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2003 GMC Sierra 3500 Idler Pulley
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2003 GMC Sierra 3500
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$36.61Product Specifications- Notes: w/o AC
- Bearing Bore Inside Diameter 1: 12 mm
- Contact Surface: V-Ribbed Grooved
- Material: Steel
- Number of Grooves: 6
- Number Of Pulleys: 1
- Outside Diameter: 85 mm
- Pulley 1 Flanged: Yes
- UPC: 072053392852
- Width: 29 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$35.76Product Specifications- Notes: w/o AC
- Bearing Inner Diameter 1: 12
- Bearing Width: 12
- Belt Type: Serpentine
- Flat: N
- Groove Quantity: 6
- Material: Steel
- Max Belt Width: 06 Rib
- Number of Bearings: 1
- Pulley Outside Diameter: 90
- Pulley Width: 30
- UPC: 036687655264
- Part Description: 2003 GMC Sierra 3500 No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$29.76Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: Smooth/Backside
- Material: Steel
- Number of Grooves: 0
- Number Of Pulleys: 1
- Outside Diameter: 3.54"
- Pulley 1 Flanged: No
- UPC: 072053394078
- Width: 31 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$21.77Product Specifications- Notes: Grooved; w/o AC
- Belt Type: Back Idler
- Belt Width IN: 1.000
- Belt Width MM: 28.575
- Bore Dia. IN: .472
- Color: Black
- Groove Quantity: 6
- I.D. MM: 32.0
- Inside Diameter: 1.18
- Material: Steel
- Meets / Exceeds OEM: Yes
- Mount Hole Qty: 1
- Mounting Hardware: Not Included
- O.D. MM: 90.488
- Outside Diameter: 3.500
- Pulley Type: Idler Pulley
- Pulley Width IN: 1.130
- Pulley Width MM: Idler / Tensioner Pulley
- Style: Idler / Tensioner Pulley
- UPC: 096361030800
- Width: 30
- Part Description: 2003 GMC Sierra 3500 Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
Dayco® No Slack Light Duty New Style Idler Tensioner Pulley for 2003 GMC Sierra 3500
PartNumber: 89006$20.80Product Specifications- Bearing Inner Diameter 1: 17
- Bearing Width: 12
- Belt Type: Serpentine
- Flat: Y
- Material: Steel
- Max Belt Width: 06 Rib
- Number of Bearings: 1
- Pulley Outside Diameter: 90
- Pulley Width: 30
- UPC: 038244156948
- Part Description: 2003 GMC Sierra 3500 No Slack Light Duty New Style Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$81.33 MSRP:$153.48You Save: $72.15 (48%)Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter; 8.1 Liter Gas
- Other Names: Idler Pulley, Serpentine Idler Pulley
- Item Dimensions: 6.8 x 4.4 x 4.4 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12555609, 12580771
- Part Description: 2003 GMC Sierra 3500 Serpentine Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
$28.99Product Specifications- Bearing Bore Inside Diameter 1: 12 mm
- Contact Surface: Smooth/Backside
- Material: Steel
- Number of Grooves: 0
- Number Of Pulleys: 1
- Outside Diameter: 60 mm
- Pulley 1 Flanged: No
- UPC: 072053392777
- Width: 21.25 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$14.77Product Specifications- Belt Type: Serpentine
- Belt Width IN: 1.000
- Belt Width MM: 25.400
- Bore Dia. IN: .69
- Color: Black
- Groove Quantity: Smooth
- I.D. MM: 17
- Inside Diameter: 0.6875
- Material: Steel
- Meets / Exceeds OEM: Yes
- Mount Hole Qty: 1
- Mounting Hardware: Not Included
- O.D. MM: 88.900
- Outside Diameter: 3.500
- Pulley Type: Back Idler
- Pulley Width IN: 1
- Pulley Width MM: 25.4
- Style: Idler / Tensioner Pulley
- UPC: 096361459755
- Width: 25.4
- Part Description: 2003 GMC Sierra 3500 Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$23.30Product Specifications- Notes: Steel Pulley, 12mm Bearing ID;Steel Pulley, 12mm Bearing ID, Fits OE Tensioner
- Bearing Inner Diameter 1: 12
- Bearing Width: 8
- Belt Type: Serpentine
- Flat: Y
- Material: Steel
- Max Belt Width: 04 Rib
- Number of Bearings: 1
- Pulley Outside Diameter: 60
- Pulley Width: 21
- UPC: 036687843036
- Part Description: 2003 GMC Sierra 3500 No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$27.89Product Specifications- Notes: w/AC
- Bearing Bore Inside Diameter 1: 10 mm
- Contact Surface: Smooth/Backside
- Material: Steel
- Number of Grooves: 0
- Number Of Pulleys: 1
- Outside Diameter: 2.99"
- Pulley 1 Flanged: No
- UPC: 072053394184
- Width: 31.5 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign Upper Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$12.44Product Specifications- Notes: Smooth
- Belt Type: Serpentine
- Belt Width IN: 1.000
- Belt Width MM: 25.400
- Bore Dia. IN: .399
- Color: Black
- Groove Quantity: Smooth
- I.D. MM: 10.160
- Inside Diameter: 0.390625
- Material: Steel
- Meets / Exceeds OEM: Yes
- Mount Hole Qty: 1
- Mounting Hardware: Not Included
- O.D. MM: 76.200
- Outside Diameter: 3.000
- Pulley Type: Back Idler
- Pulley Width IN: 1.18
- Pulley Width MM: 30
- Style: Idler / Tensioner Pulley
- UPC: 096361450714
- Width: 30
- Part Description: 2003 GMC Sierra 3500 Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$83.43 MSRP:$157.44You Save: $74.01 (48%)Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter, AC Belt
- Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
- Item Dimensions: 4.8 x 3.1 x 2.7 inches
- Item Weight: 1.10 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12562065, 12565372
- Part Description: 2003 GMC Sierra 3500 Serpentine Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
$21.47Product Specifications- Notes: Dual Alts.;Single Alt.
- Bearing Inner Diameter 1: 10.15
- Bearing Width: 14
- Belt Type: Serpentine
- Flat: Y
- Material: Steel
- Max Belt Width: 06 Rib
- Number of Bearings: 1
- Pulley Outside Diameter: 76
- Pulley Width: 30
- UPC: 036687653963
- Part Description: 2003 GMC Sierra 3500 No Slack Upper Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$23.09Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: V-Ribbed Grooved
- Material: Steel
- Number of Grooves: 6
- Number Of Pulleys: 1
- Outside Diameter: 70 mm
- Pulley 1 Flanged: No
- UPC: 072053393460
- Width: 23 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$10.73Product Specifications- Belt Type: Serpentine
- Belt Width IN: .88
- Belt Width MM: 22.4
- Bore Dia. IN: .67
- Color: Black
- Groove Quantity: 6
- I.D. MM: 17
- Inside Diameter: 0.671875
- Material: Plastic
- Meets / Exceeds OEM: Yes
- Mount Hole Qty: 1
- Mounting Hardware: Not Included
- O.D. MM: 76.0
- Outside Diameter: 2.99
- Pulley Type: Idler Pulley
- Pulley Width IN: 1.13
- Pulley Width MM: 28.7
- Style: Idler / Tensioner Pulley
- UPC: 096361459717
- Width: 28.7
- Part Description: 2003 GMC Sierra 3500 Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$17.26Product Specifications- Bearing Inner Diameter 1: 17
- Bearing Width: 12
- Belt Type: Serpentine
- Flat: Y
- Material: Steel
- Max Belt Width: 04 Rib
- Number of Bearings: 1
- Pulley Outside Diameter: 63.3
- Pulley Width: 17.75
- UPC: 036687614834
- Part Description: 2003 GMC Sierra 3500 No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$18.00Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: V-Ribbed Grooved
- Material: Thermoplastic
- Number of Grooves: 6
- Number Of Pulleys: 1
- Outside Diameter: 2.99"
- Pulley 1 Flanged: Yes
- UPC: 072053284256
- Width: 25 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$89.87 MSRP:$148.75You Save: $58.88 (40%)Product Specifications- Notes: 6.6 Liter Turbo Diesel; All Models; 6.6l
- Other Names: Belt Tensioner, Serpentine Tensioner
- Item Dimensions: 7.0 x 6.3 x 4.3 inches
- Item Weight: 1.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 97288625, 97329062
- Part Description: 2003 GMC Sierra 3500 Serpentine Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$11.50Product Specifications- Belt Type: Serpentine
- Belt Width IN: 0.500
- Belt Width MM: 15.9
- Bore Dia. IN: .67
- Color: Black
- Groove Quantity: Smooth
- I.D. MM: 17
- Inside Diameter: 0.671875
- Material: Steel
- Meets / Exceeds OEM: Yes
- Mount Hole Qty: 1
- Mounting Hardware: Not Included
- O.D. MM: 63.500
- Outside Diameter: 2.48
- Pulley Type: Idler Pulley
- Pulley Width IN: 0.71
- Pulley Width MM: Idler Pulley
- Style: Idler Pulley
- UPC: 096361085718
- Width: 17.5
- Part Description: 2003 GMC Sierra 3500 Drive Belt Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$17.18Product Specifications- Notes: Plastic Pulley, 17mm Bearing ID;Plastic Pulley, 17mm Bearing ID, Fits Dayco Tensioner
- Bearing Inner Diameter 1: 17
- Bearing Width: 12
- Belt Type: Serpentine
- Flat: Y
- Material: Polymer
- Max Belt Width: 04 Rib
- Number of Bearings: 1
- Pulley Outside Diameter: 60
- Pulley Width: 20
- UPC: 036687845047
- Part Description: 2003 GMC Sierra 3500 No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$14.52Product Specifications- Bearing Inner Diameter 1: 17
- Bearing Width: 12
- Belt Type: Serpentine
- Flat: N
- Groove Quantity: 6
- Material: Polymer
- Max Belt Width: 06 Rib
- Number of Bearings: 1
- Pulley Outside Diameter: 76
- Pulley Width: 28.7
- UPC: 038244156979
- Part Description: 2003 GMC Sierra 3500 No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$16.91Product Specifications- Bearing Inner Diameter 1: 17
- Bearing Width: 12
- Belt Type: Serpentine
- Flat: N
- Groove Quantity: 6
- Material: Steel
- Max Belt Width: 06 Rib
- Number of Bearings: 1
- Pulley Outside Diameter: 76
- Pulley Width: 30.1
- UPC: 036687308733
- Part Description: 2003 GMC Sierra 3500 No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$29.26 MSRP:$55.21You Save: $25.95 (48%)Product Specifications- Notes: 6.6 Liter Turbo Diesel, Smooth
- Other Names: Idler Pulley, Serpentine Idler Pulley
- Item Dimensions: 4.4 x 4.2 x 2.2 inches
- Item Weight: 1.10 Pounds
- Fitment Type: Direct Replacement
- Replaces: 97209546, 98072072, 97233352
- Part Description: 2003 GMC Sierra 3500 Serpentine Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$66.46 MSRP:$125.42You Save: $58.96 (48%)Product Specifications- Notes: 6.6 Liter Turbo Diesel, Grooved
- Other Names: Idler Pulley, Pulley, Serpentine Idler Pulley
- Item Dimensions: 4.3 x 4.3 x 2.1 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 14102597
- Part Description: 2003 GMC Sierra 3500 Serpentine Idler Pulley
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
FAQ for Idler Pulley Repair
Q: How to install the idler pulley?
A:
You can install the drive belt idler pulley and bolt to the generator bracket, and the drive belt, and tighten the drive belt idler pulley bolt.
By Bob
GM Specialist
01/11/2022Q: What is the recommended bolt torque for the idler pulley?
A:
The recommended bolt torque is 50 Nm (37 ft. lbs.).
By Bob
GM Specialist
01/11/2022Q: How to remove the idler pulley?
A:
You can loosen the drive belt idler pulley bolt, remove the accessory drive belt, and the drive belt idler pulley and bolt.
By Bob
GM Specialist
01/11/2022