51981820025 - Extension tube
High-precision extension tube manufactured as a direct interchange for OEM numbers 51981820025. Engineered for heavy-duty commercial vehicle applications (MAN MAN TGA 18.310, 18.320 FAC, FHLC, MAN MAN TGA 18.310, 18.320 FAK, FAK-L, FALK, FALK-L, FHLK, FHLK/M, MAN MAN TGA 18.310, 18.320 FAS, FALS, FHLS, FHLS/M, MAN MAN TGA 18.310, 18.320 FC, FLC, FLLC, FLLC/N, FLLW, FLLW/N, MAN MAN TGA 18.310, 18.320 FK, FK-), ensuring optimal operational performance and long service life.
Technical Description
What function does this part serve?
The Extension tube (Interchangeable OE: 51981820025) absorbs vibration, minimizes surface wear, and guarantees operational integrity across commercial heavy-duty systems.
System Compatibility
Precision-engineered to match OEM parameters for MAN MAN TGA 18.310, 18.320 FAC, FHLC, MAN MAN TGA 18.310, 18.320 FAK, FAK-L, FALK, FALK-L, FHLK, FHLK/M, MAN MAN TGA 18.310, 18.320 FAS, FALS, FHLS, FHLS/M, MAN MAN TGA 18.310, 18.320 FC, FLC, FLLC, FLLC/N, FLLW, FLLW/N, MAN MAN TGA 18.310, 18.320 FK, FK- 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 51981820025. Reference item catalog ID: KT08515.
Compatible Cross Reference OEM Numbers
Total Brands: 1MAN
Compatible Vehicle Applications
This OEM replacement part is suitable for the following commercial vehicle platforms & models:
Frequently Asked Questions
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Front Shackle Plate
OEM: -
Gasket
OEM: 471650
Pressure switch
OEM: 81274210204
Gasket exhaust manifold
OEM: 98436181
Valve cover gasket upper
OEM: 1779110
Drag link
OEM: 42001325, 42001326, 42086458
Rotation sensor fan clutch
OEM: 51066307015, 51066307022
Tension roller
OEM: 1449133, 1397430, 1442153, 1449132, 1449133, 1455870, 1677540, 1685047, 1736724, 1783407
Seal ring
OEM: 7401547254, 1547254
Charge air hose
OEM: 5010315483
