Details

• Brand:

  

• SKU:

  23134733

• Other Names:

  Trans Mount

• Description:

  🔧 GM Part #23134733 — what it is

  ACDelco / GM 23134733 Automatic Transmission Mount

  • Official name: Automatic Transmission Mount
  • Also called: Trans mount
  • System: Drivetrain / transmission support
  • Type: OEM GM / ACDelco rubber-isolated mount

  ⚙️ What it does

  This mount:

  • Supports the transmission assembly
  • Absorbs drivetrain vibration and movement
  • Helps prevent:
    • harsh shifting feel
    • drivetrain clunking
    • vibration inside the cabin

  👉 Basically, it cushions and stabilizes the transmission while the engine/transmission move under load.

  🚗 Common fitment

  Used mainly on 2014–2020 GM full-size trucks and SUVs (2WD applications) with:

  • 5.3L V8
  • 6.2L V8

  Common vehicles include:

  • Chevrolet Silverado 1500
  • GMC Sierra 1500
  • Chevrolet Tahoe / Suburban
  • GMC Yukon / Yukon XL
  • Cadillac Escalade

  Most listings specify:

  • 2WD
  • Without 10-speed transmission on some applications.

  ⚠️ Common symptoms of failure

  A worn transmission mount can cause:

  • Clunk when shifting into gear
  • Excess drivetrain movement
  • Vibration at idle or acceleration
  • Thump during acceleration/braking
  • Premature exhaust/driveshaft stress

  🔧 Replacement notes

  • Usually a moderate DIY job with:
    • jack support under transmission
    • basic hand tools
  • Inspect at the same time:
    • engine mounts
    • crossmember bushings
  • Torque specs matter to avoid vibration issues

  👍 Bottom line

  • 23134733 = OEM GM automatic transmission mount
  • Used mainly on 2014–2020 GM trucks/SUVs with 5.3L or 6.2L V8s
  • Helps control drivetrain movement and vibration
  • Common wear item around higher mileage

  
  

  The Genuine GM OEM Automatic Transmission Mount (MPN: 23134733) is engineered to securely fasten your transmission while dampening drivetrain vibrations for a smoother, more comfortable driving experience. This factory-original part is precision-designed for 2WD configurations across premium GM full-size trucks and SUVs, including the Sierra, Silverado, Tahoe, Suburban, Escalade, Yukon, and Yukon XL models equipped with 5.3L and 6.2L engines (excluding 10-speed automatic variants). Built to OEM specifications and backed by General Motors quality standards, this transmission mount ensures optimal performance and longevity.

  - Genuine OEM transmission mount engineered by General Motors for factory-original fitment and durability
  - Direct fit for 2WD Sierra, Silverado, Tahoe, Suburban, Escalade, Yukon, and Yukon XL with select engine sizes
  - Reduces transmission and drivetrain vibration transmission for enhanced ride comfort and component protection
  - Precision-engineered to integrate seamlessly with factory suspension and powertrain systems
  - Backed by General Motors quality assurance and rigorous testing standards

• Condition: New
• Applications: 5.3L, 6.2L.

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