MR. STAC stocks used OEM alternators for GMC vehicles from licensed South Carolina salvage yards — graded A–D and priced to move. We part out GMC Sierra, Acadia, Yukon, Terrain, and Canyon, and source from 50+ SC yards when a part isn't on our shelves. Nothing in stock this minute? Submit a request and we'll track it down, usually within 24 hours. Call 843-933-4068.
What to check on a used GMC Alternator
Confirm the amperage rating and pulley type (clutch vs solid) and that the connector matches. Every alternator is bench-tested for charging output before sale. GMC shares most drivetrain and body parts with its Chevrolet counterparts — the Chevy equivalent often fits.
Grades & pricing
Used alternators run about $40–$180 versus $150–$400 new.
We grade every part A (excellent / low-mileage), B (good), C (fair), or D (core / rebuildable) so you know exactly what you're buying.
Used GMC Alternator — FAQ
What should I check when buying a used alternator for a GMC Terrain?
Confirm the amperage rating and pulley type (clutch vs solid) and that the connector matches. Every alternator is bench-tested for charging output before sale.
How much is a used Alternator for a GMC Terrain?
Used alternators run about $40–$180 versus $150–$400 new. Your final price depends on grade (A–D) and mileage — call 843-933-4068 for a firm quote.
Will a GMC alternator from another model fit my GMC Terrain?
GMC shares most drivetrain and body parts with its Chevrolet counterparts — the Chevy equivalent often fits.
Do you have a used Alternator for a GMC Terrain in stock?
Stock changes daily. If none show below, submit a request or call 843-933-4068 and we'll source your alternator from our 50+ SC yard network, usually within 24 hours.
Do you deliver alternator parts across South Carolina?
Yes — we serve all 46 SC counties, with pickup at our Hemingway yard or delivery arranged statewide. Call 843-933-4068.