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Belts & Pulleys - Maintenance
2025 Chevrolet Silverado 3500 HD Serpentine Belt, Drive Belt, Timing Belt Tensioner
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2025 Chevrolet Silverado 3500 HD
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- Camshaft & Timing
- Crankshaft & Bearings
- Cylinder Head & Valves
- Emission Components
- Engine
- Engine Mounting
- Headlamp Components
- Ignition System
- Instrument Panel Components
- Interior Trim - Cab
- Oil Cooler
- Oil Pan
- Oil Pump
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- Rear Brakes
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- Shocks & Components
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How to use OE catalog
4 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
- 1.Cooling - Belts & Pulleys (6.6L Diesel,With Dual Alternators)
- 2.Cooling - Belts & Pulleys (6.6L Diesel,Without Dual Alternators)
- 3.Cooling - Belts & Pulleys (6.6L GAS,With Dual Alternators)
- 4.Cooling - Belts & Pulleys (6.6L GAS,Without Dual Alternators)
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Ref No.
Ref No.
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
- 1
12626077
Serpentine BeltBelt-Fan & Water Pump & Generator & Power Steering Pump- Part Notes: 6.6L GAS, Without Dual Alternators
- Replaced By: 12732503
MSRP: $42.90 Your Price: $24.021 - 1
12654273
Serpentine BeltBelt-Fan & Water Pump & Generator & Power Steering Pump- Part Notes: 6.6L GAS, With Dual Alternators
- Replaced By: 12732504
MSRP: $44.34 Your Price: $24.831 - 1
12708561
Serpentine BeltBelt-Accessory Drive Primary- Part Notes: 6.6L Diesel, Without Dual Alternators
MSRP: $49.19 Your Price: $27.541 - 1
MSRP: $90.65 Your Price: $44.351
- 2
12717890
Drive BeltBelt-Accessory Drive Auxiliary- Part Notes: 6.6L Diesel, With Dual Alternators;6.6L Diesel, Without Dual Alternators
- Replaced By: 12732424
MSRP: $54.14 Your Price: $27.381
- 3
12611935
Idler PulleyPulley, Fan And Coolant Pump- Part Notes: 6.6L Diesel, With Dual Alternators, Type 1;6.6L Diesel, Without Dual Alternators, Type 1
MSRP: $104.23 Your Price: $50.721 - 3
12695659
Idler PulleyPulley, Fan And Coolant Pump- Part Notes: 6.6L GAS, With Dual Alternators, Smooth;6.6L GAS, Without Dual Alternators
- Location: Passenger Side
MSRP: $56.01 Your Price: $29.821
- 4
MSRP: $86.73 Your Price: $50.501
- 4
12676231
Idler PulleyPulley, Fan And Coolant Pump- Part Notes: 6.6L GAS, With Dual Alternators, Smooth
- Location: Driver Side
- Replaced By: 12729056
MSRP: $176.62 Your Price: $97.581 - 4
12708716
Idler PulleyPulley Assembly-Belt Idler Primary- Part Notes: 6.6L Diesel, With Dual Alternators, Type 2;6.6L Diesel, Without Dual Alternators, Type 2
- Location: Passenger Side
MSRP: $191.87 Your Price: $93.361 - 412728996
Idler PulleyPulley Assembly-Drive Belt Idler (W/ Bracket)- Part Notes: 6.6L Diesel, With Dual Alternators, Type 2
- Location: Driver Side
MSRP: $93.84 Your Price: $49.971
- 5
12673657
Belt TensionerTensioner Assembly-Drive Belt- Part Notes: 6.6L Diesel, With Dual Alternators, Serpentine Belt;6.6L Diesel, Without Dual Alternators, Serpentine Belt
MSRP: $111.65 Your Price: $65.011
- 5
11588749
Belt Tensioner BoltBolt, Chassis/Engine Wiring Harness- Part Notes: 6.6L GAS, Without Dual Alternators
MSRP: $9.73 Your Price: $6.2210
- 5
12729057
Idler PulleyPulley Assembly-Belt Idler 2ND Auxiliary- Part Notes: 6.6L GAS, With Dual Alternators, Grooved
MSRP: $114.40 Your Price: $60.921
- 6
MSRP: $86.73 Your Price: $50.501 - 612717891
Belt Tensioner- Part Notes: 6.6L Diesel, With Dual Alternators, Drive Belt;6.6L Diesel, Without Dual Alternators, Drive Belt
MSRP: $116.75 Your Price: $73.541
- 7
11588749
Belt Tensioner BoltBolt, Chassis/Engine Wiring Harness- Part Notes: 6.6L Diesel, With Dual Alternators, Serp Belt Tnsr;6.6L Diesel, Without Dual Alternators, Serp Belt Tnsr;6.6L GAS, With Dual Alternators
MSRP: $9.73 Your Price: $6.2210
- 8
11547698
Belt Tensioner Bolt- Part Notes: 6.6L Diesel, With Dual Alternators, Drive Belt Tnsr;6.6L Diesel, Without Dual Alternators, Drive Belt Tnsr
MSRP: $1.05 Your Price: $0.661
- MSRP: $176.62 Your Price: $97.581
MSRP: $44.34 Your Price: $24.831