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21679517 Genuine Mack Crankcase Oil Ventilation Separator
21679517 Genuine Mack Crankcase Oil Ventilation Separator
21679517 Genuine Mack Crankcase Oil Ventilation Separator
21679517 Genuine Mack Crankcase Oil Ventilation Separator

21679517 Genuine Mack Crankcase Oil Ventilation Separator

P/N: 21679517 Manufactured by: Mack
$679.00 - $679.00
$679.00
$679.00 - $679.00
$679.00
1 in Stock
Condition: New
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2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 21679517 is a genuine Mack Crankcase Oil Ventilation Separator designed for Mack engine crankcase ventilation systems. This separator operates within the engine ventilation circuit, separating oil mist from crankcase vapors to support proper breather system function.

Product Features

The 21679517 Crankcase Oil Ventilation Separator is manufactured to Mack factory specifications for crankcase vapor control.

  • Separates oil mist from crankcase vapors
  • Supports engine breather system operation
  • Helps route crankcase gases through the ventilation circuit
  • Designed for Mack engine service applications
  • Maintains factory crankcase ventilation compatibility
  • Supports controlled oil vapor management

Technical Specifications

Condition New
Part Number 21679517
Brand Mack
Part Type Crankcase Oil Ventilation Separator
Weight 10.0 lbs


Installation Notes

The 21679517 Crankcase Oil Ventilation Separator should be matched to the correct Mack engine ventilation configuration before installation. Inspect breather hoses, sealing surfaces, mounting points, and crankcase ventilation passages during service.

Verify crankcase ventilation layout, breather hose routing, and engine configuration before installation to ensure proper vapor separation performance.