

The HOWO combine step operate assemby is a comprehensive pedal control system that integrates the brake and clutch actuation functions in the HOWO A7 8X4 cab. This HOWO combine step operate assemby includes the brake pedal,
clutch pedal, associated linkages, master cylinders, switches, and mounting hardware – all designed for precise and reliable control. Engineered for heavy‑duty use, this HOWO combine step operate assemby provides ergonomic operation, consistent pedal feel, and long‑term durability, enhancing driver comfort and vehicle safety.
At howo Parts, we supply the genuine HOWO combine step operate assemby that meets OEM standards. Our HOWO combine step operate assemby comprises the core bar, bracket, shaft, brake step level, step, limit bracket, brake main valve, double contact brake light switch, hex bolts, nuts, spring washers, elastic components, clamp springs,
nut bases, combination bracket, sealed tape, rod assembly, brake step assembly, self‑lubricating sheath, step rubber cover, tappet, hex threaded rod with holed bolt, cotter, hex thin nut, plug, hex flange face bolt, clutch operating part, clutch pedal assembly,
clutch pedal shaft sleeve, limit plate, clutch pedal arm, clutch master cylinder with reservoir, return spring, signal switch bracket, clutch switch, and sealed plug. Each component of this HOWO combine step operate assemby is precision‑manufactured for reliable operation and extended service life.
Proper pedal control is essential for safe driving, and The part ensures smooth and responsive brake and clutch actuation. Regular inspection and timely replacement of HOWO combine step operate assemby components will prevent sticking, wear, and loss of pedal feel. Trust our HOWO combine step operate assemby to keep your HOWO A7 8X4 operating with precision and confidence for millions of kilometres.
The cord bar6 is a rigid metal rod that acts as a pivot or actuation link within the pedal assembly. It transmits force from the pedal to the master cylinder or valve, ensuring smooth operation of The part.
Various brackets provide secure mounting points for the pedals, master cylinders, and switches within The part. These high‑strength steel brackets ensure stable and vibration‑free operation.
The shaft is a precision‑ground pivot pin that supports the brake or clutch pedal, allowing smooth rotation. It is a critical wear component of The part.
This component is a lever that multiplies the driver’s foot force, providing mechanical advantage for braking. It is a key part of The part, ensuring responsive brake application.
The step is the actual pedal pad that the driver presses. It features a rubber cover for grip and is ergonomically shaped for comfort. This part is used for both brake and clutch functions in The part.
The limit bracket restricts the travel of the pedal, preventing over‑stroke and protecting the master cylinder or valve from damage. It is a safety feature of The part.
This WABCO brake main valve is a high‑performance pneumatic control valve that modulates air pressure to the brake chambers based on pedal input. It is a core component of The part.
This switch activates the brake lights when the pedal is depressed. It has dual contacts for redundancy, ensuring reliable signal even if one circuit fails, enhancing safety in The part.
Hex bolts are used throughout The part to secure brackets, switches, and other components. Their high‑strength steel construction and corrosion‑resistant coating ensure long‑term reliability.
Standard metric hex nuts are used with bolts to secure components of The part, providing reliable clamping force.
Spring washers are split‑ring lock washers that prevent fastener loosening due to vibration, essential for maintaining the integrity of The part.
This rubber isolator reduces vibration transmission from the pedal assembly to the firewall, improving comfort and protecting components of The part.
A spring retainer that secures the elastic component, ensuring it remains in position within The part.
A threaded base for mounting the elastic components, providing a stable anchor in The part.
This is the assembly drawing for the combination bracket, which supports both the brake and clutch pedals. It is a reference for The part layout.
The combination bracket is a single integrated mounting structure that holds both the brake and clutch pedal assemblies, ensuring precise alignment and reducing complexity in The part.
This self‑adhesive tape is used to seal the pedal box against dust and moisture, protecting The part from corrosion and contamination.
The rod assembly is a linkage that connects the pedal to the master cylinder or valve, transmitting the driver’s input. It is a critical mechanical link in The part.
This is the complete brake pedal assembly, including the pedal arm, pivot shaft, and return spring. It is a major sub‑assembly of The part.
A self‑lubricating bushing that reduces friction on the pivot points, ensuring smooth pedal movement and long life in The part.
The rubber cover provides a non‑slip surface for the pedal, improving foot grip and driver comfort within The part.
The tappet is a push‑rod that transfers motion from the pedal to the master cylinder piston. It is a precision‑ground component of The part.
This special bolt has a drilled head for safety wiring, used to secure critical pivot points in The part.
A split pin that locks the castle nut on the pivot shaft, preventing it from loosening due to vibration in The part.
A type 1 hex nut, standard metric, used for fastening in The part.
A cylindrical pin used as a pivot or connecting link in the pedal mechanism of The part.
A sealing plug that closes unused ports or holes in the pedal box, preventing dust and moisture ingress in The part.
A flange bolt with an integrated washer, used to secure components without the need for a separate flat washer in The part.
The brake main valve is the primary pneumatic control unit that modulates air pressure to the brakes based on pedal travel. It is a critical component of The part.
A prevailing‑torque lock nut made entirely of metal, used in high‑vibration areas of The part to ensure fasteners remain secure.
This is the complete clutch actuation system for common‑rail engines, including the pedal, master cylinder, and hydraulic lines, integrated into The part.
This diagram illustrates the clutch pedal assembly layout, serving as a reference for installation and service of The part.
The complete clutch pedal assembly, including the arm, pivot, and return mechanism. It is a key part of The part.
A bushing that supports the clutch pedal shaft, reducing friction and ensuring smooth pedal operation in The part.
A bracket that limits the travel of the clutch pedal, preventing over‑stroke and protecting the hydraulic system of The part.
The lever arm that connects the pedal pad to the pivot shaft, multiplying the driver’s force. It is a fundamental part of The part.
A rubber cover for the clutch pedal, providing a non‑slip surface and enhancing driver comfort in The part.
A linkage rod that connects the clutch pedal to the master cylinder push‑rod, transmitting motion in The part.
A needle roller bearing that supports the pivot shaft with low friction, enhancing the durability and smoothness of the HOWO combine step operate assemby.
A flat washer used for load distribution and spacing in the HOWO combine step operate assemby.
The clutch master cylinder with integrated reservoir, providing hydraulic pressure for clutch actuation. It is a key component of the HOWO combine step operate assemby.
The reservoir that holds brake fluid for the clutch hydraulic system, supplying the master cylinder as needed in the HOWO combine step operate assemby.
A retainer for the return spring, ensuring it remains properly seated on the pedal assembly of the HOWO combine step operate assemby.
A standard flat washer used under bolts and nuts to distribute load and protect surfaces in the HOWO combine step operate assemby.
The return spring pulls the pedal back to its resting position after release, ensuring consistent pedal feel and safety in the HOWO combine step operate assemby.
A mounting bracket for the clutch or brake switch, ensuring correct alignment and reliable actuation in the HOWO combine step operate assemby.
A switch that signals clutch pedal position to the ECU, used for cruise control and starting safety in the HOWO combine step operate assemby.
A sealing plug used to close unused holes in the firewall, preventing noise and dust ingress in the HOWO combine step operate assemby.
| Part NO. | Description |
|---|---|
| AZ9719360052 | cord bar6 |
| AZ9719360053 | Bracket |
| AZ9719360056 | Brake step level 10 |
| AZ9123360113 | step(2814822520941) |
| AZ9719360059 | Limit bracket 12 |
| WG9000360520/1 | Double contract brake light switch |
| Q150B1020 | Hexbolt |
| Q340B10 | Hex nut |
| Q40310 | Spring washer |
| WG9000361007 | Elastic component NG12 |
| WG9000361008 | Clamp spring NG12 |
| WG9000361009 | Nut base |
| AZ9725361000 | Combinationbracket |
| AZ9719360099 | Sealed tape(length 1000) |
| AZ9719360051 | Rod assembly 88 |
| AZ9719360055 | Brake step assembly 89 |
| AZ9719360060 | Self lubricate sheath 90 |
| AZ9123230226 | Step rubbon cover 91 |
| AZ9719360063 | Tappet 92 |
| Q173B0845 | Hex Thread rod with holed bolt |
| Q5002016 | Cotter |
| Q341B08 | 1-shape Hex |
| AZ9719360062 | Rod 96 |
| AZ9123360067 | Plug (2819602003691) |
| Q1840616 | Hex flange face bolt |
| WG9000360520 | Brake main Valve |
| Q33208 | 2 type full metal Hex locking nut |
| AZ9725230010 | Clutchoperate part(common-rail) |
| AZ9719320230 | Assembly diagram for clutch step |
| AZ9719320225 | Clutchstep assembly |
| AZ9719230005 | Clutchstep axle sleeve |
| AZ9719230022 | limit plate |
| AZ9719230044 | Clutchstep arm |
| AZ9123230226 | Step rubbon cover 114 |
| AZ9719230228 | Rod assembly 120 |
| AZ9719230229 | Needle roller bearing without inner ring |
| WG9719230023 | Cluthmain pump and oil storage tank assembly |
| WG9719230014/1 | Cluthoil storage tank |
| AZ9719230231 | Spring base |
| Q40108 | Flat washer |
| AZ9719230232 | Return Spring |
| AZ9719230058 | Signal switch bracket |
| WG9718710005 | Clutchswitch |
| AZ9719230021 | Sealed plug(interior decorate factory) |
| WG9725716002 | double contract brake light switch |
Our HOWO combine step operate assemby combines both brake and clutch pedals into a single, well‑engineered unit, reducing complexity and ensuring consistent pedal feel across both functions. This integration enhances driver comfort and simplifies installation.
The HOWO combine step operate assemby uses high‑quality parts including a WABCO brake main valve, durable self‑lubricating bushes, and robust return springs, ensuring reliable and smooth operation over the long term.
Our HOWO combine step operate assemby is supplied as a comprehensive set, including all pedals, brackets, master cylinders, switches, and fasteners. This simplifies ordering and reduces installation time.
We maintain a large stock of HOWO combine step operate assemby parts for fast worldwide delivery. Our technical team provides expert guidance on installation and troubleshooting.
The HOWO combine step operate assemby is the driver’s primary interface for controlling both braking and clutch engagement. A worn or faulty assembly can lead to poor pedal feel, increased stopping distances, and unsafe clutch operation. Regular inspection and using genuine HOWO combine step operate assemby parts are essential for driver safety and vehicle performance.
The HOWO combine step operate assemby is built with corrosion‑resistant materials, high‑strength steel brackets, and wear‑resistant bushes to withstand the harsh cab environment. The self‑lubricating sheaths and heavy‑duty return springs ensure consistent pedal feel over millions of actuations.
When installing the HOWO combine step operate assemby, ensure all pivot points are lubricated and torque fasteners to the specified values. Use new cotter pins and lock nuts for safety. Proper adjustment of pedal free‑play is critical for correct master cylinder operation.
We recommend inspecting the HOWO combine step operate assemby every 50,000 km. Check for pedal wear, loose brackets, leaking master cylinders, and switch function. Replace any worn components immediately to maintain safe and responsive control.
Our HOWO combine step operate assemby is specifically designed for the HOWO A7 8X4 cab, matching the factory mounting points and pedal geometry. It is a direct replacement for the original equipment.
Each HOWO combine step operate assemby component is tested for function and durability. We offer a comprehensive warranty against manufacturing defects.
We keep a large stock of HOWO combine step operate assemby kits and individual parts for immediate dispatch. Bulk orders are available with volume discounts.
Investing in a genuine HOWO combine step operate assemby reduces maintenance frequency and ensures consistent pedal feel, lowering total cost of ownership.
Aftermarket pedal assemblies often use inferior materials, leading to premature wear and unsafe operation. Our HOWO combine step operate assemby is built to the same rigorous standards as the original, ensuring reliability and safety.
A well‑functioning HOWO combine step operate assemby provides precise and predictable brake and clutch response, enhancing driver control and reducing fatigue. Regular maintenance ensures that the pedals operate smoothly and safely throughout the vehicle’s life.
The HOWO combine step operate assemby delivers consistent performance in all weather conditions. The sealed tape and plug protect against moisture and dust, while the robust springs maintain correct pedal return even in extreme cold or heat.
The double‑contact brake light switch and clutch switch provide redundant signals, ensuring that brake lights and engine controls operate correctly. The self‑lubricating bushes and needle bearings reduce friction, improving pedal feel and longevity.
The HOWO combine step operate assemby includes adjustable tappets and rod assemblies, allowing fine‑tuning of pedal height and free‑play. This ensures optimal ergonomics and hydraulic system operation.
The pedal angles, arm lengths, and pivot points are engineered to reduce driver fatigue, providing a natural and comfortable foot position for long‑haul driving.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.