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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Items 1-48 of 1718

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  1. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1968-1972 Ford Custom
    Special Price $14.26 Regular Price $19.99
  2. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1955-1958 Buick Century 5.3L 6.0L V8
    Special Price $13.98 Regular Price $19.99
  3. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1957 Pontiac Super Chief 5.7L V8
    Special Price $14.27 Regular Price $19.99
  4. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1961-1967 Pontiac Tempest
    Special Price $11.77 Regular Price $16.99
  5. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1964-1967 Dodge A100 Truck
    Special Price $12.80 Regular Price $17.99
  6. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1954-1957 Oldsmobile 88 5.3L 6.1L V8
    Special Price $13.76 Regular Price $19.99
  7. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1957-1959 Ford F Series 4.4L 4.8L V8
    Special Price $13.76 Regular Price $19.99
  8. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1966-1968 Pontiac GTO 6.4L 6.6L V8
    Special Price $13.98 Regular Price $19.99
  9. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1978 Ford Courier 2.3L L4
    Special Price $16.60 Regular Price $23.99
  10. Gates Engine Crankcase Breather Cap
    Gates 31061 Crankcase Breather Cap
    Special Price $6.30 Regular Price $8.99
  11. MotoRad Engine Crankcase Breather Cap
    MotoRad MO135 Crankcase Breather Cap
    Special Price $8.03 Regular Price $10.99
  12. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1962-1967 Chevrolet Chevy II
    Special Price $11.77 Regular Price $16.99
  13. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1950-1967 Chrysler New Yorker
    Special Price $13.07 Regular Price $18.99
  14. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1964-1969 Plymouth Valiant
    Special Price $13.11 Regular Price $18.99
  15. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1964-1970 Ford F-100
    Special Price $13.11 Regular Price $18.99
  16. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1973 American Motors Gremlin
    Special Price $13.11 Regular Price $18.99
  17. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1964 Cadillac Series 62
    Special Price $13.11 Regular Price $18.99
  18. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1995-1998 Dodge B2500
    Special Price $13.60 Regular Price $18.99
  19. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1960 Ford Custom 300 3.6L L6
    Special Price $13.76 Regular Price $19.99
  20. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1941-1948 Pontiac Torpedo 3.9L 4.1L L6 L8
    Special Price $13.76 Regular Price $19.99
  21. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1987-1997 Dodge Dakota
    Special Price $13.88 Regular Price $19.99
  22. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1976-1980 Plymouth Volare
    Special Price $13.88 Regular Price $19.99
  23. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1965 International AB1200 3.6L 3.9L L6
    Special Price $13.91 Regular Price $19.99
    Out of stock
  24. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1959-1961 Chevrolet Parkwood 3.8L L6
    Special Price $13.98 Regular Price $19.99
  25. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1957-1958 International A132 3.6L 3.9L 4.3L L6
    Special Price $13.98 Regular Price $19.99
  26. Gates Engine Crankcase Breather Cap
    Gates Crankcase Breather Cap for 1941-1947 Dodge WC 3.3L 3.6L L6
    Special Price $14.05 Regular Price $19.99
  27. GMB Fuel Pump and Sender Assembly
    GMB Fuel Pump & Sender Assembly for 1987 GMC R3500 5.7L V8
    Special Price $85.88 Regular Price $122.99
  28. GMB Fuel Pump and Sender Assembly
    GMB Fuel Pump & Sender Assembly for 1989 Chevrolet V2500 Suburban 5.7L V8
    Special Price $85.88 Regular Price $122.99
  29. GMB Fuel Pump and Sender Assembly
    GMB Fuel Pump & Sender Assembly for 1987 Chevrolet V20 5.7L V8
    Special Price $87.64 Regular Price $124.99
  30. Holstein Engine Variable Valve Timing (VVT) Adjuster Magnet
    2 pc Holstein Variable Timing Adjuster Magnets for 2015 BMW 428i Gran Coupe 2.0L L4
    Special Price $102.66 Regular Price $146.99
    Out of stock
  31. Delphi Fuel Pump and Sender Assembly
    Delphi HP10031 Fuel Pump & Sender Assembly
    Special Price $426.05 Regular Price $608.99
  32. MotoRad Engine Crankcase Breather Cap
    MotoRad MO64 Crankcase Breather Cap
    Special Price $4.58 Regular Price $6.99
  33. MotoRad Engine Crankcase Breather Cap
    MotoRad MO70 Crankcase Breather Cap
    Special Price $5.48 Regular Price $7.99
  34. MotoRad Engine Crankcase Breather Cap
    MotoRad MO61 Crankcase Breather Cap
    Special Price $5.55 Regular Price $7.99
  35. MotoRad Engine Crankcase Breather Cap
    MotoRad MO84 Crankcase Breather Cap
    Special Price $5.91 Regular Price $7.99
  36. MotoRad Engine Crankcase Breather Cap
    MotoRad MO75 Crankcase Breather Cap
    Special Price $6.03 Regular Price $8.99
  37. Gates Engine Crankcase Breather Cap
    Gates 31070 Crankcase Breather Cap
    Special Price $6.05 Regular Price $8.99
    Out of stock
  38. Gates Engine Crankcase Breather Cap
    Gates 31069 Crankcase Breather Cap
    Special Price $6.11 Regular Price $8.99
    Out of stock
  39. Gates Engine Crankcase Breather Cap
    Gates 31078 Crankcase Breather Cap
    Special Price $6.41 Regular Price $8.99
    Out of stock
  40. Gates Engine Crankcase Breather Cap
    Gates 31064 Crankcase Breather Cap
    Special Price $6.51 Regular Price $8.99
  41. MotoRad Engine Crankcase Breather Cap
    MotoRad MO71 Crankcase Breather Cap
    Special Price $6.79 Regular Price $9.99
  42. Gates Engine Crankcase Breather Cap
    Gates 31072 Crankcase Breather Cap
    Special Price $8.98 Regular Price $12.99
  43. MotoRad Engine Crankcase Breather Cap
    MotoRad Crankcase Breather Cap for 1951-1967 Buick Special
    Special Price $11.77 Regular Price $16.99
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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.