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Part #: 46978

Wix 46978 Engine Crankcase Breather Element

⚙️ 42 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, and Mercury, Explorer, Mustang, Thunderbird, Mark VII, Country Squire, LTD Crown Victoria, Colony Park, Town Car, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, and LTD
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Overview of Wix 46978 Engine Crankcase Breather Element

The Wix 46978 Engine Crankcase Breather Element is designed to maintain proper ventilation within the engine crankcase. This breather filter is compatible with various Ford, Lincoln, and Mercury models, including the Mustang, Explorer, and Town Car, ensuring reliable emission control and engine performance.

  • Class D breather element for effective crankcase ventilation
  • Wire mesh media material for durable filtration
  • Height of 0.900 inches with closed inner diameter top
  • Outer diameter of 1.100 inches on both top and bottom
  • Designed specifically for Ford, Lincoln, and Mercury vehicles

Technical Details and Specifications

The Wix 46978 breather element features a wire mesh media material that provides consistent filtration while allowing proper airflow. Its compact height of 0.900 inches and outer diameters of 1.100 inches on both ends make it suitable for precise fitment in the crankcase ventilation system. The closed inner diameter top design helps prevent contaminants from entering the engine, supporting emission control compliance. This breather filter is classified as Class D and is intended for light-duty (Ld) applications, making it appropriate for a range of passenger and light commercial vehicles.

Compatible Vehicles and Applications

This engine crankcase breather element is compatible with several Ford, Lincoln, and Mercury models, including:

  • Ford Mustang
  • Ford Explorer
  • Ford E-150 Econoline and E-150 Econoline Club Wagon
  • Ford E-250 Econoline
  • Lincoln Town Car
  • Mercury Colony Park
  • Lincoln Mark VII
  • Ford LTD and LTD Crown Victoria
  • Ford Thunderbird

Using the Wix 46978 ensures proper ventilation and emission control for these specific vehicles, helping maintain engine efficiency and reduce harmful emissions.

Common Issues Addressed by the Wix 46978 Breather Element

  • Prevents crankcase pressure buildup that can cause oil leaks
  • Reduces contamination of engine oil by filtering out dirt and debris
  • Helps maintain proper engine ventilation to avoid performance issues
  • Supports emission control by filtering crankcase gases
  • Minimizes risk of engine damage due to improper ventilation

Installation Notes and Tips

When installing the Wix 46978 breather element, ensure the engine is cool and the area around the crankcase breather is clean. The closed inner diameter top should be oriented correctly to prevent contaminants from entering. Verify the breather element fits securely within the housing to maintain proper sealing and ventilation. Regular inspection and replacement according to vehicle maintenance schedules will help sustain optimal engine performance.

Quality Assurance and Warranty

Wix products are manufactured to meet industry standards for durability and performance. The 46978 breather element undergoes quality control testing to ensure reliable filtration and fitment. While specific warranty details may vary, Wix typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms related to this part number.

BrandWix
Part Number46978
ClassD
Duty TypeLD
Height0.900
Inner Diameter TopClosed
Media MaterialWire Mesh
Outer Diameter Bottom1.100
Outer Diameter Top1.100
StyleBreather Filter

This part fits 42 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1998FordExplorer5.0LV8N/A
1997FordExplorer5.0LV8N/A
1996FordExplorer5.0LV8N/A
1995FordMustang5.0LV8N/A
1995FordMustang5.8LV8N/A
1994FordMustang5.0LV8N/A
1994FordMustangSVT Cobra5.0LV8N/A
1993FordMustang5.0LV8N/A
1993FordThunderbird5.0LV8N/A
1992FordMustang5.0LV8N/A
1992FordThunderbird5.0LV8N/A
1992LincolnMark VII5.0LV8N/A
1991FordLTD Crown Victoria5.0LV8N/A
1991FordMustang5.0LV8N/A
1991FordThunderbird5.0LV8N/A
1991LincolnMark VII5.0LV8N/A
1991MercuryColony Park5.0LV8N/A
1990FordLTD Crown Victoria5.0LV8N/A
1990FordMustang5.0LV8N/A
1990LincolnMark VII5.0LV8N/A
1990LincolnTown Car5.0LV8N/A
1990MercuryColony Park5.0LV8N/A
1989FordLTD Crown Victoria5.0LV8N/A
1989FordMustang5.0LV8N/A
1989LincolnMark VII5.0LV8N/A
1989LincolnTown Car5.0LV8N/A
1989MercuryColony Park5.0LV8N/A
1988FordLTD Crown Victoria5.0LV8N/A
1988FordMustang5.0LV8N/A
1988FordThunderbird5.0LV8N/A
1988LincolnMark VII5.0LV8N/A
1988LincolnTown Car5.0LV8N/A
1988MercuryColony Park5.0LV8N/A
1987FordLTD Crown Victoria5.0LV8N/A
1987FordMustang5.0LV8N/A
1987FordThunderbird5.0LV8N/A
1986FordE-150 Econoline5.0LV8N/A
1986FordE-150 Econoline Club Wagon5.0LV8N/A
1986FordE-250 Econoline5.0LV8N/A
1986FordLTD5.0LV8N/A
1986FordMustang5.0LV8N/A
1986FordThunderbird5.0LV8N/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:

AFB1068

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