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Dorman Expansion Tank/Coolant Reservoir; Front | 603-983

Mercedes S500, S320, S600, 500SEL, S420, 500SEC, CL500, CL600, 600SEL, 400SEL & more
Low Stock Status
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Leaves warehouse within 1-2 business days, if still available when processed.

Make Sure It Fits

P/N: 603-983 Dorman
OE Solutions
Cross References:
  • 1245000406
  • 1405001749
  • EPK0006
  • FRT2409C
  • Z49016
  • 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
  • Material: Plastic
  • Length: 9 in
  • Color: Black and Clear
  • Mounting Hardware Included: No
  • Height: 8 in
  • Shape: Irregular
  • Mounting Hole Quantity: 2
  • Cap Type: Yes
  • Cap Included: Yes
  • Mounting Brackets Included: Yes
  • Pressurized: Yes
  • Cap Maximum Pressure Rating: 20.3 ps
  • Capacity: 4 L
  • Package Contents: 1 Coolant Reservoir; 1 Cap
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Why Buy OEM & Genuine Replacement Auto Parts from AutohausAZ?

Auto parts at wholesale prices is what you will find at AutohausAZ. Have you been searching the web for auto parts for your vehicle? You have come to the right place! Here at Autohaus, we strive to offer low prices on quality replacement parts and providing first rate customer service.

What This Dorman Expansion Tank/Coolant Reservoir Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

92-92 - 400SE
93-93 - 400SEL
93-93 - 500SEC
92-93 - 500SEL
93-93 - 600SEC
92-93 - 600SEL
98-99 - CL500
98-99 - CL600
94-99 - S320
94-99 - S420
94-99 - S500
95-99 - S600
94-94 - S600
Front ~ V12 365CID 6.0L (5987cc)