HomeTransmission > Transmission Hard PartsWestar EM-2321 Automatic Transmission Mount
Part #: EM-2321

Westar EM-2321 Automatic Transmission Mount

⚙️ 19 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Pontiac, Bonneville, Catalina, Executive, and Grand Prix
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Automatic Transmission Mount for Pontiac Vehicles

The Westar EM-2321 automatic transmission mount is engineered to provide a precise fit and dependable performance for select Pontiac models. Designed to meet or exceed OEM specifications, this mount supports smooth transmission operation and reduces vibration for a better driving experience.

Key Features of Westar EM-2321 Transmission Mount

  • Meets or exceeds OEM quality, fit, and performance standards
  • Manufactured using top-quality components for durability
  • Specifically designed for Pontiac Bonneville, Catalina, and Grand Prix models
  • Compatible with vehicles using rubber or hydraulic transmission mounts

Detailed Description of the Westar EM-2321

The Westar EM-2321 automatic transmission mount is crafted to provide a secure connection between the transmission and the vehicle frame. This mount is designed for Pontiac Bonneville, Catalina, and Grand Prix models, ensuring a tailored fit that maintains proper alignment and reduces engine and transmission movement. The manufacturing process uses premium materials and precise engineering to deliver consistent performance and longevity. Whether your vehicle uses a rubber or hydraulic mount system, this part is designed to accommodate those configurations, maintaining the integrity of your transmission setup.

Common Applications and Issues Addressed

  • Reduces excessive engine and transmission vibration
  • Prevents transmission misalignment and related drivetrain issues
  • Eliminates clunking or knocking noises during acceleration or shifting
  • Supports smooth gear transitions in automatic transmissions
  • Helps maintain proper transmission positioning under load

Installation Notes and Tips

Installation of the Westar EM-2321 transmission mount should be performed with the vehicle securely lifted and supported. It is recommended to inspect surrounding components for wear or damage during replacement. Proper torque specifications should be followed to ensure secure mounting and avoid premature failure. If unsure, professional installation is advised to maintain vehicle safety and performance.

Quality Assurance and Warranty Information

Westar manufactures the EM-2321 transmission mount with strict quality control standards, using premium materials and advanced manufacturing techniques. This part is backed by a limited warranty against defects in material and workmanship, providing confidence in its durability and fitment for Pontiac Bonneville, Catalina, and Grand Prix vehicles.

This part fits 19 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1970PontiacBonneville6.6LV8N/A
1970PontiacBonneville7.5LV8N/A
1970PontiacCatalina6.6LV8N/A
1970PontiacCatalina7.5LV8N/A
1969PontiacBonneville6.6LV8N/A
1969PontiacCatalina6.6LV8N/A
1968PontiacBonneville6.6LV8N/A
1968PontiacCatalina6.6LV8N/A
1967PontiacCatalina6.6LV8N/A
1966PontiacBonneville6.4LV8N/A
1966PontiacCatalina6.4LV8N/A
1966PontiacCatalina6.9LV8N/A
1966PontiacGrand Prix6.4LV8N/A
1965PontiacBonneville6.4LV8N/A
1965PontiacCatalina6.4LV8N/A
1965PontiacCatalina6.9LV8N/A
1965PontiacGrand Prix6.4LV8N/A
1964PontiacCatalina6.9LV8N/A
1963PontiacCatalina6.9LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2321

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.