2003 GMC Sierra 1500 HD Transit Auto Parts

Choose your Drive Type for your 2003 GMC Sierra 1500 HD


Showing 1 - 10 of 185 products
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Transit Auto
  • Transit Auto offers the most comprehensible brake kits on the market. The unmatched braking performance coupled with longer lasting components make our brake kits the best sellers in every category. Transit Auto kits are the go-to kits for thousands of reputed mechanical shops in North America and are now available to customers.
  • Transit Auto
  • Features:
    • Exclusive G-Coating avoids corrosion
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • INCLUDES: 2x Front Coated Genius Disc Brake Rotor (Both Side) + 1x Front Ceramic AmeriBRAKES Brake Pad Set (Hardware Included) + 2x Rear Coated Genius Disc Brake Rotor (Both Side) + 1x Rear Semi-Metallic AmeriBRAKES Brake Pad Set (Hardware Included)
    • Kit variations : K8A-102068 K8A-102069 K8A-102070 K8A-102071 K8C-101036 K8F-100741 K8S-100771 K8T-100788 KDA-100880 KDA-100881 KDA-100882 KDA-100883 KDA-102873 KDA-102874 KDC-100678 KDF-100188 KDS-100175 KDT-100193 KGA-101581 KGA-101582 KGA-101583 KG

This Part Fits the Following OEM/Substitute Numbers:
120.66042, 120.66043, 120.66059, 121.66042, 121.66043, 121.66059, 125656, 126036, 24886829, 24886830, 248880000, 2488821030, 4886829, 4886830, 48880000, 488821030, 55056, 55057...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front and Rear

Transit Auto
Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front

Transit Auto
  • Transit Auto offers the most comprehensible brake kits on the market. The unmatched braking performance coupled with longer lasting components make our brake kits the best sellers in every category. Transit Auto kits are the go-to kits for thousands of reputed mechanical shops in North America and are now available to customers.
  • Transit Auto
  • Features:
    • Exclusive G-Coating avoids corrosion
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • Exclusive carbon enhanced materials to ensure optimal all-condition performance
    • INCLUDES: 2x Rear Coated Genius Disc Brake Rotor (Both Side) + 1x Rear Ceramic AmeriBRAKES Brake Pad Set (Hardware Included)
    • Kit variations : K8A-100497 K8A-100499 K8C-101835 K8F-101509 K8S-101522 K8T-101631 KC8-100342T KC8-100358S KC8-100535C KC8-100703P KC8-101057N KC8-101058N KCD-100624S KCD-100633C KCD-100639P KCD-100644T KCD-101655N KCD-101656N KCG-100071T KCG-100090S

This Part Fits the Following OEM/Substitute Numbers:
120.66043, 121.66043, 125656, 24886830, 4886830, 55057, 55410, 56830, 74886830, 7653, 785, AD7653, BD125656, BD125656E, BR55057, D785, FT7653, PF7653M...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Rear

Transit Auto
  • Transit Auto offers the most comprehensible brake kits on the market. The unmatched braking performance coupled with longer lasting components make our brake kits the best sellers in every category. Transit Auto kits are the go-to kits for thousands of reputed mechanical shops in North America and are now available to customers.
  • Transit Auto
  • Features:
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • Manufactured with multiple alloys for improved heat dissipation and performance
    • Exclusive carbon enhanced materials to ensure optimal all-condition performance
    • INCLUDES: 2x Front Top Quality Disc Brake Rotor (Both Side) + 1x Front Semi-Metallic AmeriBRAKES Brake Pad Set (Hardware Included)
    • Kit variations : K8A-104579 K8C-100135 K8F-100021 K8S-100024 K8T-100021 KDA-100459 KDA-100460 KDA-102786 KDC-100183 KDF-100001 KDS-100001 KDT-100001 KGA-100432 KGA-100433 KGA-105632 KGC-100328 KGF-100012 KGS-100014 KGT-100013

This Part Fits the Following OEM/Substitute Numbers:
120.66042, 120.66059, 121.66042, 121.66059, 126036, 24886829, 248880000, 2488821030, 4886829, 48880000, 488821030, 55056, 55072, 55430, 56829, 580000, 74886829, 748880000...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front

Transit Auto
  • Transit Auto offers the most comprehensible brake kits on the market. The unmatched braking performance coupled with longer lasting components make our brake kits the best sellers in every category. Transit Auto kits are the go-to kits for thousands of reputed mechanical shops in North America and are now available to customers.
  • Transit Auto
  • Features:
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • Manufactured with multiple alloys for improved heat dissipation and performance
    • Exclusive carbon enhanced materials to ensure optimal all-condition performance
    • INCLUDES: 2x Front Top Quality Disc Brake Rotor (Both Side) + 1x Front Ceramic AmeriBRAKES Brake Pad Set (Hardware Included)
    • Kit variations : K8A-104577 K8C-100135 K8F-100021 K8S-100024 K8T-100021 KDA-100459 KDA-100460 KDA-102786 KDC-100183 KDF-100001 KDS-100001 KDT-100001 KGA-100432 KGA-100433 KGA-105632 KGC-100328 KGF-100012 KGS-100014 KGT-100013

This Part Fits the Following OEM/Substitute Numbers:
120.66042, 120.66059, 121.66042, 121.66059, 126036, 24886829, 248880000, 2488821030, 4886829, 48880000, 488821030, 55056, 55072, 55430, 56829, 580000, 74886829, 748880000...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front

Transit Auto
  • As a leader in the industry, CMX delivers unrivaled braking solutions that redefine performance, reliability, and safety for your vehicle. CMX offers a comprehensive range of cutting-edge brake components meticulously engineered to meet the demands of vehicle brake customers. From high-performance brake pads, rotors and calipers, to durable brake drums, reliable brake wheel cylinders, state-of-the-art brake shoes and convenient brake kits, CMX has everything you need to elevate your vehicle's braking system. We delivers the highest standards of quality and reliability for your braking needs, enabling you to drive with confidence, precision, and peace of mind.
  • Transit Auto
  • Features:
    • Installation hardware & mounting bracket are included where applicable for a hassle-free installation
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • INCLUDES: 2x Front CMX (Both Side) + 2x Rear CMX (Both Side) + 2x Front Top Quality Disc Brake Rotor (Both Side) + 2x Rear Top Quality Disc Brake Rotor (Both Side) + 1x Front Ceramic AmeriBRAKES Brake Pad Set (Hardware Included) + 1x Rear Ceramic Ame
    • Kit variations : KCD-100792N KCD-100793N KCD-100794N KCG-100863P KCG-100936T KCG-100937C KCG-101052S KCG-102661N KCG-102662N KCG-102663N KCG-102664N KCG-102665N KCG-102666N KC8-101112P KC8-101193S KC8-101205C KC8-101288T KC8-102453N KC8-102455N KC8-1

This Part Fits the Following OEM/Substitute Numbers:
11-21157-1, 11-21158-1, 11-21159-1, 11-21160-1, 120.66042, 120.66043, 120.66059, 121.66042, 121.66043, 121.66059, 125656, 126036, 18-B4728, 18-B4729, 18-B4730, 18-B4731, 18-P4728, 18-P4729...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front and Rear

Transit Auto
  • As a leader in the industry, CMX delivers unrivaled braking solutions that redefine performance, reliability, and safety for your vehicle. CMX offers a comprehensive range of cutting-edge brake components meticulously engineered to meet the demands of vehicle brake customers. From high-performance brake pads, rotors and calipers, to durable brake drums, reliable brake wheel cylinders, state-of-the-art brake shoes and convenient brake kits, CMX has everything you need to elevate your vehicle's braking system. We delivers the highest standards of quality and reliability for your braking needs, enabling you to drive with confidence, precision, and peace of mind.
  • Transit Auto
  • Features:
    • Installation hardware & mounting bracket are included where applicable for a hassle-free installation
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • AmeriBRAKES pads are enginereed with vehicle-optimized formulas matching OE specs for optimal braking
    • INCLUDES: 2x Front CMX (Both Side) + 2x Rear CMX (Both Side) + 2x Front Top Quality Disc Brake Rotor (Both Side) + 2x Rear Top Quality Disc Brake Rotor (Both Side) + 1x Front Semi-Metallic AmeriBRAKES Brake Pad Set (Hardware Included) + 1x Rear Semi-
    • Kit variations : KCD-100792N KCD-100793N KCD-100794N KCG-100863P KCG-100936T KCG-100937C KCG-101052S KCG-102661N KCG-102662N KCG-102663N KCG-102664N KCG-102665N KCG-102666N KC8-101112P KC8-101193S KC8-101205C KC8-101288T KC8-102453N KC8-102454N KC8-1

This Part Fits the Following OEM/Substitute Numbers:
11-21157-1, 11-21158-1, 11-21159-1, 11-21160-1, 120.66042, 120.66043, 120.66059, 121.66042, 121.66043, 121.66059, 125656, 126036, 18-B4728, 18-B4729, 18-B4730, 18-B4731, 18-P4728, 18-P4729...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front and Rear

Transit Auto
  • As a leader in the industry, CMX delivers unrivaled braking solutions that redefine performance, reliability, and safety for your vehicle. CMX offers a comprehensive range of cutting-edge brake components meticulously engineered to meet the demands of vehicle brake customers. From high-performance brake pads, rotors and calipers, to durable brake drums, reliable brake wheel cylinders, state-of-the-art brake shoes and convenient brake kits, CMX has everything you need to elevate your vehicle's braking system. We delivers the highest standards of quality and reliability for your braking needs, enabling you to drive with confidence, precision, and peace of mind.
  • Transit Auto
  • Features:
    • Installation hardware & mounting bracket are included where applicable for a hassle-free installation
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • Exclusive high-density ceramic formula for optimal braking power and quietness. Our formula provides unmatched braking power in hot or cold weather with optimal pad life
    • Installation hardware is included where applicable for a hassle-free installation
    • INCLUDES: 2x Front CMX (Both Side) + 2x Rear CMX (Both Side) + 2x Front Top Quality Disc Brake Rotor (Both Side) + 2x Rear Top Quality Disc Brake Rotor (Both Side) + 1x Front Ceramic CMX Brake Pad Set (Hardware Included) + 1x Rear Ceramic CMX Brake P
    • Kit variations : KCD-100792N KCD-100793N KCD-100794N KCG-100863P KCG-100936T KCG-100937C KCG-101052S KCG-102661N KCG-102662N KCG-102663N KCG-102664N KCG-102665N KCG-102666N KC8-101112P KC8-101193S KC8-101288T KC8-102453N KC8-102454N KC8-102455N KC8-1

This Part Fits the Following OEM/Substitute Numbers:
11-21157-1, 11-21158-1, 11-21159-1, 11-21160-1, 120.66042, 120.66043, 120.66059, 121.66042, 121.66043, 121.66059, 125656, 126036, 18-B4728, 18-B4729, 18-B4730, 18-B4731, 18-P4728, 18-P4729...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front and Rear

Transit Auto
  • Transit Auto offers the most comprehensible brake kits on the market. The unmatched braking performance coupled with longer lasting components make our brake kits the best sellers in every category. Transit Auto kits are the go-to kits for thousands of reputed mechanical shops in North America and are now available to customers.
  • Transit Auto
  • Features:
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • PPF USA-engineered low-resin Semi-Metallic formula eliminates brake fade and glazing for optimal braking power
    • Manufactured with multiple alloys for improved heat dissipation and performance
    • High density friction material to ensure a long pad life and excellent stopping power
    • INCLUDES: 2x Front Top Quality Disc Brake Rotor (Both Side) + 1x Front Semi-Metallic Positive Plus Brake Pad Set (Hardware Included) + 2x Rear Top Quality Disc Brake Rotor (Both Side) + 1x Rear Semi-Metallic Positive Plus Brake Pad Set (Hardware Incl
    • Kit variations : K8A-102068 K8A-102069 K8A-102070 K8A-102071 K8C-101036 K8S-100771 K8T-100788 KDA-100880 KDA-100881 KDA-100882 KDA-100883 KDA-102873 KDA-102874 KDC-100678 KDF-100188 KDS-100175 KDT-100193 KGA-101581 KGA-101582 KGA-101583 KGA-101584 KG

This Part Fits the Following OEM/Substitute Numbers:
120.66042, 120.66043, 120.66059, 121.66042, 121.66043, 121.66059, 125656, 126036, 24886829, 24886830, 248880000, 2488821030, 4886829, 4886830, 48880000, 488821030, 55056, 55057...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front and Rear

Transit Auto
  • As a leader in the industry, CMX delivers unrivaled braking solutions that redefine performance, reliability, and safety for your vehicle. CMX offers a comprehensive range of cutting-edge brake components meticulously engineered to meet the demands of vehicle brake customers. From high-performance brake pads, rotors and calipers, to durable brake drums, reliable brake wheel cylinders, state-of-the-art brake shoes and convenient brake kits, CMX has everything you need to elevate your vehicle's braking system. We delivers the highest standards of quality and reliability for your braking needs, enabling you to drive with confidence, precision, and peace of mind.
  • Transit Auto
  • Features:
    • Installation hardware & mounting bracket are included where applicable for a hassle-free installation
    • Exclusive G3000 heat-flowed castings steel give our rotors the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation
    • PPF USA-engineered low-resin Semi-Metallic formula eliminates brake fade and glazing for optimal braking power
    • Installation hardware is included where applicable for a hassle-free installation
    • INCLUDES: 2x Front CMX (Both Side) + 2x Rear CMX (Both Side) + 2x Front Top Quality Disc Brake Rotor (Both Side) + 2x Rear Top Quality Disc Brake Rotor (Both Side) + 1x Front Semi-Metallic Positive Plus Brake Pad Set (Hardware Included) + 1x Rear Sem
    • Kit variations : KCD-100792N KCD-100793N KCD-100794N KCG-100863P KCG-100936T KCG-100937C KCG-101052S KCG-102661N KCG-102662N KCG-102663N KCG-102664N KCG-102665N KCG-102666N KC8-101193S KC8-101205C KC8-101288T KC8-102453N KC8-102454N KC8-102455N KC8-1

This Part Fits the Following OEM/Substitute Numbers:
11-21157-1, 11-21158-1, 11-21159-1, 11-21160-1, 120.66042, 120.66043, 120.66059, 121.66042, 121.66043, 121.66059, 125656, 126036, 18-B4728, 18-B4729, 18-B4730, 18-B4731, 18-P4728, 18-P4729...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 1500 HD Front and Rear
Showing 1 - 10 of 185 products

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