Four Seasons 3459N A/C Compressor Kit - Front and Rear

Four Seasons PAC-Kit w/ New Compressor

The Four Seasons 3459N is an A/C compressor kit for select GM trucks and SUVs with LTR4 compressor applications. It is built for front and rear HVAC systems on 1985-1991 Chevrolet and GMC models, including Blazer, Jimmy, and Suburban variants.

Key Features

• Four Seasons PAC-Kit w/ New Compressor for HVAC service
• Fits front and rear A/C applications on select Chevrolet and GMC vehicles
• Application-specific for LTR4 compressor setups
• Configured for vehicles with either a 12 o'clock coil or a 5" diameter pulley, depending on model year
• Part number 3459N for catalog and fitment lookup

Fitment Details

• Fits 1989-1991 Chevrolet Blazer, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1989-1991 Chevrolet R1500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1989-1991 Chevrolet R2500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1989-1991 Chevrolet V1500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1989-1991 Chevrolet V2500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1987-1988 Chevrolet Blazer, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1987-1988 Chevrolet R10 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1987-1988 Chevrolet R20 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1987-1988 Chevrolet V10 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1987-1988 Chevrolet V20 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985-1986 Chevrolet C10 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985-1986 Chevrolet C20 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985-1986 Chevrolet K10 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985-1986 Chevrolet K20 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985-1986 Chevrolet K5 Blazer, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1989-1991 GMC Jimmy, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1989-1991 GMC R1500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1989-1991 GMC R2500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1989-1991 GMC V1500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1989-1991 GMC V2500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 5" dia. pulley.
• Fits 1987-1988 GMC Jimmy, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1987-1988 GMC R1500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1987-1988 GMC R2500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1987-1988 GMC V1500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1987-1988 GMC V2500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985 GMC Jimmy, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985 GMC C1500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985 GMC C2500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985 GMC K1500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.
• Fits 1985 GMC K2500 Suburban, front and rear, w/ LTR4 compressor; compressor w/ 12 o'clock coil.

Common A/C Problems This Kit Addresses

• Failed or noisy A/C compressor on a Chevrolet Blazer or GMC Jimmy
• Poor cooling performance in older Chevrolet Suburban and GMC Suburban HVAC systems
• Compressor replacement needs on LTR4-equipped front and rear air conditioning setups
• System service after contamination, restriction, or internal compressor wear
• Fitment-specific repair for 1985-1991 GM truck and SUV A/C systems

Installation Notes and Tips

Verify the compressor style before ordering: some applications use a 12 o'clock coil, while others use a 5" diameter pulley. Match the vehicle year, make, model, and HVAC configuration exactly to the fitment list for proper installation on your Chevrolet Blazer, GMC Jimmy, or Suburban application. For best results, follow standard A/C service procedures, including system evacuation, flushing where required, and correct oil handling during compressor replacement.

Quality Assurance

Four Seasons 3459N is cataloged as a PAC-Kit with a new compressor for specific OE-style GM applications. The part number 3459N helps confirm the correct compressor kit for the listed Chevrolet and GMC vehicles.