Last one at this price (old stock price before going up). Fits all U.S. spec 3.8 liter engines 1981 to 1985.
New water pump as shown for your 380SL or 380SE/C. These are getting more expensive by the month!
380SL 380SLC 380SE / L Water Pump with Gaskets
$128.00
SKU:
GEG-380WP 
Product Details
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$104.50
W107 W126 Chassis 380 V8 Engine Thermostat and Short Hose Replacement Kit
For 380SL, 380SLC, 380SE, 380SEL and 380SEC. When replacing an old thermostat always replace the short hose that it is attached to!
Brand new thermostat, heavy-duty short hose, and 2 new clamps. Fits all 126 Chassis 380 engines from 1981 to 1985 both in 107 chassis and 126 Chassis. Free Video installation tips included ( click on the arrow in the center of the picture to watch below: