The Auto Parts Inventory Management System Web App gives auto parts shops an 18-page browser workflow for parts catalog management, New Sale POS billing, purchases, supplier payments, customer payments, stock register, stock adjustments, returns, reports, user management, settings, and audit logs. Inventory mistakes can quickly become lost sales, dead stock, supplier disputes, and inaccurate customer dues, so a prepared operating system matters even for a small counter business.
This template is built for teams that want a downloadable web app structure instead of starting from blank spreadsheets or committing immediately to paid inventory SaaS. For teams using Google Workspace deployment models, the official Google Apps Script web app documentation is a useful reference for understanding browser-based app deployment. You can review the product here: Auto Parts Inventory Management System Web App.
🚀 Try the Live Demo Before You Buy
We have deployed this web app in our own Google account so you can test every page, every role — with real sample data — before purchasing. No signup, no email required.
🔑 Test Login Credentials
Sign in as admin for full access — every operational module plus Settings, User Management, List Management, Database Archive and the Audit Log; as manager to run day-to-day operations (parts, stock, adjustments, purchases, supplier & customer payments, POS billing, returns and all reports); or as sales1 for counter billing — POS, own invoices, customer payments and parts lookup.
💡 What you get after purchase: The full source code (Code.gs + Index.html) plus a step-by-step deployment guide so you can deploy your own private instance in your own Google account in under 15 minutes.
Key Features of Auto Parts Inventory Management System Web App
- 18-page workflow: Login, dashboard, billing, invoices, payments, parts, stock, purchases, suppliers, returns, reports, users, settings, and audit tracking.
- POS billing: Search parts, add invoice items, calculate subtotal, discount, tax, charges, payment mode, received amount, and invoice total.
- Parts master: Maintain part code, part name, OEM reference, vehicle reference, category, rack location, sell price, and stock status.
- Stock control: Monitor live stock, inventory value, reorder levels, stock status, rack location, and adjustment history.Auto Parts Inventory Management System Web App
- Purchase management: Track purchase orders, suppliers, purchase totals, paid amounts, payment references, and payable status.
- Customer and supplier payments: Separate customer receipts from supplier payment transactions for cleaner cash follow-up.Auto Parts Inventory Management System Web App
- Admin visibility: Manage users, roles, dropdown lists, invoice numbering, purchase numbering, settings, stock behavior, and audit history.Auto Parts Inventory Management System Web App
Dashboard Pages Explanation
1. Login Page
The login page is the access point for the system. It includes the Auto Parts Inventory Management title, module subtitle, username field, password field, sign-in button, and secure role-based access note.
2. Dashboard
The dashboard brings sales, purchases, inventory, gross profit, and payables into one summary page. It includes Sales vs Purchases by Month, Top 10 Selling Parts by Quantity, inventory summary counts, stock value, gross profit by month, and pending payables by supplier and customer.
3. New Sale POS
The New Sale POS page supports front-counter billing. Staff can search parts, add billing items, review subtotal, discount, tax, charges, invoice total, payment mode, amount received, and customer selection.
4. Sales and Invoices
Sales and Invoices keeps invoice records searchable by date, customer, invoice number, staff, total, paid amount, and status. It helps owners review daily sales and identify invoices that still need payment follow-up.
5. Customer Payments
The Customer Payments page records payments received by customer and invoice. Amount, payment mode, staff collector, and payment date make it easier to separate collected cash from unpaid balances.Auto Parts Inventory Management System Web App
6. Parts Catalog
Parts Catalog is the product master for the business. The page supports part code, part name, category, rack location, sell price, stock status, OEM search, vehicle search, and other part lookup needs.
7. Stock Register
The Stock Register page shows live stock by part, inventory value by part, reorder level, stock status by category, and rack location by part code. It is built for daily stock review and reorder conversations.
8. Stock Adjustments
Stock Adjustments records inventory corrections by part, adjustment quantity, adjustment type, reason, date, staff, and transaction notes. This is useful after physical counts, damaged stock, missing items, or manual corrections.
9. Purchases
The Purchases page tracks purchase orders by supplier, PO number, total, paid amount, status, date, and status filter. It gives the purchasing team a single place to monitor incoming stock and purchase balances.Auto Parts Inventory Management System Web App
10. Supplier Payments
Supplier Payments records payments made by supplier and purchase order. Payment amount, payment mode, reference, transaction details, and date help owners review payables without mixing supplier payments with customer receipts.
11. Suppliers
The Suppliers page maintains supplier code, contact details, phone number, payment terms, GSTIN, and master-record status. Cleaner supplier data improves purchase orders, payments, and payable reporting.
12. Returns
The Returns page covers sales returns by customer and purchase returns by supplier. It keeps return amount, reason, date, sales invoice, and purchase order references visible for review.Auto Parts Inventory Management System Web App
13. Customers
Customers stores customer codes, customer type, phone number, status, and master data for workshops, walk-in customers, and dealers. This supports repeat sales, invoice history, and payment follow-up.
14. Reports
The Reports page gives sales summaries by invoice, customer, date, paid amount, due amount, tax, discount, and date range. It helps a shop owner review performance without building a report from scratch each week.
15. User Management
User Management controls users by role, login access, user status, last login, email, and account record. Admin, manager, and sales staff roles can be separated for cleaner access control.
16. List Management
List Management controls dropdown values such as auto parts categories, payment modes, customer types, adjustment reasons, and return reasons. Consistent lists reduce messy reporting labels later.Auto Parts Inventory Management System Web App
17. Settings
Settings contains the business profile, invoice number prefix, invoice start number, purchase order prefix, purchase order start number, currency, date format, negative stock behavior, and reorder level behavior.
18. Audit Log
The Audit Log records time, user activity, module, action summary, login events, setup events, and system-user activity. It helps the owner investigate operational changes and access events.
Auto Parts Inventory Management System Web App vs. Spreadsheet Tracker vs. Paid Inventory SaaS – Feature Comparison
| Feature | This web app | Spreadsheet tracker | Paid inventory SaaS |
|---|---|---|---|
| Cost | One-time $39.99 sale price | Low tool cost but more build time | Recurring subscription or per-user fees |
| Platform | Browser-based web app template | Spreadsheet workbook or sheet file | Vendor-hosted cloud platform |
| Setup time | Start from 18 prepared pages | Build tables, formulas, and forms manually | Configure imports, users, plans, and permissions |
| Real-time team collaboration | Possible after web app deployment | Depends on shared-file discipline | Usually included by plan |
| Mobile access | Browser access on modern devices | Spreadsheet mobile app or browser | Usually included |
| Customizable fields | Editable lists, settings, and source structure | Editable columns and formulas | Limited by vendor configuration |
| Share with link | Possible after deployment and access setup | Yes, through file permissions | Usually account based |
| Year-1 cost at 5 users | $39.99 template cost before workspace or hosting costs | Template plus internal build time | Can increase with seats and add-ons |
| Parts POS workflow | Included as New Sale POS | Needs custom setup | Depends on retail plan |
| Supplier payments and returns | Included as dedicated pages | Needs linked sheets | Depends on inventory module |
Who Should Use This Template
This template is a fit for auto parts stores, spare parts retailers, motorcycle parts shops, repair-shop counters, wholesalers, and small automotive distributors that need one place for sales, purchases, supplier payables, customer dues, returns, stock adjustments, and reports.
It is especially useful when the business has outgrown a simple stock spreadsheet but does not yet want a long SaaS onboarding project. The user still needs to review the included deployment guide, update settings, and test the workflow with their own sample data before going live.
Real-World Use Cases
Independent auto parts retailer: The owner reviews dashboard sales, pending payables, stock value, and reorder levels before calling suppliers.
Repair shop counter desk: Staff use the New Sale POS page to bill parts sold to walk-in customers or attached to workshop customers.
Wholesale spare parts distributor: The admin team records purchases, supplier payments, sales invoices, customer payments, and returns so balances are easier to review.
Inventory audit day: A supervisor records stock adjustments with quantity, type, reason, date, staff member, and notes after a physical count.
Advantages of Auto Parts Inventory Management System Web App
The biggest advantage is that operational pages are already separated by workflow. Staff do not have to search one huge sheet for sales, purchases, customers, suppliers, adjustments, and reports.
The second advantage is visibility. The dashboard summarizes sales vs purchases, top-selling parts, inventory status, stock value, gross profit, and pending payables in a format that is faster to scan than raw rows.
The third advantage is control. Role-based login, user management, list management, settings, and audit log pages help the business create structure around who can access the app and what values appear in forms.
Opportunities for Improvement
This is a downloadable web app template, not a hosted enterprise ERP. Businesses that need barcode scanners, accounting sync, payment gateway settlement, GST return filing, EDI supplier ordering, VIN decoding, or multi-warehouse branch automation may need extra customization.
It also requires careful setup. Before live use, update business settings, load starting inventory, test invoice numbering, test purchase order numbering, confirm tax behavior, and verify stock adjustment rules with sample data.
Best Practices
- Clean part codes, OEM values, vehicle references, and categories before importing them.
- Use consistent supplier and customer names so reports do not split the same party across several spellings.
- Review reorder levels weekly, especially for fast-moving parts.
- Record stock adjustments with a clear reason and staff name.
- Close customer and supplier payment entries daily so balances stay current.
- Limit admin settings access to trained users only.
- Check the audit log after major setup changes.
Explore Relevant Templates
These related templates may fit nearby automotive, service, and operations workflows:
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- Car Wash Management System Web App
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- Browse more Web Apps from NextGenTemplates
Frequently Asked Questions
What is the Auto Parts Inventory Management System Web App?
It is a downloadable web app template for managing auto parts inventory, sales billing, purchases, customer payments, supplier payments, stock adjustments, returns, reports, users, settings, and audit logs.
How many pages are included?
The app includes 18 pages: Login, Dashboard, New Sale POS, Sales and Invoices, Customer Payments, Parts Catalog, Stock Register, Stock Adjustments, Purchases, Supplier Payments, Suppliers, Returns, Customers, Reports, User Management, List Management, Settings, and Audit Log.
Can it manage POS billing?
Yes. The New Sale POS page includes part search, billing items, invoice totals, discount, tax, charges, payment mode, amount received, and customer billing controls.
Can it track purchases and supplier payments?
Yes. Purchase orders, supplier records, supplier payment amounts, payment modes, references, paid amounts, purchase totals, and status fields are included.
Can it track returns?
Yes. It includes sales returns, purchase returns, return amount, return reason, date, invoice reference, and purchase order reference.
Is it a replacement for enterprise inventory software?
No. It is best for small and mid-size parts operations that want an editable web app template. Enterprise needs such as accounting API sync, barcode hardware, or multi-branch ERP controls may need additional software or customization.
About the Author
Built by PK – Microsoft Certified Professional with 15+ years of Excel, Google Sheets, and Power BI experience. Founder of NextGenTemplates, reaching 300K+ subscribers across YouTube channels. Every template is hand-built and tested before release.
Conclusion
The Auto Parts Inventory Management System Web App gives auto parts businesses a structured way to manage daily sales, purchases, stock, payments, suppliers, customers, reports, settings, users, and audit history. The 18-page structure makes the product easier to review before purchase and easier to map to the workflow of a parts counter or small distributor.
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