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 Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2006-2011 Chevrolet Impala 3.5L V6
    Special Price $136.93 Regular Price $195.99
  4. Walker Exhaust Muffler
    Walker Quiet-Flow 22430 Exhaust Muffler
    Special Price $74.71 Regular Price $106.99
  5. Walker Exhaust Bracket
    2 pc Walker Exhaust Brackets for 1980-1990 GMC G2500 5.0L 5.7L 6.2L 6.6L V8
    Special Price $19.90 Regular Price $27.99
  6. Walker Exhaust Bracket
    Walker Int Pipe Exhaust Bracket for 1995-2000 Toyota Tacoma 3.4L V6
    Special Price $29.64 Regular Price $41.99
  7. Walker Exhaust Muffler
    Walker SoundFX 18251 Exhaust Muffler
    Special Price $55.36 Regular Price $78.99
  8. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1985-1990 GMC G1500 4.3L V6
    Special Price $62.59 Regular Price $88.99
  9. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1983-1988 Toyota Tercel 1.5L L4
    Special Price $66.36 Regular Price $94.99
  10. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1980-1989 Dodge Ramcharger 5.2L 5.9L V8
    Special Price $67.40 Regular Price $95.99
  11. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1990 Dodge Dakota 3.9L V6
    Special Price $68.77 Regular Price $97.99
  12. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1994-1997 Honda Accord 2.2L L4
    Special Price $69.79 Regular Price $99.99
    Out of stock
  13. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1992-1993 Buick LeSabre 3.8L V6
    Special Price $69.79 Regular Price $99.99
    Out of stock
  14. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1988-1995 Chevrolet C2500 5.7L 6.2L V8
    Special Price $72.53 Regular Price $103.99
  15. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1988-1995 Toyota 4Runner 3.0L V6
    Special Price $77.43 Regular Price $110.99
  16. Walker Exhaust Muffler
    Walker Quiet-Flow 21565 Exhaust Muffler
    Special Price $79.48 Regular Price $113.99
  17. Walker Exhaust Muffler
    Walker 22022 Exhaust Muffler
    Special Price $79.90 Regular Price $113.99
  18. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2010-2015 Chevrolet Equinox 3.0L 3.6L V6
    Special Price $84.81 Regular Price $120.99
  19. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1993-2000 GMC K2500 4.3L 5.0L 5.7L 6.5L V6 V8
    Special Price $85.64 Regular Price $121.99
  20. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 2006-2011 Chevrolet Impala 3.5L V6
    Special Price $88.12 Regular Price $125.99
  21. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1992-1995 Chevrolet G20 4.3L 5.0L 5.7L V6 V8
    Special Price $89.60 Regular Price $127.99
  22. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1987-1991 GMC G3500 4.3L 5.7L V6 V8
    Special Price $95.14 Regular Price $135.99
  23. Walker Exhaust Muffler
    Walker Quiet-Flow 21357 Exhaust Muffler
    Special Price $96.18 Regular Price $136.99
  24. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1996-2000 GMC C2500 5.7L 7.4L V8
    Special Price $101.21 Regular Price $144.99
  25. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1996-1999 GMC K1500 Suburban 5.7L V8
    Special Price $102.50 Regular Price $145.99
  26. 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
  27. 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
  28. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2008-2017 Buick Enclave 3.6L V6
    Special Price $106.82 Regular Price $152.99
  29. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1998-2001 Dodge Ram 1500 3.9L 5.2L 5.9L V6 V8
    Special Price $115.91 Regular Price $165.99
  30. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 2002-2005 GMC Envoy 4.2L L6
    Special Price $116.07 Regular Price $165.99
  31. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1993-1997 Toyota Corolla 1.6L 1.8L L4
    Special Price $118.72 Regular Price $169.99
  32. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Front Exhaust Muffler for 1999-2004 Chrysler 300M 3.5L V6
    Special Price $124.26 Regular Price $177.99
    Out of stock
  33. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 1993-1997 Chevrolet Camaro 3.4L 3.8L V6
    Special Price $127.43 Regular Price $181.99
  34. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2014-2019 Kia Soul 1.6L L4
    Special Price $135.05 Regular Price $192.99
  35. Walker SoundFX Exhaust Muffler
    2 pc Walker SoundFX Exhaust Mufflers for 1981-1986 Chevrolet K30 5.7L V8
    Special Price $139.27 Regular Price $198.99
  36. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 1992-1995 Chevrolet K2500 Suburban 5.7L V8
    Special Price $143.47 Regular Price $204.99
    Out of stock
  37. Walker SoundFX Exhaust Muffler
    2 pc Walker SoundFX Exhaust Mufflers for 1968-1970 Plymouth Belvedere 6.3L V8
    Special Price $156.96 Regular Price $223.99
    Out of stock
  38. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2002-2006 Cadillac Escalade EXT 6.0L V8
    Special Price $160.37 Regular Price $228.99
  39. Walker Quiet-Flow Exhaust Muffler
    Walker Quiet-Flow Exhaust Muffler for 2002-2005 Chevrolet Trailblazer 4.2L L6
    Special Price $170.18 Regular Price $242.99
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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.