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MERCEDES-BENZ 300SD Electrical Wiring
Showing In Stock Items. Show All 22 Items.
Derale Electric Fan Relays
If you're installing an aftermarket electric fan, then you will need one of these Derale Performance electric fan relays. They feature a heavy-duty 40 amp rating and some include a color-coded wiring harness for an easy installation.
( 79 )
$28.65
ACDelco Wiring Connectors
The average vehicle today has hundreds of wiring connectors. ACDelco connectors are available for everything needed, from antennas to trailer wiring, as well as an array of multi-purpose connectors to maintain the optimal operation of your vehicle. Choose GM-recommended replacement wiring connectors to ensure the same performance, durability, and service life you've come to expect from General Motors products.
( 37 )
$4.99
Standard Motor Wiring Connectors
High-quality, direct-replacement Standard Motor wiring connectors help eliminate the need for a harness by letting you swap only the damaged connector for a cost-effective repair solution. The terminals feature high-grade materials like copper alloy, brass, and phosphor bronze. Together they provide the connectors with prolonged life and superior performance in harsh environments for each specific application. Standard Motor electrical connectors are 100 percent tested for the proper mechanical and electrical fit, form, and function for your vehicle.
( 142 )
$3.99
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$4.99
Dorman Wiring Connectors
Dorman wiring connectors are designed to facilitate the flow of electrical current over a broad range of applications. The small components are available in a variety of styles to fit your specific application or universal fit needs. Choose Dorman wiring connectors for a reliable connection every time.
( 58 )
$10.99
Standard Motor Wiring Pigtails
When you need to replace or repair electrical connectors on your vehicle, Standard Motor pigtails are a great choice. Standard offers pigtails for everything from your alternator and manifold air temperature sensor … to headlight switches and window motors. These factory-type replacement assemblies are available for thousands of specific applications. Choose the Standard Motor parts needed for your make/model.
( 4 )
$32.99
Universal Air Conditioner Binary Switches
Universal Air Conditioner binary switches protect you're A/C system. These HPCO/LPCO switches act as high and low pressure cut outs, turning the compressor clutch off when the refrigerant pressure gets too high to prevent damage to components and failure. They also keep the compressor from coming on when then the pressure is too low, when the outside temperature is too cold or if the system has lost its charge.
Not Yet Reviewed
$11.99
Standard Motor Relays
Don't take chances with old or questionable relays that can leave you stranded. Standard Motor Products relays are designed to exceed OEM specifications for accurate, maintenance-free operation. These replacement units are available in dozens of configurations for easy installation on countless applications. Trust your vehicle's needs to Standard Motor Performance.
( 64 )
$179.99
URO Parts HVAC Blower Motor Resistors
If your European vehicle's blower motor isn't functioning properly--don't panic. More times than not, the blower motor's resistor (also commonly called a blower motor regulator or final stage unit) is the culprit and can easily be replaced. This small component controls the blower motor's speed by varying the power input. URO Parts HVAC blower motor resistors are common replacement items and are pretty easy to replace on most models.
( 1 )
$86.99
Dorman Blower Motor Resistors
Weather forecasts change daily, but your vehicle is still one place where you can control the climate. And that's why Dorman blower motor resistors are so important. The easy-to-install devices control the electric current to the fan motor, keeping your heating and air conditioning system at peak performance, no matter the speed. Their long-lasting design resists thermal fuse failure, overheating, and burnout. These components are available for fitment in a wide range of cars, trucks, and vans.
( 21 )
$223.99
URO Parts Turn Signal Switches
Well-known for the quality and selection of their electrical components, URO Parts turn signal switches are part of their broad range of electrical products for many European makes and models … some sourced directly from OE suppliers. Quality-checked and rigorously tested, URO Parts turn signal switches provide excellent performance and durability. Plus, they may cost less than half of what other European brands charge, meeting the growing demand for alternatives to costly OEM pieces.
Not Yet Reviewed
$121.99
Beck/Arnley Power Steering Switches
Your vehicle has countless electrical switches—powering everything from turn signals and ignition … to HVAC and interior accessories. A faulty switch can cause immediate headaches. Beck/Arnley offers a variety of replacement switches to cover many functions and vehicle applications. They're tested for performance and proper fitment. Order the model recommended for your electrical needs.
( 5 )
$25.99
Standard Motor Ignition Starter Switches
Are you looking for an OE replacement starter switch? Standard Motor ignition starter switches are perfect replacement starter switches that meet or exceed all OE specifications. These switches are specifically designed for each application.
( 99 )
$75.99
Four Seasons Wiring Connectors
Four Seasons engineers and tests their harness and wiring connectors to provide years of trouble-free operation with your vehicle's relays. They feature OE-style connectors, molded plastic construction, quality contacts to ensure proper conductivity, and application-specific designs. The connectors are available for dozens of functions on thousands of vehicles.
Not Yet Reviewed
$25.99
