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Coolant Reservoir for 2003 Cadillac Seville

We have 2 Items In-stock. Select your vehicle's Submodel to continue.

AC Delco - OE Replacement Coolant Reservoirs

ACDELCO – OE REPLACEMENT COOLANT RESERVOIRS

Partner up your radiator and keep your engine coolant safely stored with the ultra-durable, leak-resistant design of ACDelco’s OE replacement coolant reservoirs. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • Safely stores excess coolant
  • Engineered with ultra-durable plastic
  • Resistant to cracking and leaks under extreme conditions
  • Manufactured to strict OE standards for perfect compatibility and reliable function
  • Has undergone rigorous quality control procedures to guarantee lasting performance
  • Offers precise fit for numerous makes and models

AC Delco Coolant Reservoir - Factory Finish, Plastic, Direct Fit

$115.45 $136.23 You Save $20.78 (15%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: AC Delco 25635588
  • Material: Plastic
  • Color/Finish: Factory Finish
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: Without cap; Includes low coolant switch
  • Replaces OE Number: 25635588
  • Warranty: 1-year or 12,000-mile AC Delco limited warranty
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Fits the following 2003 Cadillac Seville Submodels

  • 8 Cyl 4.6L | SLS, STS
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Customer Review: (see review/s)
  • Easy to intall perfect fit and all conections fit just as on the original part

    posted by: J on December 28, 2013

Dorman - OE Replacement Coolant Reservoirs

DORMAN – OE REPLACEMENT COOLANT RESERVOIRS

Engine overheating due to a cracked or warped coolant reservoir? Keep your cool with an ultra-durable OE replacement coolant reservoir by Dorman. Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners.

  • Solid plastic construction
  • Includes reservoir cap
  • Comes with level sensor (depending on application)

Dorman Coolant Reservoir - Factory Finish, Plastic, Direct Fit

Best Seller
$78.98 $93.20 You Save $14.22 (15%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Dorman 603-236
  • Material: Plastic
  • Color/Finish: Factory Finish
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Notes: With cap
  • Replaces OE Number: 25635588
  • Warranty: Lifetime Dorman limited warranty
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Fits the following 2003 Cadillac Seville Submodels

  • 8 Cyl 4.6L | SLS, STS
See more
Customer Review: (see review/s)
  • Put in reservoir with no problem but I still get check coolant level message. Reset message and checked electrical connection. Still get low coolant message. Very annoying.

    posted by: caddy1 on July 9, 2014

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