36 products about 1991 GMC K1500 Emission Control foundVEHICLE SPECIFIC Product Specifications Notes: All Models Item Dimensions: 2.9 x 1.2 x 0.8 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 25036979, 12146312 Part Description: 1991 GMC K1500 Fan Switch More Info Vehicle Fitment 1991 GMC K1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL $26.34 MSRP: $49.72
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Except Diesel; W/Diesel Item Dimensions: 3.1 x 3.2 x 3.1 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 16137039, 16254719 Part Description: 1991 GMC K1500 Manifold Absolute Pressure Sensor Sensor More Info Vehicle Fitment 1991 GMC K1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL $63.30 MSRP: $119.49
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Filter Element Material: Charcoal Finish: Black Hose Inside Diameter: 0.405" Housing Material: Plastic Length: 8" Port Quantity: 3 Ports Outside Diameter: 0.405"; 0.268"; 0.271" UPC: 885484590946 Part Description: 1991 GMC K1500 OE Solutions Vapor Canister More Info Vehicle Fitment 1991 GMC K1500 | All Trims | 6 Cyl 4.3L 1991 GMC K1500 | All Trims | 8 Cyl 5.0L 1991 GMC K1500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications EGR Valve Type: Back Pressure Gasket or Seal Included: Yes UPC: 689604121610 Part Description: 1991 GMC K1500 Back Pressure Egr Valve More Info Vehicle Fitment 1991 GMC K1500 | All Trims | 8 Cyl 5.7L 1991 GMC K1500 | All Trims | 8 Cyl 5.0L VEHICLE SPECIFIC Product Specifications Height: 1.88'' (47.63 mm) Inner Diameter Top: Closed Length: 3.950" Media Type: Synthetic UPC: 765809429956 Part Description: 1991 GMC K1500 Pcv Breather Element More Info Vehicle Fitment 1991 GMC K1500 | All Trims | 6 Cyl 4.3L 1991 GMC K1500 | All Trims | 8 Cyl 5.0L 1991 GMC K1500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Notes: All Models Other Names: EGR Valve Gasket, Gasket, Valve Gasket Item Dimensions: 3.8 x 2.8 x 1.4 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 10129595 Part Description: 1991 GMC K1500 EGR Valve Gasket More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL $3.15 MSRP: $5.68
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Stamped WWN Belt Type: Serpentine Color: Black Diameter: 5.69'' (144.53 mm) Grooves: 6 Groove Material: Steel OE Part Number: 10045702 UPC: 019495080367 Width: 1.28'' (32.51 mm) Part Description: 1991 GMC K1500 OE Solutions Secondary Air Injection Pump Pulley More Info Vehicle Fitment 1991 GMC K1500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Inner Diameter Top: Closed Media Type: Foam Outer Diameter Bottom: 4.500'' (114.3 mm) Outer Diameter Top: 4.5'' (114.3 mm) UPC: 765809429987 Part Description: 1991 GMC K1500 Pcv Breather Element More Info Vehicle Fitment 1991 GMC K1500 | All Trims | 6 Cyl 4.3L 1991 GMC K1500 | All Trims | 8 Cyl 5.0L 1991 GMC K1500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Notes: All Models; 5.0L;All Models; 5.7L Other Names: EGR Valve Item Dimensions: 5.8 x 4.8 x 4.0 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Replaces: 17111850, 17111851, 17113371 Part Description: 1991 GMC K1500 EGR Valve More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | $91.63 MSRP: $172.90
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 5.0L;All Models; 5.7L Other Names: EGR Valve Item Dimensions: 5.8 x 4.8 x 4.0 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Replaces: 17111850, 17111851, 17113371 Part Description: 1991 GMC K1500 EGR Valve More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | $91.63 MSRP: $172.90
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 5.0L, 5.7L, 7.4L Other Names: PCV Valve Item Dimensions: 13.4 x 3.1 x 1.5 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 PCV Valve More Info Vehicle Fitment 1991 GMC K1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS $9.76 MSRP: $17.64
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 5.0L, 5.7L, 7.4L Other Names: PCV Valve Item Dimensions: 13.4 x 3.1 x 1.5 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 PCV Valve More Info Vehicle Fitment 1991 GMC K1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS $9.76 MSRP: $17.64
You Save: $7.88 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 5.0L, 5.7L, 7.4L Other Names: PCV Valve Item Dimensions: 13.4 x 3.1 x 1.5 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 PCV Valve More Info Vehicle Fitment 1991 GMC K1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS $9.76 MSRP: $17.64
You Save: $7.88 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 6.2L Diesel Other Names: PCV Valve Item Dimensions: 5.9 x 5.4 x 5.6 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 PCV Valve More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SLE, Sierra SLX, Sierra Sport | 8 Cyl 6.2 L DIESEL $84.53 MSRP: $153.02
You Save: $68.49 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 6.2L Diesel Other Names: PCV Valve Item Dimensions: 5.9 x 5.4 x 5.6 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 PCV Valve More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SLE, Sierra SLX, Sierra Sport | 8 Cyl 6.2 L DIESEL $84.53 MSRP: $153.02
You Save: $68.49 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 6.2L Diesel Other Names: PCV Valve Item Dimensions: 5.9 x 5.4 x 5.6 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 PCV Valve More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SLE, Sierra SLX, Sierra Sport | 8 Cyl 6.2 L DIESEL $84.53 MSRP: $153.02
You Save: $68.49 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 4.3L Other Names: EGR Valve Item Dimensions: 5.6 x 4.8 x 4.0 inches Item Weight: 1.40 Pounds Fitment Type: Direct Replacement Replaces: 17113370, 17111843 Part Description: 1991 GMC K1500 EGR Valve More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | $88.62 MSRP: $167.19
You Save: $78.57 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 4.3L Other Names: EGR Valve Item Dimensions: 5.6 x 4.8 x 4.0 inches Item Weight: 1.40 Pounds Fitment Type: Direct Replacement Replaces: 17113370, 17111843 Part Description: 1991 GMC K1500 EGR Valve More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | $88.62 MSRP: $167.19
You Save: $78.57 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 4.3L Other Names: PCV Valve Item Dimensions: 13.4 x 3.1 x 1.4 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Valve, Pcv More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS $12.61
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 4.3L Other Names: PCV Valve Item Dimensions: 13.4 x 3.1 x 1.4 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Valve, Pcv More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS $12.61
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 4.3L Other Names: PCV Valve Item Dimensions: 13.4 x 3.1 x 1.4 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Valve, Pcv More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS $12.61
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 5.0L, 5.7L Other Names: Solenoid Item Dimensions: 3.1 x 3.1 x 3.0 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Solenoid More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS VEHICLE SPECIFIC Product Specifications Digital/Mechanical: Mechanical Gasket or Seal Included: Yes Mounting Hardware Included: No Mounting Type: Bolt Mount Notes: Complete Assembly UPC: 841266083969 Vacuum Port Quantity: 1 Part Description: 1991 GMC K1500 EGR Valve More Info Vehicle Fitment 1991 GMC K1500 | All Trims | 8 Cyl 5.7L 1991 GMC K1500 | All Trims | 8 Cyl 5.0L VEHICLE SPECIFIC Product Specifications Notes: Except Diesel, 4.3, 5.0 & 5.7 Liter Other Names: Air Injection Reactor Pump Item Dimensions: 6.6 x 6.4 x 7.4 inches Item Weight: 6.50 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Pump Asm-Air Injection More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SLE, Sierra SLX, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS VEHICLE SPECIFIC Product Specifications Notes: Except Diesel, 4.3, 5.0 & 5.7 Liter Other Names: Air Injection Reactor Pump Item Dimensions: 6.6 x 6.4 x 7.4 inches Item Weight: 6.50 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Pump Asm-Air Injection More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SLE, Sierra SLX, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS VEHICLE SPECIFIC Product Specifications Notes: All Models; 4.3L, 5.7L & 7.4L Other Names: By-Pass Valve, Diverter Valve Item Dimensions: 6.3 x 4.8 x 3.9 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Valve Asm-Air Injection Control More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SLE, Sierra SLX, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS VEHICLE SPECIFIC Product Specifications Notes: W/Diesel Other Names: EGR Valve Item Dimensions: 6.4 x 4.6 x 4.5 inches Item Weight: 2.20 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Valve Asm-EGR More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL VEHICLE SPECIFIC Product Specifications Notes: W/Diesel Other Names: EGR Valve Item Dimensions: 6.4 x 4.6 x 4.5 inches Item Weight: 2.20 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Valve Asm-EGR More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL VEHICLE SPECIFIC Product Specifications Notes: Except Diesel; All Models Other Names: Vapor Canister Item Dimensions: 9.3 x 6.4 x 5.2 inches Item Weight: 2.20 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Canister Asm-Fuel Vapor More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL VEHICLE SPECIFIC Product Specifications Notes: Except Diesel; All Models Other Names: Vapor Canister Item Dimensions: 9.3 x 6.4 x 5.2 inches Item Weight: 2.20 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K1500 Canister Asm-Fuel Vapor More Info Vehicle Fitment 1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL