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Four Seasons
PAC-Kit w/ New CompressorFour Seasons 3946N A/C Compressor and Component Kit
| Brand | Four Seasons 3946N |
|---|---|
| Product line | PAC-Kit w/ New Compressor |
| Fits | Mercury and Ford · 18 vehicles |
PAC-Kit with new compressor. Complete A/C compressor kit for a straightforward replacement.
A/C compressor kit for restoring cooling performance.
$388.64Free shipping
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Four Seasons PAC-Kit w/ New Compressor 3946N
Four Seasons 3946N is a PAC-Kit with a new compressor for select Ford and Mercury vehicles equipped with FS6 or HR980 compressor systems. It is built for dealer air applications and is listed for specific 1981-1986 Ford Thunderbird, Ford LTD, Mercury Capri, Mercury Grand Marquis, and Mercury Marquis fitments.
Key Features
- Four Seasons PAC-Kit w/ New Compressor line
- New compressor application for select factory A/C systems
- Fits FS6 compressor and HR980 compressor configurations where listed
- Dealer air applications only, per fitment notes
- Part number 3946N for catalog lookup and ordering
Fitment Details
- Fits 1986 Mercury Capri, N/A, w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
- Fits 1986 Mercury Grand Marquis, N/A, w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
- Fits 1983-1984 Mercury Grand Marquis, N/A, w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
- Fits 1985 Ford LTD, N/A, w/ HR980 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
- Fits 1984 Mercury Marquis, N/A, w/ FS6 Compressor; Dealer Air; To 4/84; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
- Fits 1983 Mercury Marquis, N/A, w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
- Fits 1982 Ford Thunderbird, N/A, w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
- Fits 1982 Ford Thunderbird, N/A, w/ FS6 Compressor; Dealer Air; w/ Factory Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
- Fits 1981-1982 Mercury Marquis, N/A, 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
Common A/C Repair Uses
- Restores cooling performance on a worn or failed compressor system
- Addresses noisy compressor operation in older Ford and Mercury A/C systems
- Helps correct loss of cabin cooling on dealer air-equipped vehicles
- Supports repair of compressor-related refrigerant circulation issues
- Provides a direct replacement path for listed FS6 and HR980 applications
Installation Notes
Verify the compressor type, dealer air configuration, and model-year notes before ordering. For 1984 Mercury Marquis, the listing applies to vehicles built to 4/84. Follow standard A/C service procedures, including system evacuation, flushing where required, and proper oil handling during compressor replacement.
Quality Assurance
Four Seasons catalogs this PAC-Kit with a new compressor under part number 3946N for the listed Ford and Mercury applications. This part cross-references no additional part numbers in the provided data.
This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1986 | Mercury | Capri | — | 5.0L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1986 | Mercury | Capri | — | 3.8L | V6 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1986 | Mercury | Grand Marquis | Base | 5.0L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1986 | Mercury | Grand Marquis | Base | 5.8L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1986 | Mercury | Grand Marquis | LS | 5.0L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1986 | Mercury | Grand Marquis | LS | 5.8L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1985 | Ford | LTD | — | 3.8L | V6 | N/A | w/ HR980 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1984 | Mercury | Grand Marquis | Base | 5.8L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1984 | Mercury | Marquis | — | 3.8L | V6 | N/A | w/ FS6 Compressor; Dealer Air; To 4/84; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1983 | Mercury | Grand Marquis | — | 5.0L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1983 | Mercury | Grand Marquis | — | 5.8L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1983 | Mercury | Grand Marquis | Base | 5.0L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1983 | Mercury | Grand Marquis | LS | 5.0L | V8 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1983 | Mercury | Marquis | — | 3.8L | V6 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1982 | Ford | Thunderbird | — | 3.8L | V6 | N/A | w/ FS6 Compressor; Dealer Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1982 | Ford | Thunderbird | — | 4.2L | V8 | N/A | w/ FS6 Compressor; Dealer Air; w/ Factory Air; 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1982 | Mercury | Marquis | — | 5.0L | V8 | N/A | 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 1981 | Mercury | Marquis | — | 5.0L | V8 | N/A | 58111 (New Compressor), 33280 (Filter Drier), 38608 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
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