Dorman Idler Pulley (Pulley only), 419-603
In stock
$12.79
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Ford Mustang Belts
36 products listed as compatible with this vehicle by the retailer feed.
Back to 2003 Ford Mustang parts
Dorman Idler Pulley (Pulley only), 419-602
In stock
$14.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Idler/Tensioner Pulley: Specific Fit, Plastic, 132.5 mm Diameter, 419-644
In stock
$21.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 75 mm Diameter, 419-629
In stock
$22.49
Listed as compatible with this vehicle by the retailer feed.
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Idler Pulley, Dayco, 89051
In stock
$24.79
Listed as compatible with this vehicle by the retailer feed.
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Litens Idler/Tensioner Pulley: Direct Fit, Steel, 75mm Diameter, 900162A
In stock
$24.99
Listed as compatible with this vehicle by the retailer feed.
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Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36100
In stock
$27.49
Listed as compatible with this vehicle by the retailer feed.
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Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 76mm Diameter, 900027A
In stock
$27.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Serpentine Belt: 93.5" Long, 6 Rib Count, 935K6
In stock
$29.99
Listed as compatible with this vehicle by the retailer feed.
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Driveworks Poly Rib Belt Serpentine Belt 93.5 Long, 6 Rib Count, 935K6
In stock
$29.99
Listed as compatible with this vehicle by the retailer feed.
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Idler Pulley, Dayco, 89007
In stock
$30.49
Listed as compatible with this vehicle by the retailer feed.
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Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900052A
In stock
$31.99
Listed as compatible with this vehicle by the retailer feed.
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Idler Pulley, Dayco, 89006
In stock
$31.99
Listed as compatible with this vehicle by the retailer feed.
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Idler Pulley, Dayco, 89053
In stock
$32.49
Listed as compatible with this vehicle by the retailer feed.
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Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900022A
In stock
$34.49
Listed as compatible with this vehicle by the retailer feed.
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Carquest Serpentine Belt: 96.0" Long, 6 Rib Count, 960K6
In stock
$37.99
Listed as compatible with this vehicle by the retailer feed.
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Driveworks Poly Rib Belt Serpentine Belt 96.06 Long, 6 Rib Count, 960K6
In stock
$37.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Serpentine Belt: 99.5" Long, 6 Rib Count, 995K6
In stock
$39.99
Listed as compatible with this vehicle by the retailer feed.
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V-Ribbed Belt, Driveworks, 995K6
In stock
$39.99
Listed as compatible with this vehicle by the retailer feed.
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Idler Pulley, Dayco, 89017
In stock
$41.99
Listed as compatible with this vehicle by the retailer feed.
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Dayco Heavy Duty Serpentine Belt 75 Long, 8 Rib Count, 5080750SC
In stock
$43.49
Listed as compatible with this vehicle by the retailer feed.
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Idler Pulley, Dayco, 89048
In stock
$46.99
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 93.5 Long, 6 Rib Count, 5060935
In stock
$47.99
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 99.5 Long, 6 Rib Count, 5060995
In stock
$48.99
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.