Sachs NFW1055 Clutch Flywheel
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Sachs

Sachs NFW1055 Clutch Flywheel

Brand Sachs NFW1055
Fits Chevrolet and GMC · 19 vehicles

Clutch flywheel. Provides the rotating mass needed for smooth clutch engagement.

Cross-references 12557585 for the same application. See all 1.

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Sachs NFW1055 Clutch Flywheel

The Sachs NFW1055 is a clutch flywheel for select Chevrolet Silverado 1500 and GMC Sierra 1500 applications. It is listed for standard transmission setups with the specified release bearing inner diameter noted in fitment, making it a direct-reference option for the correct vehicle and configuration.

Key Features

  • Brand: Sachs
  • Part number: NFW1055
  • Category: transmission flywheel
  • Part type: clutch flywheel
  • Interchange reference: 12557585
  • Fits select Chevrolet Silverado 1500 and GMC Sierra 1500 models
  • Fitment notes include standard applications with 47.5mm I.D. or 36.11mm I.D. release bearing requirements, depending on year

Fitment Details

  • Fits 2001-2007 Chevrolet Silverado 1500, N/A, Standard; Kit w/ 47.5mm I.D. Release Bearing
  • Fits 2007 Chevrolet Silverado 1500 Classic, N/A, Standard; Kit w/ 47.5mm I.D. Release Bearing
  • Fits 2007 GMC Sierra 1500 Classic, N/A, Standard; Kit w/ 47.5mm I.D. Release Bearing
  • Fits 2001-2006 GMC Sierra 1500, N/A, Standard; Kit w/ 47.5mm I.D. Release Bearing
  • Fits 1999-2000 Chevrolet Silverado 1500, N/A, Standard; Kit w/ 36.11mm I.D. Release Bearing
  • Fits 1999-2000 GMC Sierra 1500, N/A, Standard; Kit w/ 36.11mm I.D. Release Bearing

What It Is Used For

  • Replacing a worn or heat-checked clutch flywheel
  • Restoring smooth clutch engagement in manual transmission service
  • Addressing chatter, vibration, or uneven clutch contact surface wear
  • Correcting drivability issues tied to flywheel surface damage
  • Supporting proper clutch system operation in Silverado 1500 and Sierra 1500 applications

Installation Notes and Tips

Verify the year-specific release bearing inner diameter before installation, since the fitment notes differ between 1999-2000 and 2001-2007 applications. Confirm the vehicle’s exact model designation, including Silverado 1500 Classic or Sierra 1500 Classic where applicable, and match the flywheel to the transmission setup listed for the vehicle.

Quality Assurance

Sachs is an established OE-focused drivetrain brand, and this flywheel is cataloged with direct interchange reference 12557585 for application matching. Use the part number NFW1055 to confirm the correct clutch flywheel for the intended Chevrolet Silverado 1500 or GMC Sierra 1500 fitment.

Related reading

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2007ChevroletSilverado 1500 Classic4.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2007GMCSierra 1500 Classic4.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2006ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2006GMCSierra 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2005ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2005GMCSierra 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2004ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2004GMCSierra 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2003ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2003GMCSierra 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2002ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2002GMCSierra 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2001ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2001GMCSierra 15004.3LV6N/AStandard; Kit w/ 47.5mm I.D. Release Bearing
2000ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 36.11mm I.D. Release Bearing
2000GMCSierra 15004.3LV6N/AStandard; Kit w/ 36.11mm I.D. Release Bearing
1999ChevroletSilverado 15004.3LV6N/AStandard; Kit w/ 36.11mm I.D. Release Bearing
1999GMCSierra 15004.3LV6N/AStandard; Kit w/ 36.11mm I.D. Release Bearing
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12557585