HomeHVAC > A/C Clutch and CompressorFour Seasons 98398 A/C Compressor
Part #: 98398

Four Seasons 98398 A/C Compressor

New Compressor
3 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
New Compressor
Fitment: Buick, Lucerne
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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.

BrandFour Seasons
Part Number98398
PositionNew Compressor
Clutch IncludedIncluded
Clutch Maximum Diameter5.125
Coil Clock Position1 Wire Lead
Coil Voltage12
Compatible Refrigerant Oil TypePAG 46
Compressor Type7SBU16C
Discharge Port TypeSealing Washer
Distance From Clutch To Mounting Flange1.1875
Mount Distance MM30.226
Mounting Hardware?Not Included
Mounting TypeTangent Mount
New or RemanNew
O-Ring A Number/Desc[24404] / Slimline Washer
O-Ring B Number/Desc[24402] / Slimline Washer
Oil FilledIncluded
Printed Foot NoteMay Require use of OE Manifold
Pulley Belt TypeSerpentine
Pulley Diameter MM130.175
Pulley Groove Quantity6
Pulley Lip Diameter5.125
Pulley Ridge Diameter5.125
Refrigerant TypeR134a
Suction Port TypeSealing Washer
Terminal TypePin
TypeNippondenso

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008BuickLucerne3.8LV6N/Aw/ 7SBU16C Compressor; New w/ Clutch; May Require use of OE Manifold; New Compressor
2007BuickLucerne3.8LV6N/Aw/ 7SBU16C Compressor; New w/ Clutch; May Require use of OE Manifold; New Compressor
2006BuickLucerne3.8LV6N/Aw/ 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:

1421517152151720215172021517AM2084262199258727599947107146398666512546751254698398A75999AC1208426CO11356CT98398

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.