How to Replace the ISS or OSS Sensor on a Transmission?

Disconnect the cable(s) from the negative battery terminal(s). Raise the vehicle and secure it on jackstands. Identify the sensor to replace. Disconnect the electrical connector and place a drain pan. Remove the sensor mounting bolt and pull out the sensor. Installation is reverse of removal. Check transmission fluid level and add fluid.

Genuine Ram 2500 Speed Sensor

Speed Control Sensor

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16 Speed Sensors found

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Ram 2500 Sensor-Transmission Input Speed
Part Number: 4799061AB
- Other Name: Sensor Transmission Input Speed; Speedometer Sensor, Vehicle Speed Sensor
$40.07 MSRP: $58.85
You Save: $18.78 (32%)

Add to Cart
More Info
Fits the following Vehicles:
2011-2020 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, Powerwagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Reg Cab 2WD, SLT Reg Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Reg Cab 2WD, ST Reg Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L, 8 Cyl 5.7L CNG, 8 Cyl 6.4L
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View related parts
Ram 2500 Sensor-Wheel Speed
Part Number: 4779981AC
- Other Name: Sensor Wheel Speed
- Replaced by: 68457707AD
$39.23 MSRP: $67.85
You Save: $28.62 (43%)

Add to Cart
More Info
Fits the following Vehicles:
2014-2019 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Reg Cab 2WD, SLT Reg Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Reg Cab 2WD, ST Reg Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L, 8 Cyl 5.7L CNG, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Wheel Speed
Part Number: 68457707AA
- Replaced by: 68457707AD
$39.23 MSRP: $67.85
You Save: $28.62 (43%)

Add to Cart
More Info
Fits the following Vehicles:
2020 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Sensor-Wheel Speed
Part Number: 5032220AA
- Other Name: Sensor Wheel Speed
- Replaced by: 5032220AC
$43.98 MSRP: $64.75
You Save: $20.77 (33%)

Add to Cart
More Info
Fits the following Vehicles:
2011 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, Powerwagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L
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View related parts
Ram 2500 Sensor-Anti-Lock Brakes
Part Number: 68165624AD
- Other Name: Sensor Anti-Lock Brakes; ABS Sensor, Front Speed Sensor
- Replaces: 68165624AC
$88.63 MSRP: $135.00
You Save: $46.37 (35%)

Add to Cart
More Info
Fits the following Vehicles:
2014-2018 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Reg Cab 2WD, SLT Reg Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Reg Cab 2WD, ST Reg Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L, 8 Cyl 5.7L CNG, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Sensor-Anti-Lock Brakes
Part Number: 68165624AC
- Other Name: Sensor Anti-Lock Brakes
- Replaced by: 68165624AD
$88.63 MSRP: $135.00
You Save: $46.37 (35%)

Add to Cart
More Info
Fits the following Vehicles:
2014-2015 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Sensor-Wheel Speed
Part Number: 68457706AB
- Other Name: Rear Speed Sensor
- Replaced by: 68457706AD
$55.92 MSRP: $72.50
You Save: $16.58 (23%)

Add to Cart
More Info
Fits the following Vehicles:
2020 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Sensor-Anti-Lock Brakes
Part Number: 68267479AA
- Other Name: Sensor Kit Anti-Lock Brakes
- Replaced by: 68267479AC
$67.37 MSRP: $88.55
You Save: $21.18 (24%)

Add to Cart
More Info
Fits the following Vehicles:
2014-2015 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Sensor-Anti-Lock Brakes
Part Number: 68267479AB
- Other Name: Sensor Kit Anti-Lock Brakes; Front Speed Sensor
- Replaced by: 68267479AC
- Replaces: 68267479AA
$67.37 MSRP: $88.55
You Save: $21.18 (24%)

Add to Cart
More Info
Fits the following Vehicles:
2016-2018 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Reg Cab 2WD, SLT Reg Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Reg Cab 2WD, ST Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L, 8 Cyl 5.7L CNG, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Sensor-Wheel Speed
Part Number: 4779980AC
- Other Name: Sensor Wheel Speed
- Replaced by: 68457706AD
$49.20 MSRP: $72.50
You Save: $23.30 (33%)

Add to Cart
More Info
Fits the following Vehicles:
2014-2019 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Reg Cab 2WD, SLT Reg Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Reg Cab 2WD, ST Reg Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L, 8 Cyl 5.7L CNG, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Anti-Lock Brakes
Part Number: 68292886AB
- Other Name: Front Speed Sensor
- Replaced by: 68292886AC
$36.60 MSRP: $53.90
You Save: $17.30 (33%)

Add to Cart
More Info
Fits the following Vehicles:
2019-2020 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Sensor-Wheel Speed
Part Number: 4779735AC
- Other Name: Sensor Wheel Speed
- Replaced by: 4779735AF
$86.70 MSRP: $131.00
You Save: $44.30 (34%)

Add to Cart
More Info
Fits the following Vehicles:
2012 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Powerwagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L
Less Info
View related parts
Ram 2500 Anti-Lock Brakes
Part Number: 68292886AA
- Replaced by: 68292886AC
$36.60 MSRP: $53.90
You Save: $17.30 (33%)

Add to Cart
More Info
Fits the following Vehicles:
2019 Ram 2500 | Big Horn Crew Cab 2WD, Big Horn Crew Cab 4WD, Big Horn Mega Cab 4WD, Big Horn Reg Cab 2WD, Big Horn Reg Cab 4WD, Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 4WD, Limited Crew Cab 2WD, Limited Crew Cab 4WD, Limited Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, Tradesman Crew Cab 2WD, Tradesman Crew Cab 4WD, Tradesman Reg Cab 2WD, Tradesman Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 6.4L
Less Info
View related parts
Ram 2500 Sensor-Wheel Speed
Part Number: 4779734AC
- Other Name: Sensor Wheel Speed
- Replaced by: 4779734AF
$150.93 MSRP: $225.00
You Save: $74.07 (33%)

Add to Cart
More Info
Fits the following Vehicles:
2012 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Powerwagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L
Less Info
View related parts
Ram 2500 Sensor-Wheel Speed
Part Number: 4779735AD
- Other Name: Sensor Wheel Speed
- Replaced by: 4779735AF
$86.70 MSRP: $131.00
You Save: $44.30 (34%)

Add to Cart
More Info
Fits the following Vehicles:
2013 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L
Less Info
View related parts
Ram 2500 Sensor-Wheel Speed
Part Number: 4779734AD
- Other Name: Sensor Wheel Speed
- Replaced by: 4779734AF
$150.93 MSRP: $225.00
You Save: $74.07 (33%)

Add to Cart
More Info
Fits the following Vehicles:
2013 Ram 2500 | Laramie Crew Cab 2WD, Laramie Crew Cab 4WD, Laramie Mega Cab 2WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 2WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 2WD, Longhorn Mega Cab 4WD, Power Wagon Crew Cab 4WD, SLT Crew Cab 2WD, SLT Crew Cab 4WD, SLT Mega Cab 2WD, SLT Mega Cab 4WD, SLT Regular Cab 2WD, SLT Regular Cab 4WD, ST Crew Cab 2WD, ST Crew Cab 4WD, ST Regular Cab 2WD, ST Regular Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L
Less Info

Ram 2500 Speed Sensor Parts Questions & Answers

Sensor-Wheel Speed
4779980AC
Q: How to Replace the ISS or OSS Sensor on a Transmission?
A: Disconnect the cable(s) from the negative battery terminal(s). Raise the vehicle and secure it on jackstands. Identify the sensor to replace. Disconnect the electrical connector and place a drain pan. Remove the sensor mounting bolt and pull out the sensor. Installation is reverse of removal. Check transmission fluid level and add fluid.

Related Ram 2500 Parts

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