Blog | Resolve

Net 30/60/90 Terms – Guide for Automotive Parts Distributors

Written by Resolve Team | Oct 15, 2025 8:52:35 AM

Net payment terms represent the lifeblood of B2B commerce in the automotive parts industry, where 60% of invoices are paid late in the United States. 

For automotive parts distributors managing relationships across a complex ecosystem of thousands of parts manufacturers serving tens of thousands of retailers, understanding and optimizing net 30/60/90 terms is essential for cash flow management and competitive positioning. 

Implementing streamlined net terms processes through platforms like Resolve's B2B Net Terms solution can help reduce bad debt, accelerate cash flow, and drive sales growth while managing the inherent risks of extended payment arrangements.

Key Takeaways

  • The automotive aftermarket is projected to reach approximately $448 billion in 2025, making efficient payment term management critical for scaling operations
  • Auto parts distributors typically maintain working capital ratios of 17.25% compared to 4.96% for auto dealers, highlighting the importance of optimized cash conversion cycles
  • A study of European automotive suppliers found net working capital days rose by 7–18 days versus 2017, necessitating more sophisticated payment term strategies
  • Companies offering 2/10 net 30 terms achieve an equivalent 37% annual return on early payments, providing significant cost savings opportunities
  • The average vehicle age has reached 12.6 years in 2024, driving higher demand for aftermarket parts and making payment term optimization more critical
  • In a 2021 Moody's review, 47 of 121 companies using supply chain finance took more than 90 days to pay suppliers on average, indicating industry trends toward extended payment cycles
  • Digital payment solutions and automated invoicing are becoming essential for managing complex payment arrangements in an increasingly competitive marketplace

What Are Net 30 Terms in Automotive Distribution?

Net 30 terms represent a fundamental agreement in B2B transactions where the buyer has 30 days from the invoice date to make full payment without incurring penalties or interest. In the automotive parts distribution industry, these terms serve as the standard foundation for trade credit relationships between distributors, repair shops, fleet operators, and wholesale accounts.

Net payment terms function as a deferred payment agreement that specifies the number of days a customer has to pay after receiving an invoice. Net 30 means payment is due within 30 days, Net 60 allows for 60 days, and Net 90 extends to 90 days. These grace periods are essential for B2B transactions in the automotive parts industry, where inventory turnover and cash conversion cycles directly impact operational viability.

The automotive aftermarket operates on varying payment term structures depending on customer type and relationship strength:

  • Independent repair shops typically operate on Net 30 terms
  • Fleet accounts often negotiate Net 45-60 arrangements
  • Large wholesale distributors may secure Net 90+ terms with major suppliers
  • New customer relationships commonly start with Cash on Delivery (COD) or Net 15 terms

Trade credit in this context acts as a 0% commercial loan system that allows automotive parts distributors to receive goods now and pay later, typically ranging from 30 to 90 days. This arrangement improves supply chain efficiency by eliminating payment clearing delays while enabling distributors to maintain adequate inventory levels to meet customer demand.

For automotive parts distributors, implementing structured net terms through solutions like Resolve's Net Terms Management ensures consistent application of credit policies while automating the time-consuming tasks of payment reminders, servicing, and collections.

Net 30 Calculator: Computing Payment Dates and Cash Flow

Accurately calculating payment due dates and projecting cash flow impacts is essential for automotive parts distributors managing complex payment term arrangements. The basic formula for determining payment due dates is straightforward: Invoice Date + Number of Net Days = Payment Due Date.

However, practical application requires consideration of several variables:

  • Calendar days vs. business days: Most net terms use calendar days, but some agreements specify business days only
  • Invoice date definition: Whether the date refers to shipment date, delivery date, or invoice creation date
  • Weekend and holiday handling: How non-business days affect due date calculations
  • Grace periods: Additional days sometimes included before late fees apply

Cash Flow Projection Methodology

Effective cash flow management requires translating payment terms into actionable financial projections:

  • Days Sales Outstanding (DSO) Calculation:

  • DSO = (Accounts Receivable ÷ Total Credit Sales) × Number of Days
  • Many distributors target DSO in the 40–50 day range, depending on customer mix

 

  • Example Target Aging Distribution:

  • Current (0-30 days): 60-70% of total AR
  • 31-60 days: 20-25% of total AR
  • 61-90 days: 8-12% of total AR
  • Over 90 days: Less than 5% of total AR

  • Working Capital Impact:

  • Higher DSO increases working capital needs; extending terms from Net 30 to Net 60 can materially increase WC requirements

Given that PwC's 2022 study of European automotive suppliers found net working capital days rose by 7–18 days versus 2017, precise cash flow calculations become even more critical for maintaining operational stability.

Payment Terms Examples for Automotive Parts Distributors

The automotive parts distribution industry employs various payment term structures to accommodate different customer relationships and market conditions. Understanding these structures enables distributors to optimize both competitive positioning and cash flow management.

Common Term Structures

Standard Net Terms:

  • Net 30: Most common for established relationships
  • Net 45: Often used for mid-sized commercial accounts
  • Net 60: Typical for large fleet operators and wholesale accounts
  • Net 90: Reserved for strategic relationships with major customers

Early Payment Discounts:

  • 2/10 Net 30: 2% discount if paid within 10 days, otherwise full payment due in 30 days
  • 1/15 Net 45: 1% discount if paid within 15 days, otherwise full payment due in 45 days
  • Companies offering 2/10 net 30 terms achieve an equivalent 37% annual return on early payments

Industry-Specific Examples

Fleet Account Terms:

  • Net 60 with volume discounts for orders over $5,000
  • Seasonal terms (Net 90) during peak maintenance periods

Repair Shop Arrangements:

  • Net 30 standard terms with personal guarantees for new customers
  • Progressive term extension (Net 15 → Net 30 → Net 45) based on payment history
  • Emergency parts orders subject to COD or credit card payment

Wholesale Distribution:

  • Net 90 terms for strategic partners with minimum order requirements
  • Consignment inventory arrangements with 30-day payment windows
  • In a 2021 Moody's review, 47 of 121 companies using supply chain finance took more than 90 days to pay suppliers on average

Seasonal variations also impact term structures, with distributors often offering extended terms during slow periods (winter months for certain regions) and tightening terms during peak demand seasons.

COD vs Net Terms: Choosing Payment Terms for Automotive Parts Distributors

Selecting appropriate payment terms for different customer segments requires balancing competitive positioning with credit risk management. Cash on Delivery (COD) and net terms serve distinct purposes in automotive parts distribution strategy.

When to Require COD

COD arrangements are appropriate for:

  • New customer onboarding: Initial transactions until creditworthiness is established
  • High-risk customers: Businesses with poor credit history or financial instability
  • Emergency orders: Same-day delivery requests that bypass normal credit processes
  • Small transaction amounts: Orders under established credit limits where processing costs outweigh benefits

Credit Risk Assessment Process

Effective transition from COD to net terms requires systematic credit evaluation:

  1. Initial screening: Business registration verification and basic financial health check
  2. Trade reference validation: Contact with existing suppliers to verify payment history
  3. Credit scoring: Formal assessment using business credit reports and financial ratios
  4. Credit limit establishment: Setting initial limits based on risk assessment and order history

For automotive parts distributors managing relationships with thousands of repair shops and commercial accounts, this process can become overwhelming without automation. Platforms like Resolve's Business Credit Check deliver instant, data-rich credit decisions that streamline the customer onboarding process while maintaining appropriate risk controls.

Transitioning Customers to Net Terms

Successful term transitions follow a progressive approach:

  • Start with Net 15 terms for new customers with limited credit history
  • Extend to Net 30 after 3-6 months of consistent payment performance
  • Consider Net 45-60 terms for customers demonstrating exceptional payment reliability
  • Reserve Net 90 terms for strategic relationships with significant volume commitments

This graduated approach balances competitive pressure with prudent risk management, particularly important given that 60% of invoices are paid late in the United States.

Setting Up Trade Credit for Your Automotive Parts Business

Establishing a formal trade credit program requires systematic processes and clear policies to manage risk while supporting sales growth. The automotive parts distribution environment demands robust credit management given the industry's thin margins and high inventory requirements.

Credit Application Process

A comprehensive credit application should include:

  • Business information: Legal name, address, tax ID, years in business
  • Financial statements: Balance sheet, income statement, cash flow statement (for larger accounts)
  • Trade references: Minimum of 3-5 supplier references with contact information
  • Banking information: Primary banking relationships and account details
  • Ownership details: Principal owners and their personal guarantee requirements

The credit application process should be streamlined to avoid creating barriers to new business while collecting sufficient information for informed decision-making. Per Resolve, the Business Credit Check can return results within about one business day with minimal inputs, significantly reducing the friction in customer onboarding.

Establishing Credit Limits

Credit limit determination should consider multiple factors:

  • Payment history: Existing relationship performance and industry reputation
  • Financial ratios: Working capital, debt-to-equity, and profitability metrics
  • Order patterns: Average order size, frequency, and seasonality
  • Industry benchmarks: Comparison with similar businesses in the automotive sector

Auto parts distributors typically maintain working capital ratios of 17.25%, which influences credit limit calculations and risk tolerance. Credit limits should be reviewed quarterly and adjusted based on payment performance and changing business conditions.

Credit Scoring Methodology

Effective credit scoring combines multiple data sources:

  • Traditional credit bureaus: Dun & Bradstreet, Experian Business, Equifax Business
  • Trade references: Direct feedback from existing suppliers
  • Financial statement analysis: Liquidity, solvency, and profitability ratios
  • Behavioral data: Order patterns, payment timing, and communication responsiveness

Harry McLaughlin, Credit Operations Manager at Continental Tire, notes that "Typically, payment discounts are offered as a standard for most customers. There may be different levels of discounts depending on the classification of a customer—whether they're a large wholesaler or a small dealer, those factors play a role."

Trade Credit Insurance for Parts Distributors

Trade credit insurance provides protection against customer insolvency and non-payment, offering peace of mind for automotive parts distributors extending significant credit terms. However, alternative solutions like non-recourse financing may provide more comprehensive benefits.

Types of Coverage

Traditional trade credit insurance typically covers:

  • Insolvency protection: Coverage when customers file bankruptcy or become insolvent
  • Protracted default: Protection against customers who fail to pay within extended timeframes
  • Political risk: Coverage for international transactions affected by political events
  • Bad debt protection: Reimbursement for uncollectible accounts within policy limits

Cost-Benefit Analysis

Trade credit insurance premiums typically range from 0.1% to 0.5% of insured sales, depending on:

  • Customer credit quality: Better-rated customers command lower premiums
  • Coverage limits: Higher limits generally reduce per-dollar costs
  • Deductibles: Higher deductibles reduce premium costs
  • Industry risk: Automotive aftermarket risk profiles affect pricing

However, alternative solutions like Resolve's Better Than Factoring platform offer non-recourse financing with no hidden fees, paying distributors upfront while buyers maintain their payment terms. This approach eliminates the need for insurance premiums while providing immediate cash flow benefits.

Non-recourse financing typically shifts insolvency and default risk to the financier, subject to exclusions such as disputes or contractual issues. This comprehensive risk transfer can be more cost-effective than traditional insurance, especially when combined with Resolve's credit assessment and collections management services.

Managing Accounts Receivable in Automotive Distribution

Effective accounts receivable management is critical for automotive parts distributors operating with tight margins and high inventory requirements. The industry's complex customer base—ranging from small repair shops to large fleet operators—requires sophisticated AR strategies and tools.

AR Best Practices

Successful AR management in automotive distribution includes:

  • Aging report monitoring: Weekly review of accounts by aging category
  • Proactive collections: Automated payment reminders before due dates
  • Escalation procedures: Clear protocols for handling delinquent accounts
  • Bad debt reserves: Appropriate provisioning for uncollectible accounts

Given that 60% of invoices are paid late in the United States, proactive collections become essential for maintaining healthy cash flow.

Automation Tools

Manual AR processes become unsustainable as customer bases grow, making automation essential for scaling operations. Resolve's Accounts Receivable with AI-Powered Automation streamlines credit, invoicing, and collections while empowering finance leaders to scale operations with precision and without manual overhead.

Key automation capabilities include:

  • AI agents: Manage workflows, automate payment reminders, and reduce friction in collections
  • Automated reconciliation: Handle any invoice structure—net terms, COD, or due upon receipt
  • Payment portal integration: Accept ACH, wire, credit card, or check through a branded portal
  • Real-time data syncing: Map and sync transaction data automatically to accounting systems

These automated systems reduce Days Sales Outstanding (DSO) while improving customer payment experiences, directly addressing the cash flow challenges created by extended payment terms.

Accounts Payable vs Receivable for Parts Distributors

Balancing accounts payable (AP) and accounts receivable (AR) is fundamental to working capital optimization in automotive parts distribution. The cash conversion cycle—the time between paying suppliers and collecting from customers—directly impacts operational viability.

Balancing AP and AR

Effective working capital management requires strategic alignment between AP and AR terms:

  • Net 30 AR with Net 60 AP: Creates positive working capital cycle
  • Net 60 AR with Net 30 AP: Requires significant working capital investment
  • Synchronized terms: Net 30 AR and AP maintains neutral working capital position

Auto parts distributors typically maintain working capital ratios of 17.25%, indicating the capital intensity of the business model. Optimizing the cash conversion cycle through strategic term management can significantly reduce working capital requirements.

Cash Flow Optimization

Key strategies for cash flow optimization include:

  • Early payment discounts: Taking advantage of supplier discounts when cash is available
  • Selective term extension: Offering extended terms only to customers providing reciprocal benefits
  • Inventory management: Reducing inventory levels to free up working capital
  • Payment term standardization: Reducing administrative complexity through consistent term structures

The automotive aftermarket's projected $448 billion market size creates significant opportunities for distributors who can efficiently manage their working capital cycles while maintaining competitive payment terms.

Accounts Receivable Jobs in Automotive Distribution

The U.S. automotive aftermarket (across manufacturing, distribution, retail, and service) supports approximately 4.7 million jobs, with specialized roles dedicated to accounts receivable management and credit operations.

Key Roles and Responsibilities

AR Specialist:

  • Daily invoice processing and payment application
  • Customer account maintenance and inquiry resolution
  • Aging report generation and basic collections activities
  • Reconciliation of payment discrepancies

Credit Manager:

  • Credit policy development and implementation
  • Customer credit analysis and limit establishment
  • Risk assessment and portfolio monitoring
  • Collections strategy and bad debt management

Collections Analyst:

  • Proactive collections for delinquent accounts
  • Payment arrangement negotiation and monitoring
  • Escalation management for problem accounts
  • Cash application and account reconciliation

Skills Required

Essential skills for AR professionals in automotive distribution include:

  • Industry knowledge: Understanding of automotive parts, repair cycles, and customer types
  • Financial analysis: Ability to interpret financial statements and credit reports
  • Communication: Strong written and verbal skills for customer interactions
  • Technology proficiency: Experience with ERP systems, accounting software, and AR automation tools
  • Problem-solving: Ability to resolve payment disputes and collection challenges

The increasing complexity of payment term management and the adoption of automation technologies are transforming AR roles, with greater emphasis on strategic analysis and exception handling rather than routine transaction processing.

Technology Solutions for Net Terms Management

Modern automotive parts distributors require sophisticated technology solutions to manage complex payment term arrangements efficiently. The integration of credit decisioning, invoicing, payment processing, and collections into a unified platform has become essential for competitive operations.

Software Options

Key technology capabilities for net terms management include:

  • Real-time credit decisioning: Instant approval for qualified customers at checkout
  • Automated invoicing: Consistent invoice generation with clear payment terms
  • Multi-payment processing: Support for ACH, credit card, wire, and check payments
  • Collections automation: AI-powered payment reminders and escalation workflows
  • Accounting integration: Seamless data flow to ERP and accounting systems

Resolve's B2B Payments Platform streamlines net terms, reconciliation, and invoicing with an AI-powered platform built for scale. The platform accepts payments by ACH, credit card, wire, or check through a branded portal while automatically syncing transaction records to accounting systems like QuickBooks.

Integration Considerations

Successful technology implementation requires careful integration planning:

  • ERP compatibility: Ensure seamless data flow between payment and accounting systems
  • E-commerce integration: Embed net terms options directly into online ordering flows
  • API flexibility: Support for custom integrations with existing business systems
  • White-label capabilities: Maintain brand consistency in customer-facing payment experiences

The automotive aftermarket's digital transformation has accelerated the adoption of integrated payment solutions, with distributors recognizing that efficient payment term management directly impacts their ability to compete in an increasingly consolidated market.

Given that the average vehicle age has reached 12.6 years in 2024, driving sustained demand for aftermarket parts, distributors who can efficiently manage complex payment relationships while maintaining healthy cash flow will be best positioned for long-term success.

Frequently Asked Questions

What's the difference between net 30 and 2/10 net 30?

Net 30 requires full payment within 30 days. 2/10 net 30 offers a 2% discount if paid within 10 days, otherwise full payment is due within 30 days—effectively providing a 37% annualized return on early payments.

How do I calculate the due date for net 30 terms?

Add 30 calendar days to the invoice date. Clarify whether your invoice date refers to shipment, delivery, or invoice creation date to avoid confusion. Most distributors use the invoice creation date as the starting point.

Should automotive parts distributors offer net 60 or net 90 terms?

Reserve extended terms for strategic relationships with proven payment histories and significant volume. Given that working capital days have increased in recent years, extended terms require careful cash flow planning and should provide reciprocal benefits like guaranteed minimum orders.

How can I reduce accounts receivable aging in my parts business?

Implement automated payment reminders before due dates, offer early payment discounts, establish clear escalation procedures for delinquent accounts, and use AI-powered collections tools. Proactive management is essential given that 60% of invoices are paid late.

This post is to be used for informational purposes only and does not constitute formal legal, business, or tax advice. Each person should consult his or her own attorney, business advisor, or tax advisor with respect to matters referenced in this post. Resolve assumes no liability for actions taken in reliance upon the information contained herein.