Need 2020 GMC Sierra 1500 brake pads, rotors, or hardware? 2020 is T1XX only — no Classic twin. Front pad numbers still split on caliper style. A pulsation is usually the rotor; a squeal on the first stop is often the pad or the clips that come in the pad box.
A growl or a pedal that pulses is usually a rotor. A squeal on the first stop of the day is often the pad or missing abutment clips. Pad sets below that say hardware is in the box are the clip path — there is no separate hardware number on this page. Front hose numbers for this new body are not listed here.
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Same year: 2020 GMC Sierra 1500 suspension parts · 2020 GMC Sierra 1500 shock parts · 2020 Chevy Silverado 1500 brake parts (same chassis).
2020 GMC Sierra 1500 brakes — T1XX shop focus
Rotor size on the front listing below is 13.50 in (343 mm). Rear kit is 13.58 in (345 mm). A different package will not match those diameters.
What usually brings people here
- Standard front pads → Bendix SBC2173 or Detroit Axle P-2173. Six-piston Brembo fronts → P-1910 only.
- Front rotors on this page are drilled and slotted, 13.50 in (343 mm): S-800190.
- Rear pads → Detroit Axle P-2174. Rear rotor and pad kit, 13.58 in (345 mm): 4PR53826.
Shop notes only — not a service manual. Use the factory procedure for wrench work, torque, and bleeding. Leave a comment with 4×2 vs 4×4, piston count, and rotor diameter if you want a part-number check.
2020 GMC Sierra 1500 front brakes
Pads
- P-2173 — Detroit Axle front ceramic pads with hardware. Features name 2019–2026 GMC Sierra 1500 (not for Brembo 6-piston) and also 2022 Sierra 1500 Limited — this page is the new-body T1XX, not Limited
- SBC2173 — Bendix Premium ceramic front pads. Application line names Sierra 1500 2019–2024 (and Sierra 1500 Limited 2022). No piston-count note — do not put these on a six-piston Brembo caliper
- P-1910 — Detroit Axle front ceramic pads with hardware, six-piston Brembo big-brake kit only. Features name 2019–2023 GMC Sierra 1500 (and Limited rows). Confirm new-body T1XX and six pistons before you order
Rotors and pad-and-rotor kits
- S-800190 — Detroit Axle front drilled and slotted rotor pair, 13.50 in (343 mm). Features name 2019–2026 GMC Sierra 1500 (and 2022 Limited). Not a plain replacement rotor
- 4PR53991 — Detroit Axle front drilled/slotted rotors plus ceramic pads with hardware, 13.50 in (343 mm), not for Brembo 6-piston. Features name 2019–2026 GMC Sierra 1500 (and Limited). Confirm new body
2020 GMC Sierra 1500 rear brakes
- P-2174 — Detroit Axle rear ceramic pads with hardware. Features name 2019–2026 GMC Sierra 1500 (and 2022 Limited). Confirm new body
- 4PR53826 — Detroit Axle rear rotors plus ceramic pads with hardware, 13.58 in (345 mm). Features name 2019–2026 GMC Sierra 1500 (and 2022 Limited)
Fitment notes
This is the T1XX GMC Sierra 1500 (new body). Not 2014–2018 K2XX, not 2019 Classic / LD, not 2022 Sierra 1500 Limited, not 2500/3500 HD.
Front pad numbers change with the caliper. Standard pads on this page are not for a six-piston Brembo setup. P-1910 is the six-piston pad, and it names 2019–2023 only. The drilled front rotors are 13.50 in (343 mm). The rear kit is 13.58 in (345 mm). Measure before you order if the truck was optioned with a different brake package.
Related: 2020 GMC Sierra 1500 suspension parts. 2020 GMC Sierra 1500 shock parts. brake system repair manual. Same-chassis Chevy: 2020 Chevy Silverado 1500 brake parts.
Leave a comment with caliper piston count and 4×2 vs 4×4 if you want a part-number check. #HAPPYMOTORING
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