HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-802 Engine Coolant Reservoir - Front
Part #: 603-802

Dorman 603-802 Engine Coolant Reservoir - Front

Front
⚙️ 23 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$57.63Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Civic and CRX
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Engine Coolant Reservoir for Honda Civic and CRX

The Dorman 603-802 engine coolant reservoir is designed specifically for Honda Civic and CRX models. This white plastic coolant reservoir includes a cap and is engineered to maintain proper coolant levels, ensuring your engine runs efficiently.

  • Durable white plastic construction
  • Includes a matching coolant reservoir cap
  • Non-pressurized design for reliable coolant storage
  • No mounting hardware or brackets included
  • Compatible with Honda Civic and CRX vehicles

Product Features and Specifications

This engine coolant reservoir by Dorman is made from sturdy plastic material, providing resistance to heat and corrosion. The included cap is designed to fit securely, preventing coolant leaks. The reservoir is non-pressurized, which suits the cooling system design of compatible Honda Civic and CRX models. Note that this part does not come with mounting hardware or brackets, so existing components should be reused during installation.

Purpose and Common Applications

The Dorman 603-802 coolant reservoir is used to store excess engine coolant and maintain proper fluid levels within the cooling system. It helps prevent overheating and coolant loss in Honda Civic and CRX vehicles. This part is typically replaced when the original reservoir is cracked, leaking, or damaged.

  • Resolves coolant leaks caused by cracked or damaged reservoirs
  • Prevents engine overheating due to insufficient coolant levels
  • Replaces faded or discolored reservoirs to maintain system integrity
  • Restores proper coolant storage in Honda Civic and CRX cooling systems

Installation Notes and Tips

When installing the Dorman 603-802 engine coolant reservoir, ensure the vehicle is cool to avoid injury from hot coolant. Since mounting hardware and brackets are not included, reuse the existing components from the original reservoir. Verify that the included cap fits securely to prevent leaks. Properly bleed the cooling system after installation to remove air pockets and maintain optimal performance.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-802 engine coolant reservoir undergoes quality checks to ensure durability and compatibility with Honda Civic and CRX models. Warranty coverage details should be confirmed through the product documentation or manufacturer resources.

BrandDorman
Part Number603-802
Cap IncludedYes
Cap TypeYes
ColorWhite
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity0
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedNo

This part fits 23 vehicles. Search below:

YearMakeModelBody Type# DoorsLitersCylindersPositionNotes
1991HondaCivicSedan4 Door1.6LL4FrontMade in Japan.
1991HondaCivicWagon4 Door1.6LL4Front
1991HondaCivicSedan4 Door1.5LL4FrontMade in Japan.
1991HondaCivicWagon4 Door1.5LL4Front
1991HondaCRX1.6LL4Front
1991HondaCRX1.5LL4Front
1990HondaCivicSedan4 Door1.6LL4FrontMade in Japan.
1990HondaCivicWagon4 Door1.6LL4Front
1990HondaCivicSedan4 Door1.5LL4FrontMade in Japan.
1990HondaCivicWagon4 Door1.5LL4Front
1990HondaCRX1.6LL4Front
1990HondaCRX1.5LL4Front
1989HondaCivicWagon4 Door1.6LL4Front
1989HondaCivic2 Door1.6LL4Front
1989HondaCivicSedan4 Door1.5LL4FrontMade in Japan.
1989HondaCivicWagon4 Door1.5LL4Front
1989HondaCivic2 Door1.5LL4Front
1989HondaCRX1.6LL4Front
1989HondaCRX1.5LL4Front
1988HondaCivic1.6LL4Front
1988HondaCivic1.5LL4Front
1988HondaCRX1.6LL4Front
1988HondaCRX1.5LL4Front

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

19101PM5A01FRT1810CFRT1908C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.