How to replace the Motor and Transmission Mount on a 4L80-E/4L85-E on GMC Sierra 1500?

To replace the transmission mount on 4l80-e/4l85-e, first, lift and support the vehicle, and then support the transmission with a transmission jack. Take off the transmission mount from the transmission support retaining nut or nuts and lift the transmission so that the weight comes off the mount. Next, remove transmission mount to transmission or transfer case adapter mounting bolts and lift transmission up just enough to get the transmission mount out. Then, disconnect the mount, and after taking off the vehicle's original, install the new transmission mount, making sure it is installed to the transmission or the transfer case adapter mounting bolts and fasten them taking 50 nm (37 ft. Lbs.). Hold up the transmission and connect the transmission mount to the transmission support retaining nut or nuts and tighten them to 40 nm (30 ft. Lbs.). Finally, take the transmission jack away and lower the vehicle.

OEM GMC Sierra 1500 Motor And Transmission Mount

Motor and Trans Mount

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57 Motor And Transmission Mounts found

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GMC Sierra 1500 Motor Mount, Passenger Side
Part Number: 15829208
$98.90 MSRP: $169.86
You Save: $70.96 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Mount Assembly-Engine; Engine Mount Bracket; Front Mount; Mount; Mount, Engine Mount Dampening; Mount, Engine Mounting
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 GMC Sierra 1500 | SL, SLE, WT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
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GMC Sierra 1500 Transmission Mount
Part Number: 15788797
$47.71 MSRP: $81.23
You Save: $33.52 (42%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount
- Replaces: 15768333
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 GMC Sierra 1500 | Base, Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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GMC Sierra 1500 Transmission Mount
Part Number: 23277115
$46.21 MSRP: $79.36
You Save: $33.15 (42%)
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount
- Replaces: 23277116, 20917337, 20917338
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Motor Mount
Part Number: 15854940
$157.56 MSRP: $270.60
You Save: $113.04 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount Assembly-Engine; Engine Mount Bracket; Front Mount; Mount, Engine Mount Dampening; Mount, Engine Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 GMC Sierra 1500 | SL, SLE, SLT, WT, XFE | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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GMC Sierra 1500 Motor Mount, Passenger Side
Part Number: 84175582
$120.56 MSRP: $205.24
You Save: $84.68 (42%)
ADD TO CART
Product Specifications
- Other Name: Mount Assembly-Engine; Engine Mount Bracket; Front Mount; Mount; Mount, Engine Mount Dampening; Mount, Engine Mounting
- Position: Passenger Side
- Replaced by: 85579397
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 GMC Sierra 1500 | Base, Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Transmission Mount
Part Number: 15113134
$93.04 MSRP: $158.40
You Save: $65.36 (42%)
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Product Specifications
- Other Name: Trans Mount; Engine Mount Torque Strut; Engine Mount Bracket; Transfer Case Mount; Motor Mount; Rear Mount; Mount; Mount, Transmission Mounting
- Replaces: 15750514, 15683966, 15022551
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010, 1999-2007 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Motor Mount, Driver Side
Part Number: 85151355
$59.14 MSRP: $92.61
You Save: $33.47 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount Assembly-Engine; Front Mount
- Position: Driver Side
- Replaced by: 85623479
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Transmission Mount
Part Number: 85154273
$34.36 MSRP: $58.97
You Save: $24.61 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | Denali, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
GMC Sierra 1500 Transmission Mount
Part Number: 85154276
$37.67 MSRP: $58.97
You Save: $21.30 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Transmission Mount
Part Number: 84460900
$47.65 MSRP: $81.13
You Save: $33.48 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount
- Replaced by: 85154275
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Motor Mount, Passenger Side
Part Number: 85126626
$86.04 MSRP: $134.74
You Save: $48.70 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount Assembly-Engine; Front Mount
- Position: Passenger Side
- Replaced by: 85623482
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
View related parts
GMC Sierra 1500 Motor Mount, Driver Side
Part Number: 85126627
$78.47 MSRP: $134.74
You Save: $56.27 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount Assembly-Engine; Front Mount
- Position: Driver Side
- Replaced by: 85623481
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
View related parts
GMC Sierra 1500 Motor Mount
Part Number: 15878845
$157.36 MSRP: $267.89
You Save: $110.53 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount Assembly-Engine; Engine Mount Bracket; Mount, Engine Mount Dampening; Mount, Engine Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2009 GMC Sierra 1500 | Denali, Hybrid, SLE, SLT | 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 Transmission Mount
Part Number: 85154277
$47.65 MSRP: $81.13
You Save: $33.48 (42%)
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Mount
- Replaced by: 85154275
- Replaces: 84718751
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 Transmission Mount
Part Number: 85154274
$50.04 MSRP: $85.19
You Save: $35.15 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 Motor Mount, Driver Side
Part Number: 85534478
$86.04 MSRP: $134.74
You Save: $48.70 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount Assembly-Engine; Front Mount
- Position: Driver Side
- Replaced by: 85623476
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
View related parts
GMC Sierra 1500 Motor Mount, Passenger Side
Part Number: 85623475
$78.47 MSRP: $134.76
You Save: $56.29 (42%)
ADD TO CART
Product Specifications
- Other Name: Mount Assembly-Engine; Front Mount; Mount, Engine Mount Dampening; Mount, Engine Mounting
- Position: Passenger Side
- Replaces: 84550211, 84631640, 84631642, 85534479, 84550209
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
View related parts
GMC Sierra 1500 Transmission Mount
Part Number: 15840279
$39.95 MSRP: $68.61
You Save: $28.66 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 GMC Sierra 1500 | SL, SLE, WT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS
View related parts
GMC Sierra 1500 Transmission Mount
Part Number: 85154275
$47.65 MSRP: $81.13
You Save: $33.48 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting
- Replaces: 84460900
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 Transmission Mount
Part Number: 15788796
$5.81 MSRP: $9.10
You Save: $3.29 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Mount, Transmission Mounting; Transfer Case Mount
- Replaces: 15761786, 22179441
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2007 GMC Sierra 1500 | Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS

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GMC Sierra 1500 Motor And Transmission Mount

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GMC Sierra 1500 Motor And Transmission Mount Parts Questions & Experts Answers

Transmission Mount
15113134
Q: How to replace the Motor and Transmission Mount on a 4L80-E/4L85-E on GMC Sierra 1500?
A: To replace the transmission mount on 4l80-e/4l85-e, first, lift and support the vehicle, and then support the transmission with a transmission jack. Take off the transmission mount from the transmission support retaining nut or nuts and lift the transmission so that the weight comes off the mount. Next, remove transmission mount to transmission or transfer case adapter mounting bolts and lift transmission up just enough to get the transmission mount out. Then, disconnect the mount, and after taking off the vehicle's original, install the new transmission mount, making sure it is installed to the transmission or the transfer case adapter mounting bolts and fasten them taking 50 nm (37 ft. Lbs.). Hold up the transmission and connect the transmission mount to the transmission support retaining nut or nuts and tighten them to 40 nm (30 ft. Lbs.). Finally, take the transmission jack away and lower the vehicle.