154 products about 1991 GMC K2500 A/C & Heating 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 K2500 Fan Switch More Info Vehicle Fitment 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 6 Cyl 4.8 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, 8 Cyl 7.4 L GAS $26.34 MSRP: $49.72
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Heater Core Item Dimensions: 20.8 x 16.4 x 8.8 inches Item Weight: 4.70 Pounds Fitment Type: Direct Replacement Replaces: 52467018 Part Description: 1991 GMC K2500 Heater Core More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $103.28 MSRP: $194.88
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Compressor, Compressor Assembly Item Dimensions: 8.4 x 8.2 x 11.3 inches Item Weight: 16.30 Pounds Fitment Type: Direct Replacement Replaces: 1134307, 1134346, 1134319, 01134346 Part Description: 1991 GMC K2500 Compressor Assembly More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SLE, Sierra SLX | 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, 8 Cyl 7.4 L GAS $417.26 MSRP: $787.30
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Connector Quantity: 1 Connector Type: Male Fan Blade Material: Plastic Mount Type: Brushed OE Part Number: 15717423, GM3113114 Package Contents: Condenser Fan Assembly Package Quantity: 1 Packaging Type: Box Shroud Included: Yes Shroud Material: Plastic Terminal Quantity: 2 UPC: 019495242925 Part Description: 1991 GMC K2500 A C Condenser Fan Assembly More Info Vehicle Fitment 1991 GMC K2500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: Cut to Length, 4" Centerline Length: 15240 mm End 1 Inside Diameter: 1 in End 2 Inside Diameter: 1 in Material: EPDM OE Part Number: 8991 UPC: 072053066333 Weight Per Length: 18.60 lbs./Carton Working Pressure: 45 PSI Part Description: 1991 GMC K2500 Engine Coolant Molded Bypass Hose More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC Product Specifications Notes: All Models; All Other Names: Blower Motor Item Dimensions: 7.8 x 7.9 x 7.9 inches Item Weight: 4.10 Pounds Fitment Type: Direct Replacement Replaces: 52460703, 22120540, 52466047 Part Description: 1991 GMC K2500 Blower Motor More Info Vehicle Fitment 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 6 Cyl 4.8 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, 8 Cyl 7.4 L GAS $83.89 MSRP: $158.30
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: w/ LTR4 Compressor; Reman w/ Clutch Belt Width IN: 0.500 Clutch Included: Yes Clutch Maximum Diameter: 5.125 Coil Clock Position: 12 Coil Voltage: 12 Compatible Refrigerant Oil Type: PAG 150 Compressor Type: R4 Lightweight Distance From Clutch To Mounting Flange: 1.500 Mounting Hardware: Not Included Mounting Type: Case Mount New or Reman: Remanufactured O-Ring A Number/Desc: [24615] / Green O-Ring O-Ring A Quantity: 2 O-Ring B Number/Desc: Not Required O-Ring B Quantity: NR Pulley Belt Type: V-Belt Pulley Diameter MM: 130.048 Pulley Groove Quantity: 1 Pulley Lip Diameter: 5.125 Pulley Outside Diameter: 5.125 Pulley Ridge Diameter: 5.125 Refrigerant Type: R134a Reman w/o Clutch: [57233] / [57230] Suction Port Type: O-Ring / Sealing Washer Switch Included: High Pressure Terminal Type: Spade UPC: 096361572409 Part Description: 1991 GMC K2500 Remanufactured A C Compressor With Clutch More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: All Models Item Dimensions: 2.5 x 1.4 x 0.4 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K2500 Pressure Vent More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $47.61 MSRP: $89.83
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models Item Dimensions: 2.5 x 1.4 x 0.4 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K2500 Pressure Vent More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $47.61 MSRP: $89.83
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models Item Dimensions: 2.5 x 1.4 x 0.4 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K2500 Pressure Vent More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $47.61 MSRP: $89.83
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Cut to Length, 4";Cut to Length, 24" Centerline Length: 50 ft End 1 Inside Diameter: 19 mm End 2 Inside Diameter: 19 mm Material: EPDM OE Part Number: 49693 UPC: 072053066326 Weight Per Length: 13.20 lbs./Carton Working Pressure: 50 PSI Part Description: 1991 GMC K2500 Safety Stripe Hvac Heater Hose More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Branch Quantity: 2 Color/Finish: Natural/No Finish Contains Spring: No Coolant Hose Heat Shield Included: No Heat Shield Required Coolant Hose Length: 12" Coolant Hose Material: Aluminum and Rubber Coolant Hose Protective Sleeve Included: Not Required Coolant Hose Type: Single I.D. (Inside Diameter) End 1 Attachment Type: Straight End 2 Attachment Type: Hose Grade Type: Regular Hose End (1) Inside Diameter (In): 0.44" Hose End (1) Outside Diameter (In): 0.62" Hose End (2) Inside Diameter (In): 0.75" Hose End (2) Outside Diameter (In): 1.03" Hose Shape: Molded Assembly Maximum Working Pressure (psi): 100 PSI OE Part Number: 15961522 Thermostatically Controlled: No UPC: 885484663404 With Clamps: No Part Description: 1991 GMC K2500 Hvac Heater Hose Assembly More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 6 Cyl 4.3L 1991 GMC K2500 | All Trims | 8 Cyl 5.0L 1991 GMC K2500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Notes: w/R4 Compressor; Reman w/Clutch; 9 O'Clk Coil; w/5.12" Dia Pulley; w/Single Groove Pulley Belt Width IN: 0.500 Clutch Included: Yes Clutch Maximum Diameter: 5.125 Coil Clock Position: 9 Coil Voltage: 12 Compatible Refrigerant Oil Type: PAG 150 Compressor Type: R4 Lightweight Distance From Clutch To Mounting Flange: 1.500 Mounting Hardware: Not Included Mounting Type: Case Mount New or Reman: Remanufactured O-Ring A Number/Desc: [24615] / Green O-Ring O-Ring A Quantity: 2 O-Ring B Number/Desc: Not Required O-Ring B Quantity: NR Pulley Belt Type: V-Belt Pulley Diameter MM: 130.048 Pulley Groove Quantity: 1 Pulley Lip Diameter: 5.125 Pulley Outside Diameter: 5.125 Pulley Ridge Diameter: 5.125 Refrigerant Type: R134a Reman w/o Clutch: [57233] / Reman Compressor; [57230] / Reman Compressor Suction Port Type: O-Ring / Sealing Washer Switch Included: High Pressure Terminal Type: Spade UPC: 096361572355 Part Description: 1991 GMC K2500 Remanufactured A C Compressor With Clutch More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Heater Inlet; 5/8" to 1/2"; Packaging Type: Box; Pkg Quantity: 5 Fitting Angle: Straight Fitting Attachment End Type 1: Quick Disconnect Fitting Attachment End Type 2: Male Thread Fitting Size End 1 (in): 0.625 In. Fitting Size End 2 (in): 0.5 In. Material: Steel Package Contents: 5 Heater Hose Connectors Quick Connect System: Yes UPC: 019495034742 Part Description: 1991 GMC K2500 Heater Hose Connector More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 6 Cyl 4.3L 1991 GMC K2500 | All Trims | 8 Cyl 5.0L 1991 GMC K2500 | All Trims | 8 Cyl 5.7L 1991 GMC K2500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC Product Specifications Notes: Cut to Length, 60";Cut to Length, 46";Exc. Chassis Cab; Cut to Length, 60" Centerline Length: 50 ft End 1 Inside Diameter: .625 in End 2 Inside Diameter: .625 in Material: EPDM OE Part Number: 8990 UPC: 072053066319 Weight Per Length: 11.70 lbs./Carton Working Pressure: 60 PSI Part Description: 1991 GMC K2500 Safety Stripe Hvac Heater Hose More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 6 Cyl 4.3L 1991 GMC K2500 | All Trims | 8 Cyl 5.0L 1991 GMC K2500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Notes: w/ LTR4 Compressor; Reman w/ Clutch; w/o Inertia Ring;w/ LTR4 Compressor; Reman w/ Clutch Clutch Included: Yes Clutch Maximum Diameter: 4.250 Coil Clock Position: 12 Coil Type: Spade Coil Voltage: 12 Compatible Refrigerant Oil Type: PAG 150 Compressor Type: R4 Lightweight Distance From Clutch To Mounting Flange: 0.859375 Mounting Hardware: Not Included Mounting Type: Case Mount New or Reman: Remanufactured O-Ring A Number/Desc: [24615] / Green O-Ring O-Ring A Quantity: 2 O-Ring B Number/Desc: Not Required O-Ring B Quantity: NR Pulley Belt Type: Serpentine Pulley Diameter MM: 107.950 Pulley Groove Quantity: 6 Pulley Lip Diameter: 4.250 Pulley Outside Diameter: 4.250 Pulley Ridge Diameter: 4.250 Refrigerant Type: R134a Reman w/o Clutch: [57233] / Reman Compressor; [57230] / Reman Compressor Suction Port Type: O-Ring / Sealing Washer Switch Included: High Pressure Terminal Type: Spade UPC: 096361572379 Part Description: 1991 GMC K2500 Remanufactured A C Compressor With Clutch More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 6 Cyl 4.3L 1991 GMC K2500 | All Trims | 8 Cyl 5.0L 1991 GMC K2500 | All Trims | 8 Cyl 6.2L 1991 GMC K2500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC Product Specifications Notes: Cut to fit Centerline Length (in): 36" Inside Diameter 1 (in): 0.62" Inside Diameter 2 (in): 0.75" Number of Branches: 0 UPC: 072053178210 Part Description: 1991 GMC K2500 Hvac Heater Molded Hose More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC Product Specifications Notes: To Evaporator Item Dimensions: 3.0 x 2.3 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K2500 Line O-Ring More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $1.21 MSRP: $2.18
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Inner Diameter: 0.7500 in Length: 0.5000 in Outer Diameter: 1.0000 in UPC: 085311071758 Width: 0.5000 in Part Description: 1991 GMC K2500 A C Compressor Bearing More Info Vehicle Fitment 1991 GMC K2500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: w/LTR4 Compressor;w/LTR4 Compressor; Compressor w/Serpentine;w/LTR4 Compressor; w/o Inertia Ring;w/ LTR4 Compressor; w/o Inertia Ring; Includes: 58937 (New Compressor), 33150 (Accum), 38638 (Orifice), 59003 (Oil), O-Rings;w/ LTR4 Compressor; Includes: 58937 (New Compressor), 33150 (Accum), 38638 (Orifice), 59003 (Oil), O-Rings Components Included: New Compressor, Accumulator, Orifice Tube, Oil, and O-Rings UPC: 096361075764 Part Description: 1991 GMC K2500 A C Compressor Kit More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 6 Cyl 4.3L 1991 GMC K2500 | All Trims | 8 Cyl 5.0L 1991 GMC K2500 | All Trims | 8 Cyl 5.7L 1991 GMC K2500 | All Trims | 8 Cyl 6.2L 1991 GMC K2500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC Product Specifications UPC: 671607189131 Part Description: 1991 GMC K2500 A/C Accumulator Vehicle Fitment 1991 GMC K2500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: w/Harrison HR-6HE AC Compressor;w/Harrison R-4 AC Compressor Bore (in): 1.574 Bore (mm): 39.987 Design: Double Row Angular Contact Inner Race Radius (in): 0.040 Inner Race Radius (mm): 1.016 Outside Diameter (In): 2.441 Outside Diameter (mm): 62.004 Series: SPECIAL Type: D-3 Width (in): 0.812 Width (mm): 20.625 Part Description: 1991 GMC K2500 A/C Compressor Bearing More Info Vehicle Fitment 1991 GMC K2500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: Cut to fit Angle: 90 Arm Length 1 (in): 4" Arm Length 2 (in): 36" Centerline Length (in): 40" Inside Diameter 1 (in): 0.625" OE Part Number: 9015 UPC: 072053062052 Part Description: 1991 GMC K2500 90 Degree Engine Heater Molded Bypass Hose More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 8 Cyl 6.2L 1991 GMC K2500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: Lower Item Dimensions: 8.2 x 16.3 x 10.6 inches Item Weight: 1.30 Pounds Fitment Type: Direct Replacement Replaces: 3090889, 03090889 Part Description: 1991 GMC K2500 Evaporator Case More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $44.90 MSRP: $81.28
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: w/R4 Compressor; New w/Clutch; 9 O'Clk Coil; w/5.12" Dia Pulley; w/Single Groove Pulley Clutch Included: Yes Clutch Maximum Diameter: 5.125 Coil Clock Position: 9 Coil Voltage: 12 Compatible Refrigerant Oil Type: PAG 150 Compressor Type: R4 Lightweight Distance From Clutch To Mounting Flange: 1.500 Mounting Hardware: Not Included Mounting Type: Case Mount New or Reman: New O-Ring A Number/Desc: [24359] / Short Sealing Washer Pilot O-Ring A Quantity: 1 O-Ring B Number/Desc: [24360] / Long Sealing Washer Pilot O-Ring B Quantity: 1 O-Ring C Number/Desc: [24356] / Red Sealing Washer O-Ring C Quantity: 2 O-Ring D Number/Desc: [24357] / Green Sealing Washer O-Ring D Quantity: 1 Pulley Belt Type: V-Belt Pulley Groove Quantity: 1 Pulley Lip Diameter: 5.125 Pulley Outside Diameter: 5.125 Pulley Ridge Diameter: 5.125 Refrigerant Type: R134a Reman w/o Clutch: [57233] / [57230] Suction Port Type: O-Ring / Sealing Washer Switch Included: High Pressure Terminal Type: Spade UPC: 096361582354 Part Description: 1991 GMC K2500 A C Compressor With Clutch More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: wo/AC Gasket or Seal Included: No Mounting Hardware Included: No OE Part Number: 15551633 Package Contents: Blower Motor Resistor, Harness and Instructions Package Quantity: 1 Packaging Type: Box Terminal Type: Blade UPC: 019495907923 Part Description: 1991 GMC K2500 Hvac Blower Motor Resistor Kit More Info Vehicle Fitment 1991 GMC K2500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: All Models Other Names: Blower Motor Switch Item Dimensions: 3.2 x 2.2 x 2.0 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K2500 Blower Motor Switch More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $16.83 MSRP: $31.73
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models Other Names: Blower Motor Switch Item Dimensions: 3.2 x 2.2 x 2.0 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K2500 Blower Motor Switch More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $16.83 MSRP: $31.73
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models Other Names: Blower Motor Switch Item Dimensions: 3.2 x 2.2 x 2.0 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K2500 Blower Motor Switch More Info Vehicle Fitment 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 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, 8 Cyl 7.4 L GAS $16.83 MSRP: $31.73
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Exc. Chassis Cab Centerline Length (in): 15.2" Inside Diameter 1 (in): 0.72" Number of Branches: 0 UPC: 072053179699 Part Description: 1991 GMC K2500 Hvac Heater Molded Hose More Info Vehicle Fitment 1991 GMC K2500 | All Trims | 6 Cyl 4.3L 1991 GMC K2500 | All Trims | 8 Cyl 5.0L 1991 GMC K2500 | All Trims | 8 Cyl 5.7L Show More