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HOWO Combine Step Operate Assemby – HOWO A7 8X4

HOWO Combine Step Operate Assemby for HOWO A7 8X4

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.

cord bar6

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.

Bracket

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.

Shaft

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.

Brake step level 10

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.

step(2814822520941)

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.

Limit bracket 12

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.

Brake Main Valve(WABCO)26

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.

Double contract brake light switch

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.

Hexbolt

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.

Hex nut

Standard metric hex nuts are used with bolts to secure components of The part, providing reliable clamping force.

Spring washer

Spring washers are split‑ring lock washers that prevent fastener loosening due to vibration, essential for maintaining the integrity of The part.

Elastic component NG12

This rubber isolator reduces vibration transmission from the pedal assembly to the firewall, improving comfort and protecting components of The part.

Clamp spring NG12

A spring retainer that secures the elastic component, ensuring it remains in position within The part.

Nut base

A threaded base for mounting the elastic components, providing a stable anchor in The part.

Combinationbracket assembly drawing 85

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.

Combinationbracket

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.

Sealed tape(length 1000)

This self‑adhesive tape is used to seal the pedal box against dust and moisture, protecting The part from corrosion and contamination.

Rod assembly 88

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.

Brake step assembly 89

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.

Self lubricate sheath 90

A self‑lubricating bushing that reduces friction on the pivot points, ensuring smooth pedal movement and long life in The part.

Step rubbon cover 91

The rubber cover provides a non‑slip surface for the pedal, improving foot grip and driver comfort within The part.

Tappet 92

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.

Hex Thread rod with holed bolt

This special bolt has a drilled head for safety wiring, used to secure critical pivot points in The part.

Cotter

A split pin that locks the castle nut on the pivot shaft, preventing it from loosening due to vibration in The part.

1-shape Hex

A type 1 hex nut, standard metric, used for fastening in The part.

Rod 96

A cylindrical pin used as a pivot or connecting link in the pedal mechanism of The part.

Plug (2819602003691)

A sealing plug that closes unused ports or holes in the pedal box, preventing dust and moisture ingress in The part.

Hex flange face bolt

A flange bolt with an integrated washer, used to secure components without the need for a separate flat washer in The part.

Brake main Valve

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.

2 type full metal Hex locking nut

A prevailing‑torque lock nut made entirely of metal, used in high‑vibration areas of The part to ensure fasteners remain secure.

Clutchoperate part(common-rail)

This is the complete clutch actuation system for common‑rail engines, including the pedal, master cylinder, and hydraulic lines, integrated into The part.

Assembly diagram for clutch step

This diagram illustrates the clutch pedal assembly layout, serving as a reference for installation and service of The part.

Clutchstep assembly

The complete clutch pedal assembly, including the arm, pivot, and return mechanism. It is a key part of The part.

Clutchstep axle sleeve

A bushing that supports the clutch pedal shaft, reducing friction and ensuring smooth pedal operation in The part.

limit plate

A bracket that limits the travel of the clutch pedal, preventing over‑stroke and protecting the hydraulic system of The part.

Clutchstep arm

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.

Step rubbon cover 114

A rubber cover for the clutch pedal, providing a non‑slip surface and enhancing driver comfort in The part.

Rod assembly 120

A linkage rod that connects the clutch pedal to the master cylinder push‑rod, transmitting motion in The part.

Needle roller bearing without inner ring

A needle roller bearing that supports the pivot shaft with low friction, enhancing the durability and smoothness of the HOWO combine step operate assemby.

washer

A flat washer used for load distribution and spacing in the HOWO combine step operate assemby.

Cluthmain pump and oil storage tank assembly

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.

Cluthoil storage tank

The reservoir that holds brake fluid for the clutch hydraulic system, supplying the master cylinder as needed in the HOWO combine step operate assemby.

Spring base

A retainer for the return spring, ensuring it remains properly seated on the pedal assembly of the HOWO combine step operate assemby.

Flat washer

A standard flat washer used under bolts and nuts to distribute load and protect surfaces in the HOWO combine step operate assemby.

Return Spring

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.

Signal switch bracket

A mounting bracket for the clutch or brake switch, ensuring correct alignment and reliable actuation in the HOWO combine step operate assemby.

Clutchswitch

A switch that signals clutch pedal position to the ECU, used for cruise control and starting safety in the HOWO combine step operate assemby.

Sealed plug(interior decorate factory)

A sealing plug used to close unused holes in the firewall, preventing noise and dust ingress in the HOWO combine step operate assemby.

HOWO combine step operate assemby for HOWO A7 8X4

Product Parameters of HOWO combine step operate assemby

Part NO.Description
AZ9719360052cord bar6
AZ9719360053Bracket
AZ9719360056Brake step level 10
AZ9123360113step(2814822520941)
AZ9719360059Limit bracket 12
WG9000360520/1Double contract brake light switch
Q150B1020Hexbolt
Q340B10Hex nut
Q40310Spring washer
WG9000361007Elastic component NG12
WG9000361008Clamp spring NG12
WG9000361009Nut base
AZ9725361000Combinationbracket
AZ9719360099Sealed tape(length 1000)
AZ9719360051Rod assembly 88
AZ9719360055Brake step assembly 89
AZ9719360060Self lubricate sheath 90
AZ9123230226Step rubbon cover 91
AZ9719360063Tappet 92
Q173B0845Hex Thread rod with holed bolt
Q5002016Cotter
Q341B081-shape Hex
AZ9719360062Rod 96
AZ9123360067Plug (2819602003691)
Q1840616Hex flange face bolt
WG9000360520Brake main Valve
Q332082 type full metal Hex locking nut
AZ9725230010Clutchoperate part(common-rail)
AZ9719320230Assembly diagram for clutch step
AZ9719320225Clutchstep assembly
AZ9719230005Clutchstep axle sleeve
AZ9719230022limit plate
AZ9719230044Clutchstep arm
AZ9123230226Step rubbon cover 114
AZ9719230228Rod assembly 120
AZ9719230229Needle roller bearing without inner ring
WG9719230023Cluthmain pump and oil storage tank assembly
WG9719230014/1Cluthoil storage tank
AZ9719230231Spring base
Q40108Flat washer
AZ9719230232Return Spring
AZ9719230058Signal switch bracket
WG9718710005Clutchswitch
AZ9719230021Sealed plug(interior decorate factory)
WG9725716002double contract brake light switch

Why Choose Our HOWO combine step operate assemby?

Integrated Brake and Clutch Control

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.

Premium Components

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.

Complete Kit for Easy Installation

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.

Global Availability and Support

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 Importance of a Reliable Pedal Assembly

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.

Durability and Reliability

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.

Installation and Torque Recommendations

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.

Inspection and Replacement Schedule

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.

Compatibility with HOWO A7 8X4

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.

Quality Assurance and Warranty

Each HOWO combine step operate assemby component is tested for function and durability. We offer a comprehensive warranty against manufacturing defects.

Ordering and Bulk Availability

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.

Long‑Term Cost Efficiency

Investing in a genuine HOWO combine step operate assemby reduces maintenance frequency and ensures consistent pedal feel, lowering total cost of ownership.

Why Choose Genuine HOWO Parts

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.

Operational and Safety Benefits

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.

Performance Across All Conditions

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.

Safety Features and Reliability

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.

Advanced Connection and Adjustment Features

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.

Optimised Ergonomic Design

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.

Genuine HOWO combine step operate assemby for HOWO A7 8X4 • Complete with pedals, brackets, master cylinders, switches • OEM-quality, engineered for longevity

Online Catalog of SINOTRUK Parts

Learn More

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.

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