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OEM (Genuine) 2007 GMC Sierra 3500 HD Serpentine Idler Pulley
PartNumber: 12669569
Product Specifications- Notes: 4.8, 5.3, 6.0 & 6.2 Liter; 4.8, 5.3 & 6.0 Liter; Silverado, Sierra; 4.3l, 4.8l, 5.3l, 6.0l
- 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: 2007 GMC Sierra 3500 HD Serpentine Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$54.20 MSRP:$102.28You Save: $48.08 (48%)
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 36177Product 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: 2007 GMC Sierra 3500 HD Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
$29.47
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 89170Product Specifications- 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: 2007 GMC Sierra 3500 HD No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
$33.22
OEM (Genuine) 2007 GMC Sierra 3500 HD Serpentine Tensioner
PartNumber: 12580196
Product Specifications- Notes: 4.8, 5.3, 6.0 & 6.2 Liter, AC Belt; 4.8, 5.3 & 6.0 Liter, AC Belt; Silverado, Sierra; 4.8l, 5.3l, 6.0l, 6.2l
- 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: 2007 GMC Sierra 3500 HD Serpentine Tensioner
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.0 L GAS
$55.60 MSRP:$104.91You Save: $49.31 (48%)
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 36299Product 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: 2007 GMC Sierra 3500 HD Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$25.40
Four Seasons® Idler Tensioner Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 45935Product 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: 2007 GMC Sierra 3500 HD Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
$19.69
Dayco® No Slack Light Duty New Style Idler Tensioner Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 89006Product 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: 2007 GMC Sierra 3500 HD No Slack Light Duty New Style Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$19.32
OEM (Genuine) 2007 GMC Sierra 3500 HD Serpentine Tensioner
PartNumber: 98094201
Product Specifications- Notes: 6.6 Liter Diesel; 6.6 Liter Turbo Diesel; Silverado, Sierra; 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: 2007 GMC Sierra 3500 HD Serpentine Tensioner
Vehicle Fitment- 2007 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$86.04 MSRP:$142.41You Save: $56.37 (40%)
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 36169Product 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: 2007 GMC Sierra 3500 HD Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$24.88
Four Seasons® Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 45975Product 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: 2007 GMC Sierra 3500 HD Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$13.76
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 89542Product 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: 2007 GMC Sierra 3500 HD No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$21.65
OEM (Genuine) 2007 GMC Sierra 3500 HD Serpentine Idler Pulley
PartNumber: 98057284
Product Specifications- Notes: 6.6 Liter Diesel, Smooth; 6.6 Liter Turbo Diesel, Smooth; Silverado, Sierra; 6.2l, 6.6l; Lower
- 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: 2007 GMC Sierra 3500 HD Serpentine Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$29.26 MSRP:$55.21You Save: $25.95 (48%)
Gates® Drivealign Upper Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 36310Product 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: 2007 GMC Sierra 3500 HD Drivealign Upper Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
$23.82
Four Seasons® Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 45071Product 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: 2007 GMC Sierra 3500 HD Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
$11.25
Dayco® No Slack Upper Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 89165Product Specifications- 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: 2007 GMC Sierra 3500 HD No Slack Upper Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
$19.94
OEM (Genuine) 2007 GMC Sierra 3500 HD Serpentine Idler Pulley
PartNumber: 12634218
Product Specifications- Notes: 6.6 Liter Diesel, Grooved; 6.6 Liter Turbo Diesel, Grooved; Silverado, Sierra; 6.2l, 6.6l; Upper
- 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: 2007 GMC Sierra 3500 HD Serpentine Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$64.71 MSRP:$122.12You Save: $57.41 (48%)
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 36239Product 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: 2007 GMC Sierra 3500 HD Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
$20.22
Four Seasons® Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 45971Product 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: 2007 GMC Sierra 3500 HD Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$12.39
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 89550Product 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: 2007 GMC Sierra 3500 HD No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$15.96
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 38009Product 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: 2007 GMC Sierra 3500 HD Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$15.36
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 89009Product 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: 2007 GMC Sierra 3500 HD No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$13.50
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 HD
PartNumber: 89051Product 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: 2007 GMC Sierra 3500 HD No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
$15.70
FAQ for Idler Pulley Repair
Q: How to install the drive belt idler pulley?
A:
You should place the drive belt idler pulley to the generator bracket and tighten the idler pulley bolt finger tight, tighten the drive belt idler pulley bolt and then install the accessory drive belt.
By Bob
GM Specialist
01/11/2022Q: How to remove the drive belt idler pulley?
A:
You should remove the accessory drive belt and loosen the drive belt idler pulley bolt and remove the idler pulley.
By Bob
GM Specialist
01/11/2022Q: What is the recommended torque for the drive belt idler pulley bolt?
A:
The recommended torque is 50 N.m (37 lb-ft).
By Bob
GM Specialist
01/11/2022