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Dorman - Heavy Duty Pressurized Coolant Reservoir - 603-5104

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$207.50
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SKU: 591|603-5104

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Dorman - Heavy Duty Pressurized Coolant Reservoir - 603-5104
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Heavy Duty Pressurized Coolant Reservoir

Product Description

This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience

Product Specifications

Cap Included: Yes
Cap Maximum Pressure Rating: 15 PSI
Cap Type: Spring Loaded Twist
Color: Natural
Material: Plastic
Mounting Brackets Included: No
Mounting Hardware Included: No
Mounting Hole Quantity: 4
Package Contents: 1 Coolant Reservoir; 1 Cap; Tubing
Package Quantity: 1
Packaging Type: Box
Pressurized: Yes

OE Numbers

2591625C92 NAVISTAR
2599039C91 NAVISTAR
2602872C91 NAVISTAR
2602943C91 NAVISTAR
2612038C91 NAVISTAR
3829605F91 NAVISTAR
3829605F92 NAVISTAR
3878971F91 NAVISTAR
3878971F92 NAVISTAR
3578833C3 NAVISTAR

Fitment

Year Make Model Configuration Positions Application Notes
2010-2018 IC Corporation CE School Bus Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2014-2018 International 4300 Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2018 International 4300LP w/4 Mounting Holes
2006 IC Corporation CE Commercial Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2008 IC Corporation CE Commercial Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2010-2017 IC Corporation CE Commercial Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2016-2017 International Durastar (Mexico) Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2009 IC Corporation CE Commercial Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2016 IC Corporation CE Commercial Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2008-2009 IC Corporation CE School Bus Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2016 IC Corporation CE School Bus Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2013-2016 International 4300LP Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2016 International 4400 Engine Desg. MaxxForce 10; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2013-2016 International 4400 Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2016 International 4400LP Engine Desg. MaxxForce 10; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2013-2016 International 4400LP Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2015 IC Corporation 1300 FBC Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2015 IC Corporation CE Integrated Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2015 International Durastar (Mexico) w/4 Mounting Holes
2012-2014 International Durastar w/4 Mounting Holes
2006-2013 International 4300 Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2010-2012 International 1300 w/4 Mounting Holes
2006-2012 International 4300LP Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2012 International 4400 Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2012 International 4400LP Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2008-2011 IC Corporation FE Commercial Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2011 IC Corporation FE School Bus Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2009-2011 International 3200 Engine Desg. MaxxForce DT; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2008-2011 International 8500 TranStar Engine Desg. MaxxForce 10; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2007-2008 IC Corporation FE Integrated Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2008 International 3200 Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2008 International 4400 Engine Desg. DT570; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2008 International 4400LP Engine Desg. DT570; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2008 International CXT Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2008 International CXT Engine Desg. DT570; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2007 International 3300 Engine Desg. DT466; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2007 International 4400 Engine Desg. DT530; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2007 International 8500 Engine Desg. HT570; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006-2007 International RXT Engine Desg. DT570; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes
2006 International 8500 Engine Desg. DT570; EngineMfr International Front w/Dual Vacuum Ports; w/4 Mounting Holes

Buy with confidence – If you encounter any issues with your Dorman product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our policy guidelines.

Why Choose Dorman?

Dorman is a trusted leader in OE-style replacement parts, offering precision-engineered solutions for reliable performance. Each part undergoes rigorous testing to ensure durability, safety, and a seamless fit. Designed as a cost-effective alternative to OEM parts, Dorman provides high-quality replacements backed by expert engineering. Choose Dorman for dependable, long-lasting automotive solutions.

We assure you that we ship all the parcels received on the same day till 12 pm standard central time.

  • Usually, it takes 1 to 5 days for the package to reach.
  • Our standard shipping is FedEx home delivery or UPS Ground. Delivery for residential locations is estimated to be on Saturdays ( this applies to 48 continental states).
  • Delivery for residential locations is estimated to be on Saturdays ( this applies to 48 continental states).
  • The email address on the order will send you all the shipment tracking details.
  • Please note that we are not responsible for any delays because of holidays, weather, or anything beyond our control.

We send shipment tracking numbers via email. It is sent to the email address you provided in your order. If you would like to change the email address you provided, Feel free to contact our support team at (support@part-synergy.com).

Return Shipping

We are here to serve you. If there is any item that is damaged or needs to be exchanged or returned for any reason, please contact our support team(support@part-synergy.com). Please read our return and exchange policy to learn more about this.

All orders are free of shipment costs. The cost mentioned on the website is for getting it to your doorstep.

Please do get in touch with our customer support as they may be able to provide you with a return label which will cost you much less. But if you still need to send an item back, here is our shipping address. 

USA MAP For Shipping
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If Picked Up On Will be delivered by
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Wednesday Thu Fri Sat Tue Wed@ Thu@ Fri=
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Friday Sat Sun^ Mon Thu Fri@ Mon@ Tue=
Saturday Tue* Wed Thu Fri Mon@ Tue@ Wed=
Sunday Tue** Wed Thu Fri Mon@ Tue@ Wed=

*Sunday^ delivery if the shipper is enrolled in weekend spotted trailer pickups

**Monday delivery if the shipper is enrolled in weekend spotted trailer pickups

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@ The following week

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