Skip to product information
Important: Verify connector shape and pins match your original part.
Upstream NOx Nitrogen Oxide Sensor
Fits Chevy Colorado & GMC Canyon 2.8L (2016-2019)
Replaces OE: 55500841, 55495040
Resolves Symptoms
- Check Engine Light (SCR/DEF)
- DEF / AdBlue Warning Msg
- Engine Limp Mode Warning
- DPF Regen Refusal
Estimated Delivery
Free
Ordered
Oct 30
Prepared
Oct 30-Oct 31
Delivered
Nov 13-Nov 21
Requires overseas shipment. Upgrade to expedited shipping at checkout if urgent.
2-Year Warranty
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: Brand-new replacement for free if quality issues occur.
30-Day Return & Refund
📦 Free Returns: Zero costs to you if the product has quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
5-Step Fitment Guide
- Check OE: Find original part no. & plug.
- Compare Photos: Match plug with our images.
- Verify YMM: Confirm via fitment tool.
- Review Specs: Check pins & dimensions.
- Purchase: Buy confidently once matched!
Review Rewards
Share an install photo & review to unlock:
- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
*Email screenshot of your review to support to claim.
Check if your car is compatible
This helps guarantee fitment of parts.
⏳ Loading fitment data...
$126.95
-
No hidden fees: What you see is what you pay.
-
Restore performance: Fix issues and drive with confidence.
Check Engine Light? Find Your Symptoms
🌬️ O2 & A/F Sensors
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
⛽ Fuel & Air Mixture
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
♻️ Catalytic Converters
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
⚡ Ignition / Misfires
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
Note
|
|---|---|---|---|---|
|
2016-2019
|
Chevrolet
|
Colorado
|
2.8L L4
|
171Cu. In., DIESEL, DOHC, Turbocharged
|
|
2016-2019
|
GMC
|
Canyon
|
2.8L L4
|
171Cu. In., DIESEL, DOHC, Turbocharged
|
Product Specifications
Warranty & Support: 2 Years + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
55500841
Interchange: 55496922, 55495040 |
|
Position
|
Exhaust System, Upstream, Pre-SCR / Bank 1 Sensor 1 (NOx Stage)
|
|
Key Parameters
|
- Sensor Type: NOx (Nitrogen Oxide) Sensor
- Function: Measures NOx concentration upstream of SCR catalyst - Wire Quantity: 8 Wires - Pin Count: 6 Pins - Connector Color: Black Plug |
Package Included:1pcs 55500841 Upstream Nox Sensor