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OEM (Genuine) 2007 GMC Sierra 3500 Classic Serpentine Idler Pulley
PartNumber: 12669569
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: 2007 GMC Sierra 3500 Classic Serpentine Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
$52.78 MSRP:$99.60You Save: $46.82 (48%)
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.6L
$37.50
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
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 Classic No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.6L
$33.22
OEM (Genuine) 2007 GMC Sierra 3500 Classic Serpentine Tensioner
PartNumber: 12580196
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: 2007 GMC Sierra 3500 Classic Serpentine Tensioner
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS
$54.13 MSRP:$102.15You Save: $48.02 (48%)
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 8.1L
$25.40
Four Seasons® Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.6L
$19.69
Dayco® No Slack Light Duty New Style Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
PartNumber: 89006Product Specifications- Notes: w/AC
- 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 Classic No Slack Light Duty New Style Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 8.1L
$19.32
OEM (Genuine) 2007 GMC Sierra 3500 Classic Serpentine Tensioner
PartNumber: 98094201
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: 2007 GMC Sierra 3500 Classic Serpentine Tensioner
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$83.78 MSRP:$138.67You Save: $54.89 (40%)
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
$24.88
Four Seasons® Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 8.1L
$13.76
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
PartNumber: 89542Product Specifications- Notes: Steel Pulley, 12mm Bearing ID, Fits OE Tensioner;Steel Pulley, 12mm Bearing ID
- 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 Classic No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
$21.65
OEM (Genuine) 2007 GMC Sierra 3500 Classic Serpentine Idler Pulley
PartNumber: 98057284
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: 2007 GMC Sierra 3500 Classic Serpentine Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$28.48 MSRP:$53.75You Save: $25.27 (48%)
Gates® Drivealign Upper Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drivealign Upper Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.6L
$23.82
Four Seasons® Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.6L
$11.25
Dayco® No Slack Upper Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
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 Classic No Slack Upper Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.6L
$19.94
OEM (Genuine) 2007 GMC Sierra 3500 Classic Serpentine Idler Pulley
PartNumber: 12634218
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: 2007 GMC Sierra 3500 Classic Serpentine Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$63.01 MSRP:$118.90You Save: $55.89 (48%)
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.6L
$20.22
Four Seasons® Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 8.1L
$12.39
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
PartNumber: 89135Product 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: 2007 GMC Sierra 3500 Classic No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 8.1L
$16.04
Gates® Drivealign Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
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 Classic Drivealign Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 8.1L
$15.36
Four Seasons® Drive Belt Idler Pulley for 2007 GMC Sierra 3500 Classic
PartNumber: 45084Product 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: 2007 GMC Sierra 3500 Classic Drive Belt Idler Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 8.1L
$10.53
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
PartNumber: 89550Product Specifications- Notes: Plastic Pulley, 17mm Bearing ID, Fits Dayco Tensioner;Plastic Pulley, 17mm Bearing ID
- 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 Classic No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
$15.96
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
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 Classic No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.0L
- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 8.1L
$13.50
Dayco® No Slack Light Duty Idler Tensioner Pulley for 2007 GMC Sierra 3500 Classic
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 Classic No Slack Light Duty Idler Tensioner Pulley
Vehicle Fitment- 2007 GMC Sierra 3500 Classic | All Trims | 8 Cyl 6.6L
$15.70
FAQ for Idler Pulley Repair
Q: How to install the drive belt idler pulley?
A:
The proper way is to position the drive belt idler pulley to the generator bracket and install the accessory drive belt.
By Bob
GM Specialist
01/11/2022Q: How to remove the drive belt idler pulley?
A:
The proper way is to remove the accessory drive belt, loosen the drive belt idler pulley bolt, and remove the idler pulley.
By Bob
GM Specialist
01/11/2022