star MIDC area in Kagal.

Social Responsibilities

Corporate Governance

  • Board Of Directors of MPL
  • Committees of Board
  • Code of Conduct of MPL
  • Terms of appointment of Independent Directors
  • Code of conduct for Independent Directors
  • Latest Announcements

To,Menon Pistons Limited

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