Get the Part Now, Pay Over Time
Order the engine, transmission, or part your vehicle needs today and spread the cost across manageable monthly payments through Affirm — with your rate and payment shown before you ever confirm anything.
Financing offered through Affirm. Checking your options won't affect your credit score.
What to expect
What you'll see before you buy
See your payment first
Your monthly payment is shown before you buy — no surprises after the fact.
Pick a term that fits
Choose from 6 to 36 months, whatever suits your budget.
One clear total
The total cost is spelled out up front, not buried at the bottom of a receipt.
Nothing hidden
No late fees, no hidden charges tacked on after checkout.
Process
How financing works
Add your part to the cart
Find the engine, transmission, or part you need and add it to your cart like you normally would.
Choose Pay Monthly with Affirm
At checkout, select Affirm and complete a quick eligibility check. It's a soft check, so it won't affect your credit score.
Pick your plan and confirm
Review your fixed monthly payment, choose the term that works for you, and complete your order.
Estimate
Estimate your monthly payment
Adjust the amount, rate, and term to see roughly what a plan could look like. This is an estimate, not an offer.
Plan your payment
Prefer financing? Check your options with Affirm:
Your Estimated Monthly Payment
$57.77
Example only. A down payment may be required. Offers depend on your credit, purchase amount, and other factors.
Trusted partners
Why choose us
Flexible financing, protected payments, nationwide freight, and a review record you can check for yourself — behind every part we ship.
- Buy now, pay monthly
- Secure checkout
- Pay LaterFlexible plans at checkout
- mastercardAccepted at checkout
- VISAAccepted at checkout
- DiscoverAccepted at checkout
Nationwide freight- GoogleCustomer Reviews
Financing Questions
The most common questions about paying over time with Affirm.
Questions about a part or an existing order instead? Email our team or call 1-877-314-1621.
Financing disclosures
Financing is offered by Affirm, not by All Auto And Truck Parts Inc. — we're a merchant partner, not the lender. Your rate and available terms are set by Affirm based on your creditworthiness, purchase amount, and the plan you choose, and they can vary by state.
A down payment may apply to some offers. The numbers shown in our calculator are illustrative estimates to help you plan — they are not a loan offer, and your actual payment, rate, and terms are confirmed by Affirm during checkout, before you agree to anything.
For questions about an existing Affirm loan, a payment, or your account, Affirm's own support team can help at help.affirm.com.
Ready when you are