2003 Chevy W-Series Automatic Transmission Oil Coolers
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- Hayden®Transmission Oil Cooler CouplingChevy W3500 Tiltmaster / W4500 Tiltmaster 5.7L 2003, Transmission Oil Cooler Coupling by Hayden®. Replace your defective oil cooler coupling with this part. Manufactured from premium brass, the part fits most 5/16" transmission lines...Fits most 5/16" trans-lines with 1/2"-20 threadCompatible with OEM cooler systems$4.69
- Fine Lines®Transmission Oil Cooler LineChevy W3500 Tiltmaster / W4500 Tiltmaster 6.0L Transmission 2003, Transmission Oil Cooler Line by Fine Lines®. Material: Steel. This American-made product is crafted by knowledgeable staff to ensure superior durability and ultimate...Made from materials of premium qualityProven to ensure a high level of reliability$21.84 - $31.66