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OE Quality
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Anchor 3278 Manual Transmission Mount - Rear
| Brand | Anchor 3278 |
|---|---|
| Position | Rear |
| Fits | Cadillac, Chevrolet, and GMC · 148 vehicles |
OE-standard design. Engineered for a direct-fit transmission mount replacement.
Vibration damping. Supports the transmission and helps reduce harshness.
Natural and SBR rubber. Built for long life and dependable performance.
Cross-references Marmon Ride Control A5948, 84718750 and 84859373 for the same application. See all 4.
$22.86Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Manual Transmission Mount options
Manual Transmission Mount for GM Rear Applications
Anchor 3278 is a rear manual transmission mount engineered to support the transmission and reduce vibration transfer. It is built to OE standards for direct replacement use on select Chevrolet, GMC, and Cadillac vehicles, including Silverado 2500 HD, Sierra 3500 HD, and Escalade applications.
Key Features
- Rear manual transmission mount for select GM trucks, vans, and SUVs
- Engineered to OE standards for fit and function
- Natural and SBR rubber help deliver long service life and stable performance
- Heat-treated grade 5 steel fasteners
- Special bonding agent used for the rubber-to-metal bond
- Rubber compound mixed to a specific durometer hardness
- Anchor 3278 part number for easy identification
Detailed Description
Anchor 3278 is a rear transmission mount designed for manual transmission vehicles that need controlled support at the drivetrain mounting point. It helps isolate vibration while keeping the transmission properly located under load. This part number is used across a wide range of GM fitments, including Fits 2011-2021 Chevrolet Silverado 2500 HD, Rear; Fits 2011-2021 GMC Sierra 2500 HD, Rear; and Fits 2023-2024 Cadillac Escalade, Rear for manual transmission vehicles only. It also cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.
What This Part Helps Address
- Excess drivetrain vibration felt through the cabin
- Worn or collapsed transmission mount rubber
- Transmission movement under acceleration or shifting
- Noisy drivetrain contact caused by mount deterioration
- Improper rear support at the manual transmission mounting point
Installation Notes and Tips
Verify manual transmission fitment before ordering, since several listed vehicles require manual transmission vehicles only. Confirm the rear mounting position and match the part number 3278 to the vehicle application before installation. Inspect surrounding drivetrain mounts and hardware condition during replacement to help ensure proper alignment and support.
Quality Assurance
Anchor manufactures this mount to OE standards using natural and SBR rubber, heat-treated grade 5 bolts, and a bonded rubber-to-metal construction. Part number 3278 includes a 12-month warranty.
This part fits 148 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | GMC | Yukon XL | RWD | Automatic | 5.3L | V8 | — | Rear | — |
| 2025 | GMC | Yukon XL | RWD | Automatic | 5.3L | V8 | — | Rear | — |
| 2024 | Cadillac | Escalade | RWD | Automatic | 6.2L | V8 | — | Rear | — |
| 2024 | Cadillac | Escalade ESV | RWD | Automatic | 6.2L | V8 | — | Rear | — |
| 2024 | Chevrolet | Silverado 2500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2024 | Chevrolet | Silverado 3500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2024 | GMC | Sierra 2500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2024 | GMC | Sierra 3500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2024 | GMC | Yukon XL | RWD | Automatic | 5.3L | V8 | — | Rear | — |
| 2023 | Cadillac | Escalade | RWD | Automatic | 6.2L | V8 | — | Rear | — |
| 2023 | Cadillac | Escalade ESV | RWD | Automatic | 6.2L | V8 | — | Rear | — |
| 2023 | Chevrolet | Silverado 2500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2023 | Chevrolet | Silverado 3500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2023 | GMC | Sierra 2500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2023 | GMC | Sierra 3500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2023 | GMC | Yukon XL | RWD | Automatic | 5.3L | V8 | — | Rear | — |
| 2022 | Cadillac | Escalade | RWD | — | 3.0L | L6 | — | Rear | Manual transmission vehicles only. |
| 2022 | Cadillac | Escalade | RWD | — | 6.2L | V8 | — | Rear | Manual transmission vehicles only. |
| 2022 | Cadillac | Escalade ESV | RWD | — | 3.0L | L6 | — | Rear | Manual transmission vehicles only. |
| 2022 | Chevrolet | Express 2500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2022 | Chevrolet | Express 3500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2022 | Chevrolet | Silverado 2500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2022 | Chevrolet | Silverado 3500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2022 | GMC | Savana 2500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2022 | GMC | Savana 3500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2022 | GMC | Sierra 2500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2022 | GMC | Sierra 3500 HD | RWD | Automatic | 6.6L | V8 | GAS | Rear | — |
| 2022 | GMC | Yukon XL | RWD | Automatic | 5.3L | V8 | — | Rear | — |
| 2021 | Cadillac | Escalade | RWD | — | 3.0L | L6 | — | Rear | Manual transmission vehicles only. |
| 2021 | Cadillac | Escalade | RWD | — | 6.2L | V8 | — | Rear | Manual transmission vehicles only. |
| 2021 | Cadillac | Escalade ESV | RWD | — | 3.0L | L6 | — | Rear | Manual transmission vehicles only. |
| 2021 | Chevrolet | Express 2500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2021 | Chevrolet | Express 3500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2021 | Chevrolet | Silverado 2500 HD | RWD | — | 6.6L | V8 | GAS | Rear | Manual transmission vehicles only. |
| 2021 | Chevrolet | Silverado 3500 HD | RWD | — | 6.6L | V8 | GAS | Rear | Manual transmission vehicles only. |
| 2021 | Chevrolet | Tahoe | RWD | — | 3.0L | L6 | — | Rear | Manual transmission vehicles only. |
| 2021 | Chevrolet | Tahoe | RWD | — | 5.3L | V8 | — | Rear | Manual transmission vehicles only. |
| 2021 | GMC | Savana 2500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2021 | GMC | Savana 3500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2021 | GMC | Sierra 2500 HD | RWD | — | 6.6L | V8 | GAS | Rear | Manual transmission vehicles only. |
| 2021 | GMC | Sierra 3500 HD | RWD | — | 6.6L | V8 | GAS | Rear | Manual transmission vehicles only. |
| 2021 | GMC | Yukon | RWD | — | 3.0L | L6 | — | Rear | Manual transmission vehicles only. |
| 2021 | GMC | Yukon | RWD | — | 5.3L | V8 | — | Rear | Manual transmission vehicles only. |
| 2021 | GMC | Yukon XL | RWD | Automatic | 5.3L | V8 | — | Rear | — |
| 2020 | Chevrolet | Express 2500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2020 | Chevrolet | Express 3500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2020 | Chevrolet | Silverado 2500 HD | RWD | — | 6.6L | V8 | GAS | Rear | Manual transmission vehicles only. |
| 2020 | Chevrolet | Silverado 3500 HD | RWD | — | 6.6L | V8 | GAS | Rear | Manual transmission vehicles only. |
| 2020 | GMC | Savana 2500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2020 | GMC | Savana 3500 | — | Automatic | 2.8L | L4 | DIESEL | Rear | — |
| 2020 | GMC | Sierra 2500 HD | RWD | — | 6.6L | V8 | GAS | Rear | Manual transmission vehicles only. |
| 2020 | GMC | Sierra 3500 HD | RWD | — | 6.6L | V8 | GAS | Rear | Manual transmission vehicles only. |
| 2019 | Chevrolet | Express 2500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2019 | Chevrolet | Express 3500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2019 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2019 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2019 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2019 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2019 | GMC | Savana 2500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2019 | GMC | Savana 3500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2019 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2019 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2019 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2019 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2018 | Chevrolet | Express 2500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2018 | Chevrolet | Express 3500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2018 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2018 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2018 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2018 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2018 | GMC | Savana 2500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2018 | GMC | Savana 3500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2018 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2018 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2018 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2018 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2017 | Chevrolet | Express 2500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2017 | Chevrolet | Express 3500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2017 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2017 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2017 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2017 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2017 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2017 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2017 | GMC | Savana 2500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2017 | GMC | Savana 3500 | — | — | 2.8L | L4 | DIESEL | Rear | Manual transmission vehicles only. |
| 2017 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2017 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2017 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2017 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2016 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2016 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2016 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2016 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2016 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2016 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2016 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2016 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2016 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2016 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2015 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2015 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2015 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2015 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2015 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2015 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2015 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2015 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2015 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2015 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2014 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2014 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2014 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2014 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2014 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2014 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2014 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2014 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2013 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2013 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2013 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2013 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2013 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2013 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2013 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2013 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2013 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2013 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2012 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2012 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2012 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2012 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2012 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2012 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2012 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2012 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2012 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2012 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2011 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2011 | Chevrolet | Silverado 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2011 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2011 | Chevrolet | Silverado 3500 | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2011 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2011 | Chevrolet | Silverado 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2011 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2011 | GMC | Sierra 2500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| 2011 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission vehicles only. |
| 2011 | GMC | Sierra 3500 HD | RWD | — | 6.0L | V8 | — | Rear | Manual transmission mount compatible with manual transmission vehicles. |
| No rows match your filter. | |||||||||
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Marmon Ride Control — A59488471875084859373EM4319