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Walker Delphi Dorman MAHLE 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 System Hanger Insulator
    2 pc Walker Muffler Assm Exhaust System Insulators for 2013-2018 Toyota RAV4 2.5L L4
    Special Price $20.01 Regular Price $28.99
    Walker
    Out of stock
  2. Walker Exhaust Clamp
    Walker Converter To Extension Pipe Exhaust Clamp for 2009-2013 Chevrolet Silverado 1500 4.3L 4.8L 5.3L V6 V8
    Special Price $24.53 Regular Price $34.99
    Walker
    Out of stock
  3. Walker Exhaust Clamp
    Walker Exhaust Clamp for 1978-1987 GMC Caballero 3.3L 3.8L 4.3L 4.4L 5.0L V6 V8
    Special Price $9.44 Regular Price $12.99
    Walker
    Out of stock
  4. Walker Exhaust Clamp
    Walker Muffler To Tail Pipe Exhaust Clamp for 1983 Mercury Zephyr 2.3L 3.3L L4 L6
    Special Price $9.64 Regular Price $13.99
    Walker
    Out of stock
  5. Walker Exhaust Pipe Flange Gasket
    Walker Front Pipe To Converter Front Exhaust Pipe Flange Gasket for 1985-1986 Nissan Maxima 3.0L V6
    Special Price $10.12 Regular Price $13.99
    Walker
    Out of stock
  6. Walker Exhaust Clamp
    2 pc Walker Tail Pipe Left Exhaust Clamps for 1982-1986 Chevrolet K30 6.2L V8
    Special Price $11.05 Regular Price $15.99
    Walker
    Out of stock
  7. Walker Exhaust Clamp
    2 pc Walker Exhaust Clamps for 1968-1974 Plymouth Satellite 5.2L 5.6L 5.9L 6.3L 6.6L V8
    Special Price $11.05 Regular Price $15.99
    Walker
    Out of stock
  8. Walker Exhaust Clamp
    2 pc Walker Exhaust Clamps for 1982-1983 GMC K1500 6.2L V8
    Special Price $11.05 Regular Price $15.99
    Walker
    Out of stock
  9. Walker Exhaust Clamp
    2 pc Walker Exhaust Clamps for 1987 GMC R1500 5.0L V8
    Special Price $11.51 Regular Price $15.99
    Walker
    Out of stock
  10. Walker Exhaust Clamp
    2 pc Walker Exhaust Clamps for 1975-1978 GMC C15 Suburban 7.4L V8
    Special Price $11.51 Regular Price $15.99
    Walker
    Out of stock
  11. Walker Exhaust Clamp
    2 pc Walker Muffler Assm To Tail Pipe Exhaust Clamps for 1969-1970 Mercury Marquis 7.0L V8
    Special Price $11.75 Regular Price $16.99
    Walker
    Out of stock
  12. Walker Exhaust Clamp
    2 pc Walker Exhaust Clamps for 1975-1979 Chevrolet C10 7.4L V8
    Special Price $11.75 Regular Price $16.99
    Walker
    Out of stock
  13. Walker Exhaust Clamp
    2 pc Walker Y-Pipe To Int Pipe Front Exhaust Clamps for 1985-1987 Ford F-250 7.5L V8
    Special Price $11.80 Regular Price $16.99
    Walker
    Out of stock
  14. Walker Exhaust Pipe Flange Gasket
    Walker Exhaust Pipe Flange Gasket for 1991-2001 Nissan Sentra 2.0L L4
    Special Price $12.75 Regular Price $17.99
    Walker
    Out of stock
  15. Walker Exhaust Pipe Flange Gasket
    2 pc Walker Exhaust Pipe Flange Gaskets for 1972-1973 Chrysler New Yorker 7.2L V8
    Special Price $12.88 Regular Price $17.99
    Walker
    Out of stock
  16. Walker Exhaust Bolt and Spring
    Walker Converter To Front Pipe Exhaust Bolt & Spring for 2006-2013 Honda Civic 1.8L L4
    Special Price $16.92 Regular Price $23.99
    Walker
    Out of stock
  17. Walker Exhaust Bolt and Spring
    Walker Exhaust Bolt & Spring for 1994-1995 Acura Integra 1.8L L4
    Special Price $16.92 Regular Price $23.99
    Walker
    Out of stock
  18. Walker Exhaust Bolt and Spring
    Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2016 Subaru Crosstrek 2.0L H4
    Special Price $16.92 Regular Price $23.99
    Walker
    Out of stock
  19. Walker Exhaust Pipe Flange Gasket
    Walker Exhaust Pipe Flange Gasket for 1992-1993 Chrysler New Yorker 3.3L 3.8L V6
    Special Price $16.94 Regular Price $23.99
    Walker
    Out of stock
  20. Walker Exhaust Bolt and Spring
    Walker Resonator Assm To Muffler Assm Exhaust Bolt & Spring for 1999-2003 Lexus RX300 3.0L V6
    Special Price $17.26 Regular Price $24.99
    Walker
    Out of stock
  21. Walker Exhaust Pipe Flange Gasket
    Walker Front Converter To Front Pipe Exhaust Pipe Flange Gasket for 2006 Lincoln Zephyr 3.0L V6
    Special Price $17.65 Regular Price $24.99
    Walker
    Out of stock
  22. Walker Exhaust Pipe Flange Gasket
    Walker Converter Right To Front Pipe Exhaust Pipe Flange Gasket for 2007-2012 Lincoln MKZ 3.5L V6
    Special Price $17.65 Regular Price $24.99
    Walker
    Out of stock
  23. Walker Exhaust Pipe Flange Gasket
    2 pc Walker Front Pipe Inlet Exhaust Pipe Flange Gaskets for 2001-2002 Acura MDX 3.5L V6
    Special Price $18.13 Regular Price $25.99
    Walker
    Out of stock
  24. Walker Exhaust Pipe Flange Gasket
    Walker Front Exhaust Pipe Flange Gasket for 1993-1994 Chevrolet Beretta 2.2L L4
    Special Price $19.11 Regular Price $26.99
    Walker
    Out of stock
  25. Walker Exhaust System Hanger Insulator
    2 pc Walker Muffler Assm Right Exhaust System Insulators for 1998-2002 Honda Accord 3.0L V6
    Special Price $20.01 Regular Price $28.99
    Walker
    Out of stock
  26. Walker Exhaust System Hanger Insulator
    2 pc Walker Muffler Assm Exhaust System Insulators for 2008-2013 Nissan Rogue 2.5L L4
    Special Price $20.01 Regular Price $28.99
    Walker
    Out of stock
  27. Walker Exhaust System Hanger Insulator
    2 pc Walker Resonator Assm Exhaust System Insulators for 2004-2008 Chevrolet Aveo 1.6L L4
    Special Price $20.01 Regular Price $28.99
    Walker
    Out of stock
  28. Walker Exhaust System Hanger Insulator
    2 pc Walker Resonator Assm Exhaust System Insulators for 2007-2008 Infiniti G35 3.5L V6
    Special Price $20.42 Regular Price $28.99
    Walker
    Out of stock
  29. Walker Exhaust Clamp
    Walker Int Pipe Left To Muffler Left Exhaust Clamp for 2011-2014 Ford Mustang 5.0L V8
    Special Price $24.53 Regular Price $34.99
    Walker
    Out of stock
  30. Walker Exhaust System Hanger Insulator
    3 pc Walker Muffler Assm Exhaust System Insulators for 2009-2012 Ford Escape 2.5L 3.0L L4 V6
    Special Price $26.33 Regular Price $37.99
    Walker
    Out of stock
  31. Walker Exhaust Pipe Flange Gasket
    2 pc Walker Converter Inlet Exhaust Pipe Flange Gaskets for 1993-1995 Chevrolet C1500 4.3L 5.0L 5.7L V6 V8
    Special Price $32.91 Regular Price $46.99
    Walker
    Out of stock
  32. Walker Exhaust Pipe Flange Gasket
    2 pc Walker Y-Pipe Inlets Exhaust Pipe Flange Gaskets for 1988-1995 GMC K3500 5.7L 6.2L V8
    Special Price $32.91 Regular Price $46.99
    Walker
    Out of stock
  33. Walker Exhaust Pipe Flange Gasket
    2 pc Walker Converter Inlet Exhaust Pipe Flange Gaskets for 1995 GMC G2500 4.3L 5.0L 5.7L V6 V8
    Special Price $32.91 Regular Price $46.99
    Walker
    Out of stock
  34. Walker Exhaust Pipe Flange Gasket
    2 pc Walker Y-Pipe Inlet Right Exhaust Pipe Flange Gaskets for 1995 GMC G3500 4.3L V6
    Special Price $33.58 Regular Price $47.99
    Walker
    Out of stock
  35. Walker Exhaust Pipe Flange Gasket
    2 pc Walker Y-Pipe Inlet Right Exhaust Pipe Flange Gaskets for 1995 Chevrolet G30 4.3L V6
    Special Price $33.58 Regular Price $47.99
    Walker
    Out of stock
  36. Walker Exhaust Clamp
    Walker 35408 Exhaust Clamp
    Special Price $1.98 Regular Price $2.99
    Walker
    Out of stock
  37. Walker Exhaust Clamp
    Walker 35413 Exhaust Clamp
    Special Price $2.03 Regular Price $2.99
    Walker
    Out of stock
  38. Walker Exhaust Clamp
    Walker 35414 Exhaust Clamp
    Special Price $2.07 Regular Price $2.99
    Walker
    Out of stock
  39. Walker Exhaust Pipe Flange Gasket
    Walker 31307 Exhaust Pipe Flange Gasket
    Special Price $3.27 Regular Price $4.99
    Walker
    Out of stock
  40. Walker Exhaust Pipe Flange Gasket
    Walker 31355 Exhaust Pipe Flange Gasket
    Special Price $3.69 Regular Price $4.99
    Walker
    Out of stock
  41. Walker Exhaust Clamp
    Walker 35772 Exhaust Clamp
    Special Price $4.74 Regular Price $6.99
    Walker
    Out of stock
  42. Walker Exhaust Reduction Pipe
    Walker 41962 Exhaust Reduction Pipe
    Special Price $4.91 Regular Price $6.99
    Walker
    Out of stock
  43. Walker Exhaust Reduction Pipe
    Walker 41955 Exhaust Reduction Pipe
    Special Price $4.93 Regular Price $6.99
    Walker
    Out of stock
  44. Walker Exhaust Reduction Pipe
    Walker 41939 Exhaust Reduction Pipe
    Special Price $5.00 Regular Price $6.99
    Walker
    Out of stock
  45. Walker Exhaust Pipe Flange Gasket
    Walker 31532 Exhaust Pipe Flange Gasket
    Special Price $5.32 Regular Price $7.99
    Walker
    Out of stock
  46. Walker Exhaust Pipe Flange Gasket
    Walker 31577 Exhaust Pipe Flange Gasket
    Special Price $5.60 Regular Price $7.99
    Walker
    Out of stock
  47. Walker Exhaust Pipe Flange Gasket
    Walker 31377 Exhaust Pipe Flange Gasket
    Special Price $5.83 Regular Price $7.99
    Walker
    Out of stock
  48. Walker Exhaust Pipe Flange Gasket
    Walker 31624 Exhaust Pipe Flange Gasket
    Special Price $6.45 Regular Price $8.99
    Walker
    Out of stock
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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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  1. Brand
    Walker
  2. Brand
    Delphi
  3. Brand
    Dorman
  4. Brand
    MAHLE
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Shopping Options
Part Type
  1. Exhaust Bolt and Spring 152items
  2. Exhaust Bracket 10items
  3. Exhaust Clamp 1578items
  4. Exhaust Elbow 10items
  5. Exhaust Intermediate Pipe 42items
  6. Exhaust Muffler 105items
  7. Exhaust Muffler Assembly 16items
  8. Exhaust Pipe 29items
  9. Exhaust Pipe Connector 17items
  10. Exhaust Pipe Flange Gasket 536items
  11. Exhaust Pipe Spout 1item
  12. Exhaust Reduction Pipe 14items
  13. Exhaust Resonator 3items
  14. Exhaust Resonator and Pipe Assembly 5items
  15. Exhaust System Hanger 2items
  16. Exhaust System Hanger Insulator 343items
  17. Exhaust Tail Pipe 4items
  18. Exhaust Y Pipe 9items
  19. Muffler / Exhaust Putty 1item
Sub-Brand
  1. Mega-Clamp 10items
  2. Pro-Fit 10items
  3. Quiet-Flow 49items
  4. SoundFX 54items
Price
$
-
Pack Size
  1. 1 1994items
  2. 2 802items
  3. 3 59items
  4. 4 21items
  5. 5 1item
Part Placement
  1. Bracket 12items
  2. Center Converter To Front Pipe 5items
  3. Connector To Extension Pipe 3items
  4. Connector To Muffler Assm 1item
  5. Connector To Resonator Assm 2items
  6. Converter Center To Front 2items
  7. Converter Center To Rear 6items
  8. Converter Inlet 34items
  9. Converter Inlet Center 2items
  10. Converter Inlet Front 4items
  11. Converter Inlet Left 1item
  12. Converter Inlet Right 1item
  13. Converter Left To Rear 3items
  14. Converter Left To Y-Pipe Front 1item
  15. Converter Rear 5items
  16. Converter Rear Left To Muffler 1item
  17. Converter Rear Right To Muffler 1item
  18. Converter Rear Right To Muffler Assm 1item
  19. Converter Rear Right To Rear Left 1item
  20. Converter Rear To Extension Pipe 1item
  21. Converter Rear To Int Pipe 2items
  22. Converter Rear To Muffler Assm 2items
  23. Converter Right To Front Pipe 8items
  24. Converter Right To Front Y-Pipe 1item
  25. Converter Right To Rear 3items
  26. Converter To Extension Pipe 14items
  27. Converter To Front Pipe 1item
  28. Converter To Int Pipe 16items
  29. Converter To Int Pipe Front 2items
  30. Converter To Muffler Assm 5items
  31. Converter To Resonator 4items
  32. Converter To Resonator Assm 12items
  33. Exhaust Pipe To Muffler 1item
  34. Extension Pipe Left To Tail Left 1item
  35. Extension Pipe Right To Tail Right 1item
  36. Extension Pipe To Muffler 2items
  37. Extension Pipe To Resonator 1item
  38. Extension Pipe To Resonator Assm 4items
  39. Extension Pipe To Tail Pipe 7items
  40. Flex Pipe To Int Pipe 1item
  41. Flex Pipe To Resonator Assm 1item
  42. Front 18items
  43. Front Converter To Center 2items
  44. Front Converter To Front Pipe 12items
  45. Front Converter To Rear Converter 18items
  46. Front Muffler Assm To Rear Left 1item
  47. Front Muffler Assm To Rear Right 1item
  48. Front Pipe 12items
  49. Front Pipe Front to Rear 5items
  50. Front Pipe Inlet 30items
  51. Front Pipe Inlet Front 2items
  52. Front Pipe Inlet Left 2items
  53. Front Pipe Inlet Right 2items
  54. Front Pipe Left 12items
  55. Front Pipe Rear To Converter 5items
  56. Front Pipe Right 12items
  57. Front Pipe To Converter 27items
  58. Front Pipe To Converter Front 1item
  59. Front Pipe To Converter Rear 7items
  60. Front Pipe To Int Pipe 9items
  61. Front Pipe To Int Pipe Front 1item
  62. Front Pipe To Rear Converter 2items
  63. Front Pipe To Resonator Assm 3items
  64. H-Pipe To Converter 1item
  65. Inlet Front On Front Pipe 1item
  66. Inlet Rear On Front Pipe 1item
  67. Int Pipe 32items
  68. Int Pipe Front To Rear 2items
  69. Int Pipe Inlet 1item
  70. Int Pipe Left 9items
  71. Int Pipe Left To Muffler Left 1item
  72. Int Pipe Rear 4items
  73. Int Pipe Right 3items
  74. Int Pipe Right To Muffler Right 1item
  75. Int Pipe To Converter 4items
  76. Int Pipe To Muffler 6items
  77. Int Pipe To Muffler Assm 9items
  78. Int Pipe To Resonator Assm 2items
  79. Int Pipe To Tail Pipe 1item
  80. Left 33items
  81. Left Converter To Front Pipe 5items
  82. Left Converter To H-Pipe 1item
  83. Left Converter To Resonator Assm 2items
  84. Left Converter To Y-Pipe 3items
  85. Left Tail Pipe To Left Spout 1item
  86. Manifold Converter To Front Pipe 1item
  87. Manifold To Converter 1item
  88. Muffler 48items
  89. Muffler Assm 57items
  90. Muffler Assm Front 3items
  91. Muffler Assm Front To Rear 2items
  92. Muffler Assm Front To Y-Pipe 1item
  93. Muffler Assm Left 6items
  94. Muffler Assm Rear 3items
  95. Muffler Assm Right 6items
  96. Muffler Assm To Extension Pipe 2items
  97. Muffler Assm To Resonator Assm 11items
  98. Muffler Assm To Tail Pipe 50items
  99. Muffler Front 2items
  100. Muffler Front To Extension Pipe 6items
  101. Muffler Left 4items
  102. Muffler Left To Extension Pipe Left 1item
  103. Muffler Left To Tail Pipe Left 15items
  104. Muffler Rear 2items
  105. Muffler Rear To Tail Pipe 6items
  106. Muffler Right 4items
  107. Muffler Right To Extension Pipe Right 1item
  108. Muffler Right To Tail Pipe Right 13items
  109. Muffler To Extension Pipe 9items
  110. Muffler To Int Pipe 2items
  111. Muffler To Left Tail Pipe 25items
  112. Muffler To Resonator Assm 4items
  113. Muffler To Right Tail Pipe 25items
  114. Muffler To Spout 2items
  115. Muffler To Tail Pipe 159items
  116. Muffler To Tail Pipe Front 5items
  117. Rear 13items
  118. Rear Converter To Front Pipe 4items
  119. Rear Converter To Resonator 6items
  120. Rear Converter To Resonator Assm 13items
  121. Rear Resonator Assm To Muffler Assm 1item
  122. Resonator Assm 48items
  123. Resonator Assm Rear 3items
  124. Resonator Assm To Extension Pipe 5items
  125. Resonator Assm To Int Pipe 6items
  126. Resonator Assm To Muffler Assm 24items
  127. Resonator Assm To Spout 2items
  128. Resonator Assm To Y-Pipe 2items
  129. Resonator To Int Pipe 7items
  130. Resonator To Tail Pipe 1item
  131. Resonator To Y-Pipe 2items
  132. Right 32items
  133. Right Converter To H-Pipe 1item
  134. Right Converter To Y-Pipe 3items
  135. Right Tail Pipe To Right Spout 1item
  136. Tail Pipe 103items
  137. Tail Pipe Front To Tail Pipe Rear 5items
  138. Tail Pipe Left 32items
  139. Tail Pipe Rear 1item
  140. Tail Pipe Right 26items
  141. Tail Pipe To Spout 1item
  142. Various 102items
  143. Y-Pipe 7items
  144. Y-Pipe Inlet Right 2items
  145. Y-Pipe Inlets 46items
  146. Y-Pipe To Converter 2items
  147. Y-Pipe To Int Pipe 3items
  148. Y-Pipe To Int Pipe Front 1item
free shipping on eligible items at sixityauto.com

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On eligible items

At SixityAuto.com, we offer free shipping on thousands of eligible items. We also ship FAST. Over 99% of all items ordered will ship within one business day. Plus, we ship from our strategically located warehouses on the East and West Coast to save precious shipping time.

100% fitment guarantee at sixityauto.com

100% FITMENT GUARANTEE
Your parts will fit as advertised

Shop with confidence, knowing that your purchase from Sixity Auto will fit your vehicle. If after purchase you determine that your part does not fit the vehicle we advertised, simply contact us to initiate a return. We want your parts to fit!

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RAVE REVIEWS
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call sixity auto 8am to 8pm Eastern, Monday through Friday

WE'RE HERE TO HELP
(888) 679-6279
Monday through Friday, 8am-8pm Eastern

We speak your language. Our staff has decades of experience selling auto parts to enthusiasts like you. Whether it's for your car, truck, or van, we have staff on hand that can answer your questions and make sure you get the part you're looking for.

For phone sales or help with product fitment questions, our U.S.-based customer service staff in California and Indiana is available weekdays, 8am-8pm ET.

tax exempt shopping available for businesses

BUILT FOR BUSINESS
Tax-exempt shopping available

Sixity Auto works with a wide range of business customers—from repair shops and dealerships to fleet operators, government organizations, and others that purchase parts for resale or operational use.

If you are a qualified tax-exempt or resale customer, submit your documentation and we'll set you up for tax-free shopping. Check out all the details here.

military members and vets save 10% every day

MILITARY DISCOUNT
Save 10% on every purchase

Sixity Auto is proud to support our Active-Duty Service Members, Vets, and their immediate families. To show a token of our thanks, we extend a 10% discount on your entire purchase, every single day.

We use VerifyPass (formerly ID Discount) to help us manage our Military Discount program. Click here for all the details!

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

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