How to replace the LH Motor and Transmission Mount on GMC Terrain?

To change the left transmission mount, first, remove battery tray and underhood electrical center. Lift and support the vehicle while supporting the engine and the transmission. Disassemble front transmission mount to frame bolt and the rear transmission mount to rear transmission mount bracket bolt. Lower the vehicle before taking off and removing the left transmission mount to transmission bolts and the left transmission mount to frame rail bolts. Lower the transmission as much as possible to give clearance for left transmission mount and remove the left transmission mount. For installation, start off by installing the left transmission mount and make sure that the left transmission mount is installed to frame rail bolts and tighten to 27 nm (20 lb ft). Raise the transmission until the left transmission mount meeting the left transmission mount, then install front transmission mount to transmission bolts and tighten 50 nm (37 lb ft). Lift the vehicle once more and install rear transmission mount to rear transmission mount bracket bolt and tighten 110 nm (81 lb ft), followed by front transmission mount to frame bolt tightened at 110 nm (81 lb ft). Lower the vehicle, take off the engine and the transmission support and finally the battery tray and the under hood center.

OEM GMC Terrain Motor And Transmission Mount

Motor and Trans Mount

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20 Motor And Transmission Mounts found

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GMC Terrain Transmission Mount
Part Number: 20839833
$154.88 MSRP: $243.70
You Save: $88.82 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Mount, Transmission Mounting; Automatic Transmission Mount; Transfer Case Mount; Front Trans Mount
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SLE, SLT | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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GMC Terrain Side Transmission Mount
Part Number: 20839835
$161.68 MSRP: $254.39
You Save: $92.71 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount; Transmission Mount
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SLE, SLT | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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GMC Terrain Transmission Mount
Part Number: 20839834
$144.95 MSRP: $228.07
You Save: $83.12 (37%)
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount; Rear Trans Mount
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SL, SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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GMC Terrain Motor Mount
Part Number: 22774206
$89.42 MSRP: $152.25
You Save: $62.83 (42%)
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Product Specifications
- Other Name: Mount; Engine Mount Bracket; Front Mount; Mount, Engine Mount Dampening; Mount, Engine Mounting
- Replaces: 20840184
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SL, SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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GMC Terrain Transmission Mount
Part Number: 85003188
$104.92 MSRP: $180.14
You Save: $75.22 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting
- Replaces: 84157573, 84850079
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2023 GMC Terrain | Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS
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GMC Terrain Transmission Mount
Part Number: 84927100
$90.18 MSRP: $141.24
You Save: $51.06 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting
- Replaced by: 84988949
- Replaces: 84849603
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 GMC Terrain | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS
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GMC Terrain Motor Mount
Part Number: 84884383
$74.28 MSRP: $126.46
You Save: $52.18 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Engine Mounting; Engine Mount Bracket; Side Mount
- Replaces: 84322223
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Terrain | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS
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GMC Terrain Transmission Mount
Part Number: 85003186
$95.76 MSRP: $164.43
You Save: $68.67 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting
- Replaces: 84157571, 84850078, 84203655
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2022 GMC Terrain | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L DIESEL
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GMC Terrain Motor Mount
Part Number: 84884385
$89.05 MSRP: $139.49
You Save: $50.44 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Engine Mounting; Engine Mount Bracket
- Replaces: 84377289
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Terrain | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS
View related parts
GMC Terrain Motor Mount
Part Number: 84322224
$68.42 MSRP: $107.18
You Save: $38.76 (37%)
ADD TO CART
Product Specifications
- Other Name: Mount, Engine Mounting; Engine Mount Bracket; Side Mount
- Replaced by: 85634237
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019 GMC Terrain | SLE, SLT | 4 Cyl 1.6 L DIESEL
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GMC Terrain Transmission Mount
Part Number: 84154795
$104.06 MSRP: $177.16
You Save: $73.10 (42%)
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount; Rear Trans Mount
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 GMC Terrain | Denali, SLE, SLT | 4 Cyl 2.0 L GAS
View related parts
GMC Terrain Mount Bracket
Part Number: 85511549
$56.53 MSRP: $88.53
You Save: $32.00 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Bracket-Engine Mount Engine Side; Bracket, Engine Mounting
- Replaces: 84618128, 23463095
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Terrain | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS
View related parts
GMC Terrain Motor Mount
Part Number: 84228984
$24.82 MSRP: $38.88
You Save: $14.06 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Engine Mounting; Engine Mount Bracket; Side Mount
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018 GMC Terrain | SLE, SLT | 4 Cyl 1.6 L DIESEL
View related parts
GMC Terrain Motor Mount
Part Number: 84884384
$89.10 MSRP: $153.02
You Save: $63.92 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Engine Mounting; Engine Mount Bracket; Side Mount
- Replaces: 84229155, 84322225
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 GMC Terrain | Denali, SLE, SLT | 4 Cyl 2.0 L GAS
View related parts
GMC Terrain Transmission Mount
Part Number: 84849602
$101.04 MSRP: $158.22
You Save: $57.18 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting
- Replaces: 84157570
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Terrain | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L DIESEL
View related parts
GMC Terrain Transmission Mount
Part Number: 20840183
$66.78 MSRP: $113.68
You Save: $46.90 (42%)
ADD TO CART
Product Specifications
- Other Name: Trans Mount; Transfer Case Mount; Side Transmission Mount; Mount, Transmission Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SL, SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
View related parts
GMC Terrain Transmission Mount
Part Number: 84154796
$110.30 MSRP: $172.73
You Save: $62.43 (37%)
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount; Rear Trans Mount
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 GMC Terrain | Denali, SLE, SLT | 4 Cyl 2.0 L GAS
View related parts
GMC Terrain Mounting Bracket
Part Number: 15854396
$81.92 MSRP: $128.33
You Save: $46.41 (37%)
Product Specifications
- Other Name: Adapter, Engine Mounting; Engine Mount Torque Strut; Engine Mount Bracket; Motor Mount; Mount Bracket; Front Mount Bracket; Adapter; Bracket, Engine Mounting
- Replaces: 22689529
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SL, SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
View related parts
GMC Terrain Motor Mount
Part Number: 22774205
Product Specifications
- Other Name: Mount; Engine Mount Bracket; Front Mount; Mount, Engine Mount Dampening; Mount, Engine Mounting
- Replaces: 20831436, 25786206, 20839836
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SLE, SLT | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
View related parts
GMC Terrain Transmission Mount
Part Number: 20840181
$140.87 MSRP: $221.65
You Save: $80.78 (37%)
Product Specifications
- Other Name: Mount, Transmission Mounting; Automatic Transmission Mount; Transfer Case Mount; Front Trans Mount
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SL, SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS

GMC Terrain Motor And Transmission Mount

Our website offers an extensive catalog of genuine GMC Terrain Motor And Transmission Mount at unbeatable prices. Every OEM GMC Terrain Motor And Transmission Mount comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

GMC Terrain Motor And Transmission Mount Parts Questions & Experts Answers

Mounting Bracket
15854396
Q: How to replace the LH Motor and Transmission Mount on GMC Terrain?
A: To change the left transmission mount, first, remove battery tray and underhood electrical center. Lift and support the vehicle while supporting the engine and the transmission. Disassemble front transmission mount to frame bolt and the rear transmission mount to rear transmission mount bracket bolt. Lower the vehicle before taking off and removing the left transmission mount to transmission bolts and the left transmission mount to frame rail bolts. Lower the transmission as much as possible to give clearance for left transmission mount and remove the left transmission mount. For installation, start off by installing the left transmission mount and make sure that the left transmission mount is installed to frame rail bolts and tighten to 27 nm (20 lb ft). Raise the transmission until the left transmission mount meeting the left transmission mount, then install front transmission mount to transmission bolts and tighten 50 nm (37 lb ft). Lift the vehicle once more and install rear transmission mount to rear transmission mount bracket bolt and tighten 110 nm (81 lb ft), followed by front transmission mount to frame bolt tightened at 110 nm (81 lb ft). Lower the vehicle, take off the engine and the transmission support and finally the battery tray and the under hood center.

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