DORMAN 26284KQGZ Western Accelerator Pedal Sensor 4700SF

( Brand: Dorman ), ( Manufacturer Part Number: 26284KQGZ ), ( Part Type: Pedal Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Accelerator Pedal Sensor With Wm526 Series Pedals ), ( Application: Western Star 4700sf Accelerator Pedal Sensor ), ( Cs-sku: 400 )

Review DORMAN Western Accelerator Pedal Sensor fits STAR CUMMINS 2020

The **Dorman 26284KQGZ Accelerator Pedal Sensor** is a precision-engineered, high-performance component specifically designed to seamlessly integrate with the **2020 Western Star 4700SF** equipped with a **Cummins engine**, ensuring optimal throttle response, fuel efficiency, and overall drivetrain reliability. Crafted from durable, corrosion-resistant materials, this sensor features a robust, weather-sealed housing that protects internal components from dust, moisture, and harsh environmental conditions commonly encountered in commercial and heavy-duty applications. The unit incorporates a **hall-effect-based sensor technology**, delivering accurate and consistent throttle position feedback to the engine s Electronic Control Module (ECM), which is critical for maintaining smooth acceleration, precise idle control, and efficient power delivery especially under the demanding loads typical of long-haul and regional freight operations.

At its core, the Dorman 26284KQGZ is engineered to meet or exceed **OEM specifications**, ensuring a perfect fit and seamless compatibility with the Western Star 4700SF s throttle linkage and wiring harness. The sensor s **adjustable pedal arm** allows for fine-tuned calibration, accommodating variations in driver preference and vehicle setup without compromising performance. Whether deployed in stop-and-go urban traffic or sustained highway cruising, this sensor provides real-time throttle feedback, reducing wear on the engine s turbocharger and fuel injection system while minimizing the risk of erratic idle or stalling common issues that can disrupt operations and increase maintenance costs. Additionally, the sensor s **quick-connect wiring harness** simplifies installation, reducing labor time and ensuring a clean, professional finish that aligns with the vehicle s premium build standards.

Beyond its functional excellence, the Dorman 26284KQGZ is built to withstand the rigors of heavy-duty service, featuring a **long service life** and minimal maintenance requirements. Its design minimizes friction and wear in the pedal mechanism, extending the lifespan of the entire throttle assembly and reducing the frequency of costly replacements. For fleet operators and independent truckers alike, this sensor represents a **cost-effective upgrade** that enhances vehicle reliability, reduces downtime, and contributes to a more predictable and efficient operation. Whether used as an original replacement part or a proactive upgrade, the Dorman 26284KQGZ ensures that the Western Star 4700SF delivers the power and responsiveness expected from a modern, high-performance commercial truck without the guesswork or performance compromises associated with aftermarket alternatives.

### **Pros and Cons of buying a Dorman 26284KQGZ Accelerator Pedal Sensor for a 2020 Western Star 4700 with Cummins Engine**

1. **Direct Fitment** The Dorman part is specifically designed for the 2020 Western Star 4700 with a Cummins engine, ensuring compatibility without modifications.

2. **Quality Construction** Dorman is a well-known brand in the aftermarket automotive industry, known for durable and reliable components.

3. **Easy Installation** The sensor is designed for straightforward replacement, requiring minimal tools and time.

4. **Cost-Effective Solution** Compared to OEM parts, Dorman offers a more affordable alternative without sacrificing performance.

5. **Warranty Coverage** Dorman parts typically come with a warranty, providing some assurance against defects.

6. **Common Availability** Since it s a widely used part, it is easily found in auto parts stores, online retailers, and through dealerships.

7. **Prevents Further Issues** A faulty accelerator pedal sensor can cause drivability problems, fuel economy loss, or even engine stalling. Replacing it resolves these issues.

1. **Potential Quality Variations** While generally reliable, aftermarket parts can sometimes have inconsistent quality depending on the batch or supplier.

2. **No OEM Warranty** Unlike genuine OEM parts, Dorman does not come with the manufacturer s extended warranty, which may be a concern for some buyers.

3. **Limited Customization** Since it s a standard replacement part, there may be no options for tuning or upgrading beyond basic functionality.

4. **Possible Calibration Needed** In some cases, replacing the sensor may require a scan tool to recalibrate the vehicle s throttle response.

5. **Resale Impact** If selling the truck later, some buyers may prefer OEM parts, potentially affecting resale value slightly.

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### **Conclusion**

The **Dorman 26284KQGZ accelerator pedal sensor** is a solid choice for replacing a faulty sensor in a 2020 Western Star 4700 with a Cummins engine. It offers a balance of affordability, reliability, and ease of installation, making it a practical solution for most owners. While it lacks the warranty backing of an OEM part, its performance and compatibility make it a worthwhile investment for addressing drivability concerns.

For those prioritizing long-term reliability and warranty coverage, an OEM or high-end aftermarket alternative (such as a part from a specialized heavy-duty supplier) may be preferable. However, for most users, the Dorman part provides an effective and cost-conscious fix.

### **Recommendation**

- You need a reliable, budget-friendly replacement.

- You want a part that fits directly without modifications.

- You re comfortable with basic installation and potential calibration.

- You require maximum warranty coverage.

- You re concerned about long-term durability beyond standard expectations.

- You plan to keep the truck for an extended period and want to maintain higher resale value.

For most owners, the Dorman part is the best balance of cost and performance. Always verify compatibility with your specific engine and vehicle configuration before purchasing.

Details:

Parts Geek - For 2020 Western Star 4700SF Accelerator Pedal Sensor Dorman 26284KQGZ Cummins: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Notes: With WM526 Series Pedals Mounting Hardware Included: No Bracket Color/Finish: Black Installation Yes Package Contents: 1/4 Screws Harness 2 Clips Features: Ideal replacement this accelerator pedal position sensor matches the fit and function of original. Plug play installation - no special tools or programming required to install this sensor. Extensively tested to ensure proper function and a long service life. Trustworthy construction - engineered in North America and made from high-quality materials for long life.

12 Month Warranty Fitment Notes: Vehicle: Engine: 2020 Western Star 4700SFCummins. Quality tested - this accelerator pedal sensor has undergone extensive testing to ensure proper function and a long service life.

part #: 26284kqgz prices

• $58.30-$310.65

specifications pedalspadsaz:

• for models: Star, Cummins
• for years: 2020
• brand: Dorman
• mpn: 26284kqgz
• part type: Pedal Sensor
• manufacturer warranty: 12 Month Warranty
• notes: Accelerator Pedal Sensor With Wm526 Series Pedals
• application: Western Star 4700sf Accelerator Pedal Sensor
• cs-sku: 400

seller pedalspadsaz:

• rating: 98.8%
• # reviews: 328782
• city: Hempstead, New York

returns pedalspadsaz:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

offer pedalspadsaz:

• availability: In Stock
• sold: 0
• started: April 17, 2026
• options: Ship-to-home
• quantity: 1

general pedalspadsaz:

• condition: New
• Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

payments pedalspadsaz:

• credit card: Discover
• wallet: Apple-pay
• other

shipping pedalspadsaz:

• carrier: FedEx
• type: Fixed
• transit: 4-7 Days
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00

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