Car Engine Parts Online

From air filters to fuel delivery, online engine parts are essential for automotive repairs, maintenance, and even performance upgrades. Whether you’re an experienced mechanic or automotive enthusiast working on your daily driver or restoring a classic, Sixity Auto has you covered. Dive into our catalog below to find the car engine parts you need to keep your vehicle running smoothly.

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  1. Holstein Engine Variable Valve Timing (VVT) Adjuster Magnet
    2 pc Holstein Variable Timing Adjuster Magnets for 2014-2015 BMW 328i 2.0L L4
    Special Price $100.60 Regular Price $143.99
    Out of stock
  2. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Rear Exhaust Manifold w Catalytic Converter for 2013-2018 Acura RDX 3.5L V6
    Special Price $487.15 Regular Price $695.99
  3. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Rear Exhaust Manifold w Catalytic Converter for 2009-2019 Honda Pilot 3.5L V6
    Special Price $487.15 Regular Price $695.99
  4. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Rear Exhaust Manifold w Catalytic Converter for 2010-2013 Acura ZDX 3.7L V6
    Special Price $487.15 Regular Price $695.99
  5. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Rear Exhaust Manifold w Catalytic Converter for 2009 Acura RL 3.7L V6
    Special Price $497.10 Regular Price $709.99
  6. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Front Exhaust Manifold w Catalytic Converter for 2005-2008 Acura RL 3.5L V6
    Special Price $528.90 Regular Price $755.99
  7. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Front Exhaust Manifold w Catalytic Converter for 2004-2007 Saturn Vue 3.5L V6
    Special Price $539.70 Regular Price $770.99
  8. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Front Exhaust Manifold w Catalytic Converter for 2010-2014 Acura TSX 3.5L V6
    Special Price $604.45 Regular Price $862.99
  9. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Front Exhaust Manifold w Catalytic Converter for 2015-2017 Acura TLX 3.5L V6
    Special Price $616.79 Regular Price $880.99
  10. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Front Exhaust Manifold w Catalytic Converter for 2013-2018 Acura RDX 3.5L V6
    Special Price $616.79 Regular Price $880.99
  11. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Front Exhaust Manifold w Catalytic Converter for 2010-2013 Acura ZDX 3.7L V6
    Special Price $616.79 Regular Price $880.99
  12. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Front Exhaust Manifold w Catalytic Converter for 2009-2012 Acura RL 3.7L V6
    Special Price $616.79 Regular Price $880.99
  13. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Exhaust Manifold w Catalytic Converter for 2001-2005 Honda Civic 1.7L L4
    Special Price $728.53 Regular Price $1,040.99
    Out of stock
  14. Dorman Catalytic Converter with Integrated Exhaust Manifold
    Dorman Exhaust Manifold w Catalytic Converter for 2001-2005 Acura EL 1.7L L4
    Special Price $743.40 Regular Price $1,061.99
    Out of stock
  15. Walker Products Oxygen Sensor Bung Plug
    Walker Products 90-204 Oxygen Sensor Bung Plug
    Special Price $3.16 Regular Price $4.99
    Out of stock
  16. Walker Products Oxygen Sensor Bung Plug
    Walker Products 90-203SS Oxygen Sensor Bung Plug
    Special Price $4.09 Regular Price $5.99
  17. Walker Oxygen Sensor Bung Plug
    Walker 35299 Oxygen Sensor Bung Plug
    Special Price $8.24 Regular Price $11.99
  18. Walker Products Oxygen Sensor Bung Plug
    Walker Products 90-204P Oxygen Sensor Bung Plug
    Special Price $10.86 Regular Price $15.99
  19. Walker Oxygen Sensor Bung Plug
    Walker Oxygen Sensor Bung Plug for 1997-2000 Dodge Stratus 2.4L L4
    Special Price $15.73 Regular Price $21.99
  20. Walker Oxygen Sensor Bung Plug
    Walker Oxygen Sensor Bung Plug for 1987-1990 GMC G1500 5.7L V8
    Special Price $15.73 Regular Price $21.99
  21. Walker Oxygen Sensor Bung Plug
    Walker Y-Pipe Oxygen Sensor Bung Plug for 1991 GMC G2500 5.7L V8
    Special Price $15.73 Regular Price $21.99
  22. Walker Oxygen Sensor Bung Plug
    Walker Y-Pipe Oxygen Sensor Bung Plug for 1991 Chevrolet G20 5.7L V8
    Special Price $15.73 Regular Price $21.99
  23. Walker Oxygen Sensor Bung Plug
    Walker Oxygen Sensor Bung Plug for 1999-2000 Plymouth Breeze 2.4L L4
    Special Price $15.73 Regular Price $21.99
  24. Walker Oxygen Sensor Bung Plug
    Walker Oxygen Sensor Bung Plug for 1987-1990 Chevrolet G10 5.7L V8
    Special Price $15.73 Regular Price $21.99
  25. Walker Oxygen Sensor Bung Plug
    Walker Oxygen Sensor Bung Plug for 1985-1986 Chevrolet C20 4.3L V6
    Special Price $15.73 Regular Price $21.99
  26. Walker Oxygen Sensor Bung Plug
    Walker Oxygen Sensor Bung Plug for 1981 Pontiac Bonneville 3.8L V6
    Special Price $15.73 Regular Price $21.99
  27. Walker Oxygen Sensor Bung Plug
    Walker Y-Pipe Oxygen Sensor Bung Plug for 1992-1994 GMC Jimmy 4.3L V6
    Special Price $15.73 Regular Price $21.99
  28. Walker Oxygen Sensor Bung Plug
    Walker Y-Pipe Oxygen Sensor Bung Plug for 1988-1993 GMC C2500 4.3L 5.0L V6 V8
    Special Price $15.73 Regular Price $21.99
  29. Walker Oxygen Sensor Bung Plug
    Walker Oxygen Sensor Bung Plug for 1987 GMC R2500 4.3L V6
    Special Price $15.73 Regular Price $21.99
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High-Quality Engine Parts for Your Motor Vehicle

Sixity Auto works with top brands to build our inventory of OEM-quality engine parts online, ensuring you have access to reliable and cost-effective components. We promise that every part fits as advertised and meets or exceeds expectations. 

We want to make sure that whether you’re performing routine maintenance or making a major repair, you can find the best parts at a fair price. Our focus is always on delivering affordable solutions without compromising the strict tolerances for your vehicle’s longevity. 

Fast, Reliable Shipping

We know that when you order car engine parts, you need them right away. Our network of US warehouses enables us to offer fast, dependable shipping across the US, with 99% of orders shipping within one business day. Many of the items in our catalog also come with free shipping. 

A Reputation You Can Count On

Sixity Auto has been in business for over 20 years and has shipped over 10 million engine parts from our online storefront. Our customers praise our products and timely delivery. If you have any questions about us or our inventory, contact our US-based customer service department. We’re happy to be of service.

Frequently Asked Questions

How fast will your engine parts arrive?

Timing is a top priority. We use our extensive network of warehouses to ensure speedy delivery, with most orders shipping within one business day. That said, the exact delivery time will depend on the parts ordered, your location, and the delivery options selected during checkout.

Are the parts on Sixity Auto comparable to what I’d find in a store?

Absolutely! We stock only top-quality OEM-replacement auto parts that meet or exceed original equipment specifications. The crucial difference between Sixity Auto and the other guys is price. We offer these high-quality parts at prices typically lower than those at your local auto parts store.

Do you offer any discounts for the engine parts sold online?

Yes. We’re proud to offer a 10% discount on everything for military personnel


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