Four Seasons 6448R A/C Compressor Kit - Front and Rear
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Four Seasons
 PAC-Kit w/ Reman Compressor

Four Seasons 6448R A/C Compressor Kit - Front and Rear

Brand Four Seasons 6448R
Position Front and Rear
Product line PAC-Kit w/ Reman Compressor
Fits Chevrolet and GMC · 47 vehicles

Reman compressor kit. A complete A/C compressor kit for straightforward replacement.

PAC-Kit packaging simplifies sourcing the needed compressor components.

$420.03Free shipping
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Four Seasons 6448R PAC-Kit w/ Reman Compressor

The Four Seasons 6448R is an A/C compressor kit for select 1976-1977 Chevrolet and GMC trucks and SUVs with an A6 compressor system. This PAC-Kit w/ Reman Compressor supports front and rear HVAC applications for classic Chevrolet C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, K5 Blazer, and GMC Jimmy models.

Key Features

  • Four Seasons PAC-Kit w/ Reman Compressor for A/C service on older GM truck and SUV platforms
  • Fits front and rear HVAC configurations listed for 1976-1977 Chevrolet and GMC applications
  • Built for vehicles using an A6 compressor setup
  • Part number 6448R for accurate catalog matching
  • Includes application-specific notes for related A/C service components

Application Details

Compatible With 1976-1977 Chevrolet C10 Suburban, front and rear; 1976-1977 Chevrolet C20 Suburban, front and rear; 1976-1977 Chevrolet K10 Suburban, front and rear; 1976-1977 Chevrolet K20 Suburban, front and rear; 1976-1977 Chevrolet K5 Blazer, front and rear; and 1976-1977 GMC Jimmy, front and rear. The Four Seasons 6448R is listed for vehicles with an A6 compressor and is identified as a PAC-Kit w/ Reman Compressor.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

  • Replacing a worn or failed A/C compressor on classic Chevrolet and GMC HVAC systems
  • Restoring cooling performance in front and rear air conditioning setups
  • Addressing compressor noise, seizure, or loss of refrigerant circulation
  • Supporting repair work on vintage Suburban, Blazer, and Jimmy A/C systems
  • Matching the correct compressor application for A6-equipped vehicles

Installation Notes and Tips

Verify the vehicle’s compressor type before ordering, since this kit is specified for A6 compressor applications. Confirm the model year, make, and HVAC configuration against the fitment list, and inspect related A/C components during service to help ensure the repair matches the original system layout.

Quality Assurance

Four Seasons is a recognized name in automotive climate control parts, and the 6448R is cataloged for specific OE-style fitment on listed Chevrolet and GMC applications. Use the part number 6448R to confirm the correct compressor kit for your vehicle before installation.

Related reading

This part fits 47 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1977ChevroletC10 Suburban5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletC10 Suburban5.0LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletC10 Suburban4.1LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletC10 Suburban7.4LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletC20 Suburban6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletC20 Suburban5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletC20 Suburban5.0LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletC20 Suburban7.4LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletC20 Suburban4.8LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK10 Suburban6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK10 Suburban5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK10 Suburban5.0LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK10 Suburban4.1LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK20 Suburban6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK20 Suburban5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK20 Suburban5.0LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK20 Suburban4.8LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK5 Blazer6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK5 Blazer5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK5 Blazer5.0LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK5 Blazer4.1LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977ChevroletK5 Blazer7.4LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977GMCJimmy6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977GMCJimmy5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977GMCJimmy5.0LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1977GMCJimmy4.1LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletC10 Suburban5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletC10 Suburban4.1LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletC10 Suburban7.4LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletC20 Suburban6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletC20 Suburban5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletC20 Suburban7.4LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletC20 Suburban4.8LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK10 Suburban6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK10 Suburban5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK10 Suburban4.1LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK20 Suburban6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK20 Suburban5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK20 Suburban4.8LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK5 Blazer6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK5 Blazer5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK5 Blazer4.1LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976ChevroletK5 Blazer7.4LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976GMCJimmy6.6LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976GMCJimmy5.7LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976GMCJimmy4.1LL6Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor
1976GMCJimmy7.4LV8Front and Rearw/ A6 Compressor; 57089 (Reman Compressor), 33204 (Accum), 38623 (Orifice), 38683 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ Reman Compressor