Ultima Alternators Catalog
Ultima alternators deliver OE-quality performance designed to keep vehicles running strong. Built for both domestic and import cars, each unit combines precision engineering with rigorous testing for lasting reliability. Ultima Select steps it up with premium materials and professional-grade durability, making it a trusted choice for technicians and DIY enthusiasts alike. Exclusive to O’Reilly Auto Parts, these alternators cover a wide range of applications, ensuring the right fit and dependable power every time.
Top Ultima Alternators
Ultima Select 130 Amp Alternator
A high‑output, premium new alternator from Ultima’s top‑tier Select line, designed for demanding electrical loads and heavy-duty reliability.
Ultima 155 Amp Alternator (Remanufactured)
A robust remanufactured alternator offering upgraded amperage output, ideal for vehicles with higher power demands or aftermarket accessories.
Ultima Select 130 Amp Alternator – New (Alternate Part)
Another variant of the 130 Amp Select alternator, representing the brand’s consistent commitment to OE‑quality performance with full testing and fit‑for‑application reliability.
Ultima Alternators powers vehicles with high-quality electrical components designed for long-lasting performance and reliability.
Alternators
Ultima alternators, including the premium Ultima Select series, deliver reliable power with high-output rotors, copper windings, and fully tested rectifiers to exceed OEM standards.
Starters
Ultima starters provide smooth engine engagement and durability, engineered to meet rigorous vehicle specifications and professional-grade performance expectations.
Reviews
James Caldwell: “I installed an Ultima Select alternator on my 2015 Toyota Camry, and the difference was immediate. The voltage output was steady, the installation was straightforward, and I noticed improved electrical performance across my vehicle. The quality feels solid, and it’s clear these units are tested thoroughly before leaving the factory. Highly recommended for anyone looking for reliability without breaking the bank.”
Maria Sanchez: “As a professional mechanic, I’ve tried many alternators, but Ultima’s remanufactured units stand out. I replaced a failing alternator on a 2012 Honda Accord, and it worked flawlessly from day one. The bearings and regulators were perfectly matched, and the customer loved the consistent charging performance. Ultima Select’s new series is my go-to for high-output, dependable replacements.”
Derek Thompson: “I recently swapped the starter and alternator in my Ford F-150 with Ultima parts. Installation was smooth, and both components passed the computer tests with no issues. I drive frequently in harsh conditions, and these units have held up without any signs of overheating or wear. Definitely worth the investment for anyone serious about vehicle maintenance.”
Ultima FAQ
What vehicles are Ultima alternators compatible with?
Ultima alternators cover a wide range of domestic, Asian, and European passenger vehicles and light trucks. Each unit is tied to specific year/make/model/engine applications to ensure proper fit and output.
What is the difference between Ultima and Ultima Select?
Ultima Select is the premium “professional” tier, featuring new components with high-performance copper windings and triple-tested electronics, while standard Ultima alternators may be new or remanufactured but still meet or exceed OE standards.
Are Ultima alternators remanufactured or brand new?
The Ultima line includes both fully new alternators and premium remanufactured units. Remanufactured models are rebuilt to OE or higher standards with high-quality bearings, insulation, and fully tested regulators.
How can I know which alternator fits my car?
Use O’Reilly Auto Parts’ online parts lookup to enter your vehicle’s year, make, model, and engine. The system will display compatible Ultima or Ultima Select alternators with correct amperage and specifications.
Do Ultima alternators come with a warranty?
Yes, Ultima and Ultima Select alternators typically come with a limited warranty. Details vary by product, so check O’Reilly Auto Parts listings or product literature for specific coverage terms.
Can I install an Ultima alternator myself?
Yes, many Ultima alternators are designed for DIY installation. However, professional installation is recommended if you’re unfamiliar with electrical systems to ensure correct wiring and torque specifications.
How do I know if my alternator needs replacement?
Common signs include dimming lights, battery warning lights on the dashboard, slow engine crank, or unusual electrical behavior. If you notice any of these, a tested Ultima alternator can restore reliable power.