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OEM (Genuine) GMC K3500 Serpentine Idler Pulley
PartNumber: 12580773
Product Specifications- Other Names: Idler Pulley, Serpentine Idler Pulley
- Item Dimensions: 7.1 x 4.1 x 4.1 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12557819
- Part Description: GMC K3500 Serpentine Idler Pulley
$34.92 MSRP:$65.90You Save: $30.98 (48%)
Dorman® OE Solutions Vacuum Pump Pulley for GMC K3500
PartNumber: 300-702Product Specifications- Belt Type: Serpentine
- Color: Black
- Installation Hardware Included: No
- Installation Instructions Included: No
- Item Grade: Standard Replacement
- Material: Steel
- Mounting Hole Quantity: 1
- OE Part Number: 15589757
- Outside Diameter: 4.91
- Package Contents: 1 Vacuum Pump Pulley
- Pulley Type/Grooves: Smooth
- UPC: 019495240006
- Width: 0.98
- Part Description: GMC K3500 OE Solutions Vacuum Pump Pulley
$69.41
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
PartNumber: 36177Product Specifications- 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: GMC K3500 Drivealign Drive Belt Idler Pulley
$38.67
Dayco® No Slack Light Duty Idler Tensioner Pulley for GMC K3500
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: GMC K3500 No Slack Light Duty Idler Tensioner Pulley
$33.22
Four Seasons® Drive Belt Idler Pulley for GMC K3500
PartNumber: 45982Product Specifications- Belt Type: Serpentine
- Belt Width IN: 0.625
- Belt Width MM: 15.875
- Bore Dia. IN: .67
- Color: Black
- Description: Idler / Tensioner Pulley
- Groove Quantity: 4
- I.D. MM: 17
- Inside Diameter: 0.6875
- Material: Plastic
- Meets / Exceeds OEM?: Yes
- Mount Hole Qty: 1
- Mounting Hardware?: Not Included
- O.D. MM: 95.250
- Outside Diameter: 3.750
- Pulley Type: Idler Pulley
- Pulley Width IN: .69
- Pulley Width MM: Idler / Tensioner Pulley
- Style: Idler / Tensioner Pulley
- UPC: 096361459823
- Width: 22.2
- Part Description: GMC K3500 Drive Belt Idler Pulley
$23.06
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
PartNumber: 38015Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: Smooth/Backside
- Material: Thermoplastic
- Number of Grooves: 0
- Number Of Pulleys: 1
- Outside Diameter: 76 mm
- Pulley 1 Flanged: No
- UPC: 072053472349
- Width: 26 mm
- Part Description: GMC K3500 Drivealign Drive Belt Idler Pulley
$25.01
Dayco® No Slack Light Duty New Style Idler Tensioner Pulley for GMC K3500
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: GMC K3500 No Slack Light Duty New Style Idler Tensioner Pulley
$18.94
Four Seasons® Idler Tensioner Pulley for GMC K3500
PartNumber: 45935Product Specifications- Belt Type: Back Idler
- Belt Width IN: 1.000
- Belt Width MM: 28.575
- Bore Dia. IN: .472
- Color: Black
- Description: Idler / Tensioner Pulley
- 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: GMC K3500 Idler Tensioner Pulley
$19.69
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
PartNumber: 38001Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: Smooth/Backside
- Material: Steel
- Number of Grooves: 0
- Number Of Pulleys: 1
- Outside Diameter: 90 mm
- Pulley 1 Flanged: No
- UPC: 072053415254
- Width: 30 mm
- Part Description: GMC K3500 Drivealign Drive Belt Idler Pulley
$18.88OEM (Genuine) GMC K3500 Serpentine Idler Pulley
PartNumber: 10129560
Product Specifications- Other Names: Idler Pulley, Serpentine Idler Pulley
- Item Dimensions: 3.0 x 3.1 x 3.1 inches
- Item Weight: 1.00 Pounds
- Fitment Type: Direct Replacement
- Part Description: GMC K3500 Serpentine Idler Pulley
$43.10 MSRP:$81.34You Save: $38.24 (48%)
Dayco® No Slack Light Duty Idler Tensioner Pulley for GMC K3500
PartNumber: 89007Product 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: 76
- Pulley Width: 31
- UPC: 038244156955
- Part Description: GMC K3500 No Slack Light Duty Idler Tensioner Pulley
$15.95
Four Seasons® Drive Belt Idler Pulley for GMC K3500
PartNumber: 45066Product Specifications- Belt Type: Serpentine
- Belt Width IN: 0.750
- Belt Width MM: 19.050
- Bore Dia. IN: .67
- Color: Black
- Description: Idler / Tensioner Pulley
- 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: 88.900
- Outside Diameter: 3.500
- Pulley Type: Idler Pulley
- Pulley Width IN: 1
- Pulley Width MM: Idler / Tensioner Pulley
- Style: Idler / Tensioner Pulley
- UPC: 096361450660
- Width: 25.4
- Part Description: GMC K3500 Drive Belt Idler Pulley
$16.83
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
PartNumber: 38006Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: Smooth/Backside
- Material: Steel
- Number of Grooves: 0
- Number Of Pulleys: 1
- Outside Diameter: 2.99"
- Pulley 1 Flanged: No
- UPC: 072053415308
- Width: 30.5 mm
- Part Description: GMC K3500 Drivealign Drive Belt Idler Pulley
$19.12
OEM (Genuine) GMC K3500 Idler Pulley
PartNumber: 12552361
Product Specifications- Other Names: Idler Pulley
- Item Dimensions: 4.4 x 4.4 x 1.6 inches
- Item Weight: 1.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: GMC K3500 Idler Pulley
$111.39 MSRP:$202.54You Save: $91.15 (46%)
Dayco® No Slack Light Duty Idler Tensioner Pulley for GMC K3500
PartNumber: 89015Product 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: 70
- Pulley Width: 28.3
- UPC: 036687135353
- Part Description: GMC K3500 No Slack Light Duty Idler Tensioner Pulley
$14.88
Four Seasons® Drive Belt Idler Pulley for GMC K3500
PartNumber: 45010Product Specifications- Belt Type: Serpentine
- Belt Width IN: 0.875
- Belt Width MM: 22.225
- Bore Dia. IN: .69
- Color: Black
- Description: Idler / Tensioner Pulley
- Groove Quantity: 6
- I.D. MM: 17.463
- Inside Diameter: 0.6875
- Material: Plastic
- Meets / Exceeds OEM?: Yes
- Mount Hole Qty: 1
- Mounting Hardware?: Not Included
- O.D. MM: 109.538
- Outside Diameter: 4.3125
- Pulley Type: Idler Pulley
- Pulley Width IN: 1
- Pulley Width MM: Idler / Tensioner Pulley
- Style: Idler / Tensioner Pulley
- UPC: 096361450103
- Width: 25.4
- Part Description: GMC K3500 Drive Belt Idler Pulley
$16.50
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
PartNumber: 38024Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: V-Ribbed
- Material: Thermoplastic
- Number of Grooves: 6
- Number Of Pulleys: 1
- Outside Diameter: 109 mm
- Pulley 1 Flanged: Yes
- UPC: 072053542004
- Width: 26.3 mm
- Part Description: GMC K3500 Drivealign Drive Belt Idler Pulley
$16.43
Dayco® No Slack Light Duty Idler Tensioner Pulley for GMC K3500
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: GMC K3500 No Slack Light Duty Idler Tensioner Pulley
$13.50
Four Seasons® Drive Belt Idler Pulley for GMC K3500
PartNumber: 45990Product Specifications- Belt Type: Serpentine
- Belt Width IN: 1.000
- Belt Width MM: 25.400
- Bore Dia. IN: .47
- Color: Black
- Description: Idler / Tensioner Pulley
- Groove Quantity: Smooth
- I.D. MM: 12.0
- Inside Diameter: 0.46875
- 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: 096361459908
- Width: 25.4
- Part Description: GMC K3500 Drive Belt Idler Pulley
$16.18
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
PartNumber: 38020Product 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: 072053525748
- Width: 30.5 mm
- Part Description: GMC K3500 Drivealign Drive Belt Idler Pulley
$16.41
OEM (Genuine) GMC K3500 Serpentine Idler Pulley
PartNumber: 12634218
Product Specifications- 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: GMC K3500 Serpentine Idler Pulley
$63.01 MSRP:$118.90You Save: $55.89 (48%)
Four Seasons® Drive Belt Idler Pulley for GMC K3500
PartNumber: 45976Product Specifications- Belt Type: Serpentine
- Belt Width IN: 1.125
- Belt Width MM: 28.575
- Bore Dia. IN: .69
- Color: Black
- Description: Idler / Tensioner Pulley
- Groove Quantity: 6
- I.D. MM: 17
- Inside Diameter: 0.6875
- Material: Plastic
- Meets / Exceeds OEM?: Yes
- Mount Hole Qty: 1
- Mounting Hardware?: Not Included
- O.D. MM: 95.250
- Outside Diameter: 3.750
- Pulley Type: Idler Pulley
- Pulley Width IN: 1.125
- Pulley Width MM: 28.6
- Style: Idler / Tensioner Pulley
- UPC: 096361459762
- Width: 28.6
- Part Description: GMC K3500 Drive Belt Idler Pulley
$16.89
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
PartNumber: 38019Product 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: 3.54"
- Pulley 1 Flanged: Yes
- UPC: 072053557510
- Width: 26.3 mm
- Part Description: GMC K3500 Drivealign Drive Belt Idler Pulley
$15.68
OEM (Genuine) GMC K3500 Serpentine Idler Pulley
PartNumber: 12580772
Product Specifications- Other Names: Idler Pulley, Serpentine Idler Pulley
- Item Dimensions: 3.5 x 3.1 x 3.1 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 10239930
- Part Description: GMC K3500 Serpentine Idler Pulley
$38.12 MSRP:$71.94You Save: $33.82 (48%)
Four Seasons® Drive Belt Idler Pulley for GMC K3500
PartNumber: 45975Product Specifications- Belt Type: Serpentine
- Belt Width IN: 1.000
- Belt Width MM: 25.400
- Bore Dia. IN: .69
- Color: Black
- Description: Idler / Tensioner Pulley
- 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: GMC K3500 Drive Belt Idler Pulley
$13.76
Gates® Drivealign Grooved Drive Belt Idler Pulley for GMC K3500
PartNumber: 38008Product 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: 2.76"
- Pulley 1 Flanged: Yes
- UPC: 072053284232
- Width: 25 mm
- Part Description: GMC K3500 Drivealign Grooved Drive Belt Idler Pulley
$16.18
Four Seasons® Back Drive Belt Idler Pulley for GMC K3500
PartNumber: 45979Product Specifications- Belt Type: Back Idler
- Belt Width IN: 1.000
- Belt Width MM: 25.400
- Bore Dia. IN: .67
- Color: Black
- Description: Idler / Tensioner Pulley
- 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: 76.200
- Outside Diameter: 3.000
- Pulley Type: Idler Pulley
- Pulley Width IN: 1.18
- Pulley Width MM: Idler / Tensioner Pulley
- Style: Idler / Tensioner Pulley
- UPC: 096361459793
- Width: 30
- Part Description: GMC K3500 Back Drive Belt Idler Pulley
$13.63
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
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: GMC K3500 Drivealign Drive Belt Idler Pulley
$15.68
Four Seasons® Drive Belt Idler Pulley for GMC K3500
PartNumber: 45971Product Specifications- Belt Type: Serpentine
- Belt Width IN: .88
- Belt Width MM: 22.4
- Bore Dia. IN: .67
- Color: Black
- Description: Idler / Tensioner Pulley
- 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: GMC K3500 Drive Belt Idler Pulley
$12.39
Gates® Drivealign Drive Belt Idler Pulley for GMC K3500
PartNumber: 38017Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: V-Ribbed
- Material: Thermoplastic
- Number of Grooves: 4
- Number Of Pulleys: 1
- Outside Diameter: 90 mm
- Pulley 1 Flanged: Yes
- UPC: 072053472387
- Width: 22 mm
- Part Description: GMC K3500 Drivealign Drive Belt Idler Pulley
$14.65
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Next >About GMC K3500 Idler Pulley
From 1988 through 2002, General Motors manufactured the GMC K3500. The GMC K3500 is a car that consistently provides performance. The brand appeals to drivers with high-quality parts. The idler pulley is essential because it is in charge of routing the timing belt so that it remains in the correct position. GMC K3500's faulty parts can cause overheating, stalling, and a decline in tension.
GMC K3500 stands out for its great parts. However, consumers need a new one if these parts are worn or damaged. The removal process for GMC K3500's idler pulley is as follows: First open the hood, next remove the engine drive belt, then locate the idler pulley, remove the mounting bolt for the idler pulley, and remove the pulley from the engine. An idler pulley should be replaced every 50,000 to 100,000 miles. The vast catalog includes the braking system, the powertrain, the chassis, and other types of crucial parts. Great delivery and online services are offered to car buyers.