Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.
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Replaces old part number NL-165996410.
This is a genuine Northern Lights Gasket for M673L engines. This is a genuine Northern Lights part shipped with a 6-month warranty.
OIL SEAL - 100 / 400 (FRONT)
$4.47
MOUNTING GASKET - M643 / M643K / M643M / NL643 (FRESH WATER PUMP)
$13.97
BACK PLATE GASKET - M643 / M643K / M643M / NL643 (FRESH WATER PUMP)
GASKET
$14.27
GASKET - M673L / M673L2 / M673L3 / M673LD2 (THERMOSTAT HOUSING)
$5.50
MOUNTING GASKET - M673L2 / M673L3 / M673LD2 / M673LD3 (OIL PAN)
$24.32
REAR MAIN SEAL (W/O SLEEVE) - M673LD2
$84.53
