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Home > GMC > Sierra 3500 > Oil Pan - Transmission > 2004 Buick Rainier Transmission Oil Pan for Models with 4L60E or 4L65E 4 Speed AT

GMC Sierra 3500 Transmission Oil Pan
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GMC Sierra 3500 Transmission Oil Pan


In Stock (Ships same day for orders placed by 3 PM ET)

List Price:$82.11

Our Price: $65.45
 (You Save $16.66)

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Part Number: 1ATRX00012

Welcome Message from 1A Auto

This new replacement transmission oil pan is among the highest quality replacements on the market. It's just what you need to get your automatic transmission in good working order again!


  • New, not refurbished
  • Redesigned with a drain plug for easy draining
    • This allows for complete draining out of one area. No more messy changes! Just like changing your engine oil.
  • Replaces dealer part number: 24229658
  • Stamped steel construction, like the original
  • Engineered with rust-proof coating for corrosion protection
    • 20% of Transmission failures are because of pans rusting from the outside in causing fluid leaks
  • Direct bolt on replacement
  • Built to strict quality control standards
  • Does not include gasket
  • Fits the following 4 Speed Automatic Transmissions (AT) as listed:
    • 4L60E
    • 4L65E
    • 4L70E

The transmission identification codes can be found on various parts of the transmission. Some of the locations are:

  • Stamped on the servo cover
  • Stamped on a metal tag fastened to the transmission case
  • Stamped on the governor cover
  • Ink stamped on the transmission case

Replace your leaking or damaged transmission oil pan now with this great fitting alternative.

1 Year Warranty

This item is backed by a 1 Year Manufacturers Warranty. In the event this item should fail during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

This part replaces:
  • OE #: 24229658
  • DORMAN #: 265-811

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