As a key component in our comprehensive inventory of Sinotruk spare parts, the ZF16S2530 Sliding Sleeve (Part No: 1297 304 516) is essential for the smooth operation of heavy-duty truck transmissions. This sliding sleeve acts as the critical engagement mechanism within the synchronizer assembly, ensuring seamless gear shifts under heavy loads.
Designed specifically for the ZF Ecosplit 16-speed gearbox (16S2530), which is widely installed in Sinotruk HOWO, HOWO A7, and SITRAK series trucks, this part guarantees OEM-level compatibility. For fleet managers and mechanics sourcing Sinotruk spare parts, choosing a high-precision sliding sleeve is vital to prevent gear grinding and transmission failure.
Technical Specifications
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Part Name: Sliding Sleeve / Synchronizer Operating Sleeve
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OEM Part Number: 1297 304 516 (1297.304.516)
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Gearbox Model Application: ZF 16S2530 / 16S2230 / 16S251
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Compatible Vehicles: Sinotruk HOWO Dump Trucks, Tractor Heads (371HP, 420HP)
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Material: 20CrMnTiH (Case-hardened Alloy Steel)
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Teeth Configuration: Precision hobbed internal splines for exact shaft engagement.
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Hardness: HRC 58-62 (Carburized surface for wear resistance)
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Surface Treatment: Phosphated (for corrosion resistance and initial lubrication run-in)
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Weight: 1.2 kg
Installation Notes for ZF16S2530 Sliding Sleeve
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Inspection: Before installing this Sinotruk spare part, inspect the corresponding synchronizer hub and shifting forks. Worn forks can cause the new sleeve to wear prematurely.
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Direction: Pay close attention to the installation orientation. Some sliding sleeves are directional; refer to the ZF maintenance manual.
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Lubrication: Pre-lubricate the sliding sleeve and the hub splines with clean transmission oil (typically 85W-90) during assembly to prevent dry friction on first startup.
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Clearance Check: Ensure the sliding sleeve moves freely across the hub without binding before closing the gearbox housing.
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