Marsram Electronic Throttle Body for 2009-2015 GM Vehicles — OE-Equivalent (12601387, 12629992, 217-3151)
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Description
xOverview
Marsram electronic throttle body offers an OE-equivalent upgrade designed to fit an extensive list of GM applications from 2009 through 2015. Built to align with original specifications (OE numbers 12601387, 12629992, 217-3151), this unit aims to provide a dependable interface between accelerator input and the engine’s air intake.
Constructed from reinforced materials, it prioritizes resistance to heat and corrosion found in engine bays. A redesigned internal sensor targets wear patterns that have affected older units, delivering a stable signal path during a range of driving conditions.
Key benefits
- Direct OE-equivalent fit for a wide GM vehicle range, including trucks, SUVs, and vans.
- Reinforced construction with corrosion and heat resistance for longer service life in demanding environments.
- redesigned internal sensor to help maintain consistent throttle response over time.
- No programming required for basic swap; rematching with the ECU is recommended after installation.
Compatibility at a glance
The Marsram throttle body covers Chevrolet, GMC, Cadillac, and Hummer models from 2009–2015, with engines from 4.8L to 6.2L. Representative applications include the Tahoe, Suburban, Silverado, Express, Savana, Sierra, Yukon, Escalade, CTS, and more.
- Chevrolet: Avalanche, Camaro, Suburban, Express, Silverado, Tahoe (and multiple 5.3L/6.0L/6.2L variants).
- GMC: Canyon, Savana, Sierra, Yukon, Envoy, and related 4.8L–6.2L configurations.
- Cadillac: CTS, Escalade family (V8 engines).
- Hummer: H2, H3/H3T (V8 engines).
Quality and installation notes
Manufactured to match original specifications, the Marsram throttle body relies on reinforced materials designed to resist wear. While no programming is required, you should plan for ECU rematching to ensure the vehicle’s computer recognizes the new unit and to optimize performance.
What this means for your vehicle
- Potential for smoother throttle response in varying driving conditions.
- Reliable operation in hot or humid environments due to corrosion-resistant design.
- Broad compatibility across many GM vehicles, reducing the need for multiple replacements.
Note: Always follow vehicle-specific procedures and consult a professional if unsure about rematching or installation.
FAQ
Q: Which vehicles is Marsram throttle body compatible with?
A: Compatible with a broad GM lineup from 2009-2015; see model list for exact years and engines; rematching is required after install.
Q: Do I need programming after installing Marsram throttle body?
A: No programming is required, but ECU rematching is recommended for best results.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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