Dorman
List Price:$62.95
AM Price:$40.99
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Part Number: AM-3780169749

FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories.
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Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses.   

10 Year Warranty

This item is backed by our 10-year warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.

Please note: Any modifications to an item of any kind before contacting us will void any and all warranty coverage for this item. Please contact us before modifying the part so that we have the opportunity to correct the situation.

This part replaces:

  • Dorman 603-5604
  • OE # 15688604

Vehicle Fit

  • 1990-1991 Chevrolet C5500 Kodiak V8 6.0L Coolant Reservoir Dorman 603-5604
  • 1990-1996 Chevrolet C60 Kodiak V8 6.0L Coolant Reservoir Dorman 603-5604
  • 1997-1998 Chevrolet C6500 Kodiak V8 7.0L with Fiberglass Hood Coolant Reservoir Dorman 603-5604
  • 1990-1996 Chevrolet C70 Kodiak V8 6.0L Coolant Reservoir Dorman 603-5604
  • 1997-1998 Chevrolet C7500 Kodiak V8 7.0L with Fiberglass Hood Coolant Reservoir Dorman 603-5604
  • 1990-1991 GMC C5000 Topkick V8 6.0L Coolant Reservoir Dorman 603-5604
  • 1990-1996 GMC C6000 Topkick V8 6.0L Coolant Reservoir Dorman 603-5604
  • 1997-1998 GMC C6500 Topkick V8 7.0L with Fiberglass Hood Coolant Reservoir Dorman 603-5604
  • 1990-1996 GMC C7000 Topkick V8 6.0L Coolant Reservoir Dorman 603-5604
  • 1997-1998 GMC C7500 Topkick V8 7.0L with Fiberglass Hood Coolant Reservoir Dorman 603-5604

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