Description

Overview

Door Latch Thermo King SL SMX secures the access door on matched Thermo King refrigeration unit applications. When the latch wears, sticks or loses holding force, the door can close poorly and service access becomes less reliable, so replacing the latch helps restore secure closure and cleaner operation around the unit front panel. This part suits fleets and workshops servicing SL and SMX families where the fitted latch follows the same mounting position and latch style.

Features

• Fits matched Thermo King SL and SMX door latch applications
• Aftermarket version under the ICS sellable SKU
• Helps restore secure door closing and more consistent latch operation
• Supports older service records that still use multiple Thermo King latch reference numbers

Specifications and Materials

This aftermarket version gives you a replacement door latch for matched Thermo King applications. Part number: TK-91-4368-AM.

Use the Thermo King manuals library for unit identification and service literature

Compatibility and Fitment

Check the fitted latch location before ordering, because related door hardware can vary across unit families and door positions. Door Latch Thermo King SL SMX suits matched SMX units and SL family applications including SL Multi-Temp, SL 100, SL 200, SL 300, SL 400, SL 100e, SL 200e, SL 400e and Spectrum where the installed latch matches the original part style. This cross-reference listing means this part is a suitable replacement for the part numbers and applications shown. Some changes in installation may be required. 91-4368, 914368, 914-368, 91-4139, 914139, 914-139, 99-9974, 999974, 999-974, 99-9973, 999973, 999-973, 91-2704, 912704, 912-704, 91-3181, 913181, 913-181

Compliance and Safety

Inspect the surrounding door hardware, hinges and mounting points before fitting the new latch, then confirm the door closes fully and latches cleanly after installation. If the old latch shows impact damage or abnormal wear, inspect the striker and door alignment as well so the replacement does not carry uneven load.

Trailer Applications

Door Latch Thermo King SL SMX suits transport refrigeration service work where front access door hardware has worn, loosened or stopped engaging correctly. It also helps workshops handling mixed Thermo King fleets, because older packing labels and service notes often carry different latch references for the same general door hardware group. That makes it useful for SL, Spectrum and SMX maintenance where secure access door closure matters during routine servicing and repair work.

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 lists Thermo King service parts against real unit families and older reference trails, which helps workshop buyers sort door hardware more quickly during repairs. Browse more Thermo King parts at ICS Trailers