Car Service Invoice Analyzer India — Deconstruct Parts, Labour & GST
Deconstruct completed garage invoices into Parts, Labour, and Taxes. Compare against your previous service bill to identify exactly which replacement item drove your cost increase.
Invoice Line Items (6)
Invoice Breakdown
Engine Oil 0W-20 Synthetic (₹3,200) accounts for the primary share of this increase.
Automotive Battery Replacements
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SilvenX alloy technology withstands extreme engine bay heat without electrolyte loss. Zero maintenance.
Exide Mileage ISS / Matrix Series
High cranking CCA design specifically built for idle start-stop (ISS) and high-traffic commutes.
Deconstructing an Indian Car Service Bill: Parts vs Labour vs GST
Understanding the three distinct buckets that make up your garage payment.
1. OEM Parts & Consumables
Includes engine oil, oil filter, air cleaner element, and brake pads. Always check that the oil grade (e.g., 0W-20 or 5W-30) billed matches your vehicle manufacturer handbook.
2. Flat-Rate Labour Units (FRUs)
Automakers publish standardized time allowances for each repair task. Authorized workshops cannot legally charge you 3 hours of labour for a brake pad replacement that has a 0.8-hour FRU benchmark.
3. 18% Statutory GST
Service centres split GST into 9% CGST (Central) and 9% SGST (State). Verify that your GST invoice includes the workshop's valid 15-digit GSTIN number to ensure tax compliance.
Frequently Asked Questions
Q:What is a normal ratio of parts cost vs labour cost in Indian car servicing?
For a standard minor periodic service (10k, 20k, 30k km) at an authorized center, parts (engine oil, filters, washers) typically make up 60%–70% of the pre-tax bill, with labour accounting for 30%–40%. If your labour charge exceeds 45% of the total bill without major mechanical component overhauls, your workshop is likely billing excessive diagnostic or discretionary inspection fees.
Q:Why is GST on car servicing in India charged at 18% or 28%?
In India, automotive labour and service jobs attract 18% GST. Most standard replacement spare parts also attract 18% GST, though specific high-tax assemblies and accessories may attract 28% GST. Because tax is calculated on top of both parts and labour, GST alone adds ₹1,500 to ₹3,000 to an average ₹10,000 service invoice.
Q:How do I calculate my maintenance cost per kilometer from my service invoice?
Divide the total post-tax invoice amount by the number of kilometers driven since your previous service. For example: if your 40,000 km service cost ₹9,800 and you drove 10,000 km since the 30,000 km service: Maintenance Cost/km = ₹9,800 ÷ 10,000 km = ₹0.98/km. For Indian hatchbacks and compact SUVs, routine scheduled maintenance should average ₹0.80 to ₹1.30 per km.
Q:What should I check on my invoice after collecting my car from the workshop?
(1) Ensure parts part numbers match the manufacturer standard catalog, (2) Verify that no unapproved line items were added after the preliminary estimate, (3) Confirm that free service coupons or discount promises were accurately deducted, and (4) Check that the next service due sticker on your windshield matches the manual mileage schedule.