| Operating Temperature | -40°C to +120°C |
| Supply Ability | 30000 Pieces per Month |
| Payment Terms | T/T,L/C,Western Union |
| Delivery Time | 5-7 working days for stock, 20-30 days for bulk production |
| Material | Forged Alloy Steel |
| Brake Clearance Control | Constant Automatic |
| OE Reference | Multiple OE Numbers Available |
| Surface Treatment | Zinc Plated Anti-Corrosion |
| Packaging Details | Neutral color box with foam insert, export-grade corrugated master carton, 20 pcs per carton |
| Spline Count | 28 Tooth |
| Arm Length | 5.5 Inch / 140mm |
| Wear Compensation | Automatic Continuous |
| Application | Heavy Duty Truck and Trailer |
| Adjuster Type | Automatic Self-Adjusting |
| Brand Name | ECER |
| Place of Origin | Shandong, China |
| Model Number | ASA-28S |
| Certification | ISO 9001:2015, TS 16949 |
View Detail Information
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Product Specification
| Operating Temperature | -40°C to +120°C | Supply Ability | 30000 Pieces per Month |
| Payment Terms | T/T,L/C,Western Union | Delivery Time | 5-7 working days for stock, 20-30 days for bulk production |
| Material | Forged Alloy Steel | Brake Clearance Control | Constant Automatic |
| OE Reference | Multiple OE Numbers Available | Surface Treatment | Zinc Plated Anti-Corrosion |
| Packaging Details | Neutral color box with foam insert, export-grade corrugated master carton, 20 pcs per carton | Spline Count | 28 Tooth |
| Arm Length | 5.5 Inch / 140mm | Wear Compensation | Automatic Continuous |
| Application | Heavy Duty Truck and Trailer | Adjuster Type | Automatic Self-Adjusting |
| Brand Name | ECER | Place of Origin | Shandong, China |
| Model Number | ASA-28S | Certification | ISO 9001:2015, TS 16949 |
| High Light | Truck Slack Adjuster Automatic Brake Clearance ,Truck Slack Adjuster Auto Wear Compensation ,Automatic Slack Adjuster 8 Spline | ||
The ASA-28S Automatic Slack Adjuster is engineered for heavy-duty commercial trucks and trailers, delivering automatic constant brake clearance with built-in auto wear compensation technology. Unlike traditional manual slack adjusters that require frequent field adjustments, this self-adjusting unit maintains optimal brake performance throughout the entire lining wear cycle—no manual adjustment required.
| Spline Count | 28 Tooth |
| Arm Length | 5.5 Inch / 140mm |
| Material | Forged Alloy Steel |
| Adjuster Type | Automatic Self-Adjusting |
| Clearance Control | Constant Automatic |
| Wear Compensation | Automatic Continuous |
| Surface Treatment | Zinc Plated Anti-Corrosion |
| Temperature Range | -40°C to +120°C |
| Application | Heavy Duty Truck and Trailer |
| Certification | ISO 9001:2015, TS 16949 |
Manual slack adjusters require periodic physical adjustment by maintenance personnel—a process often overlooked or performed incorrectly in busy fleet operations. Automatic slack adjusters like the ASA-28S eliminate human error from the equation. The self-adjusting mechanism activates with every brake application, ensuring brakes remain in peak condition without any manual intervention. Benefits include:
OEM and custom branding available upon request. Contact us for bulk pricing and sample orders.
Company Details
Business Type:
Manufacturer
Year Established:
1996
Total Annual:
4000000-5000000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Wuhan Jingyi Xiangtai Trading Co., Ltd. | Company Profile Boasting 30 years of dedicated focus on the heavy-duty truck spare parts industry, Wuhan Jingyi Xiangtai Trading Co., Ltd. has evolved into a versatile integrated supplier specializing in in-house manufacturing, authorize... Wuhan Jingyi Xiangtai Trading Co., Ltd. | Company Profile Boasting 30 years of dedicated focus on the heavy-duty truck spare parts industry, Wuhan Jingyi Xiangtai Trading Co., Ltd. has evolved into a versatile integrated supplier specializing in in-house manufacturing, authorize...
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