Carlson H1566 Drum Brake Adjusting Screw Assembly - Rear Left
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Carlson

Carlson H1566 Drum Brake Adjusting Screw Assembly - Rear Left

Brand Carlson H1566
Position Rear Left
Fits Chevrolet, Isuzu, Pontiac, GMC, Oldsmobile, and Buick · 139 vehicles

Brake adjusting screw assembly. Restores smooth, reliable drum brake adjustment.

Made for coordinated brake system performance.

$18.93Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Select your vehicle to confirm fitment
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Step 2 — Quantity
Drum Brake Adjusting Screw Assemblys are typically replaced in pairs, axle by axle.
Order total $18.93
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Carlson H1566 Drum Brake Adjusting Screw Assembly

Carlson H1566 is a drum brake adjusting screw assembly for rear left applications that rely on a 9.5" x 2" drum brake setup. It is built for vehicles where the brake system depends on precise self-adjuster function and consistent shoe adjustment.

  • Drum brake adjusting screw assembly for rear left position
  • Designed for 9.5" x 2" drum brake systems
  • Fits a wide range of Chevrolet, GMC, Pontiac, Buick, Oldsmobile, and Isuzu applications
  • Direct-fit replacement for select rear drum brake service needs
  • Part number H1566 for application matching and catalog lookup

Fitment Coverage

  • Fits 1990-2002 Chevrolet Astro, rear left
  • Fits 1996-2000 Isuzu Hombre, rear left
  • Fits 1993-1997 Chevrolet Camaro, rear left
  • Fits 1993-1997 Pontiac Firebird, rear left
  • Fits 1995-1996 Chevrolet Blazer, rear left
  • Fits 1994-1996 Chevrolet Caprice, rear left
  • Fits 1991-1996 Chevrolet S10, rear left
  • Fits 1992-1996 GMC Jimmy, rear left
  • Fits 1991-1996 GMC Sonoma, rear left
  • Fits 1996 Oldsmobile Bravada, rear left
  • Fits 1991-1994 Oldsmobile Bravada, rear left
  • Fits 1991-1994 Chevrolet S10 Blazer, rear left
  • Fits 1985-1992 Chevrolet Camaro, rear left
  • Fits 1985-1992 Pontiac Firebird, rear left
  • Fits 1985-1991 GMC S15 Jimmy, rear left
  • Fits 1985-1990 Chevrolet S10, rear left
  • Fits 1985-1990 Chevrolet S10 Blazer, rear left
  • Fits 1985-1990 GMC S15, rear left
  • Fits 1985-1989 Chevrolet Astro, rear left
  • Fits 1985-1989 GMC Safari, rear left
  • Fits 1985-1988 Chevrolet Monte Carlo, rear left
  • Fits 1985-1988 Oldsmobile Cutlass Supreme, rear left
  • Fits 1985-1987 Buick Regal, rear left
  • Fits 1985-1987 Chevrolet El Camino, rear left
  • Fits 1985-1987 Oldsmobile Cutlass, rear left
  • Fits 1985-1987 Pontiac Grand Prix, rear left
  • Fits 1986 Chevrolet Caprice, rear left
  • Fits 1985-1986 Pontiac Bonneville, rear left
  • Fits 1985-1986 Pontiac Parisienne, rear left
  • Fits 1985 Buick LeSabre, rear left
  • Fits 1985 Oldsmobile 98, rear left
  • Fits 1985 Oldsmobile Custom Cruiser, rear left
  • Fits 1985 Oldsmobile Delta 88, rear left

What This Part Helps Address

  • Rear drum brake adjustment that no longer holds proper shoe position
  • Worn or damaged self-adjuster hardware in the rear left brake assembly
  • Uneven brake shoe contact in 9.5" x 2" drum brake systems
  • Brake service on Chevrolet S10, Camaro, Astro, and related GM platforms
  • Restoration or repair of drum brake hardware on older rear brake systems

Installation Notes

Verify the vehicle year, make, model, and rear left brake configuration before ordering. This part is listed for specific 9.5" x 2" drum brake applications, and several fitments include notes that require confirmation of the brake system before purchase. Match the existing hardware layout and dimensions to the catalog listing for proper application.

Quality Assurance

Carlson manufactures brake hardware with attention to system-level fit and function. H1566 is cataloged for direct application matching across the listed Chevrolet, GMC, Pontiac, Buick, Oldsmobile, and Isuzu rear drum brake platforms.

This part fits 139 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002ChevroletAstroRear Left651/514
2001ChevroletAstroRear Left651/514
2000ChevroletAstroRear Left651/514
2000IsuzuHombreRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1999ChevroletAstroRear Left651/514
1999IsuzuHombreRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1998ChevroletAstroRear Left651/514
1998IsuzuHombreRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1997ChevroletAstroRear Left651/514
1997ChevroletCamaroRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1997IsuzuHombreRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1997PontiacFirebirdRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1996ChevroletAstroRear Left651/514
1996ChevroletBlazerRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1996ChevroletCamaroRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1996ChevroletCapriceRear LeftCompatible with drum brake adjusting screw assembly for 9.5" brakes; 650 line size.
1996ChevroletS10Rear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1996GMCJimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1996GMCSonomaRear Left9.5" x 2" Drum Brake Adjusting Spring Kit - 651
1996IsuzuHombreRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1996OldsmobileBravadaRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1996PontiacFirebirdRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1995ChevroletAstroRear Left651/514
1995ChevroletBlazerRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1995ChevroletCamaroRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1995ChevroletCapriceRear LeftCompatible with drum brake adjusting screw assembly for 9.5" brakes; 650 line size.
1995ChevroletS10Rear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1995GMCJimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1995GMCSonomaRear Left9.5" x 2" Drum Brake Adjusting Spring Kit - 651
1995PontiacFirebirdRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1994ChevroletAstroRear Left651/514
1994ChevroletCamaroRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1994ChevroletCapriceRear LeftCompatible with drum brake adjusting screw assembly for 9.5" brakes; 650 line size.
1994ChevroletS10Rear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1994ChevroletS10 BlazerRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1994GMCJimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1994GMCSonomaRear Left9.5" x 2" Drum Brake Adjusting Spring Kit - 651
1994OldsmobileBravadaRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1994PontiacFirebirdRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1993ChevroletAstroRear Left651/514
1993ChevroletCamaroRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1993ChevroletS10Rear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1993ChevroletS10 BlazerRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1993GMCJimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1993GMCSonomaRear Left9.5" x 2" Drum Brake Adjusting Spring Kit - 651
1993OldsmobileBravadaRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1993PontiacFirebirdRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1992ChevroletAstroRear Left651/514
1992ChevroletCamaroRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1992ChevroletS10Rear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1992ChevroletS10 BlazerRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1992GMCJimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1992GMCSonomaRear Left9.5" x 2" Drum Brake Adjusting Spring Kit - 651
1992OldsmobileBravadaRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1992PontiacFirebirdRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1991ChevroletAstroRear Left651/514
1991ChevroletCamaroRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1991ChevroletS10Rear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1991ChevroletS10 BlazerRear LeftFitment note: Fits various drum brake systems; please verify compatibility before purchasing.
1991GMCS15 JimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1991GMCSonomaRear Left9.5" x 2" Drum Brake Adjusting Spring Kit - 651
1991OldsmobileBravadaRear LeftFitment: 9.5" x 2" Drum Brake Shoe C-Washer, 651
1991PontiacFirebirdRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1990ChevroletAstroRear Left651/514
1990ChevroletCamaroRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1990ChevroletS10Rear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1990ChevroletS10 BlazerRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1990GMCS15Rear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1990GMCS15 JimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1990PontiacFirebirdRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1989ChevroletAstroRear LeftDrum Brake Adjusting Spring Kit for Parking Brake Strut Spring and Self-Adjuster Repair.
1989ChevroletCamaroRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1989ChevroletS10Rear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1989ChevroletS10 BlazerRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1989GMCS15Rear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1989GMCS15 JimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1989GMCSafariRear LeftCompatible with 9.5" x 2" brakes and 242 model.
1989PontiacFirebirdRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1988ChevroletAstroRear LeftDrum Brake Adjusting Spring Kit for Parking Brake Strut Spring and Self-Adjuster Repair.
1988ChevroletCamaroRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1988ChevroletMonte CarloRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1988ChevroletS10Rear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1988ChevroletS10 BlazerRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1988GMCS15Rear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1988GMCS15 JimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1988GMCSafariRear LeftCompatible with 9.5" x 2" brakes and 242 model.
1988OldsmobileCutlass SupremeRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1988PontiacFirebirdRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1987BuickRegalRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1987ChevroletAstroRear LeftDrum Brake Adjusting Spring Kit for Parking Brake Strut Spring and Self-Adjuster Repair.
1987ChevroletCamaroRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1987ChevroletEl CaminoRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1987ChevroletMonte CarloRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1987ChevroletS10Rear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1987ChevroletS10 BlazerRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1987GMCS15Rear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1987GMCS15 JimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1987GMCSafariRear LeftCompatible with 9.5" x 2" brakes and 242 model.
1987OldsmobileCutlassRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1987OldsmobileCutlass SupremeRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1987PontiacFirebirdRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1987PontiacGrand PrixRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1986BuickRegalRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1986ChevroletAstroRear LeftDrum Brake Adjusting Spring Kit for Parking Brake Strut Spring and Self-Adjuster Repair.
1986ChevroletCamaroRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1986ChevroletCapriceRear LeftCompatible with Drum Brake Adjusting Screw Assembly on vehicles equipped with 9.5" brakes and 242 model.
1986ChevroletEl CaminoRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1986ChevroletMonte CarloRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1986ChevroletS10Rear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1986ChevroletS10 BlazerRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1986GMCS15Rear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1986GMCS15 JimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1986GMCSafariRear LeftCompatible with 9.5" x 2" brakes and 242 model.
1986OldsmobileCutlassRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1986OldsmobileCutlass SupremeRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1986PontiacBonnevilleRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1986PontiacFirebirdRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1986PontiacGrand PrixRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1986PontiacParisienneRear LeftFitment: For 9.5" x 2" drum brakes with 242 size.
1985BuickLeSabreRear LeftFitment: with 9.5" Drum Brakes; 242
1985BuickRegalRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1985ChevroletAstroRear LeftDrum Brake Adjusting Spring Kit for Parking Brake Strut Spring and Self-Adjuster Repair.
1985ChevroletCamaroRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1985ChevroletEl CaminoRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1985ChevroletMonte CarloRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1985ChevroletS10Rear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1985ChevroletS10 BlazerRear Left514 - Verify part number and dimensions before ordering to ensure proper fitment.
1985GMCS15Rear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1985GMCS15 JimmyRear LeftFits Drum Brake Adjusting Spring Kit for 9.5" x 2" Brakes with 514 model number.
1985GMCSafariRear LeftCompatible with 9.5" x 2" brakes and 242 model.
1985Oldsmobile98Rear LeftFits Drum Brake Shoe C-Washer for 9.5" x 2" Brakes.
1985OldsmobileCustom CruiserRear LeftFits drums with 9.5" x 2" brakes, compatible with 650 model.
1985OldsmobileCutlassRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1985OldsmobileCutlass SupremeRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1985OldsmobileDelta 88Rear LeftFits Drum Brake Shoe C-Washer for 9.5" x 2" Brakes.
1985PontiacBonnevilleRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1985PontiacFirebirdRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1985PontiacGrand PrixRear LeftFits 9.5" x 2" Drum Brake Shoe C-Washer PN 514.
1985PontiacParisienneRear LeftFitment: For 9.5" x 2" drum brakes with 242 size.