108 products about 2021 GMC Sierra 2500 HD Timing Belts, Chains, Cams & Related Parts found
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Timing Chain
- Item Dimensions: 9.6 x 6.2 x 0.7 inches
- Item Weight: 0.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Timing Chain
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$58.89 MSRP: $93.47
You Save: $34.58 (37%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Chain Tensioner, Tensioner, Timing Tensioner
- Item Dimensions: 6.1 x 5.2 x 3.1 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Tensioner Kit-Timing Chain
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$38.67 MSRP: $57.72
You Save: $19.05 (34%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Chain Tensioner, Tensioner, Timing Tensioner
- Item Dimensions: 6.1 x 5.2 x 3.1 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Tensioner Kit-Timing Chain
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$38.67 MSRP: $57.72
You Save: $19.05 (34%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Chain Tensioner, Tensioner, Timing Tensioner
- Item Dimensions: 6.1 x 5.2 x 3.1 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Tensioner Kit-Timing Chain
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$38.67 MSRP: $57.72
You Save: $19.05 (34%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Chain Tensioner, Tensioner, Timing Tensioner
- Item Dimensions: 6.1 x 5.2 x 3.1 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Tensioner Kit-Timing Chain
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$38.67 MSRP: $57.72
You Save: $19.05 (34%)
Product Specifications- Notes: 6.6 Liter Gas, W/O Dual Alternators; 6.6 Liter Gas, W/Dual Alternators; Silverado, Sierra 2500 Hd; Gas
- Other Names: AC Belt
- Item Dimensions: 10.1 x 9.6 x 3.6 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Belt Kit-A/C Compressor
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$54.14 MSRP: $89.84
You Save: $35.70 (40%)
Product Specifications- Notes: 6.6 Liter Gas, W/O Dual Alternators; 6.6 Liter Gas, W/Dual Alternators; Silverado, Sierra 2500 Hd; Gas
- Other Names: AC Belt
- Item Dimensions: 10.1 x 9.6 x 3.6 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Belt Kit-A/C Compressor
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$54.14 MSRP: $89.84
You Save: $35.70 (40%)
Product Specifications- Notes: 6.6 Liter Gas, W/O Dual Alternators; 6.6 Liter Gas, W/Dual Alternators; Silverado, Sierra 2500 Hd; Gas
- Other Names: AC Belt
- Item Dimensions: 10.1 x 9.6 x 3.6 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Belt Kit-A/C Compressor
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$54.14 MSRP: $89.84
You Save: $35.70 (40%)
Product Specifications- Notes: 6.6 Liter Gas, W/O Dual Alternators; 6.6 Liter Gas, W/Dual Alternators; Silverado, Sierra 2500 Hd; Gas
- Other Names: AC Belt
- Item Dimensions: 10.1 x 9.6 x 3.6 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Belt Kit-A/C Compressor
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$54.14 MSRP: $89.84
You Save: $35.70 (40%)
Product Specifications- Notes: 6.6 Liter Gas; Silverado, Sierra 2500 Hd
- Item Dimensions: 3.6 x 3.5 x 0.5 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12693255
- Part Description: 2021 GMC Sierra 2500 HD Front Cover Seal
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$11.29 MSRP: $17.91
You Save: $6.62 (37%)
Product Specifications- Notes: 6.6 Liter Gas; Silverado, Sierra 2500 Hd
- Item Dimensions: 3.6 x 3.5 x 0.5 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12693255
- Part Description: 2021 GMC Sierra 2500 HD Front Cover Seal
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$11.29 MSRP: $17.91
You Save: $6.62 (37%)
Product Specifications- Notes: 6.6 Liter Gas
- Item Dimensions: 5.2 x 1.2 x 1.2 inches
- Item Weight: 0.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Vibration Damper Bolt
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$17.21 MSRP: $28.47
You Save: $11.26 (40%)
Product Specifications- Notes: 6.6 Liter Gas, Short
- Item Dimensions: 2.2 x 1.2 x 0.8 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Module Bolt
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$4.54 MSRP: $7.19
You Save: $2.65 (37%)
Product Specifications- Notes: 6.6 Liter Gas, Short
- Item Dimensions: 2.2 x 1.2 x 0.8 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Module Bolt
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$4.54 MSRP: $7.19
You Save: $2.65 (37%)
Product Specifications- Notes: 6.6 Liter Diesel, W/O Dual Alternators, Type 1; 6.6 Liter Diesel, W/Dual Alternators, Type 1; Silverado, Sierra 2500 Hd; Dual Alternator; Diesel; Lower; Right;Silverado, Sierra 2500 Hd; Dual Alternator; Diesel; Upper;Silverado, Sierra 2500 Hd; Single Alternator; Diesel; Lower;Silverado, Sierra 2500 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 GMC Sierra 2500 HD Serpentine Idler Pulley
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
$52.69 MSRP: $99.43
You Save: $46.74 (48%)
Product Specifications- Notes: 6.6 Liter Diesel, W/O Dual Alternators, Type 1; 6.6 Liter Diesel, W/Dual Alternators, Type 1; Silverado, Sierra 2500 Hd; Dual Alternator; Diesel; Lower; Right;Silverado, Sierra 2500 Hd; Dual Alternator; Diesel; Upper;Silverado, Sierra 2500 Hd; Single Alternator; Diesel; Lower;Silverado, Sierra 2500 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 GMC Sierra 2500 HD Serpentine Idler Pulley
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
$52.69 MSRP: $99.43
You Save: $46.74 (48%)
Product Specifications- Notes: 6.6 Liter Diesel, W/O Dual Alternators, Type 1; 6.6 Liter Diesel, W/Dual Alternators, Type 1; Silverado, Sierra 2500 Hd; Dual Alternator; Diesel; Lower; Right;Silverado, Sierra 2500 Hd; Dual Alternator; Diesel; Upper;Silverado, Sierra 2500 Hd; Single Alternator; Diesel; Lower;Silverado, Sierra 2500 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 GMC Sierra 2500 HD Serpentine Idler Pulley
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
$52.69 MSRP: $99.43
You Save: $46.74 (48%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Camshaft Gear, Timing Gear Set
- Item Dimensions: 9.1 x 8.7 x 2.6 inches
- Item Weight: 5.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12642320
- Replaced by: 12721405
- Part Description: 2021 GMC Sierra 2500 HD Timing Gear Set
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
$152.63 MSRP: $242.36
You Save: $89.73 (38%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Camshaft Gear, Timing Gear Set
- Item Dimensions: 9.1 x 8.7 x 2.6 inches
- Item Weight: 5.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12642320
- Replaced by: 12721405
- Part Description: 2021 GMC Sierra 2500 HD Timing Gear Set
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
$152.63 MSRP: $242.36
You Save: $89.73 (38%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Camshaft Gear, Timing Gear Set
- Item Dimensions: 9.1 x 8.7 x 2.6 inches
- Item Weight: 5.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12642320
- Replaced by: 12721405
- Part Description: 2021 GMC Sierra 2500 HD Timing Gear Set
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
$152.63 MSRP: $242.36
You Save: $89.73 (38%)
Product Specifications- Notes: 6.6 Liter Diesel, Upper Components; Silverado, Sierra 2500 Hd
- Other Names: Cover Seal, Front Cover Seal, Front Seal
- Item Dimensions: 6.2 x 6.1 x 1.0 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Front Cover Seal
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$38.08 MSRP: $71.86
You Save: $33.78 (48%)
Product Specifications- Notes: 6.6 Liter Diesel, Upper Components; Silverado, Sierra 2500 Hd
- Other Names: Cover Seal, Front Cover Seal, Front Seal
- Item Dimensions: 6.2 x 6.1 x 1.0 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Front Cover Seal
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$38.08 MSRP: $71.86
You Save: $33.78 (48%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Camshaft
- Item Dimensions: 28.1 x 3.5 x 3.4 inches
- Item Weight: 12.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Camshaft
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
$142.40 MSRP: $226.09
You Save: $83.69 (38%)
Product Specifications- Notes: 6.6 Liter Diesel, W/O Dual Alternators, Drive Belt Tnsr; 6.6 Liter Diesel, W/Dual Alternators, Drive Belt Tnsr
- Item Dimensions: 3.1 x 1.0 x 1.0 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 11519184
- Part Description: 2021 GMC Sierra 2500 HD Bracket Bolt
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
$5.72 MSRP: $9.45
You Save: $3.73 (40%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Camshaft
- Item Dimensions: 28.6 x 3.1 x 3.1 inches
- Item Weight: 10.30 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD CAMSHAFT ASM
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$118.73 MSRP: $206.63
You Save: $87.90 (43%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Actuator
- Item Dimensions: 10.3 x 9.7 x 4.3 inches
- Item Weight: 3.90 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 2500 HD Actuator
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$116.80 MSRP: $185.42
You Save: $68.62 (38%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Crankshaft Gear, Timing Gear
- Item Dimensions: 4.8 x 4.4 x 2.3 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 12713934
- Part Description: 2021 GMC Sierra 2500 HD Crankshaft Gear
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$21.01 MSRP: $34.78
You Save: $13.77 (40%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Crankshaft Gear, Timing Gear
- Item Dimensions: 4.8 x 4.4 x 2.3 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 12713934
- Part Description: 2021 GMC Sierra 2500 HD Crankshaft Gear
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$21.01 MSRP: $34.78
You Save: $13.77 (40%)
Product Specifications- Notes: Silverado, Sierra 2500 Hd
- Other Names: Crankshaft Gear, Timing Gear
- Item Dimensions: 4.8 x 4.4 x 2.3 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 12713934
- Part Description: 2021 GMC Sierra 2500 HD Crankshaft Gear
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$21.01 MSRP: $34.78
You Save: $13.77 (40%)
Product Specifications- Notes: 6.6 Liter Gas, W/O Dual Alternators; 6.6 Liter Gas, W/Dual Alternators, Smooth; Silverado, Sierra 2500 Hd; Dual Alternator; Gas; Upper;Silverado, Sierra 2500 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 GMC Sierra 2500 HD Serpentine Idler Pulley
More Info Vehicle Fitment- 2021 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
$22.06 MSRP: $41.65
You Save: $19.59 (48%)