HomeEmission Control > FiltersWix 46990 Engine Crankcase Breather Element
Part #: 46990

Wix 46990 Engine Crankcase Breather Element

⚙️ 102 vehicles fit this part
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🚗Fitment: Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac, LLV, S10, Sonoma, Century, Cutlass Ciera, Skylark, Cutlass Calais, 6000, Grand Am, Astro, Celebrity, S15, Safari, Cutlass Cruiser, R3500, V3500, S10 Blazer, S15 Jimmy, Fiero, Somerset, Calais, Skyhawk, Cimarron, Firenza, Firebird, Sunbird, Citation II, J2000 Sunbird, and J2000
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Overview of Wix 46990 Engine Crankcase Breather Element

The Wix 46990 Engine Crankcase Breather Element is designed to maintain proper ventilation within the engine crankcase. This breather filter is compatible with various GM vehicles including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac models, ensuring reliable emission control and engine performance.

  • Class W breather element designed for light-duty applications
  • Height of 1.380 inches and width of 4.000 inches for precise fitment
  • Closed inner diameter top for secure installation
  • Constructed with synthetic media material for effective filtration
  • Style: Breather filter optimized for crankcase ventilation

Detailed Product Description

The Wix 46990 breather element features a synthetic media material that efficiently filters contaminants from the crankcase ventilation system. Its compact dimensions—1.380 inches in height and 4.000 inches in width—allow it to fit securely in the breather housing. The closed inner diameter top design ensures a tight seal, preventing unfiltered air from entering the engine. Classified as a Class W and intended for light-duty (Ld) duty type, this breather element supports emission control by maintaining clean airflow within the engine crankcase.

Compatible Vehicles and Applications

This engine crankcase breather element is compatible with a range of GM vehicles, including Buick Century, Cadillac Calais, Chevrolet Astro, GMC S10, Oldsmobile Cutlass Ciera, Pontiac Firebird, and others. It is suitable for models such as the Chevrolet S10 Blazer, GMC Sonoma, Pontiac Grand Am, and more, making it a practical replacement part for maintaining proper engine ventilation and emission standards.

Common Issues Addressed by Wix 46990

  • Prevents buildup of crankcase pressure that can cause oil leaks
  • Reduces contamination of engine oil by filtering out harmful particles
  • Helps maintain proper engine ventilation to avoid performance issues
  • Supports emission control compliance by filtering crankcase gases
  • Minimizes risk of engine damage due to unfiltered air intake

Installation Notes and Tips

When installing the Wix 46990 breather element, ensure the breather housing is clean and free of debris. The closed inner diameter top should be aligned properly to create a secure seal. This part is designed for light-duty applications, so verify compatibility with your specific vehicle model and engine type. Refer to the vehicle’s service manual for detailed installation procedures and torque specifications.

Quality Assurance and Warranty

Wix products are manufactured to meet industry standards for emission control components. The 46990 breather element undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Wix typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for warranty terms related to this part number.

BrandWix
Part Number46990
ClassW
Duty TypeLD
Height1.380
Inner Diameter TopClosed
Media MaterialSynthetic
StyleBreather Filter
Width4.000

This part fits 102 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
1993ChevroletS102.5LL4N/A
1993GMCSonoma2.5LL4N/A
1992BuickCentury2.5LL4N/A
1992ChevroletS102.5LL4N/A
1992GMCSonoma2.5LL4N/A
1992OldsmobileCutlass Ciera2.5LL4N/A
1991BuickCentury2.5LL4N/A
1991BuickSkylark2.5LL4N/A
1991ChevroletS102.5LL4N/A
1991GMCSonoma2.5LL4N/A
1991OldsmobileCutlass Calais2.5LL4N/AOriginal Equipment Part Number 25041487
1991OldsmobileCutlass Ciera2.5LL4N/AOriginal Equipment Part Number 25041487
1991Pontiac60002.5LL4N/AOriginal Equipment Part Number 25041487
1991PontiacGrand Am2.5LL4N/AOriginal Equipment Part Number 25041487
1990BuickCentury2.5LL4N/A
1990BuickSkylark2.5LL4N/A
1990ChevroletAstro2.5LL4N/A
1990ChevroletCelebrity2.5LL4N/A
1990ChevroletS102.5LL4N/A
1990GMCS152.5LL4N/A
1990GMCSafari2.5LL4N/A
1990OldsmobileCutlass Calais2.5LL4N/AOriginal Equipment Part Number 25041487
1990OldsmobileCutlass Ciera2.5LL4N/AOriginal Equipment Part Number 25041487
1990OldsmobileCutlass Cruiser2.5LL4N/A
1990Pontiac60002.5LL4N/AOriginal Equipment Part Number 25041487
1990PontiacGrand Am2.5LL4N/AOriginal Equipment Part Number 25041487
1989BuickCentury2.5LL4N/A
1989BuickSkylark2.5LL4N/A
1989ChevroletAstro2.5LL4N/A
1989ChevroletCelebrity2.5LL4N/A
1989ChevroletR35007.4LV8N/A
1989ChevroletS102.5LL4N/A
1989ChevroletV35007.4LV8N/A
1989GMCR2500 SuburbanBase7.4LV8GASN/A
1989GMCR35007.4LV8N/A
1989GMCS152.5LL4N/A
1989GMCSafari2.5LL4N/A
1989GMCV35007.4LV8N/A
1989OldsmobileCutlass Calais2.5LL4N/A
1989OldsmobileCutlass Ciera2.5LL4N/A
1989OldsmobileCutlass Cruiser2.5LL4N/A
1989Pontiac60002.5LL4N/A
1989PontiacGrand Am2.5LL4N/A
1988BuickCentury2.5LL4N/A
1988BuickSkylark2.5LL4N/A
1988ChevroletAstro4.3LV6N/A
1988ChevroletCelebrity2.5LL4N/A
1988ChevroletS102.5LL4N/A
1988ChevroletS10 Blazer2.5LL4N/A
1988GMCS152.5LL4N/A
1988GMCS15 Jimmy2.5LL4N/A
1988GMCSafari4.3LV6N/A
1988OldsmobileCutlass Calais2.5LL4N/A
1988OldsmobileCutlass Ciera2.5LL4N/A
1988OldsmobileCutlass Cruiser2.5LL4N/A
1988Pontiac60002.5LL4N/A
1988Pontiac60002.8LV6N/A
1988PontiacFiero2.5LL4N/A
1988PontiacGrand Am2.5LL4N/A
1987BuickCentury2.5LL4N/A
1987BuickSkylark2.5LL4N/A
1987ChevroletAstro4.3LV6N/A
1987ChevroletCelebrity2.5LL4N/A
1987ChevroletS102.5LL4N/A
1987ChevroletS102.8LV6N/A
1987ChevroletS10 Blazer2.8LV6N/A
1987GMCS152.5LL4N/A
1987GMCS152.8LV6N/A
1987GMCS15 Jimmy2.5LL4N/A
1987GMCS15 Jimmy2.8LV6N/A
1987GMCSafari4.3LV6N/A
1987OldsmobileCalais2.5LL4N/A
1987OldsmobileCutlass Ciera2.5LL4N/A
1987OldsmobileCutlass Cruiser2.5LL4N/A
1987Pontiac60002.5LL4N/A
1987PontiacFiero2.5LL4N/A
1987PontiacFiero2.8LV6N/A
1987PontiacGrand Am2.5LL4N/A
1986BuickSkyhawk1.8LL4N/A
1986CadillacCimarron2.0LL4N/A
1986OldsmobileFirenza2.0LL4N/A
1986OldsmobileFirenza1.8LL4N/A
1986PontiacFirebird2.8LV6N/A
1986PontiacSunbird2.0LL4N/A
1986PontiacSunbird1.8LL4N/A
1985BuickSkyhawk1.8LL4N/A
1985BuickSkylark2.8LV6N/A
1985CadillacCimarron2.0LL4N/A
1985ChevroletCitation II2.8LV6N/A
1985OldsmobileFirenza1.8LL4N/A
1985PontiacJ2000 Sunbird1.8LL4N/A
1984BuickSkyhawk1.8LL4N/A
1984CadillacCimarron2.0LL4N/A
1984OldsmobileFirenza1.8LL4N/A
1984PontiacJ2000 Sunbird1.8LL4N/A
1983BuickSkyhawk1.8LL4N/A
1983CadillacCimarron2.0LL4N/A
1983OldsmobileFirenza1.8LL4N/A
1983PontiacJ20002.0LL4N/A
1983PontiacJ20001.8LL4N/A
1982BuickSkyhawk1.8LL4N/A
1982PontiacJ20001.8LL4N/A

* 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:

AF82FB82LB82

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