# Machined auto components from India: process, clusters and QA > How machined auto components are made in India and where: Pune, Chennai and Hosur. Process chain, QA tests, HS heading and lead times, mapped by SourceSquid. Source: https://sourcesquid.co/india-atlas/products/machined-auto-components/ Product guide # Machined auto components. From material to rust-proof packing. Machined auto components are best sourced from Pune, Chennai, Hosur, Faridabad and Gurugram, with Aurangabad, Rajkot and Jamshedpur adding capacity. Indian tier suppliers machine shafts, gears, hubs, brackets, housings and brake and steering parts to IATF 16949 standards. [Get a free teardown](https://sourcesquid.co/start/?product=machined-auto-components) [Open in the Explorer](https://sourcesquid.co/explorer/#product=machined-auto-components) 7 process steps 8 mapped clusters 8708 typical HS heading Where India makes it · **Machined auto components** 8 clusters * __Clusters for this product * __Other clusters The manufacturing chain ## How it is made, in 7 steps. The sequence Indian factories follow, from raw material to an approved part ready to ship. 1. **Material** Bar, forging or casting with mill certificate 2. **CNC turning** Multi-spindle and CNC lathes 3. **Milling & drilling**VMC or HMC operations 4. **Heat treatment** Induction hardening or case carburising 5. **Grinding** Bearing seats and critical diameters ground 6. **Inspection & PPAP**CMM, SPC data and PPAP submission 7. **Rust-proof packing** VCI packing in returnable trays Key facts ## What buyers plan around. Typical HS heading 8708 (vehicle parts), 8483 (shafts and gears) [Check 8708 in the HS code finder](https://sourcesquid.co/tools/hs-code-finder/?q=8708) Lead time Samples 4–8 weeks, production 6–10 weeks India's edge India's auto industry has built one of the deepest supplier bases for machined parts, with strong process control and competitive costs. Materials * [Carbon and alloy steel](https://sourcesquid.co/india-atlas/materials/carbon-steel/) * [Aluminium](https://sourcesquid.co/india-atlas/materials/aluminium/) * [Cast iron (grey and ductile)](https://sourcesquid.co/india-atlas/materials/cast-iron/) Process families * [Auto & EV components](https://sourcesquid.co/india-atlas/processes/auto-and-ev-components/) * [Machining & precision](https://sourcesquid.co/india-atlas/processes/machining-and-precision/) Where to source ## The clusters that make it. Listed in the order buyers usually start. Each page covers the nearest ports and neighbouring clusters. [ Maharashtra Major cluster **Pune – Chakan** Forgings, auto & EV, precision engineering ForgingAuto & EV componentsMachining & precision ](https://sourcesquid.co/india-atlas/clusters/pune/)[ Tamil Nadu Major cluster **Chennai – Sriperumbudur** Cars, phones & electronics, engineering Auto & EV componentsElectronics & assemblyMachining & precision ](https://sourcesquid.co/india-atlas/clusters/chennai/)[ Tamil Nadu Major cluster **Hosur** Auto components, two-wheelers, EV, electronics Auto & EV componentsForgingElectronics & assembly ](https://sourcesquid.co/india-atlas/clusters/hosur/)[ Haryana Major cluster **Faridabad** Auto components, tractors, sheet-metal fabrication, switchgear Auto & EV componentsSheet metal & fabricationForging+1 ](https://sourcesquid.co/india-atlas/clusters/faridabad/)[ Haryana Major cluster **Gurugram – Manesar** Two-wheelers & cars, garment export houses, electronics Auto & EV componentsGarments & cut-make-trimElectronics & assembly ](https://sourcesquid.co/india-atlas/clusters/gurugram/)[ Maharashtra Established cluster **Aurangabad** Auto components, pharma Auto & EV componentsChemicals & pharma ](https://sourcesquid.co/india-atlas/clusters/aurangabad/)[ Gujarat Major cluster **Rajkot** Diesel engines, submersible pumps, bearings, aluminium castings, machine tools Casting & foundryMachining & precisionForging ](https://sourcesquid.co/india-atlas/clusters/rajkot/)[ Jharkhand Established cluster **Jamshedpur** Steel, auto components ForgingAuto & EV components ](https://sourcesquid.co/india-atlas/clusters/jamshedpur/) Quality ## Tests we plan for. The checks that usually sit in the inspection plan for this product. We agree the final list with you against your drawing and market. [How our inspections work](https://sourcesquid.co/quality/) * CMM and gauge inspection * SPC and Cpk on critical features * Hardness and case-depth checks * Surface roughness * PPAP documentation (level 3) Machined auto components questions ## Straight answers. Anything else, ask us directly. A principal replies, not a bot. [anirudh@sourcesquid.co](mailto:anirudh@sourcesquid.co) ### Do Indian suppliers support aftermarket volumes? Yes. Many tier-2 suppliers accept smaller batches for aftermarket and replacement parts. ### What is PPAP? PPAP, the Production Part Approval Process, is a set of documents and samples that proves the supplier's process makes parts to specification. ### Can suppliers handle EV parts? Yes. Suppliers in Hosur, Pune and Chennai machine motor shafts, housings and battery pack parts for EV makers. More product guides ## Related products. [6 steps**Machined & welded assemblies**Pune, Bengaluru, Coimbatore](https://sourcesquid.co/india-atlas/products/machined-welded-assemblies/)[6 steps**Pump and valve components** Coimbatore, Rajkot, Ahmedabad](https://sourcesquid.co/india-atlas/products/pump-valve-components/)[6 steps**Investment castings (steel, stainless)** Rajkot, Coimbatore, Pune](https://sourcesquid.co/india-atlas/products/investment-castings/) Start here ## Get a free teardown for your machined auto components. Send one drawing, photo or quote. Within 48 hours we return how it is made, the best-fit Indian clusters and a realistic target price. [Get a free teardown](https://sourcesquid.co/start/?product=machined-auto-components)[Talk to a principal](https://sourcesquid.co/contact/)