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The Sierra 18-71336 is a replacement O-ring designed for the water pump housing on Johnson/Evinrude outboard engines. This O-ring seals the impeller-to-plate interface within the water pump assembly, preventing cooling water leakage and maintaining proper circulation for engine temperature regulation.
Manufactured by Sierra International — a trusted leader in aftermarket marine engine components — this O-ring meets or exceeds original equipment standards. It replaces Johnson/Evinrude OEM part number 302035.
Key Features:
This O-ring is also a component found within the Sierra water pump repair kit 18-3476, making it an ideal standalone replacement when servicing or rebuilding the water pump housing assembly on applicable Johnson/Evinrude outboard motors.
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Uwem Apabio J
Easy to locate needed item and order. I thought i ordered a turn signal bulb receptacle, my mistake, received a running light receptacle. Requested a return order number. Have not received that yet. Still need the turn signal receptacle. Thanks Tony
Joseph Hall
Best pricing no hassle
David G
la experiencia a sido positiva
Vicente Moran
Good
delamack
Great prices on a great product. Easy to navigate website! will be using them in the future for any additional parts I may need!
Jasonm2333
Great price on a hard to find item. Lightning fast shipping with same day service, wow!!!
robertsmau
Quick and easy to purchase but took four days for the processing and to get shipped
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