MultiStar Parts – Your Source for Truck Refrigeration Unit Parts
The 33-4088 front crankshaft oil seal is a premium Thermo King parts replacement designed to prevent oil leakage at the front of the engine crankshaft in Thermo King transport refrigeration units powered by Yanmar 4TNE84 / 4TNE88 engines (TK 4.86 / 486 series) . This critical sealing component ensures proper engine lubrication while preventing oil contamination of the front engine housing and surrounding components.
CROSS-REFERENCE PART NUMBERS:
- 33-4088, 334088
- 33-1952, 331952
Product Highlights:
- Part Number: 33-4088 (also 334088, 331952)
- Type: Crankshaft front oil seal
- Function: Seals front crankshaft to prevent oil leakage
- Compatible Engines: Yanmar 4TNE84, 4TNE88 (TK482, TK486, TK486E, TK486V)
- Compatible Models: Thermo King SLX (100/200/300/400), SLXe, SL (100/200/300/400), SLX Spectrum, SB (100/110/130/190/200/210/230/300/310/330/400), SB-III, Precedent S-600, Precedent C-600, Super-II, Spectrum, Advancer, and many more
As part of our extensive inventory of premium Thermo King aftermarket parts, this essential component is ideal for engine overhaul or front crankshaft seal replacement on your Yanmar-powered Thermo King refrigeration units.
Multistar Parts Co., Ltd. is a professional supplier of transport refrigeration parts, specializing in Thermo King parts, Carrier Transicold parts, and Hwasung Thermo parts for the global aftermarket.
Multistar Parts Co., Ltd. – Your trusted partner for Thermo King, Carrier Transicold, and Hwasung Thermo parts.




