ACDELCO 20938121 Rear Wheel Sensor 707773717820
( Brand: Acdelco ), ( Manufacturer Part Number: 20938121 ), ( Part Type: Wheel Sensor ), ( Item Dimensions L X W X H: 4.5 X 4.5 X 1.7 Inches ), ( Material: Acrylonitrile Butadiene Styrene ), ( Item Weight: 0.13 Pounds ), ( Style: Modern ), ( Mounting Type: Flange Mount ), ( Output Type: Physical ), ( Specific Uses For Product: Speed, Wheel Speed ), ( UPC: 707773717820 ), ( Global Trade Identification Number: 00707773717820 ), ( Exterior: Machined ), ( Customer S: 4.7 Out Of 5 Stars ), ( Item Length: 4.5 ), ( Item Height: 1.7 )
Review ACDELCO Rear Wheel Speed Sensor
ACDelco 20938121 Rear Wheel Speed Sensor
The ACDelco 20938121 Rear Wheel Speed Sensor is an essential component in maintaining the proper functioning of your vehicle's Anti-Lock Braking System (ABS) and Traction Control System (TCS). This sensor is engineered to monitor the rotational speed of the rear wheel and transmit the data to the vehicle's powertrain control module.
This durable and high-performing sensor is designed with a robust construction, ensuring reliable operation even in the harshest driving conditions. The sensor housing is made of high-strength materials, resistant to corrosion and wear, while the internal components are shielded from the elements to prevent contamination and ensure longevity.
The ACDelco 20938121 Rear Wheel Speed Sensor features a compact design that allows for easy installation and replacement. The sensor comes with a wiring harness that connects directly to the powertrain control module, eliminating the need for additional wiring or splicing.
The sensor utilizes advanced technology to ensure accurate and precise speed readings. The internal magnet and Hall effect IC work together to detect the wheel's rotational speed and transmit the data to the vehicle's control module. This technology allows for quick and responsive control of the ABS and TCS systems, enhancing vehicle safety and performance.
The ACDelco 20938121 Rear Wheel Speed Sensor is engineered to meet or exceed OE specifications and is backed by the ACDelco professional technician support and limited warranty. This sensor is an excellent choice for professional technicians and DIY enthusiasts who demand the highest level of performance and reliability.
In conclusion, the ACDelco 20938121 Rear Wheel Speed Sensor is a high-quality and durable component that plays a critical role in the proper functioning of your vehicle's ABS and TCS systems. With its advanced technology, robust construction, and easy installation, this sensor is an excellent choice for those who demand the best in vehicle safety and performance.
The ACDelco 20938121 Rear Wheel Speed Sensor is a crucial component in the Antilock Braking System (ABS) and Traction Control System (TCS) of various General Motors vehicles. Replacing a faulty sensor can help ensure the proper functioning of these safety systems. Here are some potential pros and cons of buying this sensor.
Pros:1. OEM Quality: ACDelco is a reputable automotive parts manufacturer, and this sensor is designed to meet or exceed the original equipment specifications of General Motors.
2. Improved Safety: By replacing a faulty sensor, you can ensure that your vehicle's ABS and TCS systems function correctly, which can help prevent skidding or hydroplaning during adverse driving conditions.
3. Peace of Mind: With a reliable sensor in place, you can drive with confidence, knowing that your vehicle's safety systems are working as intended.
Cons:1. Cost: The ACDelco 20938121 Rear Wheel Speed Sensor can be more expensive than aftermarket alternatives. However, the price is justified due to the OEM quality and improved safety features.
2. Installation Complexity: Installing this sensor may require specialized tools and technical knowledge, especially if you're not familiar with working on your vehicle's ABS system.
3. Potential for Additional Costs: Depending on the complexity of the installation, you may need to pay for professional labor or additional parts.
Conclusion:The ACDelco 20938121 Rear Wheel Speed Sensor is an essential component of your vehicle's safety systems. It offers OEM quality and improved safety features, but it may come with a higher cost and installation complexity. Ultimately, if you're looking for a reliable and high-performing sensor, the ACDelco 20938121 is a solid choice. However, if you're on a tight budget, you may want to consider aftermarket alternatives or seek professional advice before making a decision.
Recommendation:If you prioritize safety and OEM quality, the ACDelco 20938121 Rear Wheel Speed Sensor is a recommended choice. However, if you're on a tight budget, you may want to consider exploring aftermarket alternatives or seeking professional advice before making a decision. Regardless of your choice, ensure that you follow the installation instructions carefully to prevent any potential issues.
Details:
20938121 Rear Wheel Speed Sensor:: Restores ABS function and performance caused by failed wheel speed sensor, GM-recommended replacement part for your GM vehicles original factory component, Offering the quality, reliability, durability of OE, Manufactured with Original Equipment specification fit, form, function, Chevy: Silverado 1500 2007 -2013; GMC: Sierra 2007 -2013, This requires programming and/or special setup procedures.
part #: 20938121 prices
- $59.48-$73.78
specifications secusammy:
- brand: Acdelco
- mpn: 20938121
- part type: Wheel Sensor
- item dimensions l x w x h: 4.5 X 4.5 X 1.7 Inches
- material: Acrylonitrile Butadiene Styrene
- item weight: 0.13 Pounds
- style: Modern
- mounting type: Flange Mount
- output type: Physical
- specific uses for product: Speed, Wheel Speed
- upc: 707773717820
- global trade identification number: 00707773717820
- exterior: Machined
- customer s: 4.7 Out Of 5 Stars
- item length: 4.5
- item height: 1.7
shipping secusammy:
- service: Expedited
- cost: $0.00
- transit: 3-8 Days
- type: Fixed
- class: Expedited
general secusammy:
- condition: New
- Vehicle Electronics GPS > Car Alarms Security > Relays Sensors
seller secusammy:
- city: Miami, Florida
- # reviews: 270
- rating: 100.0%
offer secusammy:
- quantity: 1
- availability: In Stock
- options: Ship-to-home
- started: November 18, 2025
- sold: 0
payments secusammy:
- wallet: Apple-pay
- credit card: Mastercard
- other
returns secusammy:
- policy: No Returns
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