What are the main specifications of the adjuster?

It features 28 spline teeth, a 14 bushing, and a 160mm hole center.

Where is the product manufactured?

The product originates from China.

What are the available shipping terms?

We offer EXW, CFR, FOB, and CIF international commercial terms.

1 Hole 28 Teeth Automatic Slack Adjuster with OEM Standard 79304/79305

Name: 1 Hole 28 Teeth Automatic Slack Adjuster with OEM Standard 79304/79305
Brand: Zibo Jizhou Trading Co., Ltd.
SKU: 738169972

Shandong, ChinaZibo Jizhou Trading Co., Ltd.

US$15.99-19.99

100 Sets

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Type

Brake System

Material

Steel

Model NO.

ZBJZ-1

Position

Rear

Certification

ISO9001, DOT, ECE

Classification

Drum

Drum Brakes Classification

Brake Drum

Main Market

South America, North America, Eastern Europe, Mild East, Southeast Asia, Africa, Western Europe, Eastern Asia, Northern Europe, Oceania, Southern Europe, Central America, South Asia, Domestic Market

Grade

Heavy Duty

Self-Dumping

Not Self-Dumping

ABS Anti-Lock Braking System

No ABS Anti-Lock Braking System

Condition

New

Load Capacity

Trailer Spare Parts Slack Adjuster

Independent Suspension Type

Trailer Spare Parts Slack Adjuster

Tire Number

Transport Package

Standard Plywood Carton

Specification

28ton

Trademark

ZBJZ

Origin

Shandong China

HS Code

8708309500

Production Capacity

10000 Set/Sets / Month

Key features

OEM Standard Compatibility: Matches OEM standards 79304/79305 for seamless integration.

Heavy Duty Grade: Constructed from steel with heavy-duty grade classification.

Global Market Coverage: Serves major markets including North America, Europe, and Asia.

ISO9001 Certified: Meets ISO9001, DOT, and ECE certification standards.

Rapid Lead Time: Average lead time within 15 workdays for both peak and off-season.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small payments.

OEM/ODM Service: Full OEM and ODM services available with sample customization.

Low MOQ: Minimum Order Quantity is 1 unit for flexible purchasing.

Company profile

High Repeat Buyers ChoiceFast DeliveryImporters and Exporters

Zibo Jizhou Trading Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is a small limited company and trade company focused on auto parts, with nine employees and a 76.0 m² manufacturing plant. Its product scope includes trailer axles, leaf springs, slack adjusters, landing gears/jacks, brake components, suspension assemblies, and fifth wheels. It reports OEM service for well-known brands, ODM availability, sample-based customization, and 90% export sales. Production information lists annual capacities for several products, but quality-control test equipment is recorded as zero and raw-material traceability is unknown. No new products were launched in the past year, and the supplier lacks overseas showrooms, agents or branches, and offline trade-show participation. Written procedures and records exist for supplier-service assessment, corrective/preventive actions, and customer complaints. Certification holdings, customer cases, and detailed financial performance are not sufficiently evidenced.

After-Sales capabilityThe supplier has a clear procedure and followed records for handling customer complaints, which supports an established complaint-response process. However, it reports no overseas showroom, overseas agent or branch, or offline trade-show participation, and serves zero stated overseas service countries; the broader after-sales service network is therefore limited or not demonstrated.

R&D capabilityThe supplier reports no new products in the past year, no SDK availability, and no status as a professional technical supplier. It has one R&D engineer assigned to new-product design and product improvement, and offers ODM services, but the evidence does not establish strong recent innovation output.

Production capacityAnnual productivity is stated for multiple products, including axles, brake shoes, brake pads, brake chambers, and slack adjusters, and the supplier lists a manufacturing plant. However, quality-control test equipment is recorded as zero, while quality assurance and traceability statuses are unknown, so production scale is evidenced but production-control capability is a material concern.

Customization capabilityThe supplier explicitly provides customization from samples and offers ODM services. It also reports OEM capability for well-known brands, directly supporting the ability to produce customized or customer-specified products.