Carquest Serpentine Belt: 39.8" Long, 4 Rib Count, 398K4
In stock
$16.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 GMC Sierra 3500 Belts
49 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2003 GMC Sierra 3500 parts
Driveworks Poly Rib Belt Serpentine Belt 39.76 Long, 4 Rib Count, 398K4
In stock
$16.99
Listed as compatible with this vehicle by the retailer feed.
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Driveworks Poly Rib Belt Serpentine Belt 37.8 Long, 4 Rib Count, 378K4
In stock
$23.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Serpentine Belt: 37.8" Long, 4 Rib Count, 378K4
In stock
$23.99
Listed as compatible with this vehicle by the retailer feed.
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Gates Micro-V Serpentine Drive Belt, K040378
In stock
$26.49
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 39.76 Long, 4 Rib Count, 5040398
In stock
$29.99
Listed as compatible with this vehicle by the retailer feed.
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Idler Pulley, Dayco, 89135
In stock
$32.49
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 37.8 Long, 4 Rib Count, 5040378
In stock
$36.99
Listed as compatible with this vehicle by the retailer feed.
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Driveworks Poly Rib Belt Serpentine Belt 136.02 Long, 6 Rib Count, 1360K6
In stock
$37.49
Listed as compatible with this vehicle by the retailer feed.
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Carquest Serpentine Belt: 136.0" Long, 6 Rib Count, 1360K6
In stock
$37.49
Listed as compatible with this vehicle by the retailer feed.
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Idler Pulley, Dayco, 89165
In stock
$38.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Serpentine Belt: 95.0" Long, 6 Rib Count, 950K6
In stock
$39.99
Listed as compatible with this vehicle by the retailer feed.
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Driveworks Poly Rib Belt Serpentine Belt 95.08 Long, 6 Rib Count, 950K6
In stock
$39.99
Listed as compatible with this vehicle by the retailer feed.
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Litens Idler Pulley: Direct Fit, Steel, 76mm Diameter, 900366A
In stock
$40.99
Listed as compatible with this vehicle by the retailer feed.
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Litens Idler/Tensioner Pulley: Direct Fit, Steel, 70mm Diameter, 900448A
In stock
$46.99
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 119.5 Long, 6 Rib Count, 5061195
In stock
$49.99
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 117.75 Long, 6 Rib Count, 5061178
In stock
$51.99
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 136.02 Long, 6 Rib Count, 5061360
In stock
$53.99
Listed as compatible with this vehicle by the retailer feed.
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Automatic Belt Tensioner, Dayco, 89324
In stock
$53.99
Listed as compatible with this vehicle by the retailer feed.
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Litens Accessory Drive Belt Tensioner - Original Equipment Quality, 999033A
In stock
$54.99
Listed as compatible with this vehicle by the retailer feed.
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Litens Accessory Drive Belt Tensioner - Original Equipment Quality, 999123A
In stock
$54.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Serpentine Belt: 95.5" Long, 6 Rib Count, 955K6
In stock
$54.99
Listed as compatible with this vehicle by the retailer feed.
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Driveworks Poly Rib Belt Serpentine Belt 95.5 Long, 6 Rib Count, 955K6
In stock
$54.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Engine Coolant Thermostat Housing, 85254
In stock
$54.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.