Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear

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Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear - view 1

Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear - view 2

Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear - view 3

Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear - view 4

Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear - view 5

Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear - view 6

Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear - view 7

Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear - view 8

Standard IgnitionPart #: NS-18

Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear

Name: Standard Ignition RU-778 HVAC Blower Motor Resistor - Front or Rear
Brand: Standard Ignition
SKU: FBHK-RU-778
Price: 117.55 USD
Availability: InStock

⚙️ 148 vehicles fit this part

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Select your vehicle to confirm fitment

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Reliable HVAC Blower Motor Resistor for Select Vehicles

The Standard Ignition RU-778 HVAC blower motor resistor is designed to provide consistent performance for your vehicle's heating and cooling system. Engineered for compatibility with various Dodge, Land Rover, Mercedes-Benz, Mini, Porsche, and Volvo models, this resistor ensures proper blower motor speed control.

Screw-on attachment method for secure installation
Electronic coil type for efficient operation
Female rectangular connector with 4 cavities
Supports 3-5 blower motor speeds
Blade-type male terminals, 4 in total
No wiring harness or mounting brackets included

Product Details and Specifications

The RU-778 blower motor resistor from Standard Ignition features an electronic coil type that regulates the blower motor speeds between 3 and 5 settings, ensuring smooth airflow control in your vehicle's HVAC system. The resistor uses a screw-on attachment method, providing a secure and stable fit without the need for additional hardware, which is not included. It connects via a single female rectangular connector with four cavities, designed to interface with blade-type male terminals. This resistor does not come with a wiring harness or mounting brackets, so it is intended for direct replacement in compatible vehicles.

Compatible Vehicles and Applications

This HVAC blower motor resistor is compatible with a range of vehicles, including Dodge Sprinter models (2500, 3500), Land Rover LR2 and Range Rover Evoque, Mercedes-Benz C-Class (C230, C280, C300, C350), E-Class (E300, E350, E550, E63 AMG), GLK350, SLS AMG, Mini Cooper, Porsche 718 Boxster, 718 Cayman, 911, Boxster, Cayman, and Volvo S60, S60 Cross Country, S80, V60, V60 Cross Country, V70, XC60, and XC70. The RU-778 part number ensures precise fitment for these models.

Common Issues Addressed by the RU-778 Resistor

Inconsistent blower motor speeds or blower stuck on one speed
HVAC blower motor not responding to speed control settings
Intermittent or no airflow from the vehicle’s heating and cooling system
Electrical resistance failure causing blower motor malfunction
Overheating or burning smell from the HVAC system

Installation Notes and Tips

Installation of the Standard Ignition RU-778 blower motor resistor requires removing the old resistor and securing the new one using the screw-on attachment method. Since no wiring harness or mounting brackets are included, ensure the existing connectors and mounting points are intact and compatible. Verify the connector orientation matches the female rectangular shape with four cavities. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The RU-778 blower motor resistor undergoes rigorous testing to ensure proper electrical resistance and fitment. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or your supplier for exact warranty terms.

Brand	Standard Ignition
Part Number	NS-18
Color	Black
Connector Gender	Male
Finish	Aluminum, Plastic
Terminal Gender	Male
Terminal Type	Blade

This part fits 148 vehicles. Search below:

Year	Make	Model	Body Type	Liters	Cylinders	Position	Notes
2019	Porsche	718 Boxster				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2019	Porsche	718 Cayman				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2019	Porsche	911				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2018	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2018	Mercedes-Benz	Sprinter				Rear
2018	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2018	Porsche	718 Boxster				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2018	Porsche	718 Cayman				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2018	Porsche	911				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2018	Volvo	V60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2018	Volvo	V60 Cross Country				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2017	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2017	Mercedes-Benz	Sprinter				Rear
2017	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2017	Porsche	718 Boxster				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2017	Porsche	718 Cayman				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2017	Porsche	911				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2017	Volvo	S60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2017	Volvo	S60 Cross Country				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2017	Volvo	V60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2017	Volvo	V60 Cross Country				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2017	Volvo	XC60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2016	Mercedes-Benz	Sprinter				Rear
2016	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2016	Porsche	911				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Porsche	Boxster				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Porsche	Cayman				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Volvo	S60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Volvo	S60 Cross Country				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Volvo	V60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Volvo	V60 Cross Country				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Volvo	XC60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Land Rover	LR2				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Land Rover	Range Rover Evoque				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Mercedes-Benz	SLS AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2015	Mercedes-Benz	Sprinter				Rear
2015	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2015	Porsche	911				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Porsche	Boxster				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Porsche	Cayman				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Volvo	S60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Volvo	V60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Volvo	V60 Cross Country				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Volvo	XC60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Land Rover	LR2				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Land Rover	Range Rover Evoque				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Mercedes-Benz	SLS AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2014	Mercedes-Benz	Sprinter				Rear
2014	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2014	Porsche	911				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Porsche	Boxster				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Porsche	Cayman				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Volvo	S60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Volvo	XC60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Land Rover	LR2				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Land Rover	Range Rover Evoque				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Mercedes-Benz	C300				N/A	4 Terminals; Alternate Number
2013	Mercedes-Benz	SLS AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2013	Mercedes-Benz	Sprinter				Rear
2013	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2013	Porsche	911		3.4L	H6	N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Porsche	Boxster				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Volvo	S60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Volvo	XC60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Land Rover	LR2				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Land Rover	Range Rover Evoque				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Mercedes-Benz	C300				N/A	4 Terminals; Alternate Number
2012	Mercedes-Benz	C63 AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Mercedes-Benz	SLS AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2012	Mercedes-Benz	Sprinter				Rear
2012	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2012	Porsche	911		3.4L	H6	N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Volvo	S60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Volvo	XC60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Land Rover	LR2				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Mercedes-Benz	C300				N/A	4 Terminals; Alternate Number
2011	Mercedes-Benz	C63 AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Mercedes-Benz	E350				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Mercedes-Benz	E63 AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Mercedes-Benz	SLS AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2011	Mercedes-Benz	Sprinter				Rear
2011	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2011	Volvo	S60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Volvo	XC60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Land Rover	LR2				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	C300				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	C350				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	C63 AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	E300				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	E350				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	E550				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	E63 AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	GLK350				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Mercedes-Benz	Sprinter				Front	Automatic temperature control is needed for proper installation.
2010	Mercedes-Benz	Sprinter				Rear
2010	Mercedes-Benz	Sprinter 3500				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2010	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Volvo	V70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Volvo	XC60				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009	Dodge	Sprinter 2500				N/A	Front and Rear Parking Aid Sensor Connector
2009	Dodge	Sprinter 3500		3.0L	V6	N/A	Front and Rear Parking Aid Sensor Connector
2009	Land Rover	LR2				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009	Mercedes-Benz	C230				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009	Mercedes-Benz	C300				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009	Mercedes-Benz	C350				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009	Mercedes-Benz	C63 AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009	Mini	Cooper				N/A	HVAC Blower Motor Resistor with Auto Temp Control; Alternate Number
2009	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009	Volvo	V70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Dodge	Sprinter 2500				N/A	Front and Rear Parking Aid Sensor Connector
2008	Dodge	Sprinter 3500		3.0L	V6	N/A	Front and Rear Parking Aid Sensor Connector
2008	Dodge	Sprinter 3500		3.5L	V6	N/A	Front and Rear Parking Aid Sensor Connector
2008	Land Rover	LR2				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Mercedes-Benz	C230				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Mercedes-Benz	C280				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Mercedes-Benz	C300				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Mercedes-Benz	C350				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Mercedes-Benz	C63 AMG				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Mini	Cooper	Hatchback			N/A	w/ Climate Control; Alternate Number
2008	Mini	Cooper	Wagon			N/A	w/ Climate Control; Alternate Number
2008	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Volvo	V70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008	Volvo	XC70				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2007	Dodge	Sprinter 2500				N/A	Front and Rear Parking Aid Sensor Connector
2007	Dodge	Sprinter 3500		3.0L	V6	N/A	Front and Rear Parking Aid Sensor Connector
2007	Dodge	Sprinter 3500		3.5L	V6	N/A	Front and Rear Parking Aid Sensor Connector
2007	Mini	Cooper	Hatchback			N/A	w/ Climate Control; Alternate Number
2007	Volvo	S80				N/A	Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

191067281S503853-11616890129242-04DR400NS18TNS21NS6578NS6578SBS393

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.