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022121Engine Air Intake Coupling
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APDTY 022121 Throttle Body To Intake Manifold Plenum Coupling Rubber Boot/Hose


  • Brand New Plenum Coupling
  • Mounts Between Throttle Body & Intake Manifold
  • Solves The Common Vacuum Leak Problem On Northstar Engine
  • Includes Required Intake Manifold O-ring Gaskets (MS93313, 12557497)
  • Commonly Needed To Solve Trouble Codes: P0171, P0174, P0101, P0300, P0507, P2195, P2197
  • Exact OE Fit Form & Function
  • Restores Engine Performance and Prevents Stalling
  • Compatible With 2000-2005 Cadillac Deville 4.6L
  • Compatible With 2001-2002 Cadillac Eldorado 4.6L
  • Compatible With 2000-2004 Cadillac Seville 4.6L
  • Compatible With 2001-2003 Oldsmobile Aurora 4.0L
  • Compatible With 2004-2005 Pontiac Bonneville GXP 4.6L
  • Replaces 12555840, 12557497, MS93313, 615-715
  • See Buyers Guide for compatibility
Make Model Qualifiers Year
Cadillac DeVille
  • Position: N/A
  • 4.6L V8 281ci
 2000-2005
Cadillac Eldorado
  • Position: N/A
  • 4.6L V8 281ci
 2000-2002
Cadillac Seville
  • Position: N/A
  • 4.6L V8 281ci
 2000-2004
Oldsmobile Aurora
  • Position: N/A
  • 4.0L V8 244ci
 2001-2003
Pontiac Bonneville
  • Position: N/A
  • 4.6L V8 281ci
 2004-2005