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WG9925160712 Pull-Type Clutch Pressure Plate Assembly For SINOTRUK HOWO

WG9925160712 Pull-Type Clutch Pressure Plate Assembly For SINOTRUK HOWO

1. Part Number: WG9925160712
2. Component Type: Clutch Pressure Plate Assembly
3. Operating Design: Pull-Type Diaphragm Spring Clutch
4. Size: 430mm
5. Application: Sinotruk HOWO Heavy Duty Trucks
6. System: Transmission / Clutch System
7. Condition: 100% New genuine/OEM/ODM/ready stock
8. Shipping Time: Worldwide delivery within 3–5 business days
9. Payment Methods: T/T, PayPal, Western Union

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Product Introduction

The WG9925160712 is identified for this listing as a pull-type clutch pressure plate assembly for SINOTRUK HOWO truck clutch systems. The pressure plate assembly works with the clutch driven plate to engage and disengage engine power transmission through the clutch.

For the corresponding clutch set, WG9921161100 is the 430 mm clutch driven plate. The pressure plate assembly and driven plate perform different functions and are matched components, not interchangeable replacements for one another.

Technical Data

Item	Specification
Part Number	WG9925160712
Product Name	Clutch Pressure Plate Assembly
Clutch Type	Pull-Type
Vehicle Brand	SINOTRUK HOWO
Matching Driven Plate	WG9921161100
Driven Plate Diameter	430 mm
Product System	Clutch / Transmission

Cross Reference Part Numbers

Component	Part Number	Description
Clutch Pressure Plate Assembly	WG9925160712	Pull-type pressure plate assembly
Clutch Driven Plate	WG9921161100	430 mm clutch disc
Clutch Set	WG9925160712 + WG9921161100	Matched pressure plate and driven plate

Clutch System Function

The pressure plate assembly clamps the driven plate against the flywheel to transmit engine torque when the clutch is engaged. When the clutch is disengaged, the release mechanism allows the clamping force to be relieved so the transmission can be shifted.

A pull-type clutch uses a release mechanism that pulls the diaphragm spring to disengage the clutch. Its pressure plate and release mechanism must match the intended clutch configuration; a visually similar push-type assembly should not be treated as a direct substitute.

Matching the Pressure Plate with the Driven Plate

WG9925160712 and WG9921161100 are intended as separate components of the matching clutch set described here. The 430 mm specification belongs to the WG9921161100 driven plate and should not be used as an independent dimensional specification for the pressure plate assembly.

When servicing the clutch, inspect the pressure plate contact surface, driven plate friction material, flywheel surface and release mechanism together. Wear or damage in one component can affect clutch engagement even when the other component appears serviceable.

Replacement & Fault Diagnosis

Clutch slipping, judder during engagement, abnormal release feel or difficulty shifting can arise from different clutch-system faults. Possible causes include worn friction surfaces, pressure plate problems, flywheel condition or faults in the release mechanism.

During replacement, check the clutch release bearing and related release components, inspect the flywheel surface, and follow the applicable vehicle service procedure for installation and adjustment. Replacing the driven plate alone will not correct a damaged pressure plate assembly, and replacing the pressure plate alone will not resolve every friction-disc or release-system fault.

Frequently Asked Questions (FAQ)

Q: What is the difference between WG9925160712 and WG9921161100?

A: WG9925160712 is the pressure plate assembly, while WG9921161100 is the 430 mm clutch driven plate. They have different functions and cannot be used as direct substitutes for each other.

Q: Can WG9921161100 be replaced by the pressure plate assembly?

A: No. The driven plate and pressure plate assembly are different clutch components. The driven plate provides the friction interface and splined connection; the pressure plate applies clamping force.

Q: What does pull-type clutch mean?

A: In a pull-type clutch, the release mechanism pulls the diaphragm spring to disengage the clutch. The pressure plate and release bearing arrangement must be suitable for this design.

Q: What should be inspected when replacing the pressure plate?

A: Inspect the driven plate, flywheel contact surface, release bearing and release mechanism. Check for uneven wear, heat damage, cracks or other visible damage, and follow the vehicle's service instructions.

Q: What can cause clutch judder or slipping after replacement?

A: Potential causes include contaminated or uneven friction surfaces, flywheel irregularities, incorrect installation, pressure plate problems or faults in the release mechanism. The complete clutch system should be inspected rather than assuming one component is responsible.