Description

Overview

Front Crankshaft Oil Seal Yanmar Thermo King fits Yanmar 482, 486, 486E and 486V engines in Thermo King transport refrigeration units. It seals the front gear housing end of the crankshaft and helps keep engine oil inside the housing.

Replace this seal when the current seal has hardened, started to leak or come off during front-end engine service. It matches the front seal position on the Yanmar engine families listed here.

Features

• Front crankshaft oil seal for the gear housing end of the engine
• Fits Yanmar 4TNE84 and 4TNE88 engine families in Thermo King applications
• Covers Yanmar 482, 486, 486E and 486V engine variants
• Works for front seal replacement during engine rebuilds or oil leak repairs

Specifications and Materials

Front Crankshaft Oil Seal Yanmar Thermo King matches the front crankshaft seal position on the listed Yanmar engine families. Check the engine family and confirm that you need the front gear housing seal before ordering.

Part number: TK-33-4088-AM.

See the official Yanmar parts page for the oil seal reference used in this gear housing position.

Compatibility and Fitment

Match the engine family first, then confirm the seal location at the front gear housing end instead of the rear crank position. This front seal fits Yanmar 482, 486, 486E and 486V applications tied to 4TNE84 and 4TNE88 engine families.

This cross-reference listing means this part replaces the part numbers and applications shown below. You may need to make minor installation changes. TK-33-4088, TK334088, 33-4088, 334088, 33-1952, 331952, 129795-01800, 12979501800, Y129795-01800, Y12979501800, M800988

Compliance and Safety

Lightly oil the seal lip before fitting, then install the seal square to the housing so you do not damage the lip on start-up. Inspect the crankshaft sealing surface and housing bore as well, because a new seal will not fix a worn or damaged surface.

Trailer Applications

Front Crankshaft Oil Seal Yanmar Thermo King suits Thermo King trailer refrigeration engine service on older Yanmar-powered units. It fits older SB, SL and SLX series work where technicians replace the front gear housing seal during oil leak repairs or engine refresh jobs.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Why Choose ICS Trailers

ICS Trailers carries Thermo King engine service parts for older Yanmar-powered trailer units, so this seal sits alongside the gaskets, belts and related items customers often replace in the same job.

Browse Thermo King parts at ICS Trailers for more transport refrigeration replacements.