2021 GMC Sierra 1500 Emission Control Parts
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TRQ®Upstream O2 Oxygen SensorGMC Sierra 1500 2.7L 2021, Upstream O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$64.94$66.95Save $2.01 (3%) - Standard®PCV ValveGMC Sierra 1500 2.7L 2021, PCV Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to...Made with precision and quality in mindDesigned to meet your specific needs$25.39
- Standard®Vapor CanisterGMC Sierra 1500 2.7L 2021, Vapor Canister by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Featuring industrial grade materials for robust performanceEnd of the line testing ensures quality in every box$170.19 - $246.49
- Walker Products®Oxygen SensorGMC Sierra 1500 2021, Oxygen Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$34.57 - $111.33
- ACDelco®Genuine GM Parts™ Oxygen SensorGMC Sierra 1500 2021, Genuine GM Parts™ Oxygen Sensor by ACDelco®. If your O2 sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s GM OE Oxygen Sensor...ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsDetects oxygen content in the exhaust gases$35.89 - $48.31
- Walker Products®Premium Oxygen SensorGMC Sierra 1500 2021, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The...Improved Engine Response & PerformanceLower Emissions$58.49 - $73.58
- ACDelco®Genuine GM Parts™ EGR ValveGMC Sierra 1500 3.0L 2021, Genuine GM Parts™ EGR Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$75.38
- Walker Products®Wideband Premium Oxygen SensorGMC Sierra 1500 2021, Wideband Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test...High quality at an affordable priceExpertly made from premium materials$44.39 - $111.33
- ACDelco®GM Genuine Parts™ Vapor Canister BoltGMC Sierra 1500 2021, GM Genuine Parts™ Vapor Canister Bolt by ACDelco®. GM Genuine Parts Bolt Retainers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE...Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors$6.09
- ACDelco®GM Original Equipment™ Diesel Exhaust Fluid Injector Feed LineGMC Sierra 1500 3.0L 2021, GM Original Equipment™ Diesel Exhaust Fluid Injector Feed Line by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$67.37 - $83.06
- ACDelco®GM Genuine Parts™ Engine Crankcase Extension PinGMC Sierra 1500 Double Cab / Crew Cab 2.7L 2021, GM Genuine Parts™ Engine Crankcase Extension Pin by ACDelco®. GM Genuine Parts Multi Purpose Pins are designed, engineered, and tested to rigorous standards, and are backed by General...Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors$7.98
- ACDelco®GM Original Equipment™ Nitrogen Oxide SensorGMC Sierra 1500 3.0L 2021, GM Original Equipment™ Nitrogen Oxide Sensor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.10 - $137.72
- WVE®Vapor Canister Purge SolenoidGMC Sierra 1500 2021, Vapor Canister Purge Solenoid by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$24.90 - $35.78
- Standard®Intermotor™ Vapor Canister Purge ValveGMC Sierra 1500 2.7L 2021, Intermotor™ Vapor Canister Purge Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...Made with precision and quality in mindDesigned to meet your specific needs$35.48
- ACDelco®GM Original Equipment™ Vapor Canister Vent SolenoidGMC Sierra 1500 2021, GM Original Equipment™ Vapor Canister Vent Solenoid by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.71
- Standard®Intermotor™ Vapor Canister Vent ValveGMC Sierra 1500 4.3L / 5.3L / 6.2L 2021, Intermotor™ Vapor Canister Vent Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...Made with precision and quality in mindDesigned to meet your specific needs$30.83
- ACDelco®GM Original Equipment™ Diesel Emissions Fluid Injection NozzleGMC Sierra 1500 Crew Cab 3.0L 2021, GM Original Equipment™ Diesel Emissions Fluid Injection Nozzle by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$123.83
- Standard®Exhaust Gas Temperature (EGT) SensorGMC Sierra 1500 3.0L 2021, Exhaust Gas Temperature (EGT) Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$40.38 - $40.97
- ACDelco®Genuine GM Parts™ EGR Cooler GasketGMC Sierra 1500 3.0L 2021, Genuine GM Parts™ EGR Cooler Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$0.61 - $4.22
- ACDelco®GM Original Equipment™ Vapor Canister Vent HoseGMC Sierra 1500 2021, GM Original Equipment™ Vapor Canister Vent Hose by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.89 - $57.23
- ACDelco®GM Original Equipment™ Diesel Emissions Fluid Filler PipeGMC Sierra 1500 Crew Cab 147.4" Wheelbase 3.0L 2021, GM Original Equipment™ Diesel Emissions Fluid Filler Pipe by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$66.51
- ACDelco®GM Original Equipment™ PCV Valve TubeGMC Sierra 1500 4.3L 2021, GM Original Equipment™ PCV Valve Tube by ACDelco®. Position: Foul Air. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$22.33
- ACDelco®GM Original Equipment™ EGR Cooler GasketGMC Sierra 1500 3.0L 2021, GM Original Equipment™ EGR Cooler Gasket by ACDelco®. Position: To Cooler. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.90 - $5.33
- Davico®Direct Fit Catalytic ConverterGMC Sierra 1500 2.7L 2021, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Position: Front. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 28". This direct-fit catalytic converter by Davico will be a...$559.17
- Eastern Catalytic®ECO GM Direct Fit Catalytic ConverterGMC Sierra 1500 4.3L / 5.3L with California Emission / Federal Emission 2021, ECO GM Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Center. With 4 O2 Sensor Ports. Catalytic Converter Overall...$583.94
- Big End Performance®PCV Breather CapPCV Breather Cap by Big End Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...$12.39 - $14.91
- Big End Performance®Clamp On PCV BreatherClamp On PCV Breather by Big End Performance®. This Big End Performance product is just the option for you in case you want to get the most out of your auto. It is made from first-rate materials to provide the highest level of quality....High quality at an affordable priceExpertly made from premium materials$16.27 - $18.98
- Granatelli Motor Sports®Valve Cover BreatherValve Cover Breather by Granatelli Motor Sports®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...Made with precision and quality in mindDesigned to meet your specific needs$15.96
- Granatelli Motor Sports®Valve Cover Breather InsertValve Cover Breather Insert by Granatelli Motor Sports®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet...Made with precision and quality in mindDesigned to meet your specific needs$50.69 - $67.83
- Dorman®OE Solutions™ Oxygen Sensor Bung Repair KitOE Solutions™ Oxygen Sensor Bung Repair Kit by Dorman®. Why replace an exhaust pipe because of a corroded, stripped or damaged oxygen sensor bung? Save the pipe and replace the bung with this weld-on replacement. Standard O2 sensor...Repair-friendly solution - this oxygen sensor bung allows replacement of a damaged fitting without replacing the entire exhaust componentUniversal fitment - designed to accommodate standard oxygen sensor threads$9.61 - $11.61
Shop By Service Type
- EGR Valve Replacement
- EGR Temperature Sensor Replacement
- Oxygen Sensor Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- Evaporation Vent Solenoid Replacement
- Canister Purge Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Fuel Evaporative Canister Replacement
