RALBDX Electronic Throttle Body for 2009–2015 GM V8s — Direct Fit for OE 12601387, 6‑Terminal, 87mm Bore

Walnut‑brown injection molded throttle body assembly designed to directly replace GM part number 12601387 for select 2009–2015 Chevrolet, GMC, Cadillac, Hummer and Saab V8 models.

This RALBDX electronic throttle body is a factory‑style replacement built to match the form, fit and electrical connections of original equipment units. It restores the air intake control function for a wide range of GM V8 applications and ships as a complete assembly with the throttle housing, plate and connector. Dimensions and terminal count are provided so you can confirm fitment before purchase.

Which vehicles and engines does this throttle body fit?

This unit is compatible with many GM full‑size trucks, vans, SUVs and performance sedans from model years 2009 through 2015. Coverage includes multiple Chevy Silverado and Suburban variants, GMC Sierra and Yukon families, Cadillac Escalade and CTS‑V, as well as certain Hummer and Saab models that used the same throttle assembly.

• Replaces OE numbers: 12601387, 12629992, 217‑3151
• Fitment includes Chevy: Avalanche, Colorado V8, Express vans, Silverado, Suburban, Tahoe, Trailblazer
• GMC: Canyon, Envoy, Savana vans, Sierra, Yukon and Denali heavy‑duty models
• Cadillac: CTS‑V and Escalade (incl. ESV/EXT); Hummer H2/H3 and Saab 9‑7X where applicable

How do the physical and electrical specs compare to the original?

The RALBDX throttle body lists detailed dimensions so you can verify it matches the original housing and intake interfaces. It includes a six‑terminal blade connector and four mounting holes to align with the factory flange and harness, reducing installation variables.

• Housing length: 7‑5/16 inches; width: 5‑9/16 inches
• Bore diameter: 87 mm; throttle plate diameter: 3‑7/16 inches
• Air intake port max diameter: 3‑15/16 inches; main port inside diameter: 3‑7/16 inches
• Mount holes: 4; terminal quantity: 6; connector: blade style

What comes in the package and how is the part supplied?

RALBDX ships this throttle body as a single, ready‑to‑install electronic assembly. The unit arrives with the throttle plate, housing and electrical connector preassembled so you can swap it into place with minimal additional parts required.

• Package contents: 1x electronic throttle body assembly
• Preassembled housing, plate and connector—no separate sensors included
• Sold as a direct replacement part number for simplified ordering

Will this throttle body require reprogramming or calibration?

In many cases, the vehicle’s engine control module will adapt to a new, compatible throttle body after installation. However, some models may need a throttle body relearn procedure or a brief drive cycle to restore throttle response and idle quality; check factory service recommendations for your specific vehicle.

• Most vehicles perform an automatic relearn during normal startup/driving
• Some applications may require manual relearn with a scan tool or key‑cycle procedure
• Confirm any required relearn steps in the vehicle service manual

Who is this for? This RALBDX throttle body is aimed at DIY mechanics, independent repair shops and fleet managers who need a cost‑effective, OE‑style replacement for GM V8 applications spanning 2009–2015. If your truck, SUV or van lists one of the referenced part numbers or your vehicle shows throttle‑related codes and poor idle/response, this complete assembly offers a direct swap option with detailed dimensions to confirm fitment before purchase.