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. Walker Exhaust Muffler
    Walker SoundFX 17854 Exhaust Muffler
    Special Price $47.08 Regular Price $66.99
  2. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1993-2000 Chevrolet K3500 6.5L V8
    Special Price $85.64 Regular Price $121.99
  3. Walker Exhaust Muffler
    Walker Quiet-Flow 21856 Exhaust Muffler
    Special Price $105.79 Regular Price $150.99
  4. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2008-2012 Jeep Liberty 3.7L V6
    Special Price $125.48 Regular Price $178.99
  5. Walker Exhaust Muffler
    Walker SoundFX 18107 Exhaust Muffler
    Special Price $51.98 Regular Price $73.99
  6. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1984-1989 Nissan 300ZX 3.0L V6
    Special Price $97.57 Regular Price $138.99
  7. Walker Exhaust Muffler
    Walker Pro-Fit 17917 Exhaust Muffler
    Special Price $27.82 Regular Price $39.99
  8. Walker Exhaust Muffler
    Walker Installer Turbo 17603 Exhaust Muffler
    Special Price $37.23 Regular Price $52.99
  9. Walker Exhaust Muffler
    Walker SoundFX 18528 Exhaust Muffler
    Special Price $47.66 Regular Price $67.99
  10. Walker Exhaust Muffler
    Walker SoundFX 18101 Exhaust Muffler
    Special Price $47.89 Regular Price $67.99
  11. Walker Exhaust Muffler
    Walker Quiet-Flow 22229 Exhaust Muffler
    Special Price $51.57 Regular Price $73.99
    Out of stock
  12. Walker Exhaust Muffler
    Walker SoundFX 18274 Exhaust Muffler
    Special Price $53.29 Regular Price $75.99
  13. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1983 Jeep CJ5 2.5L 4.2L L4 L6
    Special Price $57.57 Regular Price $81.99
  14. Walker Exhaust Muffler
    Walker SoundFX 18499 Exhaust Muffler
    Special Price $62.31 Regular Price $88.99
  15. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1992 Chevrolet Astro 4.3L V6
    Special Price $62.59 Regular Price $88.99
  16. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1994-1997 Honda Accord 2.2L L4
    Special Price $66.26 Regular Price $94.99
  17. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1975 Pontiac Grandville 6.6L 7.5L V8
    Special Price $67.40 Regular Price $95.99
  18. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1980-1985 Cadillac Seville 4.1L 5.7L 6.0L V8
    Special Price $68.77 Regular Price $97.99
  19. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1988-1993 Chevrolet K1500 5.7L 6.2L V8
    Special Price $71.08 Regular Price $101.99
  20. Walker Exhaust Muffler
    Walker SoundFX 18955 Exhaust Muffler
    Special Price $71.64 Regular Price $101.99
  21. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1976 Oldsmobile Delta 88 5.7L V8
    Special Price $72.53 Regular Price $103.99
  22. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1992-1995 Ford E-150 Econoline 5.0L V8
    Special Price $72.67 Regular Price $103.99
  23. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1979-1987 GMC Caballero 3.8L 4.3L 5.0L V6 V8
    Special Price $73.86 Regular Price $105.99
  24. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1992-2007 Chrysler Town & Country 3.3L 3.8L V6
    Special Price $74.15 Regular Price $105.99
  25. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 1964 Jeep FJ3 2.2L L4
    Special Price $74.37 Regular Price $105.99
  26. Walker Exhaust Muffler
    Walker SoundFX 18570 Exhaust Muffler
    Special Price $74.92 Regular Price $106.99
  27. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1984-1986 Honda Civic 1.3L 1.5L L4
    Special Price $75.42 Regular Price $107.99
  28. Walker SoundFX Exhaust Muffler
    Walker SoundFX Left Exhaust Muffler for 1987 Chevrolet V20 6.2L V8
    Special Price $76.86 Regular Price $109.99
  29. Walker SoundFX Exhaust Muffler
    Walker SoundFX Right Exhaust Muffler for 1984-1986 GMC K1500 Suburban 6.2L V8
    Special Price $76.86 Regular Price $109.99
  30. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1969-1970 Ford Fairlane 5.8L V8
    Special Price $82.59 Regular Price $117.99
  31. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1991-1994 Oldsmobile Bravada 4.3L V6
    Special Price $85.43 Regular Price $121.99
  32. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2006-2010 Dodge Charger 2.7L 3.5L V6
    Special Price $92.17 Regular Price $131.99
  33. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2007-2010 Ford Explorer Sport Trac 4.6L V8
    Special Price $103.27 Regular Price $147.99
  34. Walker SoundFX Exhaust Muffler
    Walker SoundFX Left Exhaust Muffler for 2006-2011 Chevrolet Impala 3.9L 5.3L V6 V8
    Special Price $104.17 Regular Price $148.99
  35. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2017 GMC Acadia Limited 3.6L V6
    Special Price $106.82 Regular Price $152.99
    Out of stock
  36. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 1986-1990 Chevrolet Caprice 5.0L V8
    Special Price $124.88 Regular Price $177.99
  37. Walker SoundFX Exhaust Muffler
    2 pc Walker SoundFX Exhaust Mufflers for 1969-1970 Ford LTD 7.0L V8
    Special Price $130.78 Regular Price $186.99
  38. Walker SoundFX Exhaust Muffler
    2 pc Walker SoundFX Exhaust Mufflers for 1969-1970 Ford Custom 6.4L 7.0L V8
    Special Price $133.45 Regular Price $190.99
  39. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 1993-1995 Jeep Wrangler 2.5L 4.0L L4 L6
    Special Price $133.87 Regular Price $190.99
  40. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2007-2014 Chevrolet Tahoe 5.3L V8
    Special Price $134.96 Regular Price $192.99
  41. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2002-2004 Jeep Grand Cherokee 4.0L 4.7L L6 V8
    Special Price $138.13 Regular Price $196.99
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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.