JSR ✓ Factory-verified

GMC · Regular Production Option

Brakes, front disc with sliding caliper, rear disc with sliding caliper

Years 2025–27 Models 1 Factory citations 3

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Also documented for Chevrolet

Documented applications

Terrain — Third generation (2025–2027) →

• 2025–2027 ✓ Factory-verified

  S on all trims; the 2025 and 2026 guides print 16 inch front and 16 inch rear discs; the 2027 guide prints front 11.8 inch (300 mm) and rear 11.3 inch (288 mm) discs

  ⛭ GM factory document — 2025 gmc next generation terrain fleet order guide, p.4.

  ⛭ GM factory document — 2026 gmc next generation terrain fleet order guide, p.7.

  ⛭ GM factory document — 2027 gmc terrain fleet order guide, p.8.

This page aggregates every documented appearance of JSR in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.