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2003 GMC Sierra 3500
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Timing Belts, Chains, Cams & Related Parts
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OEM (Genuine) 2003 GMC Sierra 3500 AC Belt
PartNumber: 12576447
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter; All Models; 4.8l, 5.3l, 6.0l; AC
- Other Names: AC Belt, Serpentine Belt
- Item Dimensions: 9.1 x 3.6 x 0.9 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12554028, 12569346
- Part Description: 2003 GMC Sierra 3500 AC Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
$22.66 MSRP:$41.04You Save: $18.38 (45%)
OEM (Genuine) 2003 GMC Sierra 3500 Belt
PartNumber: 12637204
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter, W/130amp Alternator; All Models; 4.8l, 5.3l, 6.0l; Fan/Alt/Ps/; 145 Amp Alt
- Other Names: Belt, Drive Belt, Serpentine Belt
- Item Dimensions: 23.2 x 3.3 x 0.9 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12557501, 12569348, 12576451
- Part Description: 2003 GMC Sierra 3500 Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
$50.46 MSRP:$91.36You Save: $40.90 (45%)
OEM (Genuine) 2003 GMC Sierra 3500 Belt
PartNumber: 12637202
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter, W/105amp Alternator; All Models; 4.8l, 5.3l, 6.0l; Fan/Alt/Ps/; 105 Amp Alt
- Other Names: Belt, Drive Belt, Serpentine Belt
- Item Dimensions: 12.1 x 4.2 x 1.0 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 10105314, 12550608, 12569347, 24505041, 12554029, 12576450
- Part Description: 2003 GMC Sierra 3500 Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
$52.08 MSRP:$94.30You Save: $42.22 (45%)
OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Belt
PartNumber: 97300653
Product Specifications- Notes: 6.6 Liter Turbo Diesel, 105 Amp, W/O Dual
- Other Names: Serpentine Belt
- Item Dimensions: 28.6 x 5.6 x 1.0 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2003 GMC Sierra 3500 Serpentine Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$51.91 MSRP:$93.98You Save: $42.07 (45%)OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Belt
PartNumber: 97300657
Product Specifications- Notes: 6.6 Liter Turbo Diesel, 105 Amp, W/Dual; All Models; 6.6l; W/AC; 105 Amp Alt; W/Dual Alt; California;All Models; 6.6l; W/AC; 105 Amp Alt; W/Dual Alt; Federal; Lev Emission
- Other Names: Serpentine Belt
- Item Dimensions: 6.1 x 2.1 x 16.3 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2003 GMC Sierra 3500 Serpentine Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$60.18 MSRP:$108.95You Save: $48.77 (45%)OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Belt
PartNumber: 12642433
Product Specifications- Notes: All Models; 6.6l; W/AC; 105 Amp Alt; W/O Dual Alt; California;All Models; 6.6l; W/AC; 105 Amp Alt; W/O Dual Alt; Federal; Lev Emission;All Models; 6.6l; W/AC; 145 Amp Alt; Federal; Tier 1 Emission
- Other Names: Serpentine Belt
- Item Dimensions: 6.1 x 3.4 x 0.9 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 98035630, 97300654
- Part Description: 2003 GMC Sierra 3500 Serpentine Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$47.13 MSRP:$85.32You Save: $38.19 (45%)
OEM (Genuine) 2003 GMC Sierra 3500 Belt, Fan
PartNumber: 98035628
Product Specifications- Notes: All Models; 6.6l; W/AC; 145 Amp Alt; California;All Models; 6.6l; W/AC; 145 Amp Alt; Federal; Tier 1 Emission; Lev Emission
- Other Names: Serpentine Belt
- Item Dimensions: 6.2 x 3.4 x 1.0 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 97300656
- Part Description: 2003 GMC Sierra 3500 Belt, Fan
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$39.59 MSRP:$101.94You Save: $62.35 (62%)OEM (Genuine) 2003 GMC Sierra 3500 Belt
PartNumber: 12636138
Product Specifications- Notes: 8.1 Liter Gas, 105 Alternator; All Models; 8.1l; Fan/Alt/Ps; 105 Amp Alt
- Other Names: Belt, Drive Belt, Serpentine Belt
- Item Dimensions: 3.9 x 23.2 x 0.8 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12576747, 12569434
- Part Description: 2003 GMC Sierra 3500 Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
$41.00 MSRP:$74.23You Save: $33.23 (45%)
OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Belt
PartNumber: 97300655
Product Specifications- Notes: All Models; 6.6l; W/AC; 105 Amp Alt; W/Dual Alt; Federal; Tier 1 Emission;All Models; 6.6l; W/AC; 105 Amp Alt; W/O Dual Alt; Federal; Tier 1 Emission
- Other Names: Serpentine Belt
- Item Dimensions: 15.3 x 7.4 x 1.0 inches
- Item Weight: 0.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2003 GMC Sierra 3500 Serpentine Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$40.64 MSRP:$73.57You Save: $32.93 (45%)
OEM (Genuine) 2003 GMC Sierra 3500 AC Belt
PartNumber: 12576745
Product Specifications- Notes: 8.1 Liter Gas; All Models; 8.1l; AC
- Other Names: AC Belt, Serpentine Belt
- Item Dimensions: 4.7 x 18.9 x 0.6 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12569437
- Part Description: 2003 GMC Sierra 3500 AC Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
$19.04 MSRP:$34.43You Save: $15.39 (45%)OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Belt
PartNumber: 97223130
Product Specifications- Notes: 6.6 Liter Turbo Diesel, 145 Amp
- Other Names: Serpentine Belt
- Item Dimensions: 3.3 x 26.5 x 0.9 inches
- Item Weight: 0.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2003 GMC Sierra 3500 Serpentine Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT | 8 Cyl 6.6 L DIESEL
$57.39 MSRP:$108.30You Save: $50.91 (48%)OEM (Genuine) 2003 GMC Sierra 3500 Belt
PartNumber: 12576761
Product Specifications- Notes: 8.1 Liter Gas, 130amp Alternator; All Models; 8.1l; Fan/Alt/Ps; 145 Amp Alt
- Other Names: Belt, Drive Belt, Serpentine Belt
- Item Dimensions: 23.1 x 5.6 x 1.0 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12569433
- Part Description: 2003 GMC Sierra 3500 Belt
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
FAQ for Drive Belt Repair
Q: How to install the air conditioning drive belt?
A:
You can install the A/C belt, and a ratchet, remove the ratchet from the A/C belt tensioner and install the engine shield, the engine shield bolts, and the accessory drive belt.
By Bob
GM Specialist
29/10/2022Q: How to install the accessory drive belt?
A:
You can install the breaker bar, remove the breaker bar and socket from the belt tensioner bolt, align the arrow at the throttle body end of the duct and connect the radiator inlet hose clip to the outlet duct.
By Bob
GM Specialist
29/10/2022Q: How to remove the accessory drive belt?
A:
You can remove the air cleaner outlet duct, install a breaker bar with a hex-head socket, rotate the drive belt tensioner clockwise, and remove the breaker bar and socket from the drive belt tensioner bolt.
By Bob
GM Specialist
29/10/2022Q: How to remove the air conditioning drive belt?
A:
You can remove the accessory drive belt, the engine shield bolts, and the engine shield, install a ratchet and remove the A/C belt and the ratchet from the A/C belt tensioner.
By Bob
GM Specialist
29/10/2022