1594045, 3962939 - Switch differential lock
High-precision switch differential lock manufactured as a direct interchange for OEM numbers 1594045, 3962939. Engineered for heavy-duty commercial vehicle applications (Volvo Volvo Bus 9/11/12/13 (D/DH engine), Volvo Volvo Bus B 10/12 (TD/THD engine), Volvo Volvo F/FL 6 (-2000), F/FL/FM 7, FLC, Volvo Volvo F/FL/N/NL 10/12/16, Volvo Volvo FH/FM/FMX/NH 9/10/11/12/13/16), ensuring optimal operational performance and long service life.
Technical Description
What function does this part serve?
The Switch differential lock (Interchangeable OE: 1594045, 3962939) absorbs vibration, minimizes surface wear, and guarantees operational integrity across commercial heavy-duty systems.
System Compatibility
Precision-engineered to match OEM parameters for Volvo Volvo Bus 9/11/12/13 (D/DH engine), Volvo Volvo Bus B 10/12 (TD/THD engine), Volvo Volvo F/FL 6 (-2000), F/FL/FM 7, FLC, Volvo Volvo F/FL/N/NL 10/12/16, Volvo Volvo FH/FM/FMX/NH 9/10/11/12/13/16 fleets, providing drop-in fitment without requiring mechanical adjustments.
Assembly & Maintenance Guidelines
Ensure mounting surfaces are free of debris prior to installation. Tighten all fasteners according to original vehicle manufacturer torque specifications.
OE Interchangeability
Designed as an exact cross-reference replacement for OEM codes including 1594045, 3962939. Reference item catalog ID: KT07624.
Compatible Cross Reference OEM Numbers
Total Brands: 1Compatible Vehicle Applications
This OEM replacement part is suitable for the following commercial vehicle platforms & models:
Frequently Asked Questions
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Spring Saddle Shaft’s Ring
OEM: 81907100057
VOLVO Intake Valve
OEM: 3978768, 477447
Glow plug
OEM: 6 0651 7002, 6061 7002, 7173 5465, N 105 792 01, N 105 792 02, 4607 2003F, 4863 826, 4863 826AA, 77 00 100 558, 86 71 012 306
Overflow valve
OEM: 4421800015
Oil filter
OEM: 1526710, 1532479, 1537110, 1629393, 1643070, 1948921, 1948921G, 1643070, 6761256101, 7424993649
Diaphragm kit
OEM: 5410180133, 5410180233
Main bearing kit
OEM: 681175, 683200, 117314, 643067
Drag link
OEM: 6204600105, 6204602105, 6204603805, 6204603905
Seal ring
OEM: 7400944252, 944252
Air filter
OEM: Y05770312, 503135272, 5001020327, 7411394, EL3462, FA1566, 5001010800, 5010064119, 5010064371, 5010094094
