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Nitrogen Oxide NOx Sensor fits 3.0L Diesel Pickup JL3A-5L248-BC

Product Description

Premium Commercial-Grade Nitrogen Oxide (NOx) Sensor Replacement Resolves DEF/SCR Exhaust Codes | Prevents Engine Derate | 3.0L DIESEL ONLY

⚠️ CRITICAL BUYER WARNING: 3.0L DIESEL ONLY & EXACT NUMBER MATCH REQUIRED Please note: This is a highly specialized Diesel Nitrogen Oxide (NOx) Sensor strictly designed for 3.0L Turbo Diesel V6 emission systems commonly found in heavily utilized American-designed premium light-duty pickup trucks (2018-2020 generation).

  1. It is absolutely NOT compatible with the highly common Gasoline engine variants (such as the 2.7L, 3.5L, or 5.0L V8).

  2. You MUST verify your exact original equipment (OE) part number perfectly matches JL3A-5L248-BC before purchasing to ensure correct fitment and internal protocol compatibility.

🔍 PRODUCT OVERVIEW This premium aftermarket NOx Sensor is specifically engineered for a select fleet of hard-working American light-duty diesel rigs. The NOx sensor is the most critical component of your truck's SCR (Selective Catalytic Reduction) and DEF (Diesel Exhaust Fluid) system. It monitors the level of nitrogen oxide emitted into the exhaust to ensure your truck is running clean and complying with strict EPA regulations.

Operating in extreme exhaust temperatures and constantly exposed to soot and DEF fluid, the highly sensitive internal ceramic probe eventually degrades. When this NOx sensor fails, it immediately logs stubborn emission codes, triggers the Check Engine Light, and worst of all, can invoke a "Speed Limited" countdown (Engine Derate / Limp Mode) to protect the emission system. For contractors and towers, this means disastrous downtime. Replacing your failed sensor with our highly calibrated, premium-grade assembly instantly restores proper emission readings, clears dashboard countdowns, and gets your diesel workhorse back to full pulling power.

  • Position: Exhaust System / SCR Monitoring

  • Condition: 100% Brand New Premium Aftermarket (1 Piece)

  • Application: Premium American 3.0L Turbo Diesel Exhaust Systems

  • Reference Numbers: JL3A-5L248-BC / JL3A5L248BC

✅ VEHICLE COMPATIBILITY & QUALITY ASSURANCE

  • Models: fits widely popular American 3.0L Diesel Light-Duty Pickups requiring part number JL3A-5L248-BC.

  • QUALITY: Built to meet or exceed commercial standards. Directly replaces the factory control module and sensor probe.


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  • Immediate Payment: Immediate payment is required for "Buy It Now" items to ensure your order is processed instantly.


  • Sales Tax: eBay may automatically collect sales tax based on your state's regulations. We do not have control over these charges.


  • Order Cancellation: If you placed an order by mistake, please contact us within 1 hour. Once the order is processed or shipped, we cannot cancel it.

Free Shipping & Fast Handling:



  • Handling Time: We usually ship within 1-2 business days (excluding weekends and holidays) after payment is cleared.


  • Tracking Number: A tracking number will be uploaded to your order details as soon as the item leaves our warehouse.


  • Address Accuracy: We only ship to the confirmed address provided by eBay. Please verify your address before checkout. We are not responsible for undeliverable addresses or return shipping fees caused by incorrect addresses.


  • International Buyers: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.

30-Day Hassle-Free Returns: We stand behind our products. If you are not satisfied, you may return the item within 30 days of receipt.



  • Defective/Damaged Items: If the part arrives damaged or doesn't work, please send us pictures/videos first. We will offer a Full Refund or Free Replacement immediately.


  • Bought Wrong Part: If you purchased the wrong part or simply changed your mind, we accept returns, but the Buyer is responsible for return shipping costs. The item must be returned in its original, uninstalled condition.


  • Remanufactured Parts Notice: For remanufactured items, minor cosmetic wear (scratches/discoloration) on the housing is normal and does not affect performance. This is not considered a defect.


  • No Returns on Modified Parts: We cannot accept returns if the item has been modified, disassembled, or damaged due to improper installation.

We are a professional automotive parts supplier dedicated to providing high-quality replacement parts and remanufactured components. With years of experience in the industry, we specialize in Ignition Systems, Fuel Injection, and Engine Components.



  • Quality First: All our remanufactured parts (Distributors, Fuel Injectors) undergo rigorous testing (Flow Matching, Circuit Testing) before shipping.


  • Value for Money: We aim to provide OEM-level performance at an affordable price.


  • Customer Obsession: Your satisfaction is our top priority. We are here to keep your vehicle running smoothly!


We are here to help!



  • Check Fitment First: If you are not sure whether this part fits your car, please send us your VIN (Vehicle Identification Number) or your car's Make/Model/Year/Engine size before purchasing. We will check it for you within 24 hours.


  • Have an Issue? Please contact us via eBay Message BEFORE leaving neutral or negative feedback. We guarantee to solve any problem (Refund, Replace, or Technical Support) to your satisfaction.


  • Business Hours: We respond to all messages within 24 hours (Mon-Fri).

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