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This product is a manual slack adjuster with the model number 0517465220. Designed specifically for trailer brake systems, this slack adjuster features a configuration of 6 holes and 10 teeth. It is manufactured from high-quality forged steel, ensuring durability and reliable performance under demanding conditions. Certified with ISO/TS16949 and ISO13485, this component meets international quality and safety standards.

The slack adjuster is suitable for front axle applications and is compatible with a variety of vehicle types, including BPW, Daf, and Mercedes trailers. It serves as a critical brake part, specifically within drum brake systems, helping to automatically maintain the correct brake clearance. As an essential spare part, this manual slack adjuster ensures optimal braking performance and safety.

This slack adjuster is available under multiple OEM reference numbers such as Kn49010, Kn49000, Kn50010, and Kn50000. With a weight of 2.3kg and a minimum order quantity of 100 pieces, it is packaged securely in cartons for safe transportation. The product is produced in China and has a yearly production capacity of 50,000 units to meet large-scale demand.

The global main markets for this slack adjuster include North America, South America, Eastern and Western Europe, Asia, Africa, the Middle East, and Oceania. Each unit undergoes rigorous quality testing to ensure it performs as intended. Whether used in original equipment or as a replacement part, this manual slack adjuster is a reliable and vital component for maintaining trailer brake systems worldwide.

CROSS REF.

E-9102                                KN55001
283411       E-1574            KN44041
278010       E-1063HD      KN47081
278321       E-940              KN47011
278302       E-4904            KN48031
278303       E-939              KN48001
286965                                KN44051
287899       E-2459HD      KN44061
278305       E-539              KN48002
288282       E-2458            KN44071
KN44042

Why Choose Our Manual Slack Adjuster (0517465220)?

When it comes to the safety and performance of your trailer’s braking system, never compromise. Our Manual Slack Adjuster (OEM: 0517465220) is engineered for reliability and longevity. Here’s why global distributors and trailer manufacturers trust us:

1. Precision Engineering & Superior Quality: Forged from high-grade steel, our slack adjuster is built to withstand extreme stress, corrosion, and wear, ensuring consistent performance and a long service life.

2. Rigorous Quality Assurance: Every single unit is 100% tested before shipment. We are certified with ISO/TS 16949, the international quality standard for the automotive industry, guaranteeing that our processes and products meet the highest levels of excellence.

3. Perfect Fit & Broad Compatibility: With OEM numbers like KN49010, KN49000, KN50010, and KN50000, our adjuster is designed to be a direct replacement for major brands like BPW, DAF, and Mercedes, ensuring a perfect fit and seamless operation.

4. Global Supply Capacity: With an annual production capacity of 50,000 pieces and a well-established supply chain, we can reliably meet the demands of large orders and ensure timely delivery to markets worldwide, from North America to Europe and beyond.

5. Competitive Value: By optimizing our manufacturing process, we offer a premium-quality slack adjuster that provides exceptional value, helping you maintain profitability without sacrificing safety or performance.

Installation Tips for Manual Slack Adjuster

Proper installation is critical for the safe and effective operation of your brake system. Follow these essential tips when installing the 0517465220 slack adjuster:

1. Safety First: Always chock the wheels and depressurize the air system before beginning any work on the brake system.

2. Clean and Inspect: Thoroughly clean the splined shaft of the brake cam. Any dirt, grease, or corrosion can prevent the slack adjuster from seating properly and lead to incorrect adjustment.

3. Correct Positioning: The internal splines of the slack adjuster must mesh perfectly with the brake camshaft. The adjusting arm should be positioned so that it is roughly perpendicular to the pushrod when the brakes are fully applied.

4. Secure the Clevis Pin: Ensure the clevis pin and cotter pin are correctly installed and secured. A loose connection here can lead to brake failure.

5. Initial Adjustment: After installation, manually adjust the slack adjuster to take up the slack until the brake shoes make firm contact with the drum. Then, back it off slightly (as per the manufacturer’s specification, usually 1/4 to 1/2 turn) to allow for proper clearance.

6. Final Check: Once installed, perform a thorough visual inspection. Check that all nuts and pins are secure. Test the brake operation systematically before putting the trailer back into service.

Note: This is a general guide. Always refer to the specific vehicle manufacturer’s service manual for detailed procedures and torque specifications.

Quality Assurance

Every Brake adjuster undergoes:
✔ Dimensional accuracy testing
✔ Material quality verification
✔ Operational performance checks
✔ Packaging integrity inspection

Global Shipping & Logistics

We ship worldwide with:

• Air freight options (3-5 days)

• Ocean freight for large orders

• Door-to-door delivery services

• Customs clearance assistance

Customer Support

Our technical team provides:

• Installation guidance

• Compatibility verification

• Warranty support

• Emergency order processing

SL Auto Parts

SL Auto Parts is a company specializing in the production and wholesale of auto parts for various brands, including Isuzu, Toyota, Nissan, Mitsubishi, Mazda, Jiangling, JAC, Volvo, Renault, Suzuki, Eaton, Scania, Hyundai, Honda, Hino, Kia, Foton, GM, Agriculture, China truck and bus, tractor, Mercedes, Iveco, and more.

Founded in 2010 and located in Zhejiang, China, SL Auto Parts (also known as Yiwu Shulian) initially focused on Japanese truck parts such as Isuzu. Over the years, the company has expanded its product range to meet the growing demands of the global automotive market.

With a professional and enthusiastic team, SL Auto Parts adheres to a pragmatic and rigorous business approach, ensuring high-quality products and reliable service. The company is committed to building a strong brand reputation and has been steadily increasing its presence in both domestic and international markets.

SL Auto Parts takes pride in its extensive product lineup, catering to a wide range of vehicle systems. By maintaining strict quality control and continuously innovating, the company has earned the trust of customers worldwide.

With a vision for growth, SL Auto Parts aims to further expand its global reach, supplying top-tier auto parts to clients across different regions while upholding its core values of integrity, excellence, and customer satisfaction.

1. Good Quality

Our products are under ISO/TS 16949 quality system certificate.

Good raw material and advanced technology ensure high quality.

2. Good Price

Direct factory competitive price can be offered.

Small orders can be acceptable.

3. Good Service

SL Auto Parts tries to 100% satisfy customer. Customer requirement is the top priority.

Provide prompt respond to customers’ demands within one day.

Make the replacement for free if any quality problem happens within warranty period.

4. Good Delivery

Ensure on time delivery.

Various types and different car models can be satisfied.

FAQ of This Slack Adjuster

Q: Are you trading company or factory?
A: We are the manufacturer.

Q: What’s the MOQ for each item?
A: Usually the MOQ is 100pcs for each type. If color box is requested, the MOQ is 200pcs.

Q: What about the delivery time?
A: It’s about 1 to 5 days for the goods have in stock, 15 to 30 days for the goods need to be manufactured based on your order.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance.

Q: What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q: What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.

Q: Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Final Call to Action (CTA)

📞 Contact us now for bulk orders (MOQ 50 PCS) and competitive pricing!
🌍 Ships globally – Serving North America, Europe, Africa, Asia, and more.
🛠️ OEM & Custom Solutions Available – Tailored to your requirements.
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This Slack Adjuster isn’t just a part—it’s a critical safety upgrade for any heavy-duty braking system. Get yours today!