Motorad CH4820 Engine Coolant Water Outlet

Brand Motorad CH4820
Material Steel
Color Silver
Gasket Or Seal Included Yes
Mounting Hole Quantity 2
Bolts Included No
Outlet Diameter 1.61 in
Fits Chevrolet · 58 vehicles

OE supplier quality. Built to OEM standards with proprietary material for demanding cooling systems.

Thermal shock validated. 100% leak tested for dependable cooling system performance.

Steel construction. Durable metal housing with a gasket or seal included.

Cross-references ACI 84820, Motorad CH4820 and 9CH4820 for the same application. See all 7.

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Engine Coolant Water Outlet for Chevrolet V8 Applications

Motorad CH4820 is an engine coolant water outlet built to OE quality standards for classic Chevrolet cooling systems. It uses steel construction, includes a gasket or seal, and is thermal shock validated and 100% leak tested for dependable coolant routing.

Key Features

  • Steel construction with a silver finish
  • Includes gasket or seal for a proper sealing surface
  • Two mounting holes for direct-fit installation
  • 1.61 in outlet diameter
  • Manufactured by an OE supplier to OEM quality standards
  • Thermal shock validated and leak tested before release

Detailed Description

This Motorad engine coolant water outlet is made for Chevrolet cooling system service where a worn or leaking outlet needs replacement. The CH4820 is listed for 1955-1965 Chevrolet Bel Air, 1959-1965 Chevrolet Impala, 1956-1962 Chevrolet Corvette, 1959-1960 Chevrolet El Camino, and 1967 Chevrolet C10 Suburban, C20 Suburban, K10 Suburban, and K20 Suburban. It is a practical OE-style replacement for classic Chevrolet Bel Air, Impala, Corvette, and El Camino cooling repairs, as well as 1967 Chevrolet Suburban applications.

This part cross-references ACI 84820 for the same application.

Common Repair Uses

  • Replacing a leaking coolant outlet at the thermostat housing area
  • Restoring proper coolant flow after corrosion or warping
  • Addressing sealing issues caused by an aged gasket surface
  • Repairing coolant seepage on classic Chevrolet engine cooling systems
  • Servicing a damaged outlet on Chevrolet Bel Air, Impala, Corvette, or El Camino applications

Installation Notes

Confirm outlet diameter, mounting hole alignment, and gasket surface condition before installation. Clean the mating surfaces thoroughly and inspect the thermostat housing area for corrosion or cracks. Bolts are not included, so reuse or replace fasteners as needed based on the vehicle and housing condition.

Quality Assurance

Motorad manufactures this part to OEM quality standards as an OE supplier. CH4820 is thermal shock validated and 100% leak tested to help verify sealing performance before installation.

This part fits 58 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1967ChevroletC10 Suburban5.3LV8N/AIncludes housing and gasket; without Threaded Fitting
1967ChevroletC20 Suburban5.3LV8N/AIncludes housing and gasket; without Threaded Fitting
1967ChevroletK10 Suburban5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1967ChevroletK20 Suburban5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1965ChevroletBel Air6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1965ChevroletBel Air5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1965ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1965ChevroletImpala6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1965ChevroletImpala5.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1965ChevroletImpala5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1965ChevroletImpala4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1964ChevroletBel Air6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1964ChevroletBel Air5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1964ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1964ChevroletImpala6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1964ChevroletImpala5.4LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1964ChevroletImpala5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1964ChevroletImpala4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1963ChevroletBel Air6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1963ChevroletBel Air5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1963ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1963ChevroletImpala6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1963ChevroletImpala5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1963ChevroletImpala4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1962ChevroletBel Air6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1962ChevroletBel Air5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1962ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1962ChevroletCorvette5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1962ChevroletImpala6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1962ChevroletImpala5.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1962ChevroletImpala4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1961ChevroletBel Air5.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1961ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1961ChevroletCorvette4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1961ChevroletImpala6.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1961ChevroletImpala5.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1961ChevroletImpala4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1960ChevroletBel Air5.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1960ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1960ChevroletCorvette4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1960ChevroletEl Camino4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1960ChevroletImpala5.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1960ChevroletImpala4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1959ChevroletBel Air5.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1959ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1959ChevroletCorvette4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1959ChevroletEl Camino4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1959ChevroletImpala5.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1959ChevroletImpala4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1958ChevroletBel Air5.7LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1958ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1958ChevroletCorvette4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1957ChevroletBel Air4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1957ChevroletBel Air4.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1957ChevroletCorvette4.6LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1956ChevroletBel Air4.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1956ChevroletCorvette4.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
1955ChevroletBel Air4.3LV8N/AEngine Coolant Water Outlet with housing and gasket included.
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 84820Motorad — CH48209CH4820902-20178148203837223NI