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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Disc Brake Caliper Seal Kit – Front

PART#: 18H21
ACDelco

$5.66

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2009BuickLaCrosseCX3.8V6GASFront
2009BuickLaCrosseCXL3.8V6GASFront
2008BuickLaCrosseCX3.8V6GASFront
2008BuickLaCrosseCXL3.8V6GASFront
2008BuickLaCrosseCXS3.6V6GASFront
2008ChevroletUplanderLT3.9V6FLEXFront
2008ChevroletUplanderLS3.9V6FLEXFront
2008ChevroletUplanderLT3.9V6GASFront
2008ChevroletUplanderBase3.9V6GASFront
2008ChevroletUplanderBase3.9V6FLEXFront
2008ChevroletUplanderLS3.9V6GASFront
2008PontiacGrand PrixBase3.8V6GASFront
2007BuickTerrazaCXL3.9V6FLEXFront
2007BuickTerrazaCX3.9V6GASFront
2007BuickTerrazaCX3.9V6FLEXFront
2007BuickTerrazaCXL3.9V6GASFront
2007BuickLaCrosseCXL3.8V6GASFront
2007BuickLaCrosseCXS3.6V6GASFront
2007BuickLaCrosseCX3.8V6GASFront
2007ChevroletUplanderBase3.9V6GASFront
2007ChevroletUplanderLS3.9V6FLEXFront
2007ChevroletUplanderLT3.9V6GASFront
2007ChevroletUplanderBase3.9V6FLEXFront
2007ChevroletUplanderLS3.9V6GASFront
2007ChevroletUplanderLT3.9V6FLEXFront
2007PontiacGrand PrixBase3.8V6GASFront
2007PontiacGrand PrixGT3.8V6GASFront
2007SaturnRelay23.9V6FLEXFront
2007SaturnRelay23.9V6GASFront
2007SaturnRelay13.9V6FLEXFront
2007SaturnRelay13.9V6GASFront
2007SaturnRelay33.9V6GASFront
2007SaturnRelay33.9V6FLEXFront
2006BuickLaCrosseCXL3.8V6GASFront
2006BuickLaCrosseCXS3.6V6GASFront
2006BuickLaCrosseCX3.8V6GASFront
2006BuickTerrazaCXL3.9V6GASFront
2006BuickTerrazaCXL3.5V6GASFront
2006BuickTerrazaCX3.9V6GASFront
2006BuickTerrazaCX3.5V6GASFront
2006ChevroletUplanderLT3.5V6GASFront
2006ChevroletUplanderBase3.5V6GASFront
2006ChevroletUplanderLS3.5V6GASFront
2006ChevroletUplanderLT3.9V6GASFront
2006PontiacGrand PrixBase3.8V6GASFront
2006PontiacGrand PrixGT3.8V6GASFront
2006PontiacMontanaSV63.9V6GASFront
2006PontiacMontanaSV63.5V6GASFront
2006SaturnRelay33.9V6GASFront
2006SaturnRelay23.5V6GASFront
2006SaturnRelay33.5V6GASFront
2005BuickPark AvenueUltra3.8V6GASFront
2005BuickPark AvenueBase3.8V6GASFront
2005BuickCenturyCustom3.1V6GASFront
2005BuickCenturyLimited3.1V6GASFront
2005BuickCenturySpecial Edition3.1V6GASFront
2005BuickLeSabreCustom3.8V6GASFrontw/ 16" Wheels
2005BuickLeSabreLimited3.8V6GASFrontw/ 16" Wheels
2005BuickTerrazaCX3.5V6GASFront
2005BuickTerrazaCXL3.5V6GASFront
2005BuickLaCrosseCX3.8V6GASFront
2005BuickLaCrosseCXL3.8V6GASFront
2005BuickLaCrosseCXS3.6V6GASFront
2005CadillacDeVilleDTS4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2005CadillacDeVilleProtection Series4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2005CadillacDeVilleBase4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2005CadillacDeVilleDHS4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2005ChevroletImpalaPolice3.8V6GASFrontw/ 15" Wheels; w/ 16" Wheels
2005ChevroletImpalaSS3.8V6GASFrontw/ 15" Wheels; w/ 16" Wheels
2005ChevroletImpalaBase3.4V6GASFrontw/ 15" Wheels; w/ 16" Wheels
2005ChevroletImpalaLS3.8V6GASFrontw/ 15" Wheels; w/ 16" Wheels
2005ChevroletImpalaBase3.8V6GASFrontw/ 15" Wheels; w/ 16" Wheels
2005ChevroletMonte CarloSS3.8V6GASFront
2005ChevroletMonte CarloLT3.8V6GASFront
2005ChevroletMonte CarloLS3.4V6GASFront
2005ChevroletVentureLS3.4V6GASFront | FWD;
2005ChevroletVenturePlus3.4V6GASFront | FWD;
2005ChevroletVentureLT3.4V6GASFront | FWD;
2005ChevroletUplanderLT3.5V6GASFront
2005ChevroletUplanderBase3.5V6GASFront
2005ChevroletUplanderLS3.5V6GASFront
2005PontiacGrand PrixGTP3.8V6GASFront
2005PontiacGrand PrixGT3.8V6GASFront
2005PontiacGrand PrixBase3.8V6GASFront
2005PontiacMontanaBase3.4V6GASFront
2005PontiacMontanaSV63.5V6GASFront
2005PontiacBonnevilleSLE3.8V6GASFrontw/ 15" Wheels; w/ 16" Wheels
2005PontiacBonnevilleSE3.8V6GASFrontw/ 15" Wheels; w/ 16" Wheels
2005SaturnRelay33.5V6GASFront
2005SaturnRelay23.5V6GASFront
2004BuickCenturyCustom3.1V6GASFront
2004BuickCenturyLimited3.1V6GASFront
2004BuickLeSabreLimited3.8V6GASFront
2004BuickLeSabreCustom3.8V6GASFront
2004BuickPark AvenueUltra3.8V6GASFront
2004BuickPark AvenueBase3.8V6GASFront
2004BuickRegalLS3.8V6GASFront
2004BuickRegalGS3.8V6GASFront
2004CadillacDeVilleDTS4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2004CadillacDeVilleBase4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2004CadillacDeVilleProtection Series4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2004CadillacDeVilleDHS4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2004CadillacSevilleSLS4.6V8GASFront
2004ChevroletImpalaLS3.8V6GASFront
2004ChevroletImpalaBase3.4V6GASFront
2004ChevroletImpalaPolice3.8V6GASFront
2004ChevroletImpalaSS3.8V6GASFront
2004ChevroletImpalaBase3.8V6GASFront
2004ChevroletMonte CarloSS3.8V6GASFront
2004ChevroletMonte CarloLS3.4V6GASFront
2004ChevroletVenturePlus3.4V6GASFront | FWD;
2004ChevroletVentureLS3.4V6GASFront | FWD;
2004ChevroletVentureLT3.4V6GASFront | FWD;
2004OldsmobileSilhouetteGL3.4V6GASFront | FWD;
2004OldsmobileSilhouetteGLS3.4V6GASFront | FWD;
2004OldsmobileSilhouettePremiere3.4V6GASFront | FWD;
2004PontiacGrand PrixGT13.8V6GASFront
2004PontiacGrand PrixGT23.8V6GASFront
2004PontiacGrand PrixGTP3.8V6GASFront
2004PontiacMontanaBase3.4V6GASFront
2004PontiacBonnevilleSE3.8V6GASFront
2004PontiacBonnevilleSLE3.8V6GASFront
2003BuickCenturyCustom3.1V6GASFront
2003BuickLeSabreLimited3.8V6GASFront
2003BuickLeSabreCustom3.8V6GASFront
2003BuickPark AvenueUltra3.8V6GASFront
2003BuickPark AvenueBase3.8V6GASFront
2003BuickRegalGS3.8V6GASFront
2003BuickRegalLS3.8V6GASFront
2003CadillacDeVilleDHS4.6V8GASFront
2003CadillacDeVilleBase4.6V8GASFront
2003CadillacDeVilleDTS4.6V8GASFront
2003CadillacSevilleSTS4.6V8GASFront
2003CadillacSevilleSLS4.6V8GASFront
2003ChevroletImpalaBase3.8V6GASFront
2003ChevroletImpalaLS3.8V6GASFront
2003ChevroletImpalaPolice3.8V6GASFront
2003ChevroletImpalaLS Sport3.8V6GASFront
2003ChevroletImpalaBase3.4V6GASFront
2003ChevroletMonte CarloLS Competition3.4V6GASFront
2003ChevroletMonte CarloSS High Sport3.8V6GASFront
2003ChevroletMonte CarloSS Pace Car3.8V6GASFront
2003ChevroletMonte CarloLS Sport3.4V6GASFront
2003ChevroletMonte CarloSS3.8V6GASFront
2003ChevroletMonte CarloLS3.4V6GASFront
2003ChevroletBlazerXtreme4.3V6GASFrontw/ Rear Drum Brakes
2003ChevroletBlazerZR24.3V6GASFrontw/ Rear Drum Brakes
2003ChevroletBlazerLS4.3V6GASFrontw/ Rear Drum Brakes
2003ChevroletS10ZR24.3V6GASFrontFront Disc Brakes; Rear Drum Brakes | RWD;
2003ChevroletS10ZR54.3V6GASFrontFront Disc Brakes; Rear Drum Brakes | RWD;
2003ChevroletS10Base2.2L4GASFrontFront Disc Brakes; Rear Drum Brakes | RWD;
2003ChevroletS10Xtreme2.2L4GASFrontFront Disc Brakes; Rear Drum Brakes | RWD;
2003ChevroletS10LS2.2L4GASFrontFront Disc Brakes; Rear Drum Brakes | RWD;
2003ChevroletS10Xtreme4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes | RWD;
2003ChevroletS10Base4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes | RWD;
2003ChevroletS10LS4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes | RWD;
2003ChevroletVenturePlus3.4V6GASFront
2003ChevroletVentureLS3.4V6GASFront
2003ChevroletVentureLT3.4V6GASFront
2003ChevroletVentureWarner Bros.3.4V6GASFront
2003ChevroletVentureValue3.4V6GASFront
2003GMCSonomaSLS4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2003GMCSonomaSLS2.2L4GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2003GMCSonomaSL2.2L4GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2003GMCSonomaSL4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2003OldsmobileAuroraBase4.0V8GASFront
2003OldsmobileSilhouetteGLS3.4V6GASFront | FWD;
2003OldsmobileSilhouetteGL3.4V6GASFront | FWD;
2003OldsmobileSilhouettePremiere3.4V6GASFront | FWD;
2003PontiacBonnevilleSE3.8V6GASFront
2003PontiacBonnevilleSSEi3.8V6GASFront
2003PontiacBonnevilleSLE3.8V6GASFront
2003PontiacGrand PrixSE3.1V6GASFront
2003PontiacGrand PrixGTP3.8V6GASFront
2003PontiacGrand PrixGT3.8V6GASFront
2003PontiacMontanaBase3.4V6GASFront
2002BuickCenturyLimited3.1V6GASFront
2002BuickCenturyCustom3.1V6GASFront
2002BuickLeSabreLimited3.8V6GASFront
2002BuickLeSabreCustom3.8V6GASFront
2002BuickPark AvenueBase3.8V6GASFront
2002BuickPark AvenueUltra3.8V6GASFront
2002BuickRegalLS3.8V6GASFront
2002BuickRegalGS3.8V6GASFront
2002CadillacDeVilleDTS4.6V8GASFront5 Stud Rotor; GM Brake Code JL9
2002CadillacDeVilleBase4.6V8GASFront5 Stud Rotor; GM Brake Code JL9
2002CadillacDeVilleDHS4.6V8GASFront5 Stud Rotor; GM Brake Code JL9
2002CadillacEldoradoESC4.6V8GASFront
2002CadillacEldoradoETC4.6V8GASFront
2002CadillacSevilleSTS4.6V8GASFront
2002CadillacSevilleSLS4.6V8GASFront
2002ChevroletImpalaBase3.8V6GASFront
2002ChevroletImpalaBase3.4V6GASFront
2002ChevroletImpalaLS3.8V6GASFront
2002ChevroletMonte CarloSS3.8V6GASFront
2002ChevroletMonte CarloSS 35th Anniversary Edition3.8V6GASFront
2002ChevroletMonte CarloLS3.4V6GASFront
2002ChevroletMonte CarloSS Dale Earnhardt Signature Edition3.8V6GASFront
2002ChevroletBlazerXtreme4.3V6GASFrontRear Drum Brakes
2002ChevroletBlazerLS4.3V6GASFrontRear Drum Brakes
2002ChevroletS10Xtreme4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002ChevroletS10ZR24.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002ChevroletS10ZR54.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002ChevroletS10Base4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002ChevroletS10LS2.2L4FLEXFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002ChevroletS10Base2.2L4FLEXFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002ChevroletS10Xtreme2.2L4FLEXFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002ChevroletS10LS4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002ChevroletVentureLS3.4V6GASFront
2002ChevroletVenturePlus3.4V6GASFront
2002ChevroletVentureValue3.4V6GASFront
2002ChevroletVentureLT3.4V6GASFront
2002ChevroletVentureBase3.4V6GASFront
2002ChevroletVentureWarner Bros.3.4V6GASFront
2002GMCSonomaSL4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002GMCSonomaSL2.2L4FLEXFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002GMCSonomaSLS2.2L4FLEXFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002GMCSonomaSLS4.3V6GASFrontFront Disc Brakes; Rear Drum Brakes; w/ Rear Drum Brakes | RWD;
2002OldsmobileAuroraBase3.5V6GASFront
2002OldsmobileAuroraBase4.0V8GASFront
2002OldsmobileIntrigueGL3.5V6GASFront
2002OldsmobileIntrigueGLS3.5V6GASFront
2002OldsmobileIntrigueGX3.5V6GASFront
2002OldsmobileSilhouetteGL3.4V6GASFront | FWD;
2002OldsmobileSilhouetteGLS3.4V6GASFront | FWD;
2002OldsmobileSilhouettePremiere3.4V6GASFront | FWD;
2002PontiacBonnevilleSE3.8V6GASFront
2002PontiacBonnevilleSLE3.8V6GASFront
2002PontiacBonnevilleSSEi3.8V6GASFront
2002PontiacGrand PrixGT3.8V6GASFront
2002PontiacGrand PrixGTP3.8V6GASFront
2002PontiacGrand PrixSE3.1V6GASFront
2002PontiacGrand PrixSE3.8V6GASFront
2002PontiacMontanaBase3.4V6GASFront
2001BuickCenturyCustom3.1V6GASFront
2001BuickCenturyLimited3.1V6GASFront
2001BuickLeSabreLimited3.8V6GASFront
2001BuickLeSabreCustom3.8V6GASFront
2001BuickPark AvenueUltra3.8V6GASFront
2001BuickPark AvenueBase3.8V6GASFront
2001BuickRegalGS3.8V6GASFront
2001BuickRegalLS3.8V6GASFront
2001CadillacDeVilleBase4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2001CadillacDeVilleDHS4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2001CadillacDeVilleDTS4.6V8GASFront5 Stud Rotor; GM Brake Code JL9; w/o Heavy Duty Brakes
2001CadillacEldoradoETC4.6V8GASFront
2001CadillacEldoradoESC4.6V8GASFront
2001CadillacSevilleSLS4.6V8GASFront
2001CadillacSevilleSTS4.6V8GASFront
2001ChevroletImpalaBase3.8V6GASFront
Product info

The ACDelco Disc Brake Caliper Seal Kit part number 18H21 is an essential component for the efficient functioning of your Buick, Cadillac, Chevrolet, and GMC vehicle’s brake system.

This seal kit is designed to prevent any leakage of brake fluid from the caliper piston, ensuring that your vehicle stops smoothly and efficiently when you hit the brakes. The kit is made of high-quality materials that are durable and long-lasting, giving you a reliable performance over a long period of time.

With this seal kit, you can rest assured that your vehicle’s brake system is operating at its optimal level, providing you with the peace of mind you need when driving. The kit is easy to install, and comes with everything you need to get started right away.

In summary, the ACDelco Disc Brake Caliper Seal Kit part number 18H21 is an essential component for your vehicle’s brake system. It is made of high-quality materials, is easy to install, and is designed to prevent any leakage of brake fluid from the caliper piston. Get yours today and enjoy a smooth and efficient driving experience.

About ACDelco

When it comes to top-notch auto parts, one brand that stands tall is ACDelco. Popular for its commitment to quality and innovation, ACDelco has been a trusted name in the automotive industry. At Newparts.com, we're proud to offer a wide selection of ACDelco auto parts, including ACDelco spark plugs, ACDelco alternators, and ACDelco air filters, and other ACDelco parts, all at discounted prices.

ACDelco spark plugs are engineered to deliver exceptional performance and reliability, ensuring optimal engine operation and fuel efficiency. Whether you're cruising down the highway or navigating city streets, you can trust ACDelco spark plugs to keep your engine firing on all cylinders.

When it comes to power generation, ACDelco alternators are second to none. Designed to withstand the challenges of daily driving, ACDelco alternators deliver consistent power output to keep your vehicle's electrical systems running smoothly. With ACDelco alternators from Newparts.com, you can count on reliable performance mile after mile.

In addition to spark plugs and alternators, we also offer a range of ACDelco air filters to help keep your engine breathing clean, fresh air. ACDelco air filters are designed to trap dirt, dust, and other contaminants, preventing them from entering your engine and causing damage. With a high-quality ACDelco air filter from Newparts.com, you can enjoy improved engine performance and extended engine life.

At Newparts.com, we understand that getting the right parts quickly is essential. That's why we offer fast shipping on all ACDelco auto parts, so you can get back on the road with confidence. Plus, with our discounted prices, you can save big on the parts you need to keep your vehicle running smoothly. In case you want to purchase parts by phone, feel free to call us at 855-505-2886 and our customer service team will help you out. 

Whether you're in need of spark plugs, alternators, air filters, or any other ACDelco auto parts, Newparts.com has you covered. Shop our selection today and experience the quality and reliability of ACDelco for yourself.

Specifications
Yes
O-Ring MaterialRubber
Seal ColorBlack
Universal Or Specific FitSpecific
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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