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High-Performance Replacement Shift Fork for Sinotruk HOWO Trucks – Part No. WG2214220040
Engineered for durability under extreme operating conditions, this transmission shift fork is a direct-fit replacement for Sinotruk OEM part number WG2214220040, used in HOWO manual transmissions across heavy-duty commercial fleets. Designed to ensure precise and reliable gear engagement, it minimizes driver effort and prevents accidental disengagement during uphill climbs or rough terrain driving.
This fork fits major HOWO models including ZZ1257N3817C, ZZ4257M3217C, HOHV AC5, and TC series, particularly those equipped with HW19710 and HW19712 manual transmissions. Whether you’re maintaining a single truck or supplying spare parts to repair workshops in Nigeria, Pakistan, UAE, or Indonesia, this durable component offers OEM-level quality at a competitive aftermarket price.
Surface Finish: Anti-Corrosion Black Oxide Coating
Weight: 1.33 kg
Dimensions: 214 × 85 × 47 mm
Transmission Models: HW19710, HW19712
Compatible Trucks: Sinotruk HOWO ZZ1257, ZZ4257, AC5, TC Series
Packaging: 1 pc per industrial carton with foam protection
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How to Install the Sinotruk HOWO Shift Fork (WG2214220040) – Technician’s Guide
Preparation: Park the vehicle on level ground, disconnect the battery, drain transmission oil, and safely remove the gearbox. Keep your workspace clean to prevent debris from entering the housing.
Access Selector Rail: Remove the side cover of the transmission and locate the selector rail for the 3rd/4th gear assembly. Identify the retaining bolt or pin securing the old fork.
Remove Worn Fork: Loosen the mounting hardware and slide off the damaged unit. Inspect for bending, groove wear, or cracks — common signs after prolonged high-torque use.
Install New Fork (WG2214220040): Slide the new forged steel fork onto the selector rod. Ensure full engagement with the synchronizer sleeve; there should be no lateral play or binding.
Torque Specification: Reinstall fastener and tighten to 20–22 Nm. Do not over-tighten — risk of thread damage is high, especially on aluminum housings.
Test Before Final Assembly: Manually move the rail back and forth. Movement must be smooth and consistent. Any resistance indicates misalignment.
Rebuild & Refill: Reinstall transmission, reconnect linkages, and refill with GL-5 80W-90 gear oil. Test shift quality at idle before full operation.
