AC DELCO D555 [IGNITION COIL]

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

The ignition coil is a crucial part of your ignition system. It's function is to convert the 12 volt power of your vehicle's electrical system in to 35,000 or more volts. This produces a high intensity spark at the spark plug which then ignites the fuel in the cylinder. Coils in general will wear out over time. This will cause a misfire condition where the car looses power especially at higher engine RPM.

Specifications:

  • New not remanufactured
  • Replaces dealer part number: 10472401
  • Built to strict quality control standards
  • Direct replacement
  • 100% factory tested

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Direct Fit Replacement

Direct fit replacement part is guaranteed to fit and function properly for your specific application.

Optimum Performance

Optimal performance, TRQ ignition coils are designed to meet or exceed the requirements of the vehicle.  TRQ ignition coils provide the correct primary and secondary resistance, voltage output, and spark energy that the vehicle needs to restore to its original operating condition.

Premium Quality

Manufactured with quality components and materials by using advanced technology to meet the highest quality control standards in the industry.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. step : Removing the Ignition Coil (0:28)
    • Disconnect the two wires for one ignition coil
    • Put the rear wire aside to the rear and the front one aside to the front
    • Remove two 7/32 inch bolts from the ignition coil
    • Pull the ignition coil up and off
  2. step : Installing the New Ignition Coil (1:26)
    • Carefully place the new coil onto the contacts, being sure not to bend them
    • Insert the two 7/32 inch bolts
    • Plug the wires back on in their original order

Tools needed for replacement:

    Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Sockets - SAE

  • 7/32 Inch Socket

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Vehicle Fit

  • 1986 Buick Century Ignition Coil V6 3.8L (8th Vin Digit B) ACDelco D555
  • 1986-1988 Buick Century Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1987-1989 Buick Century Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1992 Buick Century Ignition Coil L4 2.5L (8th Vin Digit R) ACDelco D555
  • 1989-1993 Buick Century Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1993-1996 Buick Century Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1994-1999 Buick Century Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 2000-2005 Buick Century Ignition Coil V6 3.1L ACDelco D555
  • 1986 Buick Electra Ignition Coil V6 3.8L (8th Vin Digit B) ACDelco D555
  • 1987 Buick Electra Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1990 Buick Electra Ignition Coil V6 2.8L (8th Vin Digit C) ACDelco D555
  • 1986-1988 Buick LeSabre Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1986 Buick LeSabre Ignition Coil V6 3.8L (8th Vin Digit B) ACDelco D555
  • 1990-1991 Buick LeSabre Ignition Coil V6 3.8L (8th Vin Digit C) ACDelco D555
  • 1992-1994 Buick LeSabre Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1996-2005 Buick LeSabre Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1991-1994 Buick Park Avenue Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1991-2005 Buick Park Avenue Ignition Coil V6 3.8L Supercharged (8th Vin Digit 1) ACDelco D555
  • 1995-2005 Buick Park Avenue Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1990 Buick Reatta Ignition Coil V6 3.8L (8th Vin Digit C) ACDelco D555
  • 1991 Buick Reatta Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1988-1989 Buick Regal Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1989-1993 Buick Regal Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 1990-1995 Buick Regal Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1994-1997 Buick Regal Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1996-2003 Buick Regal Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1997-2003 Buick Regal Ignition Coil V6 3.8L Supercharged (8th Vin Digit 1) ACDelco D555
  • 2002-2003 Buick Rendezvous Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 1986 Buick Riviera Ignition Coil V6 3.8L (8th Vin Digit B) ACDelco D555
  • 1987 Buick Riviera Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1990 Buick Riviera Ignition Coil V6 3.8L (8th Vin Digit C) ACDelco D555
  • 1991-1993 Buick Riviera Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1995-1999 Buick Riviera Ignition Coil V6 3.8L Supercharged (8th Vin Digit 1) ACDelco D555
  • 1995-1997 Buick Riviera Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1987-1989 Buick Skyhawk Ignition Coil L4 2.0L ACDelco D555
  • 1987-1991 Buick Skylark Ignition Coil L4 2.5L ACDelco D555
  • 1989-1993 Buick Skylark Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1994-1997 Buick Skylark Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1987 Buick Somerset Ignition Coil L4 2.5L ACDelco D555
  • 1993 Cadillac Allante Ignition Coil V8 4.6L ACDelco D555
  • 1987-1988 Cadillac Cimarron Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1996-1999 Cadillac Deville Ignition Coil V8 4.6L ACDelco D555
  • 1997 Cadillac Deville Ignition Coil V8 4.6L ACDelco D555
  • 1994-1999 Cadillac Eldorado Ignition Coil V8 4.6L ACDelco D555
  • 1993-1999 Cadillac Seville Ignition Coil V8 4.6L ACDelco D555
  • 1994-1999 Cadillac Seville Ignition Coil V8 4.6L ACDelco D555
  • 1987-1989 Chevy Beretta Ignition Coil L4 2.0L ACDelco D555
  • 1987-1989 Chevy Beretta Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1990-1993 Chevy Beretta Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 1990-1991 Chevy Beretta Ignition Coil L4 2.2L ACDelco D555
  • 1993-1996 Chevy Beretta Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1993-1995 Chevy Beretta Ignition Coil V6 3.1L ACDelco D555
  • 1994-1996 Chevy Beretta Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1993-1995 Chevy Camaro Ignition Coil V6 3.4L ACDelco D555
  • 1995-2002 Chevy Camaro Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1987-1989 Chevy Cavalier Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1989 Chevy Cavalier Ignition Coil L4 2.0L ACDelco D555
  • 1990-1994 Chevy Cavalier Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 1990-1991 Chevy Cavalier Ignition Coil L4 2.2L ACDelco D555
  • 1992-2002 Chevy Cavalier Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1987-1990 Chevy Celebrity Ignition Coil L4 2.5L (8th Vin Digit R) ACDelco D555
  • 1987-1989 Chevy Celebrity Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1989 Chevy Corsica Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1989 Chevy Corsica Ignition Coil L4 2.0L ACDelco D555
  • 1990-1993 Chevy Corsica Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 1990-1991 Chevy Corsica Ignition Coil L4 2.2L ACDelco D555
  • 1992-1996 Chevy Corsica Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1994-1996 Chevy Corsica Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1990-1995 Chevy Corvette Ignition Coil V8 5.7L ACDelco D555
  • 2000-2005 Chevy Impala Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 2000-2005 Chevy Impala Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 2004-2005 Chevy Impala Ignition Coil V6 3.8L Supercharged ACDelco D555
  • 1990-1994 Chevy Lumina Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 1990-1993 Chevy Lumina Ignition Coil L4 2.5L (8th Vin Digit R) ACDelco D555
  • 1992-1997 Chevy Lumina Ignition Coil V6 3.4L ACDelco D555
  • 1993 Chevy Lumina Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1995-1999 Chevy Lumina Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 2000-2001 Chevy Lumina Ignition Coil V6 3.1L ACDelco D555
  • 1992-1995 Chevy Lumina APV Ignition Coil V6 3.8L ACDelco D555
  • 1996 Chevy Lumina APV Ignition Coil V6 3.4L ACDelco D555
  • 1995-1998 Chevy Monte Carlo Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1995-1997 Chevy Monte Carlo Ignition Coil V6 3.4L ACDelco D555
  • 1999-2005 Chevy Monte Carlo Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 2000-2005 Chevy Monte Carlo Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 2004-2005 Chevy Monte Carlo Ignition Coil V6 3.8L Supercharged ACDelco D555
  • 1994-2000 Chevy S10 Pickup Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 2000-2002 Chevy S10 Pickup Ignition Coil L4 2.2L ACDelco D555
  • 1997-2004 Chevy Venture Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 1994-2000 GMC S-15 Sonoma Ignition Coil L4 2.2L ACDelco D555
  • 2000-2002 GMC S-15 Sonoma Ignition Coil L4 2.2L ACDelco D555
  • 1996-2000 Isuzu Hombre Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1993-1995 Isuzu Rodeo Ignition Coil V6 3.2L ACDelco D555
  • 1992-1995 Isuzu Trooper Ignition Coil V6 3.2L ACDelco D555
  • 1994 Olds 88 Ignition Coil V6 3.8L ACDelco D555
  • 1995-1996 Olds 88 Ignition Coil V6 3.8L ACDelco D555
  • 1995-1996 Olds 88 Ignition Coil V6 3.8L Supercharged ACDelco D555
  • 1996-1999 Olds 88 Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1986 Olds 98 Ignition Coil V6 3.8L (8th Vin Digit B) ACDelco D555
  • 1992-1995 Olds 98-Regency Ignition Coil V6 3.8L Supercharged ACDelco D555
  • 1992-1994 Olds 98-Regency Ignition Coil V6 3.8L ACDelco D555
  • 1995-1996 Olds 98-Regency Ignition Coil V6 3.8L ACDelco D555
  • 1992-1993 Olds Achieva Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1994-1998 Olds Achieva Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1999-2004 Olds Alero Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 1995-1999 Olds Aurora Ignition Coil V8 4.0L (8th Vin Digit C) ACDelco D555
  • 1987-1991 Olds Calais Ignition Coil L4 2.5L ACDelco D555
  • 1989-1991 Olds Calais Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1986-1988 Olds Ciera Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1987-1989 Olds Ciera Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1992 Olds Ciera Ignition Coil L4 2.5L (8th Vin Digit R) ACDelco D555
  • 1989-1993 Olds Ciera Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1993-1996 Olds Ciera Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1994-1996 Olds Ciera Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1998-1999 Olds Cutlass Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1987-1991 Olds Cutlass Calais Ignition Coil L4 2.5L ACDelco D555
  • 1989-1991 Olds Cutlass Calais Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1986-1988 Olds Cutlass Ciera Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1987-1989 Olds Cutlass Ciera Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1992 Olds Cutlass Ciera Ignition Coil L4 2.5L (8th Vin Digit R) ACDelco D555
  • 1989-1993 Olds Cutlass Ciera Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1993-1996 Olds Cutlass Ciera Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1994-1996 Olds Cutlass Ciera Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1987-1988 Olds Cutlass Cruiser Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1987-1988 Olds Cutlass Cruiser Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1988 Olds Cutlass Cruiser Ignition Coil L4 2.5L (8th Vin Digit R) ACDelco D555
  • 1991-1993 Olds Cutlass Cruiser Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1994-1996 Olds Cutlass Cruiser Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1988-1989 Olds Cutlass Supreme Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1989-1993 Olds Cutlass Supreme Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 1991-1996 Olds Cutlass Supreme Ignition Coil V6 3.4L ACDelco D555
  • 1993-1997 Olds Cutlass Supreme Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1986 Olds Delta 88 Ignition Coil V6 3.8L (8th Vin Digit B) ACDelco D555
  • 1988 Olds Delta 88 Ignition Coil V6 3.8L (8th Vin Digit C) ACDelco D555
  • 1988 Olds Delta 88 Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1999 Olds Delta 88 Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1992-1994 Olds Delta 88-Royale Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1995 Olds Delta 88-Royale Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1987 Olds Firenza Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1988 Olds Firenza Ignition Coil L4 2.0L ACDelco D555
  • 1998-1999 Olds Intrigue Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1997-1999 Olds LSS Ignition Coil V6 3.8L Supercharged (8th Vin Digit 1) ACDelco D555
  • 1997 Olds LSS Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1992-1995 Olds Silhouette Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1996-2004 Olds Silhouette Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 1986 Olds Toronado Ignition Coil V6 3.8L (8th Vin Digit B) ACDelco D555
  • 1991-1992 Olds Toronado Ignition Coil V6 3.8L ACDelco D555
  • 1987-1989 Pontiac 6000 Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1987-1991 Pontiac 6000 Ignition Coil L4 2.5L (8th Vin Digit R) ACDelco D555
  • 1988-1991 Pontiac 6000 Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 2001-2004 Pontiac Aztek Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 1987-1988 Pontiac Bonneville Ignition Coil V6 3.8L (8th Vin Digit 3) ACDelco D555
  • 1988 Pontiac Bonneville Ignition Coil V6 3.8L (8th Vin Digit C) ACDelco D555
  • 1992-1994 Pontiac Bonneville Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1992-2003 Pontiac Bonneville Ignition Coil V6 3.8L Supercharged (8th Vin Digit 1) ACDelco D555
  • 1995-2003 Pontiac Bonneville Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1987-1988 Pontiac Fiero Ignition Coil L4 2.5L (8th Vin Digit R) ACDelco D555
  • 1993-1995 Pontiac Firebird Ignition Coil V6 3.4L ACDelco D555
  • 1995-2002 Pontiac Firebird Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1987-1991 Pontiac Grand Am Ignition Coil L4 2.5L ACDelco D555
  • 1992-1993 Pontiac Grand Am Ignition Coil V6 3.3L (8th Vin Digit N) ACDelco D555
  • 1994-1998 Pontiac Grand Am Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1999-2004 Pontiac Grand Am Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 1988-1989 Pontiac Grand Prix Ignition Coil V6 2.8L (8th Vin Digit W) ACDelco D555
  • 1989-1990 Pontiac Grand Prix Ignition Coil V6 3.1L ACDelco D555
  • 1989-1993 Pontiac Grand Prix Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 1991-1996 Pontiac Grand Prix Ignition Coil V6 3.4L ACDelco D555
  • 1994-2000 Pontiac Grand Prix Ignition Coil V6 3.1L (8th Vin Digit M) ACDelco D555
  • 1997-2003 Pontiac Grand Prix Ignition Coil V6 3.8L (8th Vin Digit K) ACDelco D555
  • 1997-2003 Pontiac Grand Prix Ignition Coil V6 3.8L Supercharged (8th Vin Digit 1) ACDelco D555
  • 2000-2003 Pontiac Grand Prix Ignition Coil V6 3.1L ACDelco D555
  • 2004 Pontiac Grand Prix Ignition Coil V6 3.8L Supercharged ACDelco D555
  • 2004 Pontiac Grand Prix Ignition Coil V6 3.8L ACDelco D555
  • 1999-2004 Pontiac Montana Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555
  • 1991-1994 Pontiac Sunbird Ignition Coil V6 3.1L (8th Vin Digit T) ACDelco D555
  • 1995-2002 Pontiac Sunfire Ignition Coil L4 2.2L (8th Vin Digit 4) ACDelco D555
  • 1992-1995 Pontiac Trans Sport Ignition Coil V6 3.8L (8th Vin Digit L) ACDelco D555
  • 1996-1998 Pontiac Trans Sport Ignition Coil V6 3.4L (8th Vin Digit E) ACDelco D555

This part replaces:

  • ACDelco D555
Part #: 1AACD00044

Ships Same Day for orders placed by 4 P.M. ET

AC DELCO
Brand #: D555

How-to Video:

(02:56 min)