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Dorman Delphi FRAM Walker 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. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1983-1984 Pontiac Phoenix 2.5L L4
    Special Price $25.79 Regular Price $36.99
    Dorman
  2. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-2001 GMC Jimmy 5.0L 5.7L V8
    Special Price $25.79 Regular Price $36.99
    Dorman
  3. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1995 Chevrolet G10
    Special Price $25.79 Regular Price $36.99
    Dorman
  4. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1999-2007 GMC Sierra 1500 4.3L 4.8L 5.3L 6.0L V6 V8
    Special Price $25.79 Regular Price $36.99
    Dorman
  5. Dorman Secondary Air Injection Pump Pulley
    Dorman Secondary Air Injection Pump Pulley for 1976-1979 Buick Electra
    Special Price $26.28 Regular Price $37.99
    Dorman
  6. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1986-2005 Pontiac Bonneville 3.8L 4.3L V6
    Special Price $26.32 Regular Price $37.99
    Dorman
  7. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 2000-2003 GMC Yukon XL 1500 6.0L V8
    Special Price $26.32 Regular Price $37.99
    Dorman
  8. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 2000-2003 Chevrolet Suburban 1500 5.3L V8
    Special Price $26.32 Regular Price $37.99
    Dorman
  9. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1986-2002 Cadillac Eldorado
    Special Price $26.32 Regular Price $37.99
    Dorman
  10. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 2001-2003 Chevrolet Silverado 1500 HD
    Special Price $26.32 Regular Price $37.99
    Dorman
  11. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1995-2003 Oldsmobile Aurora
    Special Price $26.32 Regular Price $37.99
    Dorman
  12. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1995 GMC G1500
    Special Price $26.32 Regular Price $37.99
    Dorman
  13. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-2001 GMC Jimmy 5.0L 5.7L V8
    Special Price $26.32 Regular Price $37.99
    Dorman
  14. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1985-1989 Chevrolet Caprice 4.3L V6
    Special Price $26.32 Regular Price $37.99
    Dorman
  15. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1988-2000 GMC C2500 4.3L 5.0L 5.7L 7.4L V6 V8
    Special Price $26.32 Regular Price $37.99
    Dorman
  16. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 2001-2003 Chevrolet Silverado 3500 6.0L 8.1L V8
    Special Price $26.32 Regular Price $37.99
    Dorman
  17. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1989 Chevrolet P20 5.7L V8
    Special Price $26.32 Regular Price $37.99
    Dorman
  18. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1988-2000 GMC K2500 4.3L 5.0L 5.7L 7.4L V6 V8
    Special Price $26.32 Regular Price $37.99
    Dorman
  19. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1991 GMC V3500 5.7L 7.4L V8
    Special Price $26.32 Regular Price $37.99
    Dorman
  20. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1992 Cadillac Allante
    Special Price $26.32 Regular Price $37.99
    Dorman
  21. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1983-2005 Buick Century 2.5L 3.8L L4 V6
    Special Price $26.32 Regular Price $37.99
    Dorman
  22. Dorman Diesel Fuel Filter Bleeder Screw
    Dorman Diesel Fuel Filter Bleeder Screw for 2007-2012 GMC Sierra 3500 HD 6.6L V8
    Special Price $26.62 Regular Price $37.99
    Dorman
  23. Dorman Secondary Air Injection Pump Pulley
    Dorman Secondary Air Injection Pump Pulley for 1973-1981 Chevrolet Malibu 3.8L 4.4L 5.0L 5.7L V6 V8
    Special Price $26.82 Regular Price $37.99
    Dorman
  24. Dorman Secondary Air Injection Pump Pulley
    Dorman Secondary Air Injection Pump Pulley for 1972-1981 Chevrolet El Camino 3.8L 4.4L 5.0L V6 V8
    Special Price $26.82 Regular Price $37.99
    Dorman
  25. Dorman Secondary Air Injection Pump Pulley
    Dorman Secondary Air Injection Pump Pulley for 1972-1979 Chevrolet Nova
    Special Price $26.82 Regular Price $37.99
    Dorman
  26. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2005 GMC Envoy XUV
    Special Price $26.84 Regular Price $37.99
    Dorman
  27. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2014-2016 Chevrolet SS
    Special Price $26.84 Regular Price $37.99
    Dorman
  28. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2016 Chevrolet Malibu Limited
    Special Price $26.84 Regular Price $37.99
    Dorman
  29. Dorman Engine Oil Filter Cover
    Dorman Engine Oil Filter Cover for 2004-2013 Mazda 3 2.3L L4
    Special Price $26.84 Regular Price $37.99
    Dorman
  30. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2004-2019 Chevrolet Express 2500
    Special Price $26.84 Regular Price $37.99
    Dorman
  31. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2014-2017 Chevrolet Suburban
    Special Price $26.84 Regular Price $37.99
    Dorman
  32. Dorman Engine Oil Filter Cover
    Dorman Engine Oil Filter Cover for 2006-2009 Mercury Milan 2.3L L4
    Special Price $26.84 Regular Price $37.99
    Dorman
  33. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2012-2017 Chevrolet Sonic 1.4L 1.8L L4
    Special Price $27.39 Regular Price $38.99
    Dorman
  34. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2009-2019 Chevrolet Express Pasajeros
    Special Price $27.39 Regular Price $38.99
    Dorman
  35. Dorman Engine Oil Filter Cover
    Dorman Engine Oil Filter Cover for 2006-2010 Ford Fusion 2.3L L4
    Special Price $27.39 Regular Price $38.99
    Dorman
  36. Dorman Engine Oil Filter Cover
    Dorman Engine Oil Filter Cover for 2003-2009 Mazda 6 2.3L 2.5L L4
    Special Price $27.39 Regular Price $38.99
    Dorman
  37. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2010-2017 Chevrolet Camaro
    Special Price $27.39 Regular Price $38.99
    Dorman
  38. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2006-2009 Pontiac Solstice
    Special Price $27.39 Regular Price $38.99
    Dorman
  39. Dorman Ignition Lock Cylinder
    Dorman Ignition Lock Cylinder for 1985-1991 Ford E-150 Econoline
    Special Price $27.40 Regular Price $38.99
    Dorman
  40. Dorman Vapor Canister Vent Solenoid
    Dorman 911-075 Vapor Canister Vent Solenoid
    Special Price $27.57 Regular Price $38.99
    Dorman
  41. Dorman Vapor Canister Purge Valve
    Dorman 911-486 Vapor Canister Purge Valve
    Special Price $27.93 Regular Price $39.99
    Dorman
  42. Dorman Engine Oil Filter Bypass Valve
    Dorman Engine Oil Filter Bypass Valve for 2011-2013 Dodge Charger 3.6L V6
    Special Price $28.35 Regular Price $40.99
    Dorman
  43. Dorman Engine Oil Filter Bypass Valve
    Dorman Engine Oil Filter Bypass Valve for 2011-2013 Jeep Grand Cherokee 3.6L V6
    Special Price $28.35 Regular Price $40.99
    Dorman
  44. Dorman Engine Oil Filter Bypass Valve
    Dorman Engine Oil Filter Bypass Valve for 2011-2013 Dodge Avenger 3.6L V6
    Special Price $28.35 Regular Price $40.99
    Dorman
  45. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1991-1998 Ford Explorer 4.0L V6
    Special Price $28.36 Regular Price $40.99
    Dorman
  46. Dorman Engine Oil Filter Bypass Valve
    Dorman Engine Oil Filter Bypass Valve for 2011-2013 Dodge Grand Caravan 3.6L V6
    Special Price $28.93 Regular Price $40.99
    Dorman
  47. Dorman Engine Oil Filter Bypass Valve
    Dorman Engine Oil Filter Bypass Valve for 2012-2013 Jeep Wrangler 3.6L V6
    Special Price $28.93 Regular Price $40.99
    Dorman
  48. Dorman Vapor Canister Vent Solenoid
    Dorman 911-140 Vapor Canister Vent Solenoid
    Special Price $29.02 Regular Price $40.99
    Dorman
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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. 

Filter By Part Details
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  1. Brand
    Dorman
  2. Brand
    Delphi
  3. Brand
    FRAM
  4. Brand
    Walker
  5. Brand
    MAHLE
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Category
Part Type
  1. Air Filter Housing 11items
  2. Catalytic Converter 6items
  3. Catalytic Converter with Integrated Exhaust Manifold 31items
  4. Diesel Exhaust Fluid (DEF) Heater 8items
  5. Diesel Fuel Filter Bleeder Screw 11items
  6. Diesel Fuel Heating Element 21items
  7. Diesel Fuel Injector Driver Module 10items
  8. Diesel Fuel Injector Driver Module Resistor 71items
  9. Diesel Fuel Injector Pump Driver Relocation Kit 71items
  10. Diesel Particulate Filter (DPF) Gasket 2items
  11. Diesel Particulate Filter Gasket 1item
  12. Distributor Housing Seal Kit 17items
  13. EGR Cooler 55items
  14. EGR Line 30items
  15. EGR System Service Kit 4items
  16. EGR Vacuum Modulator 21items
  17. EGR Valve 110items
  18. EGR Valve Control Solenoid 13items
  19. Engine Air Intake Coupling 11items
  20. Engine Air Intake Hose 136items
  21. Engine Camshaft Synchronizer 18items
  22. Engine Crankcase Breather Element 16items
  23. Engine Cylinder Deactivation Solenoid 119items
  24. Engine Harmonic Balancer 815items
  25. Engine Harmonic Balancer Bolt 145items
  26. Engine Harmonic Balancer Pulley 104items
  27. Engine Intake Manifold 225items
  28. Engine Intake Manifold Actuator 9items
  29. Engine Intake Manifold Adjuster Repair Kit 33items
  30. Engine Intake Manifold and Valve Cover Kit 6items
  31. Engine Intake Manifold Gasket Set 172items
  32. Engine Intake Manifold Runner Control Valve 115items
  33. Engine Intake Manifold Runner Solenoid 2items
  34. Engine Oil Drainback Valve 6items
  35. Engine Oil Filler Tube 127items
  36. Engine Oil Filter Adapter Gasket 31items
  37. Engine Oil Filter Bypass Valve 27items
  38. Engine Oil Filter Cover 340items
  39. Engine Oil Filter Housing Cover Drain Plug 26items
  40. Engine Oil Filter Housing Return Tube 6items
  41. Engine Oil Pan 1153items
  42. Engine Oil Pressure Sensor Filter 51items
  43. Engine Oil Pump Flow Control Valve 15items
  44. Engine Oil Separator Cover 17items
  45. Engine Rear Main Seal Cover 146items
  46. Engine Timing Belt Tensioner 32items
  47. Engine Timing Belt Tensioner Spring 9items
  48. Engine Timing Chain Guide Bolt 34items
  49. Engine Timing Chain Tensioner 24items
  50. Engine Timing Cover 342items
  51. Engine Valve Cover 235items
  52. Engine Valve Cover Gasket 29items
  53. Engine Variable Timing Oil Control Valve 3items
  54. Engine Variable Timing Solenoid 459items
  55. Engine Variable Timing Solenoid Filter 1item
  56. Engine Variable Timing Solenoid Gasket 3items
  57. Engine Variable Timing Sprocket 62items
  58. Engine Variable Valve Timing (VVT) Oil Control Valve 132items
  59. Engine Variable Valve Timing (VVT) Solenoid 453items
  60. Engine Variable Valve Timing (VVT) Solenoid Filter 77items
  61. Engine Variable Valve Timing (VVT) Solenoid Gasket 30items
  62. Engine Variable Valve Timing (VVT) Sprocket 185items
  63. Evaporative Emissions System Detection Pump Filter 1item
  64. Evaporative Emissions System Leak Detection Pump 353items
  65. Evaporative Emissions System Leak Detection Pump Filter 38items
  66. Exhaust Clamp 18items
  67. Exhaust Heat Shield 8items
  68. Exhaust Manifold 478items
  69. Exhaust Manifold to Cylinder Head Repair Clamp 208items
  70. Exhaust Manifold with Integrated Catalytic Converter 6items
  71. Fuel Cooler 26items
  72. Fuel Filler Door Lock Actuator 9items
  73. Fuel Filler Neck 68items
  74. Fuel Filler Neck Seal 110items
  75. Fuel Filter Cap 39items
  76. Fuel Filter Housing 11items
  77. Fuel Filter Primer Housing Seal Kit 22items
  78. Fuel Injection Fuel Feed Pipe 6items
  79. Fuel Injection Pressure Regulator 32items
  80. Fuel Injection Throttle Body 183items
  81. Fuel Injector O-Ring Kit 44items
  82. Fuel Injector Sleeve 16items
  83. Fuel Line 84items
  84. Fuel Line Clip 204items
  85. Fuel Line Connector 532items
  86. Fuel Pump Driver Module 71items
  87. Fuel Pump Module Assembly 52items
  88. Fuel Pump Strainer 20items
  89. Fuel Pump Tank Seal 206items
  90. Fuel Tank 44items
  91. Fuel Tank Filler Neck 9items
  92. Fuel Tank Lock Ring 106items
  93. Fuel Tank Roll Over Valve 9items
  94. Fuel Tank Sending Unit 20items
  95. Fuel Tank Sending Unit Lock Ring 40items
  96. Fuel Tank Strap 90items
  97. Fuel Water Separator Drain Valve 12items
  98. Fuel Water Separator Valve 1item
  99. High Pressure Oil Rail Repair Kit 11items
  100. Hydrocarbon Injector 9items
  101. Ignition Lock Cylinder 534items
  102. Ignition Lock Housing 48items
  103. Ignition Pulsator Ring 28items
  104. Ignition Switch Actuator Pin 36items
  105. PCV Valve Diaphragm 98items
  106. PCV Valve Tubing 19items
  107. Secondary Air Injection Check Valve 72items
  108. Secondary Air Injection Pump 178items
  109. Secondary Air Injection Pump Pulley 102items
  110. Throttle Body Motor 42items
  111. Turbocharger 6items
  112. Turbocharger Boost Solenoid 27items
  113. Turbocharger Coolant Line 8items
  114. Turbocharger Diverter Valve 76items
  115. Turbocharger Intercooler Hose 10items
  116. Turbocharger Mounting Kit 11items
  117. Turbocharger Oil Line 26items
  118. Turbocharger Oil Return Tube 1item
  119. Turbocharger Up Pipe 6items
  120. Turbocharger Up Pipe Kit 16items
  121. Turbocharger Vane Position Solenoid 30items
  122. Turbocharger Wastegate Solenoid 57items
  123. Vacuum Pump 82items
  124. Vacuum Pump Repair Kit 5items
  125. Vacuum Switching Valve 115items
  126. Vapor Canister 255items
  127. Vapor Canister Purge Valve 1243items
  128. Vapor Canister Shut-Off Valve 71items
  129. Vapor Canister Vent Solenoid 963items
  130. Vapor Canister Vent Valve 7items
Sub-Brand
  1. OE Solutions 13707items
  2. TECHoice 135items
Price
$
-
Part Placement
  1. Air Cleaner To Engine 21items
  2. Center 2items
  3. Exhaust 233items
  4. Exhaust Left 19items
  5. Exhaust Right 41items
  6. Front 73items
  7. Front Left 51items
  8. Front Right 51items
  9. Inlet 5items
  10. Inner 2items
  11. Intake 190items
  12. Intake Front 6items
  13. Intake Left 80items
  14. Intake Right 29items
  15. Left 374items
  16. Lower 126items
  17. Lower and Upper 65items
  18. Outer Lower 1item
  19. Outer Upper 2items
  20. Pressure 4items
  21. Rear 25items
  22. Rear Left 52items
  23. Rear Right 51items
  24. Resonator To Air Cleaner 3items
  25. Return 21items
  26. Right 300items
  27. To Air Cleaner 4items
  28. To Resonator 2items
  29. Upper 172items
  30. Various 356items
Stock
  1. In Stock 11414items
  2. Out of Stock 2428items
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100% fitment guarantee at sixityauto.com

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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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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.

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military members and vets save 10% every day

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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.

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