1991 GMC CK Pickup Emission Control Parts
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WVE®EGR ValveGMC CK Pickup 1991, EGR Valve 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 emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$57.92 - $76.94 - Dorman®OE Solutions™ Vapor CanisterGMC CK Pickup 1991, OE Solutions™ Vapor Canister by Dorman®. This vapor canister has been made to match the original equipment evap canister on certain vehicle years, makes and models, properly restoring emissions controls. Designed...Direct replacement - this evaporative emissions charcoal canister matches the function and performance of the original canister on specified vehiclesRestores performance - properly repairs issues with emissions controls to clear check engine light and pass inspection$100.32
- Standard®PCV ValveGMC CK Pickup 1991, 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 all...Made with precision and quality in mindDesigned to meet your specific needs$3.77 - $49.66
- ACDelco®GM Original Equipment™ PCV ValveGMC CK Pickup 5.0L / 5.7L / 7.4L 1991, GM Original Equipment™ PCV Valve by ACDelco®. Straight Fitting High Flow 5.2 Cfm. 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$13.60Save: $1.77 (13%)$11.83
- Standard®Vapor CanisterGMC CK Pickup 1991, 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 integrity to...Featuring industrial grade materials for robust performanceEnd of the line testing ensures quality in every box$116.21
- Walker Products®Oxygen SensorGMC CK Pickup 1991, Oxygen Sensor by Walker Products®. Position: Upstream. 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...High quality at an affordable priceExpertly made from premium materials$21.30
- Bosch®Premium Narrow-band Oxygen SensorGMC CK Pickup 4.3L / 5.0L / 5.7L / 7.4L 1991, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your...OE Identical ConnectorCompact Design$25.89
- ACDelco®Genuine GM Parts™ Oxygen SensorGMC CK Pickup 4.3L / 5.0L / 5.7L / 7.4L without Leaded Fuel Emission Export 1991, Genuine GM Parts™ Oxygen Sensor by ACDelco®. Position: Upstream. Location: In Exhaust Manifold/Crossover. If your O2 sensor is not functioning properly,...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$26.52Save: $3.95 (15%)$22.57
- Walker Products®Premium Oxygen SensorGMC CK Pickup 1991, Premium Oxygen Sensor by Walker Products®. Position: Upstream. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test...Improved Engine Response & PerformanceLower Emissions$21.30
- NTK®Oxygen SensorGMC CK Pickup 4.3L / 5.0L / 5.7L / 7.4L 1991, Oxygen Sensor by NTK®. Position: Upstream. Location: B1S1. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$18.04
- DIY Solutions®EGR ValveGMC C1500 / C2500 / K1500 / K2500 5.0L / 5.7L 1991, EGR Valve by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$73.39
- Bosch®Narrow-band Oxygen SensorGMC CK Pickup 4.3L / 5.0L / 5.7L / 7.4L 1991, Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the...OE-EquivalentOE Style connectors and wire lengths$21.55
- ACDelco®Gold™ PCV ValveGMC C1500 / C2500 / C3500 / K1500 / K2500 / K3500 /... 6.2L 1991, Gold™ PCV Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$79.79Save: $11.96 (15%)$67.83
- Dorman®OE Solutions™ EGR ValveGMC CK Pickup 5.0L 1991, OE Solutions™ EGR Valve by Dorman®. This EGR valve is designed to match the fit and function of the original valve on specified vehicles. Made of quality materials, it is engineered for reliable performance...Direct replacement - this EGR valve is designed to match the fit and function of the original valve on specified vehiclesIdeal solution - this valve is engineered to withstand extreme heat and carbon buildup, and is a reliable replacement for a failed original EGR valve$41.01
- WVE®PCV ValveGMC CK Pickup 1991, PCV Valve 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 emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$3.42 - $203.99
- ACDelco®Genuine GM Parts™ EGR Valve KitGMC CK Pickup 1991, Genuine GM Parts™ EGR Valve Kit 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$70.84 - $95.90Save: 15%$60.21 - $81.41
- Standard®EGR ValveGMC CK Pickup 1991, EGR 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 all...Polyester-reinforced silicone diaphragm resists thermal aging in temperatures up to 200°CInjection-molded high-temperature polymer prevents temperature-releated failures$41.99 - $61.75
- Delphi®Back Pressure EGR ValveGMC C1500 / C2500 / K1500 / K2500 5.0L / 5.7L 1991, Back Pressure EGR Valve by Delphi®. Delphi exhaust gas recirculation (EGR) valves are a 100 percent OE line, providing an exact fit without the need for orifice washers or clocking for...Increases fuel efficiency while eliminating the potential for malfunctionsGaskets included$72.18
- Delphi®Oxygen SensorGMC CK Pickup 1991, Oxygen Sensor by Delphi®. Position: Upstream. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$18.92
- WVE®Vapor CanisterGMC CK Pickup 1991, Vapor Canister 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 emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$103.35
- Standard®Tru-Tech™ EGR ValveGMC C1500 / C2500 / K1500 / K2500 5.0L / 5.7L 1991, Tru-Tech™ EGR Valve by Standard®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Injection-molded high-temperature polymer prevents temperature-releated failuresDirect-fit OE replacement with expected lifespan of more than 16 million cycles$59.05
- Dorman®OE Solutions™ Vapor Canister Vent ValveGMC CK Pickup 1991, OE Solutions™ Vapor Canister Vent Valve by Dorman®. A malfunctioning vapor canister vent can cause the engine light to come on. This replacement valve is engineered of quality materials for durability to ensure...Direct replacement - this vapor canister vent valve fits and functions like the original partQuality construction - manufactured from premium materials for a long service life$25.64
- Standard®EGR Valve Control SolenoidGMC CK Pickup 1991, EGR Valve Control Solenoid 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...Made with precision and quality in mindDesigned to meet your specific needs$28.34 - $126.04
- Standard®Vapor Canister Purge ValveGMC CK Pickup 1991, 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 highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$48.71
- WIX®PCV Breather ElementGMC CK Pickup 1991, PCV Breather Element by WIX®. Wix Breather Filters remove chemical contaminants and particulate matter from the crankcase. They are made of pleated paper and connected to the breather tube. These filters also trap...Low air flow restrictionIncludes a pleated paper filter$5.98
- ACDelco®Genuine GM Parts™ EGR Valve Control SolenoidGMC CK Pickup 1991, Genuine GM Parts™ EGR Valve Control Solenoid 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$54.34Save: 12%$47.99
- WVE®EGR Valve Control SolenoidGMC CK Pickup 1991, EGR Valve Control 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$24.34 - $111.15
- ACDelco®Gold™ Secondary Air Injection Pump Check ValveGMC CK Pickup 1991, Gold™ Secondary Air Injection Pump Check Valve by ACDelco®. Hose Nipple One End. 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$26.27Save: $3.94 (15%)$22.33
- Standard®Secondary Air Injection PipeGMC CK Pickup 1991, Secondary Air Injection Pipe 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...Made with precision and quality in mindDesigned to meet your specific needs$39.76 - $146.21
- ACDelco®Gold™ Vapor Canister Purge ValveGMC CK Pickup 1991, Gold™ Vapor Canister Purge 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$41.49Save: $6.22 (15%)$35.27
Shop By Service Type
- EGR Valve Replacement
- Air Pump Check and Diverter Valve Replacement
- Oxygen Sensor Replacement
- Air Pump Check Valve Replacement
- Evaporation Vent Solenoid Replacement
- EGR Valve Control Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- Crankcase Vent Filter Replacement
- Secondary Air Injection Hose Replacement
- Fuel Evaporative Canister Replacement
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1991 GMC CK Pickup Models
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