Replaces

1996-1997 Acura SLX Serpentine Belt Heavy Duty (AC Delco) for V6 3.2L for Fan and Alternator

Part Details

  • Brake Options: Heavy Duty
  • Brands: AC Delco

This part replaces:

  • AC DELCO K040378HD

  • New

AC DELCO K040378HD (Heavy Duty) [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.

Specifications:

  • Brand New AC Delco Serpentine Belt
  • Outstanding crack resistance at extreme temperatures
  • Designed for the toughest applications; a problem-solving belt
  • Replaces dealer part numbers: F4BZ 8620 B, F4BZ8620B, 12554028, 12569346, 12576447, 19163445, 56992PY30040, 56992PY3A02, 56992PY3A020, 56992PY3A020M2, 2312733300, 8943821060, 8970645550, 1K2AA15908, F388HHVMA02, B3C715909C, B63H15909, MD308925, 11720D4001, 119200P500, 11920F6501, 773021, 809213040
  • Built to strict quality control standards
  • Direct replacement
    • Rib Number: 4
    • Top Width: 0.56 Inches
    • Effective Length: 37.89 Inches

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. Removing the Air Intake Hose
    • Loosen the air intake hose clamps with a flat blade screwdriver
    • Unclip the intake hose from the radiator hose
    • Pull the intake hose up and out
  2. Removing the Radiator Fan Shroud
    • Remove the two 10mm bolts from the radiator fan shroud
    • Unclip the radiator hose from the fan shroud
    • Pry the four plastic clips out of the fans shroud with a flat blade screwdriver
    • Pull the fan shroud up and out
  3. Removing the Serpentine Belt
    • Attach a 15mm socket and ratchet to the serpentine belt tensioner
    • Turn the tensioner counterclockwise to loosen the belt
    • Pull the belt off the tensioner
    • Release the tensioner
    • Pull the belt off all the pulleys
  4. Removing the A/C Compressor Belt
    • Remove the five 15mm bolts from the skid plate
    • Attach a 3/8 inch ratchet to the A/C belt tensioner
    • Pull the tensioner down to loosen the belt
    • Pull off the A/C belt
  5. Installing the New A/C Belt
    • Feed the new A/C belt into place
    • Attach a 3/8 inch ratchet to the A/C belt tensioner
    • Pull the tensioner down to loosen the belt
    • Pull the belt around the pulleys
    • Release the tensioner
    • Lift the skid plate into place
    • Insert the five 15mm bolts into the skid plate
  6. Reinstalling the Serpentine Belt
    • Familiarize yourself with the belt routing diagram
    • Route the belt onto all but one pulley, following the diagram
    • Attach a 15mm socket and ratchet to the serpentine belt tensioner
    • Turn the tensioner counterclockwise to loosen the belt
    • Pull the belt onto the remaining pulley
    • Release the tensioner
  7. Reinstalling the Fan Shroud
    • Push the fan shroud into place
    • Push the four plastic clips into the fan shroud
    • Clip the radiator hose into the fan shroud
    • Insert the two 10mm bolts into the fan shroud
  8. Reinstalling the Air Intake Hose
    • Push the intake hose into place
    • Tighten the intake hose clamps with a flat blade screwdriver
    • Clip the radiator hose to the air intake hose

How-to Video:

(08:00 min)

Tools List:

    Ratchets & Related

  • 3/8 inch drive ratchet
  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 10mm Socket
  • 15mm Socket



This part replaces:

  • AC DELCO K040378HD

Vehicle Fit

  • 1996-1997 Acura SLX Serpentine Belt Heavy Duty (AC Delco) for V6 3.2L for Fan and Alternator
  • 2002-2005 Cadillac Escalade Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2002-2006 Cadillac Escalade Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2007-2008 Cadillac Escalade Serpentine Belt Heavy Duty (AC Delco) for V8 6.2L for A/C Compressor
  • 2003-2006 Cadillac Escalade ESV Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2007-2008 Cadillac Escalade ESV Serpentine Belt Heavy Duty (AC Delco) for V8 6.2L for A/C Compressor
  • 2002-2006 Cadillac Escalade EXT Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2007-2008 Cadillac Escalade EXT Serpentine Belt Heavy Duty (AC Delco) for V8 6.2L for A/C Compressor
  • 2002-2008 Chevy Avalanche 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2007-2008 Chevy Avalanche 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2003-2008 Chevy Express 1500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2003-2005 Chevy Express 2500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2003-2008 Chevy Express 2500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2003-2008 Chevy Express 2500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 4.8L for A/C Compressor
  • 2003-2008 Chevy Express 3500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2005-2008 Chevy Express 3500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 4.8L for A/C Compressor
  • 1999-2008 Chevy Silverado 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 4.8L for A/C Compressor
  • 1999-2008 Chevy Silverado 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2001-2008 Chevy Silverado 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2001-2003 Chevy Silverado 1500 HD Serpentine Belt for A/C Compressor (AC Delco) Heavy Duty
  • 2005-2007 Chevy Silverado 1500 HD Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 1999-2000 Chevy Silverado 2500 Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 1999-2004 Chevy Silverado 2500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2001-2008 Chevy Silverado 2500 HD Serpentine Belt for V8 6.0L for A/C Compressor Heavy Duty (AC Delco)
  • 2001-2008 Chevy Silverado 3500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2004-2007 Chevy Silverado Hybrid Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2000-2008 Chevy Suburban 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2006-2008 Chevy Suburban 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2000-2008 Chevy Suburban 2500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2000-2008 Chevy Tahoe Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2000-2008 Chevy Tahoe Serpentine Belt Heavy Duty (AC Delco) for V8 4.8L for A/C Compressor
  • 2003-2008 GMC Savana 1500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2003-2008 GMC Savana 2500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 4.8L for A/C Compressor
  • 2003-2008 GMC Savana 2500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2003-2005 GMC Savana 2500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2003-2008 GMC Savana 3500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2004-2008 GMC Savana 3500 Van Serpentine Belt Heavy Duty (AC Delco) for V8 4.8L for A/C Compressor
  • 1999-2008 GMC Sierra 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 1999-2008 GMC Sierra 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 4.8L for A/C Compressor
  • 2001-2008 GMC Sierra 1500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2001-2003 GMC Sierra 1500 HD Serpentine Belt for A/C Compressor (AC Delco) Heavy Duty
  • 2005-2007 GMC Sierra 1500 HD Serpentine Belt for A/C Compressor (AC Delco) Heavy Duty
  • 1999-2000 GMC Sierra 2500 Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 1999-2004 GMC Sierra 2500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2001-2008 GMC Sierra 2500 HD Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2001-2008 GMC Sierra 3500 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2005-2007 GMC Sierra Hybrid Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2000-2008 GMC Yukon Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2000-2008 GMC Yukon Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2000-2008 GMC Yukon XL Serpentine Belt Heavy Duty (AC Delco) for V8 5.3L for A/C Compressor
  • 2000-2008 GMC Yukon XL Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2003-2007 Hummer H2 Serpentine Belt Heavy Duty (AC Delco) for V8 6.0L for A/C Compressor
  • 2008 Hummer H2 Serpentine Belt Heavy Duty (AC Delco) for V8 6.2L for A/C Compressor
$65.45
Part #: 1AESB00053

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AC DELCO
Brand #: K040378HD

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"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
- Dwuan M.
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