How to Replace an Engine Flywheel Using the Flywheel Holding Tool on GMC Sierra 1500?

The first step towards engine Flywheel replacement involves removing the transmission based on specifications that match between the 4l60-e/4l65-e/4l70-e, 4l50/4l80/4l90, or allison transmission model requirements. Install the Flywheel holding tool (J 44643) before beginning Flywheel security. Workers handling the component should use gloves due to the presence of dangerous sharp edges. The procedure requires you to remove all Flywheel bolts before eliminating both Flywheel washer and Flywheel from the system. The tapered section on the Flywheel teeth should face toward the Starter before installing the Flywheel washer which has its bevelled side facing the engine. Apply caution during installation because the bolts come with a preinstalled molybdenum disulfide coating to provide lubrication yet no additional lubricant should be added to these bolts because this facing can influence torque and clamp load which may damage your engine. The new Flywheel bolts need installation according to this order: apply torque to 79 nm (58 lb ft) during the first pass followed by a second pass achieving a 60-degree angle with the angle meter (J 45059) and then complete the third pass by extending 60 more degrees with the same angle meter (J 45059). Reinstall the transmission per model specifications after you have removed the Flywheel holding tool (J 44643) from the system.

OEM GMC Sierra 1500 Flywheel

Clutch Flywheel

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GMC Sierra 1500 Drive Plate Part Number: 12654640
$132.99 MSRP: $226.41
You Save: $93.42 (42%)
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Product Specifications
- Other Name: Plate, Engine Crankshaft; Flywheel
- Replaces: 12553054, 12602448, 12606620, 12637677, 12563136, 12580709
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 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
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GMC Sierra 1500 Drive Plate Part Number: 12621399
$87.37 MSRP: $148.77
You Save: $61.40 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Replaced by: 19260102
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 1500 | Base, C3, Denali, SLE, SLT, WT | 8 Cyl 6.0 L GAS
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GMC Sierra 1500 Drive Plate Part Number: 12620099
$68.40 MSRP: $116.44
You Save: $48.04 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Plate, Engine Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2021 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 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 Flywheel Part Number: 12561680
$385.10 MSRP: $611.43
You Save: $226.33 (38%)
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Product Specifications
- Other Name: Flywheel, Engine Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 1500 | Base, C3, Denali, HT, SL, SLE, SLT, WT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS
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GMC Sierra 1500 Drive Plate Part Number: 12555640
$211.96 MSRP: $360.86
You Save: $148.90 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Flywheel, Engine Crankshaft; Plate, Engine Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 GMC Sierra 1500 | Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS
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GMC Sierra 1500 Drive Plate Part Number: 55490601
$34.81 MSRP: $57.33
You Save: $22.52 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Plate, Engine Crankshaft
- 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
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GMC Sierra 1500 Drive Plate Part Number: 12663484
$15.83 MSRP: $26.06
You Save: $10.23 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Plate, Engine Crankshaft
- 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
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GMC Sierra 1500 Flywheel Part Number: 12557585
$421.38 MSRP: $605.96
You Save: $184.58 (31%)
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Product Specifications
- Other Name: Flywheel, Engine Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2006 GMC Sierra 1500 | Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS
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GMC Sierra 1500 Drive Plate Part Number: 19117204
Product Specifications
- Other Name: Plate Assembly, Automatic Transmission Flexible; Rotor Plate; Plate, Engine Crankshaft
- Replaces: 12569647
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 GMC Sierra 1500 | Base, Denali, Hybrid, 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 Drive Plate Part Number: 12597524
Product Specifications
- Other Name: Plate, Engine Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012, 2009-2010 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV)
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GMC Sierra 1500 Flywheel Part Number: 12561755
Product Specifications
- Other Name: Flywheel, Engine Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2000 GMC Sierra 1500 | SL, SLE, SLT | 8 Cyl 4.8 L GAS

GMC Sierra 1500 Flywheel

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GMC Sierra 1500 Flywheel Parts and Q&A

Drive Plate
12555640
Q: How to Replace an Engine Flywheel Using the Flywheel Holding Tool on GMC Sierra 1500?
A:
The first step towards engine Flywheel replacement involves removing the transmission based on specifications that match between the 4l60-e/4l65-e/4l70-e, 4l50/4l80/4l90, or allison transmission model requirements. Install the Flywheel holding tool (J 44643) before beginning Flywheel security. Workers handling the component should use gloves due to the presence of dangerous sharp edges. The procedure requires you to remove all Flywheel bolts before eliminating both Flywheel washer and Flywheel from the system. The tapered section on the Flywheel teeth should face toward the Starter before installing the Flywheel washer which has its bevelled side facing the engine. Apply caution during installation because the bolts come with a preinstalled molybdenum disulfide coating to provide lubrication yet no additional lubricant should be added to these bolts because this facing can influence torque and clamp load which may damage your engine. The new Flywheel bolts need installation according to this order: apply torque to 79 nm (58 lb ft) during the first pass followed by a second pass achieving a 60-degree angle with the angle meter (J 45059) and then complete the third pass by extending 60 more degrees with the same angle meter (J 45059). Reinstall the transmission per model specifications after you have removed the Flywheel holding tool (J 44643) from the system.