Contact Us
Live Chat
or
1-888-220-8330
Search Bar
Search by Part Number or Keywords
My Garage
My Account
Cart
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Help Center
< Back
×
Live Chat
1-888-220-8330
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Login/Register
My Account
Track Order
Help Center
Contact Us
Home
>
Silverado 3500 HD
>
2021
>
Engine & Drivetrain
>
Timing Belts, Chains, Cams & Related Parts
>
Idler Pulley
2021 Chevrolet Silverado 3500 HD Idler Pulley
My Vehicle
Change Vehicle
2021 Chevrolet Silverado 3500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Timing Belts, Chains, Cams & Related Parts
Department
OE
Prices
$29.99 and under
$30 to $59.99
$60 to $99.99
$100 and over
7 Products found
Show Item:
30
60
90
Sort by:
Recommended
Filter
Sort
View by
View Related Parts
OEM (Genuine)
2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley
PartNumber:
12611935
VEHICLE SPECIFIC
Product Specifications
Notes:
6.6 Liter Diesel, W/O Dual Alternators, Type 1; 6.6 Liter Diesel, W/Dual Alternators, Type 1; Silverado, Sierra 3500 Hd; Dual Alternator; Diesel; Lower; Right;Silverado, Sierra 3500 Hd; Dual Alternator; Diesel; Upper;Silverado, Sierra 3500 Hd; Single Alternator; Diesel; Lower;Silverado, Sierra 3500 Hd; Single Alternator; Diesel; Upper
Other Names:
Idler Pulley, Serpentine Idler Pulley
Item Dimensions:
4.3 x 4.4 x 4.2 inches
Item Weight:
0.90 Pounds
Fitment Type:
Direct Replacement
Replaces:
12581700
Part Description:
2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley
More Info
Vehicle Fitment
2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
$54.11
MSRP:
$102.11
You Save: $48.00 (48%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley
PartNumber:
12695659
VEHICLE SPECIFIC
Product Specifications
Notes:
6.6 Liter Gas, W/O Dual Alternators; 6.6 Liter Gas, W/Dual Alternators, Smooth; Silverado, Sierra 3500 Hd; Dual Alternator; Gas; Upper;Silverado, Sierra 3500 Hd; Single Alternator; Gas
Location:
Passenger Side
Other Names:
Idler Pulley, Serpentine Idler Pulley
Item Dimensions:
5.0 x 4.6 x 4.4 inches
Item Weight:
0.80 Pounds
Fitment Type:
Direct Replacement
Replaces:
12605492
Part Description:
2021 Chevrolet Silverado 3500 HD Serpentine Idler Pulley
More Info
Vehicle Fitment
2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
$22.65
MSRP:
$42.77
You Save: $20.12 (48%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2021 Chevrolet Silverado 3500 HD Idler Pulley
PartNumber:
12626075
VEHICLE SPECIFIC
Product Specifications
Other Names:
Idler Pulley
Item Dimensions:
4.3 x 4.4 x 4.2 inches
Item Weight:
0.80 Pounds
Fitment Type:
Direct Replacement
Replaced by:
12728996
Part Description:
2021 Chevrolet Silverado 3500 HD Idler Pulley
More Info
Vehicle Fitment
2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
$46.31
MSRP:
$87.40
You Save: $41.09 (48%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2021 Chevrolet Silverado 3500 HD Idler Pulley
PartNumber:
12675951
VEHICLE SPECIFIC
Product Specifications
Other Names:
Idler Pulley
Item Dimensions:
3.2 x 3.2 x 3.1 inches
Item Weight:
1.30 Pounds
Fitment Type:
Direct Replacement
Replaced by:
12729057
Part Description:
2021 Chevrolet Silverado 3500 HD Idler Pulley
More Info
Vehicle Fitment
2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
$58.59
MSRP:
$106.55
You Save: $47.96 (46%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2021 Chevrolet Silverado 3500 HD Idler Pulley
PartNumber:
12676231
VEHICLE SPECIFIC
Product Specifications
Notes:
6.6 Liter Gas, W/Dual Alternators, Smooth; Silverado, Sierra 3500 Hd; Dual Alternator; Gas; Lower; Smooth
Location:
Driver Side
Other Names:
Idler Pulley
Item Dimensions:
3.2 x 3.1 x 3.2 inches
Item Weight:
1.30 Pounds
Fitment Type:
Direct Replacement
Replaced by:
12729056
Part Description:
2021 Chevrolet Silverado 3500 HD Idler Pulley
More Info
Vehicle Fitment
2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS
$87.18
MSRP:
$164.50
You Save: $77.32 (48%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2021 Chevrolet Silverado 3500 HD Idler Pulley
PartNumber:
12678981
VEHICLE SPECIFIC
Product Specifications
Other Names:
Idler Pulley
Item Dimensions:
4.8 x 4.6 x 4.5 inches
Item Weight:
3.10 Pounds
Replaced by:
12708716
Part Description:
2021 Chevrolet Silverado 3500 HD Idler Pulley
More Info
Vehicle Fitment
2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
$90.19
MSRP:
$170.19
You Save: $80.00 (48%)
Check Fit
Add to Cart
View Related Parts
OEM (Genuine)
2021 Chevrolet Silverado 3500 HD Idler Pulley
PartNumber:
12708716
VEHICLE SPECIFIC
Product Specifications
Notes:
6.6 Liter Diesel, W/O Dual Alternators, Type 2; 6.6 Liter Diesel, W/Dual Alternators, Type 2; Silverado, Sierra 3500 Hd; Dual Alternator; Diesel; Lower; Center;Silverado, Sierra 3500 Hd; Single Alternator; Diesel; Center
Location:
Passenger Side
Other Names:
Idler Pulley
Fitment Type:
Direct Replacement
Replaces:
12678981
Part Description:
2021 Chevrolet Silverado 3500 HD Idler Pulley
More Info
Vehicle Fitment
2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
$90.19
MSRP:
$170.19
You Save: $80.00 (48%)
Check Fit
Add to Cart