Parts — New & Used
TTJ AI Diagnostics supplies new and used automotive and diesel replacement parts, including starters, alternators, A/C compressors, and more. We source through suppliers including O’Reilly Auto Parts, AutoZone, Cummins, Detroit Diesel, International, Paccar, and Perkins, plus our nationwide salvage-yard network.
Find the part you need
- Starters and alternators
- A/C compressors
- Other automotive and diesel replacement parts — ask about availability
Request a part quote
- Send your VIN or vehicle year, make, model, and engine.
- Tell us the part you need and include its part number or a photo if available.
- Choose new or used and provide your delivery ZIP code.
Before you pay, we will confirm fitment, availability, price, shipping cost, and applicable warranty terms. Your quote will also identify any core charge or core-return requirements that apply.
Request a Part Quote or email ttjautorepair@gmail.com.
New Parts
We source new replacement parts through our supplier network. Contact us for a quote even if your part is not listed.
Used Parts
We source used parts through our nationwide salvage-yard network. Condition, available photos, testing information, and applicable warranty terms will be confirmed for the specific part before purchase.