GMC Terrain transmission control module — Seat, (below LH seat), ID 13521013 price snapshot
- Low
- $30
- Average
- $113
- High
- $260

Trim-specific price guide
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Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
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Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
A used GMC Terrain transmission control module (Seat, (below LH seat), ID 13521013) costs $30 to $260, with a median asking price of $99. Based on 29 priced salvage yard listings across the US, updated Sep 21, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $30–$260 | 29 |
Trim-specific context
This pricing covers the Seat, (below LH seat), ID 13521013 variant of the GMC Terrain transmission control module, based on 29 priced listings across 3 model years (2020, 2021, 2022). Its $99 median is 3% above the GMC Terrain transmission control module overall median of $96.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 29 priced salvage-yard listings across 3 model years, a used GMC Terrain transmission control module in the Seat, (below LH seat), ID 13521013 variant lists between $30 and $260, with a median asking price of $99.
The Seat, (below LH seat), ID 13521013 variant appears in model years 2020, 2021, 2022. Prices and availability differ by year.
Grade data is limited for this variant. Check individual year pages for the most detail.