OE Quality
60-Day Returns

Four Seasons 98398 A/C Compressor
Overview of Four Seasons New Compressor 98398
The Four Seasons New Compressor 98398 is designed specifically for Buick Lucerne models requiring a reliable HVAC A/C compressor replacement. Engineered to work with R134a refrigerant and compatible with Pag 46 refrigerant oil, this new compressor ensures efficient cooling performance for your vehicle's air conditioning system.
- Compatible Refrigerant: R134a
- Refrigerant Oil Type: Pag 46 (included)
- Compressor Type: 7sbu16c
- Coil Voltage: 12V with 1 wire lead coil clock position
- Pulley Groove Quantity: 6 grooves for serpentine belt
- Mounting Type: Tangent mount
- Includes clutch and oil filled
- Pulley Diameter: 130.175 mm (5.125 inches)
- Discharge and Suction Ports: Sealing washer type
- Terminal Type: Pin
Four Seasons New Compressor Product Line Details
The Four Seasons New Compressor line offers brand-new, direct replacement compressors designed to meet or exceed original equipment specifications. The New Compressor 98398 is part of this line, providing a complete solution with clutch and oil included, ensuring compatibility and ease of installation for Buick Lucerne vehicles. This product line focuses on delivering reliable HVAC performance with components engineered for durability and proper fitment.
Detailed Product Description
This Four Seasons A/C compressor features a 7sbu16c compressor type, optimized for use with R134a refrigerant and Pag 46 oil, which is included in the unit. The compressor comes with a clutch assembly featuring a maximum diameter of 5.125 inches and a pulley designed for a serpentine belt with six grooves. The pulley lip and ridge diameters are both 5.125 inches, ensuring proper belt alignment and tension. The compressor mounts using a tangent mount system with a precise distance from clutch to mounting flange of 1.1875 inches (30.226 mm). Electrical connection is via a pin terminal with a single wire lead coil clock position, operating at 12 volts. Both discharge and suction ports utilize sealing washers to maintain system integrity. O-rings are included for proper sealing, identified as slimline washers (part numbers 24404 and 24402).
Applications and Common Issues Addressed
- Replacement for faulty or worn A/C compressors in Buick Lucerne models
- Resolves insufficient cooling due to compressor failure
- Fixes noisy or seized compressor clutch operation
- Addresses refrigerant leaks from compressor seals or ports
- Restores proper serpentine belt engagement and tension
Installation Notes and Tips
- May require use of original equipment (OE) manifold for proper installation
- Mounting hardware is not included; reuse existing hardware or source separately
- Ensure system is evacuated and recharged with R134a refrigerant and Pag 46 oil
- Verify electrical connections match pin terminal type and coil voltage
- Inspect and replace O-rings as needed to prevent leaks
Quality Assurance and Warranty
The Four Seasons New Compressor 98398 is a new, direct replacement part manufactured to meet OEM specifications for Buick Lucerne vehicles. It includes oil and clutch assembly to ensure proper operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always consult product documentation or supplier for exact warranty terms.
| Brand | Four Seasons |
|---|---|
| Part Number | 98398 |
| Position | New Compressor |
| Clutch Included | Included |
| Clutch Maximum Diameter | 5.125 |
| Coil Clock Position | 1 Wire Lead |
| Coil Voltage | 12 |
| Compatible Refrigerant Oil Type | PAG 46 |
| Compressor Type | 7SBU16C |
| Discharge Port Type | Sealing Washer |
| Distance From Clutch To Mounting Flange | 1.1875 |
| Mount Distance MM | 30.226 |
| Mounting Hardware? | Not Included |
| Mounting Type | Tangent Mount |
| New or Reman | New |
| O-Ring A Number/Desc | [24404] / Slimline Washer |
| O-Ring B Number/Desc | [24402] / Slimline Washer |
| Oil Filled | Included |
| Printed Foot Note | May Require use of OE Manifold |
| Pulley Belt Type | Serpentine |
| Pulley Diameter MM | 130.175 |
| Pulley Groove Quantity | 6 |
| Pulley Lip Diameter | 5.125 |
| Pulley Ridge Diameter | 5.125 |
| Refrigerant Type | R134a |
| Suction Port Type | Sealing Washer |
| Terminal Type | Pin |
| Type | Nippondenso |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Buick | Lucerne | 3.8L | V6 | N/A | w/ 7SBU16C Compressor; New w/ Clutch; May Require use of OE Manifold; New Compressor |
| 2007 | Buick | Lucerne | 3.8L | V6 | N/A | w/ 7SBU16C Compressor; New w/ Clutch; May Require use of OE Manifold; New Compressor |
| 2006 | Buick | Lucerne | 3.8L | V6 | N/A | w/ 7SBU16C Compressor; New w/ Clutch; May Require use of OE Manifold; New Compressor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.