AC DELCO 4K378 [SERPENTINE BELT]

This AC DELCO serpentine belt is a new part. It is the same part that you would receive if you purchased it from your local GM dealer.

This serpentine belt features the following specifications:

  • Brand New AC Delco part
  • Replaces dealer part numbers: 575070, 773021, 12554028, 12569346, 12576447, 88932529, 809213040, 2312733300, 8943821060, 8970645550, 11720D4001, 11720-D4001, 119200P500, 119200-P500, 11920F6501, 11920-F6501, 1K2AA 15908, 1K2AA15908, 56992-PY3-004, 56992PY3004, 56992PY3004, 56992PY30040, 56992-PY3-0040, 56992PY3A02, 56992-PY3-A02, 56992PY3A020, 56992-PY3-A020, 56992PY3A020M2, 56992-PY3-A020M2, B3C715909C, B63H15909, F388 HHVM A02, F388HHVMA02, F4BZ 8620 B, F4BZ8620B, MD308925
  • Built to strict quality control standards
  • Direct replacement
  • 100% factory tested

Wear and Tear

This item is backed by a 60-day warranty against defects in materials and workmanship under its intended use. The warranty does not cover normal wear and tear. Please keep your invoice for proof of this warranty.

  1. step : Remove the intake assembly and serpentine belt. (1:05)
    • Use a screwdriver to pry off the intake assembly.
    • Unclip the radiator hose to move it out of the way.
    • Use a 15 mm socket and ratchet to loosen the tensioner and remove the serpentine belt.
    • Make sure you have a diagram of the serpentine belt route handy later for reassembly.
  2. step : Remove the A/C compressor belt (2:30)
    • Remove the protecting plate underneath the car by removing the 15 mm bolts.
    • Use a 3/8ths ratchet to release the tension on your A/C compressor belt.
    • Remove the A/C compressor belt.
  3. step : Install the new A/C compressor belt and reassemble. (4:45)
    • Using your ratchet put the A/C compressor belt on.
    • Bolt the protecting plate back on.
    • Use your 15 mm wrench to release the tension to put your serpentine belt back on.
    • Put your intake assembly back on and clip the radiator hose back into place.

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 15mm Socket

5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
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1 Stars
2
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perfect fit
September 6, 2011
The correct size belt, perfect fit for my 2001 Chevy Tahoe. Some other parts stores will sell you belts that are close, but when installed, the belt tensioner gauge shows in the worn-belt area. Thank you, A1 Auto.
October 16, 2013
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Vehicle Fit

  • 1991-1995 Acura Legend V6 3.2L (Engine ID C32A1) Power Steering Pump Serpentine Belt ACDelco 4K378
  • 1996-1998 Acura TL V6 3.2L (Engine ID C32A6) Power Steering Pump Serpentine Belt ACDelco 4K378
  • 2002-2004 Cadillac Escalade V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2002-2005 Cadillac Escalade V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2006 Cadillac Escalade V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 Cadillac Escalade V8 6.2L (8th Vin Digit 8) Serpentine Belt ACDelco 4K378
  • 2003-2004 Cadillac Escalade ESV V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2006 Cadillac Escalade ESV V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 Cadillac Escalade ESV V8 6.2L (8th Vin Digit 8) Serpentine Belt ACDelco 4K378
  • 2002-2004 Cadillac Escalade EXT V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2006 Cadillac Escalade EXT V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 Cadillac Escalade EXT V8 6.2L (8th Vin Digit 8) Serpentine Belt ACDelco 4K378
  • 2002-2005 Chevy Avalanche 1500 V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2003-2005 Chevy Avalanche 1500 V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2006 Chevy Avalanche 1500 V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Avalanche 1500 V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Avalanche 1500 V8 5.3L (8th Vin Digit 0) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Avalanche 1500 V8 5.3L (8th Vin Digit J) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Avalanche 1500 V8 5.3L (8th Vin Digit 3) Serpentine Belt ACDelco 4K378
  • 2003-2007 Chevy Express 1500 Van V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2003-2004 Chevy Express 1500 Van V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2004 Chevy Express 1500 Van V6 4.3L (8th Vin Digit X) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Express 1500 Van V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2008 Chevy Express 1500 Van V8 5.3L (8th Vin Digit 4) Serpentine Belt ACDelco 4K378
  • 2003-2007 Chevy Express 2500 Van V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 2003-2007 Chevy Express 2500 Van V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2003-2007 Chevy Express 2500 Van (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2003-2004 Chevy Express 2500 Van V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2004 Chevy Express 2500 Van V6 4.3L (8th Vin Digit X) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Express 2500 Van V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2008 Chevy Express 2500 Van V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2008 Chevy Express 2500 Van V8 4.8L (8th Vin Digit C) Serpentine Belt ACDelco 4K378
  • 2008 Chevy Express 2500 Van V8 5.3L (8th Vin Digit 4) Serpentine Belt ACDelco 4K378
  • 2003-2007 Chevy Express 3500 Van (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2003-2007 Chevy Express 3500 Van V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 2004 Chevy Express 3500 Van V6 4.3L (8th Vin Digit X) Serpentine Belt ACDelco 4K378
  • 2008 Chevy Express 3500 Van V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2008 Chevy Express 3500 Van V8 4.8L (8th Vin Digit C) Serpentine Belt ACDelco 4K378
  • 1998-2001 Chevy Metro L4 1.3L (8th Vin Digit 2) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 1999-2007 Chevy Silverado 1500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 1999-2007 Chevy Silverado 1500 V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 1999-2007 Chevy Silverado 1500 V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2002-2005 Chevy Silverado 1500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2002-2007 Chevy Silverado 1500 V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2005-2006 Chevy Silverado 1500 V8 5.3L (8th Vin Digit B) Serpentine Belt ACDelco 4K378
  • 2006 Chevy Silverado 1500 V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 1500 V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 1500 V8 5.3L (8th Vin Digit J) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 1500 V8 4.8L (8th Vin Digit C) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 1500 V8 5.3L (8th Vin Digit M) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 1500 V8 5.3L (8th Vin Digit 0) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 1500 V8 5.3L (8th Vin Digit 3) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 1500 V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 1500 Classic (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 1500 Classic V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 1500 Classic V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 1500 Classic V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 1500 Classic V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 1500 Classic V8 5.3L (8th Vin Digit B) Serpentine Belt ACDelco 4K378
  • 2001-2003 Chevy Silverado 1500 HD (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2005-2006 Chevy Silverado 1500 HD (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 1500 HD Classic (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 1999-2004 Chevy Silverado 2500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 1999-2000 Chevy Silverado 2500 V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2002-2004 Chevy Silverado 2500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2001-2006 Chevy Silverado 2500 HD (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2002-2005 Chevy Silverado 2500 HD (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2006 Chevy Silverado 2500 HD V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 2500 HD V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 2500 HD V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 2500 HD Classic V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 2500 HD Classic (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2001-2006 Chevy Silverado 3500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2002-2005 Chevy Silverado 3500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2006 Chevy Silverado 3500 V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 3500 V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Silverado 3500 V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 3500 Classic (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2007 Chevy Silverado 3500 Classic V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2000-2005 Chevy Suburban 1500 V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2000-2006 Chevy Suburban 1500 (8th Vin Digit N) (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2002-2006 Chevy Suburban 1500 V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Suburban 1500 V8 5.3L (8th Vin Digit 0) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Suburban 1500 V8 5.3L (8th Vin Digit 3) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Suburban 1500 V8 5.3L (8th Vin Digit J) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Suburban 1500 V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Suburban 1500 V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 2000-2006 Chevy Suburban 2500 (8th Vin Digit N) (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Suburban 2500 V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Suburban 2500 V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 2000-2006 Chevy Tahoe V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2000-2006 Chevy Tahoe V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 2002-2006 Chevy Tahoe V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Tahoe V8 5.3L (8th Vin Digit 0) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Tahoe V8 4.8L (8th Vin Digit C) Serpentine Belt ACDelco 4K378
  • 2007-2008 Chevy Tahoe V8 5.3L (8th Vin Digit J) Serpentine Belt ACDelco 4K378
  • 2001-2002 Chevy Tracker L4 1.6L (8th Vin Digit 6) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 2008 Chevy Trailblazer V8 5.3L (8th Vin Digit M) Serpentine Belt ACDelco 4K378
  • 1994-1995 Ford Aspire L4 1.3L (8th Vin Digit H) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 1996-1997 Ford Aspire L4 1.3L (8th Vin Digit H) Factory Installed Air Condtioning Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 2003-2007 GMC Savana 1500 Van V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2003-2007 GMC Savana 1500 Van V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2004-2005 GMC Savana 1500 Van V6 4.3L (8th Vin Digit X) Serpentine Belt ACDelco 4K378
  • 2008 GMC Savana 1500 Van V8 5.3L (8th Vin Digit 4) Serpentine Belt ACDelco 4K378
  • 2003-2007 GMC Savana 2500 Van V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2003-2007 GMC Savana 2500 Van (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2003-2007 GMC Savana 2500 Van V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2003-2007 GMC Savana 2500 Van V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 2004-2005 GMC Savana 2500 Van V6 4.3L (8th Vin Digit X) Serpentine Belt ACDelco 4K378
  • 2008 GMC Savana 2500 Van V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2008 GMC Savana 2500 Van V8 5.3L (8th Vin Digit 4) Serpentine Belt ACDelco 4K378
  • 2008 GMC Savana 2500 Van V8 4.8L (8th Vin Digit C) Serpentine Belt ACDelco 4K378
  • 2003-2007 GMC Savana 3500 Van (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2003-2007 GMC Savana 3500 Van V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 2008 GMC Savana 3500 Van V8 4.8L (8th Vin Digit C) Serpentine Belt ACDelco 4K378
  • 2008 GMC Savana 3500 Van V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 1999-2006 GMC Sierra 1500 V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 1999-2006 GMC Sierra 1500 V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 1999-2006 GMC Sierra 1500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2002-2006 GMC Sierra 1500 V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2005-2006 GMC Sierra 1500 V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2005-2006 GMC Sierra 1500 V8 5.3L (8th Vin Digit B) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 1500 V8 5.3L (8th Vin Digit M) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 1500 V8 5.3L (8th Vin Digit J) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 1500 V8 5.3L (8th Vin Digit 0) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 1500 V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 1500 V8 5.3L (8th Vin Digit 3) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 1500 V8 4.8L (8th Vin Digit C) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 1500 V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 1500 Classic V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 1500 Classic (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 1500 Classic V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 1500 Classic V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 1500 Classic V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 1500 Classic V8 5.3L (8th Vin Digit B) Serpentine Belt ACDelco 4K378
  • 2001-2003 GMC Sierra 1500 HD (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2005-2006 GMC Sierra 1500 HD V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 1500 HD Classic V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 1999-2004 GMC Sierra 2500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2001-2006 GMC Sierra 2500 HD (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2005-2006 GMC Sierra 2500 HD V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 2500 HD V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 2500 HD V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 2500 HD Classic V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 2500 HD Classic (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2001-2006 GMC Sierra 3500 (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2005-2006 GMC Sierra 3500 V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Sierra 3500 V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 3500 Classic (8th Vin Digit U) Serpentine Belt ACDelco 4K378
  • 2007 GMC Sierra 3500 Classic V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2000-2006 GMC Yukon V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2000-2006 GMC Yukon V8 4.8L (8th Vin Digit V) Serpentine Belt ACDelco 4K378
  • 2002-2006 GMC Yukon V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2007 GMC Yukon V8 4.8L (8th Vin Digit C) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Yukon V8 5.3L (8th Vin Digit 0) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Yukon V8 5.3L (8th Vin Digit J) Serpentine Belt ACDelco 4K378
  • 2000-2005 GMC Yukon XL 1500 V8 5.3L (8th Vin Digit T) Serpentine Belt ACDelco 4K378
  • 2000-2006 GMC Yukon XL 1500 Serpentine Belt ACDelco 4K378
  • 2002-2006 GMC Yukon XL 1500 V8 5.3L (8th Vin Digit Z) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Yukon XL 1500 V8 5.3L (8th Vin Digit 0) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Yukon XL 1500 V8 5.3L (8th Vin Digit 3) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Yukon XL 1500 V8 5.3L (8th Vin Digit J) Serpentine Belt ACDelco 4K378
  • 2000-2006 GMC Yukon XL 2500 Serpentine Belt ACDelco 4K378
  • 2005 GMC Yukon XL 2500 V8 6.0L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Yukon XL 2500 V8 6.0L (8th Vin Digit K) Serpentine Belt ACDelco 4K378
  • 2007-2008 GMC Yukon XL 2500 V8 6.0L (8th Vin Digit Y) Serpentine Belt ACDelco 4K378
  • 1995-1997 Geo Metro L4 1.3L (8th Vin Digit 9) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 1992-1997 Hyundai Sonata L4 2.0L (8th Vin Digit F) Serpentine Belt ACDelco 4K378
  • 1998 Hyundai Sonata L4 2.0L Serpentine Belt ACDelco 4K378
  • 1993-1997 Infiniti J30 V6 3.0L (Engine ID VG30DE) Air Conditioning Compressor & Idler Pulley Serpentine Belt ACDelco 4K378
  • 1998 Kia Sephia L4 1.8L (8th Vin Digit 1) Manual Steering Air Conditioning Compressor Serpentine Belt ACDelco 4K378
  • 1998-1999 Kia Sephia L4 1.8L (8th Vin Digit 5) Manual Steering Air Conditioning Compressor Serpentine Belt ACDelco 4K378
  • 2000 Kia Sephia L4 1.8L (8th Vin Digit 1) Manual Steering Air Conditioning Compressor Serpentine Belt ACDelco 4K378
  • 2000-2004 Kia Spectra L4 1.8L (8th Vin Digit 1) Manual Steering Air Conditioning Compressor Serpentine Belt ACDelco 4K378
  • 1990-1993 Mazda Miata MX-5 L4 1.6L (8th Vin Digit N) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 2003-2005 Mazda Miata MX-5 L4 1.8L (8th Vin Digit N) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 1994-1995 Mitsubishi Diamante Sedan V6 3.0L Air Conditioning Compressor & Idler Pulley Serpentine Belt ACDelco 4K378
  • 1996 Mitsubishi Diamante V6 3.0L Air Conditioning Compressor & Idler Pulley Serpentine Belt ACDelco 4K378
  • 1994-1998 Mitsubishi Galant L4 2.4L (Engine ID 4G64) Air Conditioning Compressor & Idler Pulley Serpentine Belt ACDelco 4K378
  • 1995-1996 Mitsubishi Montero V6 3.0L (8th Vin Digit H) Idler Pulley & Power Steering Pump Serpentine Belt ACDelco 4K378
  • 1997-1998 Mitsubishi Montero Sport V6 3.0L Serpentine Belt ACDelco 4K378
  • 1989 Peugeot 405 L4 1.9L (8th Vin Digit 1) Alternator & Power Steering Pump Serpentine Belt ACDelco 4K378
  • 1990-1991 Peugeot 405 L4 1.9L (8th Vin Digit C) Alternator & Power Steering Pump Serpentine Belt ACDelco 4K378
  • 1990-1991 Peugeot 405 L4 1.9L (8th Vin Digit A) Alternator & Power Steering Pump Serpentine Belt ACDelco 4K378
  • 1995-1998 Pontiac Firefly L4 1.3L (8th Vin Digit 9) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 1998-2000 Pontiac Firefly L4 1.3L (8th Vin Digit 2) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378
  • 2008 Saab 9-7X V8 5.3L (8th Vin Digit M) Serpentine Belt ACDelco 4K378
  • 1985-1989 Subaru XT L4 1.8L (8th Vin Digit 7) Serpentine Belt ACDelco 4K378
  • 1985-1987 Subaru XT L4 1.8L (8th Vin Digit 4) Manual Steering Serpentine Belt ACDelco 4K378
  • 1985-1989 Subaru XT H4 1.8L (8th Vin Digit 4) without Air Conditioning Serpentine Belt ACDelco 4K378
  • 1991 Subaru XT H4 1.8L (8th Vin Digit 4) Serpentine Belt ACDelco 4K378
  • 2006-2008 Suzuki Grand Vitara V6 2.7L (8th Vin Digit N) Serpentine Belt ACDelco 4K378
  • 1999-2002 Suzuki Vitara L4 1.6L (8th Vin Digit N) Air Conditioning Compressor & Power Steering Serpentine Belt ACDelco 4K378

This part replaces:

  • ACDelco 4K378
Part #: 1AACD00057

Out of Stock

AC DELCO
Brand #: 4K378

How-to Video:

(09:09 min)