Buy Now & Pay Later

Choose Shop Pay Installments at checkout and split your purchase into easy payments. Shop Pay Installments is powered exclusively by Affirm.

How Shop Pay Installments Works

At checkout, select Shop Pay, then choose Installments (if available) to view your payment options. Approval and available plans are determined by Affirm and can vary based on eligibility and purchase details.

Pay in 4 (biweekly may be available) Monthly plans may be available Eligibility check required

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Good to know: Some plans may include interest (APR varies by plan and eligibility). All terms are presented during checkout before you complete your order.

What to Expect

Step 1

Select Shop Pay at checkout

Step 2

Choose Installments (if eligible)

Step 3

Confirm plan & complete order

Affirm services Shop Pay Installments plans, and payment options are subject to eligibility and approval. You will see all available terms during checkout before you finalize your purchase.

Returns & Refunds with Installments

If you return an item purchased using Shop Pay Installments, refunds are processed according to the installment provider’s process. In general, approved refunds reduce the amount owed and are applied back to the plan based on the provider’s timing and rules.

Track / Return My Order Returns & Warranty

FAQ

Is Shop Pay Installments powered by Affirm?

Yes. Shop Pay Installments is powered exclusively by Affirm.

Will I always see Installments at checkout?

No. Installments appear only if available for your order and if you’re eligible. Options can vary by customer, purchase, and location.

Are there interest charges?

Some plans may include interest (APR varies). If offered, your APR and payment schedule will be shown clearly before you complete checkout.

Who do I contact for payment plan questions?

Payment plan servicing is handled by Affirm. For questions about your order, shipping, or returns, contact Advanced Truck Parts.

What happens if I return an item?

If your return is approved, your refund is applied according to the installment provider’s process and timing and typically reduces your remaining balance.

Disclosures: Payment options are subject to eligibility and approval. Not all customers or orders qualify. Terms are provided at checkout. Advanced Truck Parts does not control approval decisions, loan terms, or servicing.