Four Seasons
PAC-Kit w/ Reman Compressor

Four Seasons 3976R A/C Compressor Kit

Brand Four Seasons 3976R
Product line PAC-Kit w/ Reman Compressor
Fits Mercury · 6 vehicles

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

PAC-Kit packaging simplifies compressor service and installation.

$389.24Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $389.24
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Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons PAC-Kit w/ Reman Compressor 3976R

Four Seasons 3976R is a PAC-Kit with reman compressor for factory air systems on select 1975-1976 Mercury Marquis and Mercury Grand Marquis models. It is listed for vehicles using an A6 compressor with a 2 o'clock coil and includes the application-specific components noted for this setup.

Key Features

  • Four Seasons PAC-Kit w/ Reman Compressor for A/C service on select Mercury full-size cars
  • Fits 1976 Mercury Grand Marquis, N/A
  • Fits 1976 Mercury Marquis, N/A
  • Fits 1975 Mercury Grand Marquis, N/A
  • Fits 1975 Mercury Marquis, N/A
  • Application notes specify factory air, A6 compressor, and 2 o'clock coil configuration
  • Part number 3976R for catalog and service lookup

Detailed Description

This Four Seasons PAC-Kit w/ Reman Compressor is built for 1975-1976 Mercury Marquis and Mercury Grand Marquis vehicles equipped with factory air and an A6 compressor. The fitment notes call out the 2 o'clock coil configuration and the specific service application for these models, making 3976R a direct-reference choice for restoring A/C compressor function on the listed vehicles. Part number 3976R is also useful when searching for Mercury Grand Marquis A/C compressor kit and Mercury Marquis reman compressor replacement applications.

What It Helps Fix

  • Loss of A/C compressor operation
  • Weak or inconsistent cabin cooling
  • Noisy or worn compressor performance
  • Service needs on factory air systems with A6 compressor setup
  • Replacement needs for 1975-1976 Mercury Marquis and Grand Marquis A/C service

Installation Notes and Tips

Verify the vehicle has factory air and the A6 compressor configuration before ordering. Confirm the compressor coil position matches the listed 2 o'clock coil note, and match the application details to the vehicle year and model exactly. Use the fitment notes for 1975 Mercury Grand Marquis, 1975 Mercury Marquis, 1976 Mercury Grand Marquis, and 1976 Mercury Marquis to confirm the correct service application.

Quality Assurance

Four Seasons is a recognized HVAC parts brand, and this PAC-Kit is cataloged with vehicle-specific fitment details for accurate application matching. This part cross-references 57089 and 33380 for the same application.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
1976MercuryGrand Marquis—N/Aw/ A6 Compressor; w/ Factory Air; To 6/1/76; Compressor w/ 2 O'Clk Coil; 57089 (Reman Compressor), 33380 (Filter Drier), 38864 (Exp Valve), 69991 (Flush), 59003 (Oil); PAC-Kit w/ Reman Compressor
1976MercuryMarquisBaseN/Aw/ A6 Compressor; w/ Factory Air; To 6/1/76; Compressor w/ 2 O'Clk Coil; 57089 (Reman Compressor), 33380 (Filter Drier), 38864 (Exp Valve), 69991 (Flush), 59003 (Oil); PAC-Kit w/ Reman Compressor
1976MercuryMarquisBroughamN/Aw/ A6 Compressor; w/ Factory Air; To 6/1/76; Compressor w/ 2 O'Clk Coil; 57089 (Reman Compressor), 33380 (Filter Drier), 38864 (Exp Valve), 69991 (Flush), 59003 (Oil); PAC-Kit w/ Reman Compressor
1975MercuryGrand Marquis—N/Aw/ A6 Compressor; w/ Factory Air; Compressor w/ 2 O'Clk Coil; 57089 (Reman Compressor), 33380 (Filter Drier), 38864 (Exp Valve), 69991 (Flush), 59003 (Oil); PAC-Kit w/ Reman Compressor
1975MercuryMarquisBaseN/Aw/ A6 Compressor; w/ Factory Air; Compressor w/ 2 O'Clk Coil; 57089 (Reman Compressor), 33380 (Filter Drier), 38864 (Exp Valve), 69991 (Flush), 59003 (Oil); PAC-Kit w/ Reman Compressor
1975MercuryMarquisBroughamN/Aw/ A6 Compressor; w/ Factory Air; Compressor w/ 2 O'Clk Coil; 57089 (Reman Compressor), 33380 (Filter Drier), 38864 (Exp Valve), 69991 (Flush), 59003 (Oil); PAC-Kit w/ Reman Compressor