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2003 GMC Sierra 2500 HD
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2003 GMC Sierra 2500 HD

2003 GMC Sierra 2500 HD Flex Plates

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Flex Plate
AC Delco®
Flex Plate
Part Number: AC12621644
Guaranteed to Fit
$276.99
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.6L USE FLYWHEEL WASHER #12638261, transmissionmfrcode : 1000/M74
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.6L USE FLYWHEEL WASHER #12638261, transmissionmfrcode : 1000/M74
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.6L USE FLYWHEEL WASHER #12638261, transmissionmfrcode : 1000/M74
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.6L USE FLYWHEEL WASHER #12638261, transmissionmfrcode : 1000/M74
Product Details
Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Flex Plate - Direct Fit
ATP®
Flex Plate - Direct Fit
Part Number: ATPZ-492
Guaranteed to Fit
$217.49
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 8.1L Teeth: 168; Outer Diameter: 14.125
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 8.1L Teeth: 168; Outer Diameter: 14.125
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 8.1L Teeth: 168; Outer Diameter: 14.125
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 8.1L Teeth: 168; Outer Diameter: 14.125
Product Details
Tooth Quantity : 168 Tooth CountOutside Diameter : 14.13 in.Recommended Use : OE ReplacementProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1-year ATP limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Steel Performance Series Flex Plate - Steel, Direct Fit
Hays®
Steel Performance Series Flex Plate - Steel, Direct Fit
Part Number: H2910030
Guaranteed to Fit
$161.95
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Neutral Internal Balance, 168 Tooth, 6 Bolt
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.0L Neutral Internal Balance, 168 Tooth, 6 Bolt
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Neutral Internal Balance, 168 Tooth, 6 Bolt
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L Neutral Internal Balance, 168 Tooth, 6 Bolt
Product Details
Notes : Zinc-Dichromate Plated; GM LSBolt Pattern : 6 BoltMaterial : SteelTooth Quantity : 168Series : Steel Performance SeriesSafety Rating : Sfi 29.1Recommended Use : PerformanceProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 90-day Hays limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

GM Original Equipment Series Flex Plate
AC Delco®
GM Original Equipment Series Flex Plate
Part Number: AC19260102
Guaranteed to Fit
$97.99
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.0L 4-Speed, Automatic Transmission, transmissionmfrcode : 4L80-E, Use T/W Bolt Pn 19257940 (Qty 6) & Spacer Pn 12563532 (Qty 1)
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.0L 4-Speed, Automatic Transmission, transmissionmfrcode : 4L80-E, Use T/W Bolt Pn 19257940 (Qty 6) & Spacer Pn 12563532 (Qty 1)
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.0L 4-Speed, Automatic Transmission, transmissionmfrcode : 4L80-E, Use T/W Bolt Pn 19257940 (Qty 6) & Spacer Pn 12563532 (Qty 1)
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L 4-Speed, Automatic Transmission, transmissionmfrcode : 4L80-E, Use T/W Bolt Pn 19257940 (Qty 6) & Spacer Pn 12563532 (Qty 1)
Product Details
Series : GM Original Equipment SeriesQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Flex Plate - Steel, Direct Fit
B&M®
Flex Plate - Steel, Direct Fit
Part Number: B3270499
Guaranteed to Fit
$25.87
Vehicle Fitment
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.0L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 8.1L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.6L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 8.1L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.0L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 8.1L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD SLE 8 Cyl 6.6L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD WT 8 Cyl 6.6L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.0L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 6.6L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD Base 8 Cyl 8.1L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
  • 2003 GMC Sierra 2500 HD SLT 8 Cyl 6.0L transmissionmfrcode : 4L80-E, transmissionmfrname : General Motors, transmissioneleccontrolled : Y
Product Details
Material : SteelRecommended Use : Performance ReplacementProduct Fit : Direct FitQuantity Sold : Sold individuallyWarranty : 1-year B&M limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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Engine Knocking Sound: What Does it Mean?
Engine Knocking Sound: What Does it Mean?You may notice that the noise becomes more frequent when engine speed is increased, especially if the sound is due to a failed bearing. What Does a Knocking Noise in the Engine Mean?
Flex Plate vs Flywheel: What’s the Difference?
Flex Plate vs Flywheel: What’s the Difference?The flex plate is bolted to the rear of the crankshaft with a circle of bolts at its center, and is bolted with from 3 to 8 bolts to the torque converter around its outside edge. Most flex plates have the ring gear for the starter drive around their outside
Car Troubles: Where Is That Screeching Noise Coming From?
Car Troubles: Where Is That Screeching Noise Coming From?A screeching noise coming from your engine compartment can typically be isolated with a few simple steps. Make sure to wear safety glasses and keep away from moving parts when checking your vehicle.
A Quick Guide to Flex Plates
A Quick Guide to Flex PlatesThe flex plate gets its name from how its thin shape flexes in response to the force applied by the crankshaft. Its flexibility can compensate for gear shifts, erratic power output, and minor misalignments between the engine and transmission.