

The Sinotruk Howo Rear Brake is a comprehensive, heavy-duty braking system engineered to deliver reliable and consistent stopping power for Sinotruk Howo trucks. It comprises all necessary components for the rear wheel braking assembly, ensuring safety and control under heavy loads. For optimal braking performance and vehicle safety, always use genuine Sinotruk Howo parts for maintenance and replacement.
The Sinotruk Howo Rear Brake is a complete, drum-type brake assembly designed for the rear axles of Sinotruk Howo heavy-duty trucks. It is a critical safety system that converts the vehicle’s kinetic energy into heat through friction, allowing the driver to control speed and bring the vehicle to a safe stop. This assembly is engineered to handle the immense thermal and mechanical stresses generated by braking a fully laden commercial vehicle.
This system primarily consists of a robust brake drum, brake shoes with high-friction linings, a camshaft actuation mechanism, return springs, and various mounting hardware. When the brake pedal is pressed, air pressure (in air brake systems) forces the S-cam to rotate, which pushes the brake shoes outward against the inner surface of the rotating brake drum, creating the necessary friction to slow the wheel.
The design includes features for durability and serviceability, such as adjustable camshafts, wear-indicating components, and provisions for optional automatic slack adjusters. The assembly is also compatible with ABS (Anti-lock Braking System) sensors, with dedicated brackets and bellows to protect the sensor, enhancing braking control and preventing wheel lock-up.
Built to withstand harsh operating conditions, the Sinotruk Howo Rear Brake uses high-grade materials for components like the heat-treated brake drum, forged camshafts, and resilient springs. Its reliability is paramount for fleet safety, directly impacting stopping distance, vehicle stability, and overall operational security in all driving scenarios.
Brake Assembly & Components
| No | Number of part | Designation |
|---|---|---|
| 1 | AZ9107346010 | ABS sensor bellows |
| 2 | Q21880835 | Screw |
| 3 | AZ9107346006 | ABS sensor bracket |
| 4 | 122902942 | Circlip |
| 5 | 122903117 | Washer |
| 6 | 12291330 | Washer |
| 7 | AZ9111340040 | Rod adjusting device |
| 8 | WG9111340045 | Self rod adjusting device |
| 9 | AZ9111340025 | Support |
| 10 | Q23208 | Nut |
| 11 | 122918000 | Washer |
| 12 | A 1205V1556 | Oil seal |
| 13 | WG123512108 | Bush |
| 14 | A 323682124 | Brake cover |
| 15 | A 323620123 | Brake cover |
| 16 | AZ9761340106 | Brake shoe C |
| 17 | AZ9761340105 | Shoe |
| 18 | AZ9761340105 | Brake lining |
| 19 | AZ9761340105 | Brake lining |
| 20 | 5-60730 | Brake spacer |
| 21 | WG9761340108 | Rivet |
| 22 | 12598274 | Bolt |
| 23 | 1058210 | Support |
| 24 | 1779818 | Boling |
| 25 | 22581803 | Spring |
| 26 | Q15081028 | Screw |
| 27 | AZ9118340012 | Spacer |
| 28 | 225811230 | Spring |
| 29 | Q15081235 | Screw |
| 30 | AZ9761345541 | Bracket left |
| 31 | AZ9761345542 | Bracket right |
| 32 | AZ9761345555 | Bracket left |
| 33 | AZ9761345556 | Bracket right |
| 34 | AZ9761345543 | Bracket left |
| 35 | AZ9761345544 | Bracket right |
| 36 | 12056701 | Bridge |
| 37 | 3211W6003 | Brake anchor left |
| 38 | 3211W6004 | Brake anchor right |
| 24 | 1229G4089 | Washer |
| 25 | AZ9761348144 | Brake camshaft left |
| 26 | Q151B1653TF2 | Screw |
| 27 | AZ9111340017 | Spacer |
| 28 | WG9112340114 | Oil seal |
| 29 | WG9112340113 | Oil seal |
| 30 | 190003326067 | Bevel roller bearing |
| 31 | WG9107340002 | Wheel stud |
| 32 | AZ9118340066 | Brake drum |
| 33 | Q150B0816 | Screw |
| 34 | Q40308 | Washer |
| 35 | AZ9761340021 | Cover |
| 36 | AZ9761340082 | Rear wheel hub |
| 37 | WG9112340008 | Gearing |
| 38 | WG9003884100 | Wheel nut |
| 39 | Q2541025 | Screw |
| 40 | 12186385 | Pin |
| 41 | WG1225L1208 | >Bush |
| 42 | 32217 | Bevel roller bearing |
| 43 | 1227N1184 | Inter adjusting nut |
| 44 | 1229M3003 | Locking sheet |
| 45 | AZ9107334673 | Locking sheet |
| 46 | 1227P1186 | Outer adjusting nut |
| 47 | WG9107340003 | Stud |
| 48 | AZ9761341020 | Drive shaft left |
| 49 | AZ9761341010 | Drive shaft right |
| 50 | 1246V1166 | Bevel sleeve |
| 51 | 1229X518 | Locking sheet |
| 52 | 190003888627 | Locking nut |
Our Sinotruk Howo Rear Brake kit includes every component needed for a full brake service, from the brake drum and shoes to camshafts, bearings, and hardware. Each part meets original equipment specifications, ensuring perfect fitment, balanced braking force, and restoration of factory-level safety and performance without compatibility concerns.
We use high-friction, durable lining material on brake shoes and cast iron brake drums with excellent heat dissipation properties. Components like camshafts and anchors are forged for strength, while springs and seals are made from high-temperate resistant materials. This ensures consistent braking performance, fade resistance, and a long service life under heavy use.
The assembly is designed for easy maintenance, with provisions for manual or automatic slack adjusters to maintain optimal shoe-to-drum clearance. It includes all necessary brackets for ABS sensor mounting, enhancing braking control. The kit also offers specific brackets for single, first, or second rear axle applications, ensuring correct fit for your specific Sinotruk Howo model.
Investing in a complete, high-quality rear brake assembly minimizes downtime by reducing the risk of premature part failure. Consistent, reliable braking improves overall fleet safety and reduces the risk of accidents. Furthermore, durable components extend service intervals, leading to lower long-term maintenance costs and improved vehicle availability.
If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.