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. Gates Engine Crankcase Vent Valve
    Gates PCV Valve Engine Crankcase Vent Valve for 2011-2019 Ram 1500 5.7L V8
    Special Price $42.44 Regular Price $60.99
  2. Gates Engine Crankcase Vent Valve
    Gates PCV Valve Engine Crankcase Vent Valve for 2012-2018 Jeep Wrangler 3.6L V6
    Special Price $55.44 Regular Price $78.99
  3. Gates Engine Crankcase Vent Valve
    Gates PCV Valve Engine Crankcase Vent Valve for 2010-2019 Ram 2500 5.7L V8
    Special Price $42.44 Regular Price $60.99
  4. Gates Engine Crankcase Vent Valve
    Gates PCV Valve Engine Crankcase Vent Valve for 2013-2019 Dodge Journey 3.6L V6
    Special Price $55.44 Regular Price $78.99
  5. Gates Engine Crankcase Vent Valve
    Gates PCV Valve Engine Crankcase Vent Valve for 2013-2019 Dodge Charger 3.6L V6
    Special Price $56.58 Regular Price $80.99
  6. Gates Engine Crankcase Vent Valve
    Gates EMH918 Engine Crankcase Vent Valve
    Special Price $33.56 Regular Price $47.99
  7. MAHLE Catalytic Converter Gasket
    MAHLE F12387 Catalytic Converter Gasket
    Special Price $5.27 Regular Price $7.99
  8. MAHLE Catalytic Converter Gasket
    MAHLE Rear Rearward Catalytic Converter Gasket for 2008 Hyundai Tiburon 2.0L L4
    Special Price $11.68 Regular Price $16.99
  9. MAHLE Catalytic Converter Gasket
    MAHLE Front Catalytic Converter Gasket for 2001-2002 Dodge Stratus 3.0L V6
    Special Price $11.68 Regular Price $16.99
  10. MAHLE Catalytic Converter Gasket
    MAHLE Front Catalytic Converter Gasket for 2010-2012 Chevrolet Malibu 2.4L L4
    Special Price $11.76 Regular Price $16.99
  11. MAHLE Catalytic Converter Gasket
    MAHLE Left Catalytic Converter Gasket for 2008-2009 Toyota Sequoia 5.7L V8
    Special Price $12.48 Regular Price $17.99
  12. MAHLE Catalytic Converter Gasket
    MAHLE Outlet Catalytic Converter Gasket for 2003-2009 Nissan 350Z 3.5L V6
    Special Price $13.44 Regular Price $18.99
  13. MAHLE Catalytic Converter Gasket
    MAHLE Catalytic Converter Gasket for 2010-2011 Mitsubishi Lancer 2.4L L4
    Special Price $19.34 Regular Price $27.99
  14. MAHLE Catalytic Converter Gasket
    MAHLE Front Catalytic Converter Gasket for 1996-1997 Kia Sephia 1.6L L4
    Special Price $19.73 Regular Price $27.99
  15. Gates Engine Crankcase Vent Valve
    Gates PCV Valve Engine Crankcase Vent Valve for 2009-2018 Dodge Durango 5.7L V8
    Special Price $43.31 Regular Price $61.99
  16. Gates Engine Crankcase Vent Valve
    Gates PCV Valve Engine Crankcase Vent Valve for 2011-2018 Ram 3500 5.7L V8
    Special Price $43.31 Regular Price $61.99
  17. Gates Engine Crankcase Vent Valve
    Gates EMH920 Engine Crankcase Vent Valve
    Special Price $45.85 Regular Price $65.99
  18. Gates Engine Crankcase Vent Valve
    Gates PCV Valve Engine Crankcase Vent Valve for 2013-2014 Dodge Avenger 3.6L V6
    Special Price $56.58 Regular Price $80.99
  19. Beck/Arnley Engine Crankcase Vent Valve
    Beck/Arnley 045-0410 Engine Crankcase Vent Valve
    Special Price $115.33 Regular Price $164.99
  20. MAHLE Catalytic Converter Gasket
    MAHLE F7556 Catalytic Converter Gasket
    Special Price $3.90 Regular Price $5.99
  21. MAHLE Catalytic Converter Gasket
    MAHLE F32697 Catalytic Converter Gasket
    Special Price $4.70 Regular Price $6.99
  22. MAHLE Catalytic Converter Gasket
    MAHLE F10076 Catalytic Converter Gasket
    Special Price $5.65 Regular Price $7.99
  23. MAHLE Catalytic Converter Gasket
    MAHLE F7538 Catalytic Converter Gasket
    Special Price $5.69 Regular Price $7.99
  24. MAHLE Catalytic Converter Gasket
    MAHLE F7555 Catalytic Converter Gasket
    Special Price $5.92 Regular Price $7.99
  25. MAHLE Catalytic Converter Gasket
    MAHLE F32166 Catalytic Converter Gasket
    Special Price $6.29 Regular Price $8.99
  26. MAHLE Catalytic Converter Gasket
    MAHLE F32017 Catalytic Converter Gasket
    Special Price $7.16 Regular Price $9.99
  27. MAHLE Catalytic Converter Gasket
    MAHLE F14763 Catalytic Converter Gasket
    Special Price $9.31 Regular Price $12.99
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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


© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.