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When it comes to maintaining your vehicle’s engine, no stone is too small or insignificant to leave unturned. Your engine is absolutely critical to the overall function of your vehicle – so you want to be sure that every piece of the system is in perfect working order through and through. This is even true of your engine wiring harness, which should be in top condition at all times. Remember that your engine relies on a steady electrical source – and that the wiring that carries that electricity is as important as any other input. You’ll want engine wiring that is heat- and abrasion-resistant and is rated to a high temperature and even higher voltage. You want your car’s electrical system to be top-notch – so ensure that you have great wiring in place throughout, including in your pumps, fans, and lights. Additionally, remember to really think through your electrical system: don’t forget about connectors, terminals, and switches. All the wiring in the world won’t save you if the details aren’t there. Fortunately, PartsGeek.com has everything you need to maintain your electrical system at great prices every day.

Choose from top brands including: OES Genuine and MSD.

Click to Enlarge 95 1995 Mercedes E320 Engine Wiring Harness OES Genuine - Sedan Retail Price: $1,119.71 Your Price: $1,008.75 Quantity: Part Number: W0133-1715517 Notes: Chas: C179244- Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Chassis Range Body •  1995 Mercedes E320 C179244 to  Sedan

Click to Enlarge 93 1993 Mercedes 300E 2.8 Engine Wiring Harness OES Genuine - 124.028 Retail Price: $950.00 Your Price: $744.75 Quantity: Part Number: W0133-1715518 Notes: Chas: -C179243 Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Chassis Range Body •  1993 Mercedes 300E 2.8  to C179243  124.028

Click to Enlarge 93 1993 Mercedes 300E Base Engine Wiring Harness OES Genuine Retail Price: $1,119.71 Your Price: $1,008.75 Quantity: Part Number: W0133-1715517 Notes: Chas: C179244- Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Chassis Range •  1993 Mercedes 300E Base  C179244 to

Click to Enlarge 02 2002 Volkswagen Jetta Engine Wiring Harness 1.9L 4 Cyl ALH DIESEL OES Genuine Retail Price: $68.50 Your Price: $59.75 Out of Stock Part Number: W0133-1735524 Notes: *Contact Bridge with Harness Conntecting Piece to Glow Plug. Availability: Out of Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Engine •  2002 Volkswagen Jetta 1.9L 4 Cyl ALH DIESEL

Click to Enlarge 95 1995 Mercedes C280 Engine Wiring Harness OES Genuine Retail Price: $1,200.00 Your Price: $987.75 Quantity: Part Number: W0133-1717004 Notes: Chas: F159970- Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Chassis Range •  1995 Mercedes C280 F159970 to

Click to Enlarge 03 2003 Volkswagen Jetta Engine Wiring Harness 1.9L 4 Cyl ALH DIESEL OES Genuine Retail Price: $68.50 Your Price: $59.75 Out of Stock Part Number: W0133-1735524 Notes: *Contact Bridge with Harness Conntecting Piece to Glow Plug. Availability: Out of Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Engine •  2003 Volkswagen Jetta 1.9L 4 Cyl ALH DIESEL

Image is not vehicle specific 92 1992 Mercedes 400SE Engine Wiring Harness OES Genuine Retail Price: $695.00 Your Price: $521.75 Quantity: Part Number: W0133-1832429 Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  1992 Mercedes 400SE

Click to Enlarge 87 1987 Volvo 740 Engine Wiring Harness 2.3L 4 Cyl B230F OES Genuine NLA 10/09 Retail Price: $572.48 Your Price: $515.75 Quantity: Part Number: W0133-1597260 Product Remark: NLA 10/09 Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Engine •  1987 Volvo 740 2.3L 4 Cyl B230F

Click to Enlarge 94 1994 Mercedes E320 Engine Wiring Harness OES Genuine - Sedan Retail Price: $950.00 Your Price: $744.75 Quantity: Part Number: W0133-1715518 Notes: Chas: -C179243 Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Chassis Range Body •  1994 Mercedes E320 to C179243  Sedan

Click to Enlarge 95 1995 Mercedes E420 Engine Wiring Harness OES Genuine Retail Price: $700.00 Your Price: $570.75 Quantity: Part Number: W0133-1716110 Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  1995 Mercedes E420

Click to Enlarge 94 1994 Mercedes S320 Engine Wiring Harness OES Genuine Retail Price: $710.00 Your Price: $591.75 Quantity: Part Number: W0133-1718223 Notes: Chas: A 226409-A 290166, Also installed from A 290167 in vehicles with Code 805. Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Chassis Range •  1994 Mercedes S320 A 226409 to A 290166

Click to Enlarge 95 1995 Mercedes S320 Engine Wiring Harness OES Genuine Retail Price: $710.00 Your Price: $591.75 Quantity: Part Number: W0133-1718223 Notes: Chas: A 226409-A 290166, Except with Code 806. Also installed from A 290167 in vehicles with Code 805. Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Chassis Range •  1995 Mercedes S320 A 226409 to A 290166

Click to Enlarge 94 1994 Mercedes S500 Engine Wiring Harness OES Genuine Retail Price: $690.00 Your Price: $619.75 Out of Stock Part Number: W0133-1716146 Availability: Out of Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  1994 Mercedes S500

Click to Enlarge 01 2001 Volkswagen Jetta TDI Engine Wiring Harness OES Genuine Retail Price: $79.50 Your Price: $60.75 Quantity: Part Number: W0133-1735165 Notes: *Contact Bridge with Harness Connecting Piece to Glow Plug. 1)028 972 099 Wiring Conduit Connecting Piece Contact Bridge 1)3A 973 131 24 Pin Male Blade Terminal Housing Also required* Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model •  2001 Volkswagen Jetta TDI

Click to Enlarge 98 1998 Volkswagen Jetta TDI Engine Wiring Harness 1.9L 4 Cyl AHU DIESEL OES Genuine Retail Price: $79.50 Your Price: $60.75 Quantity: Part Number: W0133-1735165 Notes: *Contact Bridge with Harness Connecting Piece to Glow Plug. 1)028 972 099 Wiring Conduit Connecting Piece Contact Bridge 1)3A 973 131 24 Pin Male Blade Terminal Housing Also required* Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Engine •  1998 Volkswagen Jetta TDI  1.9L 4 Cyl AHU DIESEL

Click to Enlarge 91 1991 Buick Roadmaster Estate Wagon Engine Wiring Harness 5.0L V8 MSD Your Price: $33.61 Quantity: Part Number: 2713-03141774 Notes: Ignition Wiring Harness; Plug-In; MSD To GM Dual Connector Coil; Features: No Cutting Or Splicing Plug-In Provides A Direct Plug-In Installation Quick Easy Installation When Adding An MSD Ignition Control Availability: In Stock Shipping Options: Ground Installation Instructions: Installation Instructions PDF - [1] This Product Fits the Following: Catalog: Performance Vehicle Sub Model Engine •  1991 Buick Roadmaster Estate Wagon  5.0L V8